From patchwork Wed Oct 21 22:50:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 294291 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 450B8C5DF9E for ; Wed, 21 Oct 2020 22:51:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E131B218AC for ; Wed, 21 Oct 2020 22:51:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="psxdaokV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2506924AbgJUWvL (ORCPT ); Wed, 21 Oct 2020 18:51:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2506928AbgJUWvK (ORCPT ); Wed, 21 Oct 2020 18:51:10 -0400 Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 635BCC0613D4 for ; Wed, 21 Oct 2020 15:51:10 -0700 (PDT) Received: by mail-lf1-x142.google.com with SMTP id 77so5220823lfl.2 for ; Wed, 21 Oct 2020 15:51:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zpjsljtV36eW22jKsBjcgvjXKE5SZZrozCSm2JOo928=; b=psxdaokVACpNVNAhX4v+t51isYuTHK2+yjs70ohMFGLi0A/J6RuG4aQrBN2JEjUfuQ jUccs4hXrG/Cf17Pl8QaoJVKTz9hK4i2D9sTWVQo4+QvwwCZULhCZyHFLXA/OaCZc6L/ SifjOGkRULm6oCCcKkGQZt6onbxz4ylRNgr1AiTcPGP5D36sKgS0JOUTA+vwWfV7x4sC cuDFE6E1/+wETEoZQl1PvOPfHy8NfCkAtfb6QCWNiuE/OsdLDYt9uXKpwjIsOEeRSLZ8 V0HelwOprCGlE52v3Rv/cMBCBdpo+Du+ripzg+33RlAk7q/qFQV+AjeGE76F6vozJGVK HW6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zpjsljtV36eW22jKsBjcgvjXKE5SZZrozCSm2JOo928=; b=Ce+QNfCkM89U4T3SobaqCZrgZzHWJXkBvbRRBTZWg2S26BjYtxe7I+88JlTw7V0p7h 2O2ktNELDDuLofi3z6GWiGKt7aXq5vd6Hcc4JA1rldYO56IvGig6bAJOKSiG4ANMtDmO +ePfGT2uGGNCINetZcRS9+w8RmImIv+rYW3nKkjy6MCwDyVluIgJqiRg7Mzpy19wKQFz W7fslZJKddZQTQbddpYL41Kmh72FYiRFQCigkLd2k8gmAKOz3SZrlFro/636feTwx5LB 9MycmLIC9yA1ogbRE3RrMqqa2Ucv5Y4laxYAm+HJ3g2g3GsHriehSnGjTxfJveGm2woe rJVA== X-Gm-Message-State: AOAM531LHBWaBwN0t7cQQEqNx5cRO/SGjGAEfYOTRtfgtrnp2BfN+M0p xy9vsPVi/SWWoMKsfnT9bXM1aA== X-Google-Smtp-Source: ABdhPJxTqNZ/hzJwrwREs7O1h5n00wULbV3F6fZz2PcHNcdzyMzHzFibUkI/V1L+nt27wa3ZLgDliQ== X-Received: by 2002:a19:ee14:: with SMTP id g20mr2189420lfb.378.1603320668861; Wed, 21 Oct 2020 15:51:08 -0700 (PDT) Received: from eriador.lan ([188.162.64.195]) by smtp.gmail.com with ESMTPSA id h11sm652062ljc.21.2020.10.21.15.51.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Oct 2020 15:51:08 -0700 (PDT) From: Dmitry Baryshkov To: Bjorn Andersson , Pavel Machek , Dan Murphy Cc: Rob Herring , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 2/5] leds: qcom-lpg: add support for pm8150[bl] leds Date: Thu, 22 Oct 2020 01:50:57 +0300 Message-Id: <20201021225100.162795-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201021225100.162795-1-dmitry.baryshkov@linaro.org> References: <20201021225100.162795-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add support for the LPG/PWM block found on newer PMICs: PM8150B and PM8150A/L. Signed-off-by: Dmitry Baryshkov --- drivers/leds/leds-qcom-lpg.c | 68 ++++++++++++++++++++++++++++++++---- 1 file changed, 61 insertions(+), 7 deletions(-) diff --git a/drivers/leds/leds-qcom-lpg.c b/drivers/leds/leds-qcom-lpg.c index 86131a65d2c5..4d24e0c973d6 100644 --- a/drivers/leds/leds-qcom-lpg.c +++ b/drivers/leds/leds-qcom-lpg.c @@ -48,6 +48,8 @@ struct lpg_data; * @lut_bitmap: allocation bitmap for LUT entries * @triled_base: base address of the TRILED block (optional) * @triled_src: power-source for the TRILED + * @triled_no_atc_ctl: true if there is no TRI_LED_ATC_CTL register + * @triled_no_src_sel: true if there is no TRI_LED_SRC_SEL register * @channels: list of PWM channels * @num_channels: number of @channels */ @@ -65,6 +67,8 @@ struct lpg { u32 triled_base; u32 triled_src; + bool triled_no_atc_ctl; + bool triled_no_src_sel; struct lpg_channel *channels; unsigned int num_channels; @@ -165,6 +169,8 @@ struct lpg_channel_data { * @lut_base: base address of LUT block * @lut_size: number of entries in LUT * @triled_base: base address of TRILED + * @triled_no_atc_ctl: true if there is no TRI_LED_ATC_CTL register + * @triled_no_src_sel: true if there is no TRI_LED_SRC_SEL register * @pwm_9bit_mask: bitmask for switching from 6bit to 9bit pwm * @num_channels: number of channels in LPG * @channels: list of channel initialization data @@ -173,6 +179,8 @@ struct lpg_data { unsigned int lut_base; unsigned int lut_size; unsigned int triled_base; + bool triled_no_atc_ctl; + bool triled_no_src_sel; unsigned int pwm_9bit_mask; int num_channels; struct lpg_channel_data *channels; @@ -986,18 +994,24 @@ static int lpg_init_triled(struct lpg *lpg) return 0; lpg->triled_base = lpg->data->triled_base; - - ret = of_property_read_u32(np, "qcom,power-source", &lpg->triled_src); - if (ret || lpg->triled_src == 2 || lpg->triled_src > 3) { - dev_err(lpg->dev, "invalid power source\n"); - return -EINVAL; + lpg->triled_no_atc_ctl = lpg->data->triled_no_atc_ctl; + lpg->triled_no_src_sel = lpg->data->triled_no_src_sel; + + if (!lpg->triled_no_src_sel) { + ret = of_property_read_u32(np, "qcom,power-source", &lpg->triled_src); + if (ret || lpg->triled_src == 2 || lpg->triled_src > 3) { + dev_err(lpg->dev, "invalid power source\n"); + return -EINVAL; + } } /* Disable automatic trickle charge LED */ - regmap_write(lpg->map, lpg->triled_base + TRI_LED_ATC_CTL, 0); + if (!lpg->triled_no_atc_ctl) + regmap_write(lpg->map, lpg->triled_base + TRI_LED_ATC_CTL, 0); /* Configure power source */ - regmap_write(lpg->map, lpg->triled_base + TRI_LED_SRC_SEL, lpg->triled_src); + if (!lpg->triled_no_src_sel) + regmap_write(lpg->map, lpg->triled_base + TRI_LED_SRC_SEL, lpg->triled_src); /* Default all outputs to off */ regmap_write(lpg->map, lpg->triled_base + TRI_LED_EN_CTL, 0); @@ -1166,12 +1180,52 @@ static const struct lpg_data pmi8998_lpg_data = { }, }; +static const struct lpg_data pm8150b_lpg_data = { + .lut_base = 0xb000, + .lut_size = 49, + + .triled_base = 0xd000, + .triled_no_atc_ctl = true, + .triled_no_src_sel = true, + + .pwm_9bit_mask = BIT(4), + + .num_channels = 2, + .channels = (struct lpg_channel_data[]) { + { .base = 0xb100, .triled_mask = BIT(7) }, + { .base = 0xb200, .triled_mask = BIT(6) }, + }, +}; + +static const struct lpg_data pm8150l_lpg_data = { + .lut_base = 0xb000, + .lut_size = 49, + + .triled_base = 0xd000, + .triled_no_atc_ctl = true, + .triled_no_src_sel = true, + + .pwm_9bit_mask = BIT(4), + + .num_channels = 5, + .channels = (struct lpg_channel_data[]) { + { .base = 0xb100, .triled_mask = BIT(7) }, + { .base = 0xb200, .triled_mask = BIT(6) }, + { .base = 0xb300, .triled_mask = BIT(5) }, + { .base = 0xbc00 }, + { .base = 0xbd00 }, + + }, +}; + static const struct of_device_id lpg_of_table[] = { { .compatible = "qcom,pm8916-pwm", .data = &pm8916_pwm_data }, { .compatible = "qcom,pm8941-lpg", .data = &pm8941_lpg_data }, { .compatible = "qcom,pm8994-lpg", .data = &pm8994_lpg_data }, { .compatible = "qcom,pmi8994-lpg", .data = &pmi8994_lpg_data }, { .compatible = "qcom,pmi8998-lpg", .data = &pmi8998_lpg_data }, + { .compatible = "qcom,pm8150b-lpg", .data = &pm8150b_lpg_data }, + { .compatible = "qcom,pm8150l-lpg", .data = &pm8150l_lpg_data }, {} }; MODULE_DEVICE_TABLE(of, lpg_of_table);