From patchwork Wed Sep 11 19:50:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 827527 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E97D617DFFC; Wed, 11 Sep 2024 19:51:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726084274; cv=none; b=kiGKVQAwtGhwrO+XaTg+kKMbx5JpjRJN1OA/qsuMFtBGancUpBf++luXFRiBxGdFZzuiqus8Soq9FNfiCcwQOiRkVX9JBDA6F7R3fVNUQwA+An8vATtFVgMfjeZe+kx/YlEtWQOtTVd+KIAvZO4j/JkGCk4jFh3rhvsBOFTW4Ws= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726084274; c=relaxed/simple; bh=uTnLq6mgxfCu8fXAVFjIpMyL+iKn9WrfpqJ11Eh10D8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nF9n8NkekGLI9H252iy0Rp63mCFzLcaLWxma3FFgZivBpoI7N0pYDA2P24CTLvtweAOFtZ9LGVAc+0KhA+K7xFEwCjtf/W9yHbKOylcmaHBO1vXPvvSfV4BLf4edb3qpAeLFQDwUEywWB6m9Y1UdtYo8Tw/U5hbIzVrPpErl/h4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cZB6o2yt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cZB6o2yt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 136ECC4CEC0; Wed, 11 Sep 2024 19:51:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726084273; bh=uTnLq6mgxfCu8fXAVFjIpMyL+iKn9WrfpqJ11Eh10D8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cZB6o2yt9BdHmyd2DmWN8VywY0+/Sxx7J5YnpwuxdLzii6EJEfEmQ0AkBlYdFEU9Z gCZiz7/BqhnqhuJ63Zx36IBhr69cvE4kdPiOOSZuYftLIPVb36D96c5kZXsH06YhO6 RRVzL24sknQR1eBJg2g1hK+pwcAwx1MSBOkM8KHbsODyyHnldPJgJL5CZ9qx69d2DH PbQko1rWaN4t82Jy2/khNeH17HLMvezLOb2IW5VMQGz7clx0xifzkJSKzVX0MpS3La BMZ5pUMcjQQZ+I9PXCgF1pGWhdFKBt0sgp3gfVs8TEFSfPPAVZKauPhPJugv0ouSUO +b9mteTVdy2uw== From: Lorenzo Bianconi Date: Wed, 11 Sep 2024 21:50:03 +0200 Subject: [PATCH v4 3/5] mfd: airoha: Add support for Airoha EN7581 MFD Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240911-en7581-pinctrl-v4-3-60ac93d760bb@kernel.org> References: <20240911-en7581-pinctrl-v4-0-60ac93d760bb@kernel.org> In-Reply-To: <20240911-en7581-pinctrl-v4-0-60ac93d760bb@kernel.org> To: Lorenzo Bianconi , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, upstream@airoha.com, benjamin.larsson@genexis.eu, ansuelsmth@gmail.com, linux-pwm@vger.kernel.org X-Mailer: b4 0.14.1 From: Christian Marangi Support for Airoha EN7581 Multi Function Device that expose PINCTRL functionality and PWM functionality. Signed-off-by: Christian Marangi --- drivers/mfd/Kconfig | 8 ++++ drivers/mfd/Makefile | 2 + drivers/mfd/airoha-en7581-gpio-mfd.c | 72 +++++++++++++++++++++++++++++++++++ include/linux/mfd/airoha-en7581-mfd.h | 9 +++++ 4 files changed, 91 insertions(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index bc8be2e593b6..c690378066ac 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -20,6 +20,14 @@ config MFD_CS5535 This is the core driver for CS5535/CS5536 MFD functions. This is necessary for using the board's GPIO and MFGPT functionality. +config MFD_AIROHA_EN7581 + bool "Airoha EN7581 Multi Function Device" + depends on (ARCH_AIROHA || COMPILE_TEST) && OF + select MFD_CORE + help + Support for Airoha EN7581 Multi Function Device that + expose PINCTRL functionality and PWM functionality. + config MFD_ALTERA_A10SR bool "Altera Arria10 DevKit System Resource chip" depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 02b651cd7535..075dbff618e0 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -256,6 +256,8 @@ obj-$(CONFIG_INTEL_SOC_PMIC_CHTWC) += intel_soc_pmic_chtwc.o obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI) += intel_soc_pmic_chtdc_ti.o obj-$(CONFIG_INTEL_SOC_PMIC_MRFLD) += intel_soc_pmic_mrfld.o +obj-$(CONFIG_MFD_AIROHA_EN7581) += airoha-en7581-gpio-mfd.o + obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o obj-$(CONFIG_MFD_ALTERA_SYSMGR) += altera-sysmgr.o obj-$(CONFIG_MFD_STPMIC1) += stpmic1.o diff --git a/drivers/mfd/airoha-en7581-gpio-mfd.c b/drivers/mfd/airoha-en7581-gpio-mfd.c new file mode 100644 index 000000000000..88407ce5747e --- /dev/null +++ b/drivers/mfd/airoha-en7581-gpio-mfd.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * MFD driver for Airoha EN7581 + */ + +#include +#include +#include +#include +#include + +static struct resource airoha_mfd_pinctrl_intr[] = { + { + .flags = IORESOURCE_IRQ, + }, +}; + +static const struct mfd_cell airoha_mfd_devs[] = { + { + .name = "pinctrl-airoha", + .resources = airoha_mfd_pinctrl_intr, + .num_resources = ARRAY_SIZE(airoha_mfd_pinctrl_intr), + }, { + .name = "pwm-airoha", + }, +}; + +static int airoha_mfd_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct airoha_mfd *mfd; + int irq; + + mfd = devm_kzalloc(dev, sizeof(*mfd), GFP_KERNEL); + if (!mfd) + return -ENOMEM; + + platform_set_drvdata(pdev, mfd); + + mfd->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(mfd->base)) + return PTR_ERR(mfd->base); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + airoha_mfd_pinctrl_intr[0].start = irq; + airoha_mfd_pinctrl_intr[0].end = irq; + + return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, airoha_mfd_devs, + ARRAY_SIZE(airoha_mfd_devs), NULL, 0, + NULL); +} + +static const struct of_device_id airoha_mfd_of_match[] = { + { .compatible = "airoha,en7581-gpio-sysctl" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, airoha_mfd_of_match); + +static struct platform_driver airoha_mfd_driver = { + .probe = airoha_mfd_probe, + .driver = { + .name = KBUILD_MODNAME, + .of_match_table = airoha_mfd_of_match, + }, +}; +module_platform_driver(airoha_mfd_driver); + +MODULE_AUTHOR("Christian Marangi "); +MODULE_DESCRIPTION("Driver for Airoha EN7581 MFD"); diff --git a/include/linux/mfd/airoha-en7581-mfd.h b/include/linux/mfd/airoha-en7581-mfd.h new file mode 100644 index 000000000000..25e73952a777 --- /dev/null +++ b/include/linux/mfd/airoha-en7581-mfd.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_INCLUDE_MFD_AIROHA_EN7581_MFD_H_ +#define _LINUX_INCLUDE_MFD_AIROHA_EN7581_MFD_H_ + +struct airoha_mfd { + void __iomem *base; +}; + +#endif /* _LINUX_INCLUDE_MFD_AIROHA_EN7581_MFD_H_ */