From patchwork Thu Mar 4 08:56:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7425C4332D for ; Thu, 4 Mar 2021 08:58:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA7EA64F20 for ; Thu, 4 Mar 2021 08:58:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236927AbhCDI6F (ORCPT ); Thu, 4 Mar 2021 03:58:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236964AbhCDI55 (ORCPT ); Thu, 4 Mar 2021 03:57:57 -0500 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2721C061756; Thu, 4 Mar 2021 00:57:16 -0800 (PST) Received: by mail-wm1-x32d.google.com with SMTP id l22so7307955wme.1; Thu, 04 Mar 2021 00:57:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=d7UnnrDiJMeQb765OaBCGK57AwvN6Ffv496e4UsVM3I=; b=SyTegDWk2XFqAnfo/nf/qo21Oy78nMjrUs2fVmwE/D6juqCLW1gginOD7dDk1JEKfO 064nksyoUcj2kUqkID2yzx5yYEaaLYenhn8gQtlJEV7c14pC48h654wjFiHAucinayYo EDCoxy8ACr2eMwcj+13nWam9Oy0DwN3SZinbqv5vwZJXLSSV67fWo9QflNwlvT+JGNay JWJ5lpuMJIDpBiwWUlmQCLihics1HARTiHoCDqMPAXyxuSDE4kjYoHMcrfW/WnkX2Hu5 PmcmYqkSZ+EvDGnl2k3Epu5CIeViZDLqWciXH59RU6DERuaE0ixNsMNPtUygbigZ3LDU obzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=d7UnnrDiJMeQb765OaBCGK57AwvN6Ffv496e4UsVM3I=; b=HLTE9DWflS90BDXJrRvqDhec+WZ+10hmm/fmPbsN4CCBHM3kpfhv4QvoFI71tiPGTd EfvlT763JLJ/zEV1axdODiaIO8IDIOdfsnoAfNpAMV0uxqjlepItpQao8HPW0OGxulKb z99ygHCEDioE0cic9/M5PLpqJCEX/RR51d5hASBqurQ5jFoiy6IoNjQKNQasu12gAkmX EqBoHa6Di0tiMpW4w1BVCt+ZQwhrT+jfB/fxF3TlY6go8AMtkGXu6UFqyNQxKbJOrM4H zNqF14Ftnp6rJSFHAQ+VgV4P2U021xQ1T0LZI2NLN2LpJkhG+2pUwrhRBNk0P8j4xwoB KfVw== X-Gm-Message-State: AOAM5334jNaodbDYLy0Q0SGS9ZQtZL+w1OPYrdFZm0hF1cDyuPrzz8Vi ZYCLBD1+RwOowAzBXzSGFWU= X-Google-Smtp-Source: ABdhPJzvf34zwhcnUR2uuC2kuV0GnaTj5yTgXrLd9BKA4UAe9q6XkLF8/nJpleTo9fEuHmFrQ2dquA== X-Received: by 2002:a05:600c:4305:: with SMTP id p5mr2348689wme.58.1614848235418; Thu, 04 Mar 2021 00:57:15 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:15 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 01/15] gpio: guard gpiochip_irqchip_add_domain() with GPIOLIB_IRQCHIP Date: Thu, 4 Mar 2021 09:56:56 +0100 Message-Id: <20210304085710.7128-2-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The current code doesn't check if GPIOLIB_IRQCHIP is enabled, which results in a compilation error when trying to build gpio-regmap if CONFIG_GPIOLIB_IRQCHIP isn't enabled. Fixes: 6a45b0e2589f ("gpiolib: Introduce gpiochip_irqchip_add_domain()") Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Linus Walleij --- v4: add patch (fix include instead of gpio-regmap.c) include/linux/gpio/driver.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 286de0520574..ecf0032a0995 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -624,8 +624,17 @@ void gpiochip_irq_domain_deactivate(struct irq_domain *domain, bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, unsigned int offset); +#ifdef CONFIG_GPIOLIB_IRQCHIP int gpiochip_irqchip_add_domain(struct gpio_chip *gc, struct irq_domain *domain); +#else +static inline int gpiochip_irqchip_add_domain(struct gpio_chip *gc, + struct irq_domain *domain) +{ + WARN_ON(1); + return -EINVAL; +} +#endif int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset); void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset); From patchwork Thu Mar 4 08:56:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A9C7C43332 for ; Thu, 4 Mar 2021 08:58:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 043CF64F18 for ; Thu, 4 Mar 2021 08:58:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236954AbhCDI6G (ORCPT ); Thu, 4 Mar 2021 03:58:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236972AbhCDI55 (ORCPT ); Thu, 4 Mar 2021 03:57:57 -0500 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 696E0C06175F; Thu, 4 Mar 2021 00:57:17 -0800 (PST) Received: by mail-wm1-x32d.google.com with SMTP id i9so7313623wml.0; Thu, 04 Mar 2021 00:57:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=E9tYG5sQpt2PxFnt3/G3HRCcKTojRNxY1UpckrJvdZU=; b=dv5O19c02XYvno7CjRrWVr4T9RKmM6f5XLDVahZm/T+22AVCQGLXd2Etlg3m6j3Ji/ Fet04yWwPwMc4vewUcpJQMio/k+4wY3jZyDuEw28TESuwDhbtmXIdJFYd0ylK0B2j8Qx gliSYuh0V/Huu+HPA72TXh7KdnqanRspyhTbEPeFWq84puJXiQftcs7m7eu+pdYsE/2D lIv0A1X/ajoa2zKQIGOyIaeD5JiU+MbbRWGC8qf+YVtnxGatTPrlXFCNwfsirhnme2Fe hvr4jpPfhYWYcvduuVbVikmX4TJZJu4ighX0/CNriObH6hMRTHVACWF9a5UjuqEKG5KB E3Bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=E9tYG5sQpt2PxFnt3/G3HRCcKTojRNxY1UpckrJvdZU=; b=fgWCx/uNVOxpZcpFsXk9q+RkYUQq2wu7P1orCMUSW64gzPALyGrUPGDrItHlJjPRxN EZAxuDNM1j4PDIWcywxWbW6ErDX7ZlNAGQcKXXqm7hYfhEUHGe/GODpsHW7uOJOr0kAk p0qU7PhHc/XfR+1g7RVzhdeiRklcmwgoZnVgTkiK7FMAUrhSpftVuSlMwhPhrhD0vnuo /oB9oVQKByW0PqzGUsHeeDAqJiDQppRbQKEQ2gfsO05ezKWP1mQ8VlLC91RWUeruO6Qj 6f2mCuxyHXJjy0D9bDFGlfxlg05pnH6SYOMH1rbVmzJyKUObJs0aPplZ0Ec9GlpCZAP2 UdLg== X-Gm-Message-State: AOAM531HTrGSVG/gw4rOqsWy262t7LULfChzyIs2tO4/zKP5oTH2WoWf qJeiVskjPvE00tF99IGCpmE= X-Google-Smtp-Source: ABdhPJzXVGVsVnspZcI6+3UBOmTI2LvrmNpSzAeX/D6htwS6MlR3CnIEAaxqi2kaxwl6k76c4fmIug== X-Received: by 2002:a05:600c:4f0c:: with SMTP id l12mr2791652wmq.16.1614848236185; Thu, 04 Mar 2021 00:57:16 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:15 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 02/15] gpio: regmap: set gpio_chip of_node Date: Thu, 4 Mar 2021 09:56:57 +0100 Message-Id: <20210304085710.7128-3-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This is needed for properly registering gpio regmap as a child of a regmap pin controller. Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Michael Walle --- v4: fix documentation v3: introduce patch needed for properly parsing gpio-ranges drivers/gpio/gpio-regmap.c | 1 + include/linux/gpio/regmap.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c index 5412cb3b0b2a..1a43a90024bb 100644 --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -249,6 +249,7 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config chip = &gpio->gpio_chip; chip->parent = config->parent; + chip->of_node = config->of_node ?: dev_of_node(config->parent); chip->base = -1; chip->ngpio = config->ngpio; chip->names = config->names; diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h index ad76f3d0a6ba..73105ff830fb 100644 --- a/include/linux/gpio/regmap.h +++ b/include/linux/gpio/regmap.h @@ -4,6 +4,7 @@ #define _LINUX_GPIO_REGMAP_H struct device; +struct device_node; struct gpio_regmap; struct irq_domain; struct regmap; @@ -16,6 +17,7 @@ struct regmap; * @parent: The parent device * @regmap: The regmap used to access the registers * given, the name of the device is used + * @of_node: (Optional) The device node * @label: (Optional) Descriptive name for GPIO controller. * If not given, the name of the device is used. * @ngpio: Number of GPIOs @@ -57,6 +59,7 @@ struct regmap; struct gpio_regmap_config { struct device *parent; struct regmap *regmap; + struct device_node *of_node; const char *label; int ngpio; From patchwork Thu Mar 4 08:57:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393022 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2560C433DB for ; Thu, 4 Mar 2021 08:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B729364F20 for ; Thu, 4 Mar 2021 08:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237030AbhCDI6i (ORCPT ); Thu, 4 Mar 2021 03:58:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237042AbhCDI6g (ORCPT ); Thu, 4 Mar 2021 03:58:36 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA68BC061763; Thu, 4 Mar 2021 00:57:20 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id w7so7285066wmb.5; Thu, 04 Mar 2021 00:57:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=y4YeH0Nz5An81nmCpdBuGlzbp8MPE1s6v56bJHKkBrM=; b=NVYN7vhxcpxRoPXVhZNYBtPapHEpU5DGr7tGrLzTQLji1l0JMzcP0Jws4cov6eMB6Z kKlalk3oxzy+5wJEiukxp2I2Y9ocIxsL5iu1MMzvc72rdMcPNoZPuJIPs2CF6a4c9/2N aTboWZTwIl05nPlN+M/f9xakUeNkfn0dXrUE3roZZeQ/y2YO8K/S0pFS1sFPTb/X8g+h kodDtVUIWWra5eUxlPUKCAoz2ZvNMwv1wrL8q/GobX3lPXXIBg++J5hjVBXdOP24u96V gW9Wv0v6vYjNhp5J+ezScjgm+eyp87bfsJp8Joo0ZSC20XsMc2xhu+YqwF1i4/HhWVaI h6WQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=y4YeH0Nz5An81nmCpdBuGlzbp8MPE1s6v56bJHKkBrM=; b=pxOZTLivaJKsl7VSZKcCDsVlyUfJEF3azp/P3TUXWBN+OGkfsjxG5skxikUbxH77+F MX8nPCG8OOMBz120Ps+Gfzt4g+CzCCHjsUOAvn59zx7GdcrvWLLdqu3ZtIt8K7DfF0vC bbeNqJD4Ie3q1TmzykUrG5BptHYYgs0L7AsXkjRCKkPCXedLLRbYSqaIoAghrCUzWH5l M+dpVYAGsFDJlCiDLI2GBJ6nc0ilda65v4CZ459mdihz/Jcy6kaUD6nmvlr+YUAd8k3b hPt/ebkjGa6xXRLPjr77293q/kogsdxV7NUuNk3BLK9LBhOiFW/GjL9xvayEjxSrSxK7 eyfQ== X-Gm-Message-State: AOAM531aGTbHn8R7Y+iIFhl45i91MG3Z/fvHFv9Y5qqLObJeUTzCripH g0knfRAzgTGghne80ENFdcQ= X-Google-Smtp-Source: ABdhPJxzuTR2nE6+UFhiROJlHlEwVBBTmn+Zcpl8Z4Syo8+Gao8uNfP6UzS34ZEdICj2BMSp4IDCfw== X-Received: by 2002:a7b:cb98:: with SMTP id m24mr2720059wmi.15.1614848239568; Thu, 04 Mar 2021 00:57:19 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:19 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 06/15] Documentation: add BCM6358 pincontroller binding documentation Date: Thu, 4 Mar 2021 09:57:01 +0100 Message-Id: <20210304085710.7128-7-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add binding documentation for the pincontrol core found in BCM6358 SoCs. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: add new gpio node v2: remove interrupts .../pinctrl/brcm,bcm6358-pinctrl.yaml | 137 ++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml new file mode 100644 index 000000000000..eb14dd4cdaaa --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6358-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6358 pin controller + +maintainers: + - Álvaro Fernández Rojas + - Jonas Gorski + +description: |+ + The pin controller node should be the child of a syscon node. + + Refer to the the bindings described in + Documentation/devicetree/bindings/mfd/syscon.yaml + +properties: + compatible: + const: brcm,bcm6358-pinctrl + +patternProperties: + '^gpio$': + type: object + properties: + compatible: + const: brcm,bcm6358-gpio + + data: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the data register (in bytes). + + dirout: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the dirout register (in bytes). + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + required: + - gpio-controller + - gpio-ranges + - '#gpio-cells' + + '^.*$': + if: + type: object + then: + properties: + function: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ ebi_cs, uart1, serial_led, legacy_led, led, spi_cs, utopia, + pwm_syn_clk, sys_irq ] + + pins: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ ebi_cs_grp, uart1_grp, serial_led_grp, legacy_led_grp, + led_grp, spi_cs_grp, utopia_grp, pwm_syn_clk, sys_irq_grp ] + +required: + - compatible + +additionalProperties: false + +examples: + - | + gpio_cntl@fffe0080 { + compatible = "syscon", "simple-mfd"; + reg = <0xfffe0080 0x80>; + + pinctrl: pinctrl { + compatible = "brcm,bcm6358-pinctrl"; + + gpio { + compatible = "brcm,bcm6358-gpio"; + data = <0xc>; + dirout = <0x4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 40>; + #gpio-cells = <2>; + }; + + pinctrl_ebi_cs: ebi_cs { + function = "ebi_cs"; + groups = "ebi_cs_grp"; + }; + + pinctrl_uart1: uart1 { + function = "uart1"; + groups = "uart1_grp"; + }; + + pinctrl_serial_led: serial_led { + function = "serial_led"; + groups = "serial_led_grp"; + }; + + pinctrl_legacy_led: legacy_led { + function = "legacy_led"; + groups = "legacy_led_grp"; + }; + + pinctrl_led: led { + function = "led"; + groups = "led_grp"; + }; + + pinctrl_spi_cs_23: spi_cs { + function = "spi_cs"; + groups = "spi_cs_grp"; + }; + + pinctrl_utopia: utopia { + function = "utopia"; + groups = "utopia_grp"; + }; + + pinctrl_pwm_syn_clk: pwm_syn_clk { + function = "pwm_syn_clk"; + groups = "pwm_syn_clk_grp"; + }; + + pinctrl_sys_irq: sys_irq { + function = "sys_irq"; + groups = "sys_irq_grp"; + }; + }; + }; From patchwork Thu Mar 4 08:57:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393020 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2094C433E9 for ; Thu, 4 Mar 2021 08:59:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8EA0364F18 for ; Thu, 4 Mar 2021 08:59:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237070AbhCDI7J (ORCPT ); Thu, 4 Mar 2021 03:59:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237043AbhCDI6h (ORCPT ); Thu, 4 Mar 2021 03:58:37 -0500 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA6A6C061764; Thu, 4 Mar 2021 00:57:21 -0800 (PST) Received: by mail-wm1-x334.google.com with SMTP id m1so8826587wml.2; Thu, 04 Mar 2021 00:57:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=5qPTqChdNYlIXH1TIk3VyGdj0LIorAkNeqGlg0otyZU=; b=h4XnW2At8Sg+DGpKJc0slfpWaNVAL1GnalF0iuk+3EoIunJsXcrgiNIFxo8UK3JMue KB0Szwjn9mK2Iwz9hdhVSUZKtc+VcwPMQXKkZVYktOpQIgaaDElxuvg6O/gv8J0uqbMR 3vl0ib/Sh+QpiRc0VBj4qFq0aQjJTsoUuYHH7stNapwRHH1cKyQU5qChq8iXKDXor9xu gB+qMUfYq/uI2imp6eI8R0OcCnifsz6rNZmwl+ZETUlbK10JHAAfV9B1BzkbkI3pEJP1 SM84aZgHcyaZu8syPeJOM27UvXoiFyMMkRROtVcGQ9H3b7GeEAMsIrLpyc4hF5WhbVX8 cdgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5qPTqChdNYlIXH1TIk3VyGdj0LIorAkNeqGlg0otyZU=; b=M9ZkX+denG6lycYgQpNK2x1sCkD20x4dkNuG+DHUKm9G1GqS2FhSDfRx/upBdt16dk AHUpZpyAxo966//ceh0wc+j2bEDMYwypPlzqTj5fi9spCj0ben9mqWvrgiBIvmICmz7B ACAyuFpbpEEbnrBsLm9WTLHJptSa5cDKp8jELk7KNLgg/pBfSWr8sPMRNadlKibPZGkr 5WavKRGsJWC71WQUvO2Z73YL3AV/8h6R9RBCmuluvubeoe9aNy+GLNyoSBtAdVCqz65z LE9Km3dMnplqnZt1Q8vPyNw6jNMMbZCS7BpwSb6iWUyu0n1Pi57ga2XO+7EujNAnrvyG Adng== X-Gm-Message-State: AOAM533TMWbE9VkRNefF8L2RSdsu8D8ymzMy5VuYSSqQbnzfLmyFUQzC vyRvN6ePR5Roj2BiVO7YZDI= X-Google-Smtp-Source: ABdhPJwK4oWlVQYIcJ1sEB8qjIngf8JAvyWV5/SQ37R4BlPXGIWQOEmgLWQOMx1q28Wqx25CoaOGZQ== X-Received: by 2002:a05:600c:21ca:: with SMTP id x10mr2862363wmj.48.1614848240406; Thu, 04 Mar 2021 00:57:20 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:20 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 07/15] pinctrl: add a pincontrol driver for BCM6358 Date: Thu, 4 Mar 2021 09:57:02 +0100 Message-Id: <20210304085710.7128-8-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add a pincotrol driver for BCM6358. BCM6358 allow overlaying different functions onto the GPIO pins. It does not support configuring individual pins but only whole groups. These groups may overlap, and still require the directions to be set correctly in the GPIO register. In addition the functions register controls other, not directly mux related functions. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: use new shared code v2: switch to GPIO_REGMAP drivers/pinctrl/bcm/Kconfig | 8 + drivers/pinctrl/bcm/Makefile | 1 + drivers/pinctrl/bcm/pinctrl-bcm6358.c | 369 ++++++++++++++++++++++++++ 3 files changed, 378 insertions(+) create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6358.c diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig index d35e5d3fe26f..ced7cc6ab44f 100644 --- a/drivers/pinctrl/bcm/Kconfig +++ b/drivers/pinctrl/bcm/Kconfig @@ -44,6 +44,14 @@ config PINCTRL_BCM6328 help Say Y here to enable the Broadcom BCM6328 GPIO driver. +config PINCTRL_BCM6358 + bool "Broadcom BCM6358 GPIO driver" + depends on (BMIPS_GENERIC || COMPILE_TEST) + select PINCTRL_BCM63XX + default BMIPS_GENERIC + help + Say Y here to enable the Broadcom BCM6358 GPIO driver. + config PINCTRL_IPROC_GPIO bool "Broadcom iProc GPIO (with PINCONF) driver" depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index 57e5434a6db6..c3f5b7b2f2f0 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o obj-$(CONFIG_PINCTRL_BCM63XX) += pinctrl-bcm63xx.o obj-$(CONFIG_PINCTRL_BCM6328) += pinctrl-bcm6328.o +obj-$(CONFIG_PINCTRL_BCM6358) += pinctrl-bcm6358.o obj-$(CONFIG_PINCTRL_IPROC_GPIO) += pinctrl-iproc-gpio.o obj-$(CONFIG_PINCTRL_CYGNUS_MUX) += pinctrl-cygnus-mux.o obj-$(CONFIG_PINCTRL_NS) += pinctrl-ns.o diff --git a/drivers/pinctrl/bcm/pinctrl-bcm6358.c b/drivers/pinctrl/bcm/pinctrl-bcm6358.c new file mode 100644 index 000000000000..e1487a7c2e46 --- /dev/null +++ b/drivers/pinctrl/bcm/pinctrl-bcm6358.c @@ -0,0 +1,369 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for BCM6358 GPIO unit (pinctrl + GPIO) + * + * Copyright (C) 2021 Álvaro Fernández Rojas + * Copyright (C) 2016 Jonas Gorski + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "../pinctrl-utils.h" + +#include "pinctrl-bcm63xx.h" + +#define BCM6358_NUM_GPIOS 40 + +#define BCM6358_MODE_REG 0x18 +#define BCM6358_MODE_MUX_NONE 0 +#define BCM6358_MODE_MUX_EBI_CS BIT(5) +#define BCM6358_MODE_MUX_UART1 BIT(6) +#define BCM6358_MODE_MUX_SPI_CS BIT(7) +#define BCM6358_MODE_MUX_ASYNC_MODEM BIT(8) +#define BCM6358_MODE_MUX_LEGACY_LED BIT(9) +#define BCM6358_MODE_MUX_SERIAL_LED BIT(10) +#define BCM6358_MODE_MUX_LED BIT(11) +#define BCM6358_MODE_MUX_UTOPIA BIT(12) +#define BCM6358_MODE_MUX_CLKRST BIT(13) +#define BCM6358_MODE_MUX_PWM_SYN_CLK BIT(14) +#define BCM6358_MODE_MUX_SYS_IRQ BIT(15) + +struct bcm6358_pingroup { + const char *name; + const unsigned * const pins; + const unsigned num_pins; + + const uint16_t mode_val; + + /* non-GPIO function muxes require the gpio direction to be set */ + const uint16_t direction; +}; + +struct bcm6358_function { + const char *name; + const char * const *groups; + const unsigned num_groups; +}; + +struct bcm6358_priv { + struct regmap_field *overlays; +}; + +#define BCM6358_GPIO_PIN(a, b, bit1, bit2, bit3) \ + { \ + .number = a, \ + .name = b, \ + .drv_data = (void *)(BCM6358_MODE_MUX_##bit1 | \ + BCM6358_MODE_MUX_##bit2 | \ + BCM6358_MODE_MUX_##bit3), \ + } + +static const struct pinctrl_pin_desc bcm6358_pins[] = { + BCM6358_GPIO_PIN(0, "gpio0", LED, NONE, NONE), + BCM6358_GPIO_PIN(1, "gpio1", LED, NONE, NONE), + BCM6358_GPIO_PIN(2, "gpio2", LED, NONE, NONE), + BCM6358_GPIO_PIN(3, "gpio3", LED, NONE, NONE), + PINCTRL_PIN(4, "gpio4"), + BCM6358_GPIO_PIN(5, "gpio5", SYS_IRQ, NONE, NONE), + BCM6358_GPIO_PIN(6, "gpio6", SERIAL_LED, NONE, NONE), + BCM6358_GPIO_PIN(7, "gpio7", SERIAL_LED, NONE, NONE), + BCM6358_GPIO_PIN(8, "gpio8", PWM_SYN_CLK, NONE, NONE), + BCM6358_GPIO_PIN(9, "gpio09", LEGACY_LED, NONE, NONE), + BCM6358_GPIO_PIN(10, "gpio10", LEGACY_LED, NONE, NONE), + BCM6358_GPIO_PIN(11, "gpio11", LEGACY_LED, NONE, NONE), + BCM6358_GPIO_PIN(12, "gpio12", LEGACY_LED, ASYNC_MODEM, UTOPIA), + BCM6358_GPIO_PIN(13, "gpio13", LEGACY_LED, ASYNC_MODEM, UTOPIA), + BCM6358_GPIO_PIN(14, "gpio14", LEGACY_LED, ASYNC_MODEM, UTOPIA), + BCM6358_GPIO_PIN(15, "gpio15", LEGACY_LED, ASYNC_MODEM, UTOPIA), + PINCTRL_PIN(16, "gpio16"), + PINCTRL_PIN(17, "gpio17"), + PINCTRL_PIN(18, "gpio18"), + PINCTRL_PIN(19, "gpio19"), + PINCTRL_PIN(20, "gpio20"), + PINCTRL_PIN(21, "gpio21"), + BCM6358_GPIO_PIN(22, "gpio22", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(23, "gpio23", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(24, "gpio24", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(25, "gpio25", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(26, "gpio26", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(27, "gpio27", UTOPIA, NONE, NONE), + BCM6358_GPIO_PIN(28, "gpio28", UTOPIA, UART1, NONE), + BCM6358_GPIO_PIN(29, "gpio29", UTOPIA, UART1, NONE), + BCM6358_GPIO_PIN(30, "gpio30", UTOPIA, UART1, EBI_CS), + BCM6358_GPIO_PIN(31, "gpio31", UTOPIA, UART1, EBI_CS), + BCM6358_GPIO_PIN(32, "gpio32", SPI_CS, NONE, NONE), + BCM6358_GPIO_PIN(33, "gpio33", SPI_CS, NONE, NONE), + PINCTRL_PIN(34, "gpio34"), + PINCTRL_PIN(35, "gpio35"), + PINCTRL_PIN(36, "gpio36"), + PINCTRL_PIN(37, "gpio37"), + PINCTRL_PIN(38, "gpio38"), + PINCTRL_PIN(39, "gpio39"), +}; + +static unsigned ebi_cs_grp_pins[] = { 30, 31 }; + +static unsigned uart1_grp_pins[] = { 28, 29, 30, 31 }; + +static unsigned spi_cs_grp_pins[] = { 32, 33 }; + +static unsigned async_modem_grp_pins[] = { 12, 13, 14, 15 }; + +static unsigned serial_led_grp_pins[] = { 6, 7 }; + +static unsigned legacy_led_grp_pins[] = { 9, 10, 11, 12, 13, 14, 15 }; + +static unsigned led_grp_pins[] = { 0, 1, 2, 3 }; + +static unsigned utopia_grp_pins[] = { + 12, 13, 14, 15, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, +}; + +static unsigned pwm_syn_clk_grp_pins[] = { 8 }; + +static unsigned sys_irq_grp_pins[] = { 5 }; + +#define BCM6358_GPIO_MUX_GROUP(n, bit, dir) \ + { \ + .name = #n, \ + .pins = n##_pins, \ + .num_pins = ARRAY_SIZE(n##_pins), \ + .mode_val = BCM6358_MODE_MUX_##bit, \ + .direction = dir, \ + } + +static const struct bcm6358_pingroup bcm6358_groups[] = { + BCM6358_GPIO_MUX_GROUP(ebi_cs_grp, EBI_CS, 0x3), + BCM6358_GPIO_MUX_GROUP(uart1_grp, UART1, 0x2), + BCM6358_GPIO_MUX_GROUP(spi_cs_grp, SPI_CS, 0x6), + BCM6358_GPIO_MUX_GROUP(async_modem_grp, ASYNC_MODEM, 0x6), + BCM6358_GPIO_MUX_GROUP(legacy_led_grp, LEGACY_LED, 0x7f), + BCM6358_GPIO_MUX_GROUP(serial_led_grp, SERIAL_LED, 0x3), + BCM6358_GPIO_MUX_GROUP(led_grp, LED, 0xf), + BCM6358_GPIO_MUX_GROUP(utopia_grp, UTOPIA, 0x000f), + BCM6358_GPIO_MUX_GROUP(pwm_syn_clk_grp, PWM_SYN_CLK, 0x1), + BCM6358_GPIO_MUX_GROUP(sys_irq_grp, SYS_IRQ, 0x1), +}; + +static const char * const ebi_cs_groups[] = { + "ebi_cs_grp" +}; + +static const char * const uart1_groups[] = { + "uart1_grp" +}; + +static const char * const spi_cs_2_3_groups[] = { + "spi_cs_2_3_grp" +}; + +static const char * const async_modem_groups[] = { + "async_modem_grp" +}; + +static const char * const legacy_led_groups[] = { + "legacy_led_grp", +}; + +static const char * const serial_led_groups[] = { + "serial_led_grp", +}; + +static const char * const led_groups[] = { + "led_grp", +}; + +static const char * const clkrst_groups[] = { + "clkrst_grp", +}; + +static const char * const pwm_syn_clk_groups[] = { + "pwm_syn_clk_grp", +}; + +static const char * const sys_irq_groups[] = { + "sys_irq_grp", +}; + +#define BCM6358_FUN(n) \ + { \ + .name = #n, \ + .groups = n##_groups, \ + .num_groups = ARRAY_SIZE(n##_groups), \ + } + +static const struct bcm6358_function bcm6358_funcs[] = { + BCM6358_FUN(ebi_cs), + BCM6358_FUN(uart1), + BCM6358_FUN(spi_cs_2_3), + BCM6358_FUN(async_modem), + BCM6358_FUN(legacy_led), + BCM6358_FUN(serial_led), + BCM6358_FUN(led), + BCM6358_FUN(clkrst), + BCM6358_FUN(pwm_syn_clk), + BCM6358_FUN(sys_irq), +}; + +static int bcm6358_pinctrl_get_group_count(struct pinctrl_dev *pctldev) +{ + return ARRAY_SIZE(bcm6358_groups); +} + +static const char *bcm6358_pinctrl_get_group_name(struct pinctrl_dev *pctldev, + unsigned group) +{ + return bcm6358_groups[group].name; +} + +static int bcm6358_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned group, const unsigned **pins, + unsigned *num_pins) +{ + *pins = bcm6358_groups[group].pins; + *num_pins = bcm6358_groups[group].num_pins; + + return 0; +} + +static int bcm6358_pinctrl_get_func_count(struct pinctrl_dev *pctldev) +{ + return ARRAY_SIZE(bcm6358_funcs); +} + +static const char *bcm6358_pinctrl_get_func_name(struct pinctrl_dev *pctldev, + unsigned selector) +{ + return bcm6358_funcs[selector].name; +} + +static int bcm6358_pinctrl_get_groups(struct pinctrl_dev *pctldev, + unsigned selector, + const char * const **groups, + unsigned * const num_groups) +{ + *groups = bcm6358_funcs[selector].groups; + *num_groups = bcm6358_funcs[selector].num_groups; + + return 0; +} + +static int bcm6358_pinctrl_set_mux(struct pinctrl_dev *pctldev, + unsigned selector, unsigned group) +{ + struct bcm63xx_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + struct bcm6358_priv *priv = pc->driver_data; + const struct bcm6358_pingroup *pg = &bcm6358_groups[group]; + unsigned int val = pg->mode_val; + unsigned int mask = val; + unsigned pin; + + for (pin = 0; pin < pg->num_pins; pin++) + mask |= (unsigned long)bcm6358_pins[pin].drv_data; + + regmap_field_update_bits(priv->overlays, mask, val); + + for (pin = 0; pin < pg->num_pins; pin++) { + struct pinctrl_gpio_range *range; + unsigned int hw_gpio = bcm6358_pins[pin].number; + + range = pinctrl_find_gpio_range_from_pin(pctldev, hw_gpio); + if (range) { + struct gpio_chip *gc = range->gc; + + if (pg->direction & BIT(pin)) + gc->direction_output(gc, hw_gpio, 0); + else + gc->direction_input(gc, hw_gpio); + } + } + + return 0; +} + +static int bcm6358_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset) +{ + struct bcm63xx_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + struct bcm6358_priv *priv = pc->driver_data; + unsigned int mask; + + mask = (unsigned long) bcm6358_pins[offset].drv_data; + if (!mask) + return 0; + + /* disable all functions using this pin */ + return regmap_field_update_bits(priv->overlays, mask, 0); +} + +static struct pinctrl_ops bcm6358_pctl_ops = { + .get_groups_count = bcm6358_pinctrl_get_group_count, + .get_group_name = bcm6358_pinctrl_get_group_name, + .get_group_pins = bcm6358_pinctrl_get_group_pins, + .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, + .dt_free_map = pinctrl_utils_free_map, +}; + +static struct pinmux_ops bcm6358_pmx_ops = { + .get_functions_count = bcm6358_pinctrl_get_func_count, + .get_function_name = bcm6358_pinctrl_get_func_name, + .get_function_groups = bcm6358_pinctrl_get_groups, + .set_mux = bcm6358_pinctrl_set_mux, + .gpio_request_enable = bcm6358_gpio_request_enable, + .strict = true, +}; + +static const struct bcm63xx_pinctrl_soc bcm6358_soc = { + .ngpios = BCM6358_NUM_GPIOS, + .npins = ARRAY_SIZE(bcm6358_pins), + .pctl_ops = &bcm6358_pctl_ops, + .pins = bcm6358_pins, + .pmx_ops = &bcm6358_pmx_ops, +}; + +static int bcm6358_pinctrl_probe(struct platform_device *pdev) +{ + struct reg_field overlays = REG_FIELD(BCM6358_MODE_REG, 0, 15); + struct device *dev = &pdev->dev; + struct bcm63xx_pinctrl *pc; + struct bcm6358_priv *priv; + int err; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + err = bcm63xx_pinctrl_probe(pdev, &bcm6358_soc, (void *) priv); + if (err) + return err; + + pc = platform_get_drvdata(pdev); + + priv->overlays = devm_regmap_field_alloc(dev, pc->regs, overlays); + if (IS_ERR(priv->overlays)) + return PTR_ERR(priv->overlays); + + return 0; +} + +static const struct of_device_id bcm6358_pinctrl_match[] = { + { .compatible = "brcm,bcm6358-pinctrl", }, + { }, +}; + +static struct platform_driver bcm6358_pinctrl_driver = { + .probe = bcm6358_pinctrl_probe, + .driver = { + .name = "bcm6358-pinctrl", + .of_match_table = bcm6358_pinctrl_match, + }, +}; + +builtin_platform_driver(bcm6358_pinctrl_driver); From patchwork Thu Mar 4 08:57:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393021 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 894EAC433E6 for ; Thu, 4 Mar 2021 08:59:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6717F64F1E for ; Thu, 4 Mar 2021 08:59:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237153AbhCDI7J (ORCPT ); Thu, 4 Mar 2021 03:59:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237044AbhCDI6h (ORCPT ); Thu, 4 Mar 2021 03:58:37 -0500 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87C2BC061765; Thu, 4 Mar 2021 00:57:22 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id o2so8313766wme.5; Thu, 04 Mar 2021 00:57:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=IBobp++zzmXkFlTKyV+xbBFMiHTm9+gplidWmumgZTU=; b=p4Jnlj36BLh4YW4420lN2L4SKeIDWzvbo75DvTnUNwFWiehfztrwJu1ceeMti5tiRR l/HF7T/d6r99i9hlcyDUtGYNlqqpN2mG69WRnQtPJXqh0tqDYR5rrSOnl+RConNZJqNC pcClgx8Ogv9Zf1bptbNzXI1O1EZySaPKH7fJGs1l67VfJmvDRcf1L6/qu5iL2ZlMqOSq BoYW9sjFGqWBjl93+MOEOclmS46GXz5qltmomQc65XoYAxZWl1pxQsMxUgW7ksO/aAzH crX8wK2C9Q+2qRuDWSQUt4F4UUhcVtI+yoCvrOkE5e7XUXyu9c6ykEmc0bwxzkxhkZNf WjQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IBobp++zzmXkFlTKyV+xbBFMiHTm9+gplidWmumgZTU=; b=msprwby8sVUZEZxgDqa7GPihAB+ybbcdP8NUO9M/VWZeWYUx0IB1rsG7oHXtvC+AKF f0hIXm9au3MXFAcX16GTtL1WeXGW8vxX55ow4YCJTaGxgzTKcUHq/j0NPZC/XpzjJPoJ a/kkflGiCEGFYy25Q7xbtxFxHfAYWwxmXFBWCQi3pwJloCxUqY/9stEkdVQu++oHFfs/ sxAJIYcKBQzqGi9Y5k8Mij+zMQJWyMGpOY/axlaueMKehHrWjOHspT+m41HJb5aTrn/3 aMWVrz9pSfBvO5cznbA0oB/9WfAMdTEtPum/E1LKTwRjvhEGoN65LRrQvFstAYK/wg1s wzPQ== X-Gm-Message-State: AOAM5300Rvs9g23S+vxmNO6CfrwZBN1yP24vVrXUVx4dRmmC4lQscq/T paSZ8Kq0vQrOgMXeDeqG1/Q= X-Google-Smtp-Source: ABdhPJzfXAEyiFeygEb7VPKW/XrEvx80nNQCpObVqJ93U2X06EMcfoID3tV3dyqCGC4gWgq5K+JYbA== X-Received: by 2002:a1c:2403:: with SMTP id k3mr2868231wmk.130.1614848241223; Thu, 04 Mar 2021 00:57:21 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:20 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 08/15] Documentation: add BCM6362 pincontroller binding documentation Date: Thu, 4 Mar 2021 09:57:03 +0100 Message-Id: <20210304085710.7128-9-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add binding documentation for the pincontrol core found in BCM6362 SoCs. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: add new gpio node v2: remove interrupts .../pinctrl/brcm,bcm6362-pinctrl.yaml | 250 ++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml new file mode 100644 index 000000000000..f33b56cd883f --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml @@ -0,0 +1,250 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6362-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6362 pin controller + +maintainers: + - Álvaro Fernández Rojas + - Jonas Gorski + +description: |+ + The pin controller node should be the child of a syscon node. + + Refer to the the bindings described in + Documentation/devicetree/bindings/mfd/syscon.yaml + +properties: + compatible: + const: brcm,bcm6362-pinctrl + +patternProperties: + '^gpio$': + type: object + properties: + compatible: + const: brcm,bcm6362-gpio + + data: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the data register (in bytes). + + dirout: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the dirout register (in bytes). + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + required: + - gpio-controller + - gpio-ranges + - '#gpio-cells' + + '^.*$': + if: + type: object + then: + properties: + function: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ usb_device_led, sys_irq, serial_led_clk, serial_led_data, + robosw_led_data, robosw_led_clk, robosw_led0, robosw_led1, + inet_led, spi_cs2, spi_cs3, ntr_pulse, uart1_scts, + uart1_srts, uart1_sdin, uart1_sdout, adsl_spi_miso, + adsl_spi_mosi, adsl_spi_clk, adsl_spi_cs, ephy0_led, + ephy1_led, ephy2_led, ephy3_led, ext_irq0, ext_irq1, + ext_irq2, ext_irq3, nand ] + + pins: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7, + gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, gpio14, + gpio15, gpio16, gpio17, gpio18, gpio19, gpio20, gpio21, + gpio22, gpio23, gpio24, gpio25, gpio26, gpio27, nand_grp ] + +required: + - compatible + +additionalProperties: false + +examples: + - | + gpio_cntl@10000080 { + compatible = "syscon", "simple-mfd"; + reg = <0x10000080 0x80>; + + pinctrl: pinctrl { + compatible = "brcm,bcm6362-pinctrl"; + + gpio { + compatible = "brcm,bcm6362-gpio"; + data = <0xc>; + dirout = <0x4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 48>; + #gpio-cells = <2>; + }; + + pinctrl_usb_device_led: usb_device_led { + function = "usb_device_led"; + pins = "gpio0"; + }; + + pinctrl_sys_irq: sys_irq { + function = "sys_irq"; + pins = "gpio1"; + }; + + pinctrl_serial_led: serial_led { + pinctrl_serial_led_clk: serial_led_clk { + function = "serial_led_clk"; + pins = "gpio2"; + }; + + pinctrl_serial_led_data: serial_led_data { + function = "serial_led_data"; + pins = "gpio3"; + }; + }; + + pinctrl_robosw_led_data: robosw_led_data { + function = "robosw_led_data"; + pins = "gpio4"; + }; + + pinctrl_robosw_led_clk: robosw_led_clk { + function = "robosw_led_clk"; + pins = "gpio5"; + }; + + pinctrl_robosw_led0: robosw_led0 { + function = "robosw_led0"; + pins = "gpio6"; + }; + + pinctrl_robosw_led1: robosw_led1 { + function = "robosw_led1"; + pins = "gpio7"; + }; + + pinctrl_inet_led: inet_led { + function = "inet_led"; + pins = "gpio8"; + }; + + pinctrl_spi_cs2: spi_cs2 { + function = "spi_cs2"; + pins = "gpio9"; + }; + + pinctrl_spi_cs3: spi_cs3 { + function = "spi_cs3"; + pins = "gpio10"; + }; + + pinctrl_ntr_pulse: ntr_pulse { + function = "ntr_pulse"; + pins = "gpio11"; + }; + + pinctrl_uart1_scts: uart1_scts { + function = "uart1_scts"; + pins = "gpio12"; + }; + + pinctrl_uart1_srts: uart1_srts { + function = "uart1_srts"; + pins = "gpio13"; + }; + + pinctrl_uart1: uart1 { + pinctrl_uart1_sdin: uart1_sdin { + function = "uart1_sdin"; + pins = "gpio14"; + }; + + pinctrl_uart1_sdout: uart1_sdout { + function = "uart1_sdout"; + pins = "gpio15"; + }; + }; + + pinctrl_adsl_spi: adsl_spi { + pinctrl_adsl_spi_miso: adsl_spi_miso { + function = "adsl_spi_miso"; + pins = "gpio16"; + }; + + pinctrl_adsl_spi_mosi: adsl_spi_mosi { + function = "adsl_spi_mosi"; + pins = "gpio17"; + }; + + pinctrl_adsl_spi_clk: adsl_spi_clk { + function = "adsl_spi_clk"; + pins = "gpio18"; + }; + + pinctrl_adsl_spi_cs: adsl_spi_cs { + function = "adsl_spi_cs"; + pins = "gpio19"; + }; + }; + + pinctrl_ephy0_led: ephy0_led { + function = "ephy0_led"; + pins = "gpio20"; + }; + + pinctrl_ephy1_led: ephy1_led { + function = "ephy1_led"; + pins = "gpio21"; + }; + + pinctrl_ephy2_led: ephy2_led { + function = "ephy2_led"; + pins = "gpio22"; + }; + + pinctrl_ephy3_led: ephy3_led { + function = "ephy3_led"; + pins = "gpio23"; + }; + + pinctrl_ext_irq0: ext_irq0 { + function = "ext_irq0"; + pins = "gpio24"; + }; + + pinctrl_ext_irq1: ext_irq1 { + function = "ext_irq1"; + pins = "gpio25"; + }; + + pinctrl_ext_irq2: ext_irq2 { + function = "ext_irq2"; + pins = "gpio26"; + }; + + pinctrl_ext_irq3: ext_irq3 { + function = "ext_irq3"; + pins = "gpio27"; + }; + + pinctrl_nand: nand { + function = "nand"; + group = "nand_grp"; + }; + }; + }; From patchwork Thu Mar 4 08:57:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393017 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EFC8C43619 for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 600A164F20 for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237165AbhCDI7N (ORCPT ); Thu, 4 Mar 2021 03:59:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237035AbhCDI6i (ORCPT ); Thu, 4 Mar 2021 03:58:38 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 884C7C0613D8; Thu, 4 Mar 2021 00:57:24 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id l12so26707221wry.2; Thu, 04 Mar 2021 00:57:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=BrSZskHXnIwNQAk0aEJ9ZUKb78swfHih8u+KX0xU39I=; b=Bi/WofL/qg6XgF8QwWzoemKMktSvVFqZ3SQw4GtYy/gGB3wVlbE4vCiU7CwFHQ+e2L hKdM2Wnav1N/i4G7QDoFwka8ueH2gOlBkNWdobcwy+z35rovAZcU1sZ56CaxsHaKueou KvfkX4K/b64Tm+KspldNc2LTUHv4AUDbXEbRifsVLjE99OuraDhEZRkPdoI9mdBaWyP7 C3HHBUir6BWfdIWW5lzg144DjPDvIADquLOTQoYoLxjOnwhPbS9Z9WnSvpXLV7IwoR9Y TmCh9HoRS0iCqN0H6dQU+m7VoPM3ZfuZW0HvGBOjz7LmNaSfEV3IxGCbOzfQRGz1hH0p d3zQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=BrSZskHXnIwNQAk0aEJ9ZUKb78swfHih8u+KX0xU39I=; b=BuTOgrVOMhOsGGBeJgiHN7ZEOeos/pSv3D2jFmkg47nxSqLPXPK5zF2E24UUYitGPh NwRtj1ElgDWI9GDDBQfH7aNCjKsifr9bo+GSeUPtFO0InYV3RWHXdAKgMSfaj3YjIxz4 JtKD5ZAT5VwBYpIUs7SCBLq87jP4OztkgHi14KyToq6a06Ju5Teobce7AcvE52VuzdDJ qIU4FJJ1MK6+MoQ9qtiB4+ZvCXQdKFHoRXupd3c4VaZMjgdUSkSfS4oSYWUJ3KcBKLVW MZN9v8cAYY6WRQhe6fqS6Whb0TXPLjCsXZGovI7q1lgllqlg6VJc9fY0gsSs9b8HkNSP YXvw== X-Gm-Message-State: AOAM53271+nXeBG733MchC6IXcpHTOaWLRk8Kjwo9CWbjabLOLKVU+9I R8CE4uZAJ2TE/yQXErCVrXw= X-Google-Smtp-Source: ABdhPJz15auPwYPRYvJjRhzWOT9yYLOHctaIIOVuzGeHbtOMVYDN7jZhketLR2SCH8VtVD/lhH/Caw== X-Received: by 2002:a5d:6cd2:: with SMTP id c18mr2853270wrc.330.1614848243275; Thu, 04 Mar 2021 00:57:23 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:22 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 10/15] Documentation: add BCM6368 pincontroller binding documentation Date: Thu, 4 Mar 2021 09:57:05 +0100 Message-Id: <20210304085710.7128-11-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add binding documentation for the pincontrol core found in BCM6368 SoCs. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: add new gpio node v2: remove interrupts .../pinctrl/brcm,bcm6368-pinctrl.yaml | 261 ++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml new file mode 100644 index 000000000000..6a289c93d6b4 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml @@ -0,0 +1,261 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6368-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6368 pin controller + +maintainers: + - Álvaro Fernández Rojas + - Jonas Gorski + +description: |+ + The pin controller node should be the child of a syscon node. + + Refer to the the bindings described in + Documentation/devicetree/bindings/mfd/syscon.yaml + +properties: + compatible: + const: brcm,bcm6368-pinctrl + +patternProperties: + '^gpio$': + type: object + properties: + compatible: + const: brcm,bcm6368-gpio + + data: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the data register (in bytes). + + dirout: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the dirout register (in bytes). + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + required: + - gpio-controller + - gpio-ranges + - '#gpio-cells' + + '^.*$': + if: + type: object + then: + properties: + function: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ analog_afe_0, analog_afe_1, sys_irq, serial_led_data, + serial_led_clk, inet_led, ephy0_led, ephy1_led, ephy2_led, + ephy3_led, robosw_led_data, robosw_led_clk, robosw_led0, + robosw_led1, usb_device_led, pci_req1, pci_gnt1, pci_intb, + pci_req0, pci_gnt0, pcmcia_cd1, pcmcia_cd2, pcmcia_vs1, + pcmcia_vs2, ebi_cs2, ebi_cs3, spi_cs2, spi_cs3, spi_cs4, + spi_cs5, uart1 ] + + pins: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7, + gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, gpio14, + gpio16, gpio17, gpio18, gpio19, gpio20, gpio22, gpio23, + gpio24, gpio25, gpio26, gpio27, gpio28, gpio29, gpio30, + gpio31, uart1_grp ] + +required: + - compatible + +additionalProperties: false + +examples: + - | + gpio_cntl@10000080 { + compatible = "syscon", "simple-mfd"; + reg = <0x10000080 0x80>; + + pinctrl: pinctrl { + compatible = "brcm,bcm6368-pinctrl"; + + gpio { + compatible = "brcm,bcm6368-gpio"; + data = <0xc>; + dirout = <0x4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 38>; + #gpio-cells = <2>; + }; + + pinctrl_analog_afe_0: analog_afe_0 { + function = "analog_afe_0"; + pins = "gpio0"; + }; + + pinctrl_analog_afe_1: analog_afe_1 { + function = "analog_afe_1"; + pins = "gpio1"; + }; + + pinctrl_sys_irq: sys_irq { + function = "sys_irq"; + pins = "gpio2"; + }; + + pinctrl_serial_led: serial_led { + pinctrl_serial_led_data: serial_led_data { + function = "serial_led_data"; + pins = "gpio3"; + }; + + pinctrl_serial_led_clk: serial_led_clk { + function = "serial_led_clk"; + pins = "gpio4"; + }; + }; + + pinctrl_inet_led: inet_led { + function = "inet_led"; + pins = "gpio5"; + }; + + pinctrl_ephy0_led: ephy0_led { + function = "ephy0_led"; + pins = "gpio6"; + }; + + pinctrl_ephy1_led: ephy1_led { + function = "ephy1_led"; + pins = "gpio7"; + }; + + pinctrl_ephy2_led: ephy2_led { + function = "ephy2_led"; + pins = "gpio8"; + }; + + pinctrl_ephy3_led: ephy3_led { + function = "ephy3_led"; + pins = "gpio9"; + }; + + pinctrl_robosw_led_data: robosw_led_data { + function = "robosw_led_data"; + pins = "gpio10"; + }; + + pinctrl_robosw_led_clk: robosw_led_clk { + function = "robosw_led_clk"; + pins = "gpio11"; + }; + + pinctrl_robosw_led0: robosw_led0 { + function = "robosw_led0"; + pins = "gpio12"; + }; + + pinctrl_robosw_led1: robosw_led1 { + function = "robosw_led1"; + pins = "gpio13"; + }; + + pinctrl_usb_device_led: usb_device_led { + function = "usb_device_led"; + pins = "gpio14"; + }; + + pinctrl_pci: pci { + pinctrl_pci_req1: pci_req1 { + function = "pci_req1"; + pins = "gpio16"; + }; + + pinctrl_pci_gnt1: pci_gnt1 { + function = "pci_gnt1"; + pins = "gpio17"; + }; + + pinctrl_pci_intb: pci_intb { + function = "pci_intb"; + pins = "gpio18"; + }; + + pinctrl_pci_req0: pci_req0 { + function = "pci_req0"; + pins = "gpio19"; + }; + + pinctrl_pci_gnt0: pci_gnt0 { + function = "pci_gnt0"; + pins = "gpio20"; + }; + }; + + pinctrl_pcmcia: pcmcia { + pinctrl_pcmcia_cd1: pcmcia_cd1 { + function = "pcmcia_cd1"; + pins = "gpio22"; + }; + + pinctrl_pcmcia_cd2: pcmcia_cd2 { + function = "pcmcia_cd2"; + pins = "gpio23"; + }; + + pinctrl_pcmcia_vs1: pcmcia_vs1 { + function = "pcmcia_vs1"; + pins = "gpio24"; + }; + + pinctrl_pcmcia_vs2: pcmcia_vs2 { + function = "pcmcia_vs2"; + pins = "gpio25"; + }; + }; + + pinctrl_ebi_cs2: ebi_cs2 { + function = "ebi_cs2"; + pins = "gpio26"; + }; + + pinctrl_ebi_cs3: ebi_cs3 { + function = "ebi_cs3"; + pins = "gpio27"; + }; + + pinctrl_spi_cs2: spi_cs2 { + function = "spi_cs2"; + pins = "gpio28"; + }; + + pinctrl_spi_cs3: spi_cs3 { + function = "spi_cs3"; + pins = "gpio29"; + }; + + pinctrl_spi_cs4: spi_cs4 { + function = "spi_cs4"; + pins = "gpio30"; + }; + + pinctrl_spi_cs5: spi_cs5 { + function = "spi_cs5"; + pins = "gpio31"; + }; + + pinctrl_uart1: uart1 { + function = "uart1"; + group = "uart1_grp"; + }; + }; + }; From patchwork Thu Mar 4 08:57:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393018 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29B95C432C3 for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10B0564F1E for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237082AbhCDI7M (ORCPT ); Thu, 4 Mar 2021 03:59:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237046AbhCDI6i (ORCPT ); Thu, 4 Mar 2021 03:58:38 -0500 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6613AC0613D9; Thu, 4 Mar 2021 00:57:25 -0800 (PST) Received: by mail-wr1-x434.google.com with SMTP id u16so8707067wrt.1; Thu, 04 Mar 2021 00:57:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=dpCEXYH1fAh6zHfGzPa7zNGe3vCvVQ5rj3XsJOIM84U=; b=t0o/c2Qm1wtSvcNEEqUhxOMxtVUN1vunNT9MZ38fxjFwn/vdlqjz3wlLrZp111tfzS R4J+VlGnJG1/gasL8KT8Ff5QHYS6LN+fM2SGBgxLZ4pFO+cN7T3ola5qYmdMeUma0f3S 6ua4To2eg3+BtbgChLGBjT8KehMOmDj5s8Jkv8v0VANz7N/Bu6h1sGF1fpm1BzBo5/tj 4OSTYsel6ZU822lIgxDmk53U3dTWarTkSK32j4F0Gq42CqLAPzGNxZWrK5EG1pOPXlYy 57/A9RDyequFg0NcAPhIZSJzywhvZHj+f3nmD+0aOrGqHpW4jz4fVKBp9PeXU5NBVg+T rJfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dpCEXYH1fAh6zHfGzPa7zNGe3vCvVQ5rj3XsJOIM84U=; b=snSbtVRoMEEPgO77ThOxVFis/ixDxO+xKWeVy8jg16EP4nvpm34MyEZ/btckbe2eyd EoiNQEB3/YsbWJyTgiM7RVTscHtF1oWXczlI0S91PQAmrHHIpXR6SzRsDWBAPMLwKgUI RcX+6CmL71WXaKOjbvkisV/pxThd9DUzZg7rUW4yD8OJlFpF2Ti7VAZ1fhQFE9NYcaF8 sAixh+1m0eSMAtCKFRePLVpXuTvpLLVmUt9zfcC5onwUPxEJYTAmlNT89ieQXBoD/Rxo tsQPh8xZH3uCywIwwpBddjyMkt2foGyazKxOrrdjITcIsEhwxlRWGdK0Nl0xOw/h1KKp sjmg== X-Gm-Message-State: AOAM5302REfIVeGavyIKUeKFdsk/EOoba57KiPSFP2wBE2Z8+t/X4veJ KjqWK8A87ttv8rSFVbX9uiM= X-Google-Smtp-Source: ABdhPJxTkoy/0fg3RSSbtoPlrFbrOZwo8bKx5q8t/EUZvieV+rEr/R5axw1yS/aXJH/7Rdq3D/utEg== X-Received: by 2002:adf:f351:: with SMTP id e17mr2801506wrp.416.1614848244109; Thu, 04 Mar 2021 00:57:24 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:23 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 11/15] pinctrl: add a pincontrol driver for BCM6368 Date: Thu, 4 Mar 2021 09:57:06 +0100 Message-Id: <20210304085710.7128-12-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add a pincontrol driver for BCM6368. BCM6368 allows muxing the first 32 GPIOs onto alternative functions. Not all are documented. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: use new shared code v2: switch to GPIO_REGMAP drivers/pinctrl/bcm/Kconfig | 8 + drivers/pinctrl/bcm/Makefile | 1 + drivers/pinctrl/bcm/pinctrl-bcm6368.c | 523 ++++++++++++++++++++++++++ 3 files changed, 532 insertions(+) create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6368.c diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig index d3101d5e750f..aabd4b762aed 100644 --- a/drivers/pinctrl/bcm/Kconfig +++ b/drivers/pinctrl/bcm/Kconfig @@ -60,6 +60,14 @@ config PINCTRL_BCM6362 help Say Y here to enable the Broadcom BCM6362 GPIO driver. +config PINCTRL_BCM6368 + bool "Broadcom BCM6368 GPIO driver" + depends on (BMIPS_GENERIC || COMPILE_TEST) + select PINCTRL_BCM63XX + default BMIPS_GENERIC + help + Say Y here to enable the Broadcom BCM6368 GPIO driver. + config PINCTRL_IPROC_GPIO bool "Broadcom iProc GPIO (with PINCONF) driver" depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index b9b09e5b914c..a1331bb9680e 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_PINCTRL_BCM63XX) += pinctrl-bcm63xx.o obj-$(CONFIG_PINCTRL_BCM6328) += pinctrl-bcm6328.o obj-$(CONFIG_PINCTRL_BCM6358) += pinctrl-bcm6358.o obj-$(CONFIG_PINCTRL_BCM6362) += pinctrl-bcm6362.o +obj-$(CONFIG_PINCTRL_BCM6368) += pinctrl-bcm6368.o obj-$(CONFIG_PINCTRL_IPROC_GPIO) += pinctrl-iproc-gpio.o obj-$(CONFIG_PINCTRL_CYGNUS_MUX) += pinctrl-cygnus-mux.o obj-$(CONFIG_PINCTRL_NS) += pinctrl-ns.o diff --git a/drivers/pinctrl/bcm/pinctrl-bcm6368.c b/drivers/pinctrl/bcm/pinctrl-bcm6368.c new file mode 100644 index 000000000000..15ce993198e5 --- /dev/null +++ b/drivers/pinctrl/bcm/pinctrl-bcm6368.c @@ -0,0 +1,523 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for BCM6368 GPIO unit (pinctrl + GPIO) + * + * Copyright (C) 2021 Álvaro Fernández Rojas + * Copyright (C) 2016 Jonas Gorski + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "../pinctrl-utils.h" + +#include "pinctrl-bcm63xx.h" + +#define BCM6368_NUM_GPIOS 38 + +#define BCM6368_MODE_REG 0x18 +#define BCM6368_BASEMODE_REG 0x38 +#define BCM6368_BASEMODE_MASK 0x7 +#define BCM6368_BASEMODE_GPIO 0x0 +#define BCM6368_BASEMODE_UART1 0x1 + +struct bcm6368_pingroup { + const char *name; + const unsigned * const pins; + const unsigned num_pins; +}; + +struct bcm6368_function { + const char *name; + const char * const *groups; + const unsigned num_groups; + + unsigned dir_out:16; + unsigned basemode:3; +}; + +struct bcm6368_priv { + struct regmap_field *overlays; +}; + +#define BCM6368_BASEMODE_PIN(a, b) \ + { \ + .number = a, \ + .name = b, \ + .drv_data = (void *)true \ + } + +static const struct pinctrl_pin_desc bcm6368_pins[] = { + PINCTRL_PIN(0, "gpio0"), + PINCTRL_PIN(1, "gpio1"), + PINCTRL_PIN(2, "gpio2"), + PINCTRL_PIN(3, "gpio3"), + PINCTRL_PIN(4, "gpio4"), + PINCTRL_PIN(5, "gpio5"), + PINCTRL_PIN(6, "gpio6"), + PINCTRL_PIN(7, "gpio7"), + PINCTRL_PIN(8, "gpio8"), + PINCTRL_PIN(9, "gpio9"), + PINCTRL_PIN(10, "gpio10"), + PINCTRL_PIN(11, "gpio11"), + PINCTRL_PIN(12, "gpio12"), + PINCTRL_PIN(13, "gpio13"), + PINCTRL_PIN(14, "gpio14"), + PINCTRL_PIN(15, "gpio15"), + PINCTRL_PIN(16, "gpio16"), + PINCTRL_PIN(17, "gpio17"), + PINCTRL_PIN(18, "gpio18"), + PINCTRL_PIN(19, "gpio19"), + PINCTRL_PIN(20, "gpio20"), + PINCTRL_PIN(21, "gpio21"), + PINCTRL_PIN(22, "gpio22"), + PINCTRL_PIN(23, "gpio23"), + PINCTRL_PIN(24, "gpio24"), + PINCTRL_PIN(25, "gpio25"), + PINCTRL_PIN(26, "gpio26"), + PINCTRL_PIN(27, "gpio27"), + PINCTRL_PIN(28, "gpio28"), + PINCTRL_PIN(29, "gpio29"), + BCM6368_BASEMODE_PIN(30, "gpio30"), + BCM6368_BASEMODE_PIN(31, "gpio31"), + BCM6368_BASEMODE_PIN(32, "gpio32"), + BCM6368_BASEMODE_PIN(33, "gpio33"), + PINCTRL_PIN(34, "gpio34"), + PINCTRL_PIN(35, "gpio35"), + PINCTRL_PIN(36, "gpio36"), + PINCTRL_PIN(37, "gpio37"), +}; + +static unsigned gpio0_pins[] = { 0 }; +static unsigned gpio1_pins[] = { 1 }; +static unsigned gpio2_pins[] = { 2 }; +static unsigned gpio3_pins[] = { 3 }; +static unsigned gpio4_pins[] = { 4 }; +static unsigned gpio5_pins[] = { 5 }; +static unsigned gpio6_pins[] = { 6 }; +static unsigned gpio7_pins[] = { 7 }; +static unsigned gpio8_pins[] = { 8 }; +static unsigned gpio9_pins[] = { 9 }; +static unsigned gpio10_pins[] = { 10 }; +static unsigned gpio11_pins[] = { 11 }; +static unsigned gpio12_pins[] = { 12 }; +static unsigned gpio13_pins[] = { 13 }; +static unsigned gpio14_pins[] = { 14 }; +static unsigned gpio15_pins[] = { 15 }; +static unsigned gpio16_pins[] = { 16 }; +static unsigned gpio17_pins[] = { 17 }; +static unsigned gpio18_pins[] = { 18 }; +static unsigned gpio19_pins[] = { 19 }; +static unsigned gpio20_pins[] = { 20 }; +static unsigned gpio21_pins[] = { 21 }; +static unsigned gpio22_pins[] = { 22 }; +static unsigned gpio23_pins[] = { 23 }; +static unsigned gpio24_pins[] = { 24 }; +static unsigned gpio25_pins[] = { 25 }; +static unsigned gpio26_pins[] = { 26 }; +static unsigned gpio27_pins[] = { 27 }; +static unsigned gpio28_pins[] = { 28 }; +static unsigned gpio29_pins[] = { 29 }; +static unsigned gpio30_pins[] = { 30 }; +static unsigned gpio31_pins[] = { 31 }; +static unsigned uart1_grp_pins[] = { 30, 31, 32, 33 }; + +#define BCM6368_GROUP(n) \ + { \ + .name = #n, \ + .pins = n##_pins, \ + .num_pins = ARRAY_SIZE(n##_pins), \ + } + +static struct bcm6368_pingroup bcm6368_groups[] = { + BCM6368_GROUP(gpio0), + BCM6368_GROUP(gpio1), + BCM6368_GROUP(gpio2), + BCM6368_GROUP(gpio3), + BCM6368_GROUP(gpio4), + BCM6368_GROUP(gpio5), + BCM6368_GROUP(gpio6), + BCM6368_GROUP(gpio7), + BCM6368_GROUP(gpio8), + BCM6368_GROUP(gpio9), + BCM6368_GROUP(gpio10), + BCM6368_GROUP(gpio11), + BCM6368_GROUP(gpio12), + BCM6368_GROUP(gpio13), + BCM6368_GROUP(gpio14), + BCM6368_GROUP(gpio15), + BCM6368_GROUP(gpio16), + BCM6368_GROUP(gpio17), + BCM6368_GROUP(gpio18), + BCM6368_GROUP(gpio19), + BCM6368_GROUP(gpio20), + BCM6368_GROUP(gpio21), + BCM6368_GROUP(gpio22), + BCM6368_GROUP(gpio23), + BCM6368_GROUP(gpio24), + BCM6368_GROUP(gpio25), + BCM6368_GROUP(gpio26), + BCM6368_GROUP(gpio27), + BCM6368_GROUP(gpio28), + BCM6368_GROUP(gpio29), + BCM6368_GROUP(gpio30), + BCM6368_GROUP(gpio31), + BCM6368_GROUP(uart1_grp), +}; + +static const char * const analog_afe_0_groups[] = { + "gpio0", +}; + +static const char * const analog_afe_1_groups[] = { + "gpio1", +}; + +static const char * const sys_irq_groups[] = { + "gpio2", +}; + +static const char * const serial_led_data_groups[] = { + "gpio3", +}; + +static const char * const serial_led_clk_groups[] = { + "gpio4", +}; + +static const char * const inet_led_groups[] = { + "gpio5", +}; + +static const char * const ephy0_led_groups[] = { + "gpio6", +}; + +static const char * const ephy1_led_groups[] = { + "gpio7", +}; + +static const char * const ephy2_led_groups[] = { + "gpio8", +}; + +static const char * const ephy3_led_groups[] = { + "gpio9", +}; + +static const char * const robosw_led_data_groups[] = { + "gpio10", +}; + +static const char * const robosw_led_clk_groups[] = { + "gpio11", +}; + +static const char * const robosw_led0_groups[] = { + "gpio12", +}; + +static const char * const robosw_led1_groups[] = { + "gpio13", +}; + +static const char * const usb_device_led_groups[] = { + "gpio14", +}; + +static const char * const pci_req1_groups[] = { + "gpio16", +}; + +static const char * const pci_gnt1_groups[] = { + "gpio17", +}; + +static const char * const pci_intb_groups[] = { + "gpio18", +}; + +static const char * const pci_req0_groups[] = { + "gpio19", +}; + +static const char * const pci_gnt0_groups[] = { + "gpio20", +}; + +static const char * const pcmcia_cd1_groups[] = { + "gpio22", +}; + +static const char * const pcmcia_cd2_groups[] = { + "gpio23", +}; + +static const char * const pcmcia_vs1_groups[] = { + "gpio24", +}; + +static const char * const pcmcia_vs2_groups[] = { + "gpio25", +}; + +static const char * const ebi_cs2_groups[] = { + "gpio26", +}; + +static const char * const ebi_cs3_groups[] = { + "gpio27", +}; + +static const char * const spi_cs2_groups[] = { + "gpio28", +}; + +static const char * const spi_cs3_groups[] = { + "gpio29", +}; + +static const char * const spi_cs4_groups[] = { + "gpio30", +}; + +static const char * const spi_cs5_groups[] = { + "gpio31", +}; + +static const char * const uart1_groups[] = { + "uart1_grp", +}; + +#define BCM6368_FUN(n, out) \ + { \ + .name = #n, \ + .groups = n##_groups, \ + .num_groups = ARRAY_SIZE(n##_groups), \ + .dir_out = out, \ + } + +#define BCM6368_BASEMODE_FUN(n, val, out) \ + { \ + .name = #n, \ + .groups = n##_groups, \ + .num_groups = ARRAY_SIZE(n##_groups), \ + .basemode = BCM6368_BASEMODE_##val, \ + .dir_out = out, \ + } + +static const struct bcm6368_function bcm6368_funcs[] = { + BCM6368_FUN(analog_afe_0, 1), + BCM6368_FUN(analog_afe_1, 1), + BCM6368_FUN(sys_irq, 1), + BCM6368_FUN(serial_led_data, 1), + BCM6368_FUN(serial_led_clk, 1), + BCM6368_FUN(inet_led, 1), + BCM6368_FUN(ephy0_led, 1), + BCM6368_FUN(ephy1_led, 1), + BCM6368_FUN(ephy2_led, 1), + BCM6368_FUN(ephy3_led, 1), + BCM6368_FUN(robosw_led_data, 1), + BCM6368_FUN(robosw_led_clk, 1), + BCM6368_FUN(robosw_led0, 1), + BCM6368_FUN(robosw_led1, 1), + BCM6368_FUN(usb_device_led, 1), + BCM6368_FUN(pci_req1, 0), + BCM6368_FUN(pci_gnt1, 0), + BCM6368_FUN(pci_intb, 0), + BCM6368_FUN(pci_req0, 0), + BCM6368_FUN(pci_gnt0, 0), + BCM6368_FUN(pcmcia_cd1, 0), + BCM6368_FUN(pcmcia_cd2, 0), + BCM6368_FUN(pcmcia_vs1, 0), + BCM6368_FUN(pcmcia_vs2, 0), + BCM6368_FUN(ebi_cs2, 1), + BCM6368_FUN(ebi_cs3, 1), + BCM6368_FUN(spi_cs2, 1), + BCM6368_FUN(spi_cs3, 1), + BCM6368_FUN(spi_cs4, 1), + BCM6368_FUN(spi_cs5, 1), + BCM6368_BASEMODE_FUN(uart1, UART1, 0x6), +}; + +static int bcm6368_pinctrl_get_group_count(struct pinctrl_dev *pctldev) +{ + return ARRAY_SIZE(bcm6368_groups); +} + +static const char *bcm6368_pinctrl_get_group_name(struct pinctrl_dev *pctldev, + unsigned group) +{ + return bcm6368_groups[group].name; +} + +static int bcm6368_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned group, const unsigned **pins, + unsigned *num_pins) +{ + *pins = bcm6368_groups[group].pins; + *num_pins = bcm6368_groups[group].num_pins; + + return 0; +} + +static int bcm6368_pinctrl_get_func_count(struct pinctrl_dev *pctldev) +{ + return ARRAY_SIZE(bcm6368_funcs); +} + +static const char *bcm6368_pinctrl_get_func_name(struct pinctrl_dev *pctldev, + unsigned selector) +{ + return bcm6368_funcs[selector].name; +} + +static int bcm6368_pinctrl_get_groups(struct pinctrl_dev *pctldev, + unsigned selector, + const char * const **groups, + unsigned * const num_groups) +{ + *groups = bcm6368_funcs[selector].groups; + *num_groups = bcm6368_funcs[selector].num_groups; + + return 0; +} + +static int bcm6368_pinctrl_set_mux(struct pinctrl_dev *pctldev, + unsigned selector, unsigned group) +{ + struct bcm63xx_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + struct bcm6368_priv *priv = pc->driver_data; + const struct bcm6368_pingroup *pg = &bcm6368_groups[group]; + const struct bcm6368_function *fun = &bcm6368_funcs[selector]; + int i, pin; + + if (fun->basemode) { + unsigned int mask = 0; + + for (i = 0; i < pg->num_pins; i++) { + pin = pg->pins[i]; + if (pin < BCM63XX_BANK_GPIOS) + mask |= BIT(pin); + } + + regmap_update_bits(pc->regs, BCM6368_MODE_REG, mask, 0); + regmap_field_write(priv->overlays, fun->basemode); + } else { + pin = pg->pins[0]; + + if (bcm6368_pins[pin].drv_data) + regmap_field_write(priv->overlays, + BCM6368_BASEMODE_GPIO); + + regmap_update_bits(pc->regs, BCM6368_MODE_REG, BIT(pin), + BIT(pin)); + } + + for (pin = 0; pin < pg->num_pins; pin++) { + struct pinctrl_gpio_range *range; + int hw_gpio = bcm6368_pins[pin].number; + + range = pinctrl_find_gpio_range_from_pin(pctldev, hw_gpio); + if (range) { + struct gpio_chip *gc = range->gc; + + if (fun->dir_out & BIT(pin)) + gc->direction_output(gc, hw_gpio, 0); + else + gc->direction_input(gc, hw_gpio); + } + } + + return 0; +} + +static int bcm6368_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset) +{ + struct bcm63xx_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + struct bcm6368_priv *priv = pc->driver_data; + + if (offset >= BCM63XX_BANK_GPIOS && !bcm6368_pins[offset].drv_data) + return 0; + + /* disable all functions using this pin */ + if (offset < BCM63XX_BANK_GPIOS) + regmap_update_bits(pc->regs, BCM6368_MODE_REG, BIT(offset), 0); + + if (bcm6368_pins[offset].drv_data) + regmap_field_write(priv->overlays, BCM6368_BASEMODE_GPIO); + + return 0; +} + +static struct pinctrl_ops bcm6368_pctl_ops = { + .get_groups_count = bcm6368_pinctrl_get_group_count, + .get_group_name = bcm6368_pinctrl_get_group_name, + .get_group_pins = bcm6368_pinctrl_get_group_pins, + .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, + .dt_free_map = pinctrl_utils_free_map, +}; + +static struct pinmux_ops bcm6368_pmx_ops = { + .get_functions_count = bcm6368_pinctrl_get_func_count, + .get_function_name = bcm6368_pinctrl_get_func_name, + .get_function_groups = bcm6368_pinctrl_get_groups, + .set_mux = bcm6368_pinctrl_set_mux, + .gpio_request_enable = bcm6368_gpio_request_enable, + .strict = true, +}; + +static const struct bcm63xx_pinctrl_soc bcm6368_soc = { + .ngpios = BCM6368_NUM_GPIOS, + .npins = ARRAY_SIZE(bcm6368_pins), + .pctl_ops = &bcm6368_pctl_ops, + .pins = bcm6368_pins, + .pmx_ops = &bcm6368_pmx_ops, +}; + +static int bcm6368_pinctrl_probe(struct platform_device *pdev) +{ + struct reg_field overlays = REG_FIELD(BCM6368_BASEMODE_REG, 0, 15); + struct device *dev = &pdev->dev; + struct bcm63xx_pinctrl *pc; + struct bcm6368_priv *priv; + int err; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + err = bcm63xx_pinctrl_probe(pdev, &bcm6368_soc, (void *) priv); + if (err) + return err; + + pc = platform_get_drvdata(pdev); + + priv->overlays = devm_regmap_field_alloc(dev, pc->regs, overlays); + if (IS_ERR(priv->overlays)) + return PTR_ERR(priv->overlays); + + return 0; +} + +static const struct of_device_id bcm6368_pinctrl_match[] = { + { .compatible = "brcm,bcm6368-pinctrl", }, + { }, +}; + +static struct platform_driver bcm6368_pinctrl_driver = { + .probe = bcm6368_pinctrl_probe, + .driver = { + .name = "bcm6368-pinctrl", + .of_match_table = bcm6368_pinctrl_match, + }, +}; + +builtin_platform_driver(bcm6368_pinctrl_driver); From patchwork Thu Mar 4 08:57:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 393016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDD81C15503 for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3C9864F18 for ; Thu, 4 Mar 2021 08:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237170AbhCDI7N (ORCPT ); Thu, 4 Mar 2021 03:59:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237056AbhCDI6j (ORCPT ); Thu, 4 Mar 2021 03:58:39 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD38BC0613DC; Thu, 4 Mar 2021 00:57:27 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id e23so7289827wmh.3; Thu, 04 Mar 2021 00:57:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=C94pZ3Q33M3uoec3LMBahm08Y8uZMD/oBgP/1T8rwns=; b=AsOC1q0s2E7hwseb/A7kHZO8GbNbPONzlarvfb7bpsnpT4/ekv/wUoU0EBYHicphEw 3OcjPeU2PdWTBLVpjFX4+zeyzte/ATh9l5qsIP3rfOPmAxhaKuLX76zPTD/kE59NVcur qf967A9TdNMhsED43kf7FFPnDQG7W0Ln8VMJ63fG/rO97s/Y/bQ7cHMwjWE25dnB3gSs Bg0pRvNut4qD0qtfu+Q02LXNh0QOsV1fdDhdle+UuaybgvxzgO0Br6sfVmfMnJTnNlFD N5Sv12tNXRlD5QUSu+OVNTn+kJ6cizTsdtMYF5CvgbjmJxBaIGHKriDI8kSNCjRh6L97 YLyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=C94pZ3Q33M3uoec3LMBahm08Y8uZMD/oBgP/1T8rwns=; b=SJfp92aEh2HHIAkf7O/TLxyA7Om4Gh+hIbWRAXwH2FN2MDmN98zpqOXW+gBFsiIxdn MLnQF1BKORk17rw/3xyAVjgbRDdW7t66C8U3mRKxKxj+SgZTF9Qczm5UPDIxgMdyiKRY 8ze4aCoLoYWPjnk39/RGzyM72j5SX2sy/dycY+etk7gQmPpvzHjmQKloj30ZJFiYNBie hCeT0D8Dk4mqmOD2Fyjg1WKH3QOb/g1gR0/nNhg6LdNnaui9VFMf2y+Pk2cm97nq0ZDC ScbgAk73tmjMF+4Coqe17YjGpv1qKNcYpt8cRFaXiLQzHFiX+5uW76olyzZoVKn1W2hv T2pQ== X-Gm-Message-State: AOAM532HDIN1tsraMpVnx8NbGBZZvW7S1aM+Nzn32DVXlg1fErH+TLcV /UjZm7h6Z5yTdnm6mS53r84= X-Google-Smtp-Source: ABdhPJylrRU1Gn/0g+ZyEFZZw5yYemoApj/pY2NFT+yEQpurFT3gyHlGUsT0hXyVwtFt3VcAewMOAg== X-Received: by 2002:a05:600c:2282:: with SMTP id 2mr2815286wmf.93.1614848246591; Thu, 04 Mar 2021 00:57:26 -0800 (PST) Received: from skynet.lan (170.red-88-1-105.dynamicip.rima-tde.net. [88.1.105.170]) by smtp.gmail.com with ESMTPSA id q15sm2828976wrx.56.2021.03.04.00.57.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 00:57:26 -0800 (PST) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: Linus Walleij , Rob Herring , Michael Walle , Bartosz Golaszewski , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?w4FsdmFybyBGZXJuw6Fu?= =?utf-8?q?dez_Rojas?= , Jonas Gorski , Necip Fazil Yildiran , Andy Shevchenko , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 14/15] Documentation: add BCM6318 pincontroller binding documentation Date: Thu, 4 Mar 2021 09:57:09 +0100 Message-Id: <20210304085710.7128-15-noltari@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304085710.7128-1-noltari@gmail.com> References: <20210304085710.7128-1-noltari@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add binding documentation for the pincontrol core found in BCM6318 SoCs. Signed-off-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski --- v4: no changes v3: add new gpio node v2: remove interrupts .../pinctrl/brcm,bcm6318-pinctrl.yaml | 187 ++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml new file mode 100644 index 000000000000..979b9d06de15 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml @@ -0,0 +1,187 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6318-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6318 pin controller + +maintainers: + - Álvaro Fernández Rojas + - Jonas Gorski + +description: |+ + The pin controller node should be the child of a syscon node. + + Refer to the the bindings described in + Documentation/devicetree/bindings/mfd/syscon.yaml + +properties: + compatible: + const: brcm,bcm6318-pinctrl + +patternProperties: + '^gpio$': + type: object + properties: + compatible: + const: brcm,bcm6318-gpio + + data: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the data register (in bytes). + + dirout: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Offset in the register map for the dirout register (in bytes). + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + required: + - gpio-controller + - gpio-ranges + - '#gpio-cells' + + '^.*$': + if: + type: object + then: + properties: + function: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ ephy0_spd_led, ephy1_spd_led, ephy2_spd_led, ephy3_spd_led, + ephy0_act_led, ephy1_act_led, ephy2_act_led, ephy3_act_led, + serial_led_data, serial_led_clk, inet_act_led, inet_fail_led, + dsl_led, post_fail_led, wlan_wps_led, usb_pwron, + usb_device_led, usb_active ] + + pins: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7, + gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, gpio40 ] + +required: + - compatible + +additionalProperties: false + +examples: + - | + gpio_cntl@10000080 { + compatible = "syscon", "simple-mfd"; + reg = <0x10000080 0x80>; + + pinctrl: pinctrl { + compatible = "brcm,bcm6318-pinctrl"; + + gpio { + compatible = "brcm,bcm6318-gpio"; + data = <0xc>; + dirout = <0x4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 50>; + #gpio-cells = <2>; + }; + + pinctrl_ephy0_spd_led: ephy0_spd_led { + function = "ephy0_spd_led"; + pins = "gpio0"; + }; + + pinctrl_ephy1_spd_led: ephy1_spd_led { + function = "ephy1_spd_led"; + pins = "gpio1"; + }; + + pinctrl_ephy2_spd_led: ephy2_spd_led { + function = "ephy2_spd_led"; + pins = "gpio2"; + }; + + pinctrl_ephy3_spd_led: ephy3_spd_led { + function = "ephy3_spd_led"; + pins = "gpio3"; + }; + + pinctrl_ephy0_act_led: ephy0_act_led { + function = "ephy0_act_led"; + pins = "gpio4"; + }; + + pinctrl_ephy1_act_led: ephy1_act_led { + function = "ephy1_act_led"; + pins = "gpio5"; + }; + + pinctrl_ephy2_act_led: ephy2_act_led { + function = "ephy2_act_led"; + pins = "gpio6"; + }; + + pinctrl_ephy3_act_led: ephy3_act_led { + function = "ephy3_act_led"; + pins = "gpio7"; + }; + + pinctrl_serial_led: serial_led { + pinctrl_serial_led_data: serial_led_data { + function = "serial_led_data"; + pins = "gpio6"; + }; + + pinctrl_serial_led_clk: serial_led_clk { + function = "serial_led_clk"; + pins = "gpio7"; + }; + }; + + pinctrl_inet_act_led: inet_act_led { + function = "inet_act_led"; + pins = "gpio8"; + }; + + pinctrl_inet_fail_led: inet_fail_led { + function = "inet_fail_led"; + pins = "gpio9"; + }; + + pinctrl_dsl_led: dsl_led { + function = "dsl_led"; + pins = "gpio10"; + }; + + pinctrl_post_fail_led: post_fail_led { + function = "post_fail_led"; + pins = "gpio11"; + }; + + pinctrl_wlan_wps_led: wlan_wps_led { + function = "wlan_wps_led"; + pins = "gpio12"; + }; + + pinctrl_usb_pwron: usb_pwron { + function = "usb_pwron"; + pins = "gpio13"; + }; + + pinctrl_usb_device_led: usb_device_led { + function = "usb_device_led"; + pins = "gpio13"; + }; + + pinctrl_usb_active: usb_active { + function = "usb_active"; + pins = "gpio40"; + }; + }; + };