From patchwork Fri Feb 14 11:49:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Dubois-Briand X-Patchwork-Id: 865200 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (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 6AE26263F2E; Fri, 14 Feb 2025 11:50:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739533824; cv=none; b=DJaAl0vqHO+A/RB7gVlz2qUtKOCVk8WksqHpIAa4WpBgji5Uyv/+oABB4PUlL54hwr9GWBiKk/FcK3YFNjzj3Rt1jjTqVPHdrB/VuBXRFPEsSt8TIQWnhMu1ouR51ZSU4KjFFmxP4sOZ3JjWoypa/eaI1r8RXx5HADbhDmyRINg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739533824; c=relaxed/simple; bh=RACglYSaKk38UOV2H+jm6GJa3jpL0WJBtuPusm0yxSg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nlG8MNRJ7SvI9HrUB1lWK2axlLmLIN3XmXRozfuGOls+YVFOcAKbWWjZhKxpnilzzfO5f84Y58/fLzVRP8/f2xswuEoe5vps4/5YxmMdTcRMQOdBfeKcKGP/Ze4MJfrJAxVlJfz26enXVpQj7TJ2IO3gWa39Iy3fjfztsK4l8fA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=QPP1kn/O; arc=none smtp.client-ip=217.70.183.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="QPP1kn/O" Received: by mail.gandi.net (Postfix) with ESMTPSA id 97427442E0; Fri, 14 Feb 2025 11:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1739533814; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mOp6v2Ru6Y06CuRpAEPXOFL6ll0w0HhqmA5LgQKfTVU=; b=QPP1kn/OkSeUFxayYEB6SsGSDpzdTyUG3yO3yFj7BnNuUSqgiWF9Phl8qZD0IV6cmF6sGn fHSIhtIJkyRmOha1MQtLO8zEGAUBee9Kcc6yk5ye814Zza5dRKARr3seA+e/ypS4PkMiTZ EptJFEcBiSb8uHXq1GNtD2xSNzjEjTjWx99e40lNVnXEOoerlTLV1cPGlKxsqC2cBxA0Jv JsXmdNwg7FveYOei3rLwog0Cl1Elhzl2H4UsO+tV+U2CmeF8oSIouSWb/6jPbyqojP7+qw PKQF1gBnH4fdd8/OEEGv9ULKDohLLr6bnQc77hqXTbS6zlCPxUXFOpdj99lDJA== From: Mathieu Dubois-Briand Date: Fri, 14 Feb 2025 12:49:54 +0100 Subject: [PATCH v4 04/10] gpio: regmap: Allow to provide request and free callbacks Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250214-mdb-max7360-support-v4-4-8a35c6dbb966@bootlin.com> References: <20250214-mdb-max7360-support-v4-0-8a35c6dbb966@bootlin.com> In-Reply-To: <20250214-mdb-max7360-support-v4-0-8a35c6dbb966@bootlin.com> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kamel Bouhara , Linus Walleij , Bartosz Golaszewski , Dmitry Torokhov , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , Michael Walle , Mark Brown , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, linux-pwm@vger.kernel.org, andriy.shevchenko@intel.com, =?utf-8?q?Gr=C3=A9?= =?utf-8?q?gory_Clement?= , Thomas Petazzoni , Mathieu Dubois-Briand X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1739533806; l=2131; i=mathieu.dubois-briand@bootlin.com; s=20241219; h=from:subject:message-id; bh=RACglYSaKk38UOV2H+jm6GJa3jpL0WJBtuPusm0yxSg=; b=oje7y82KnEsmMhMkE2XtUgZhcjWPi5QYw/4g0u1gfSdllShmhkXWjcw+5uJrxvsV/6ax3sixB GjL7vy3dz3uCD5aLzXB6V+kKBEc/GnP+AuMt+dJyxXzIIL3mLrC9GHG X-Developer-Key: i=mathieu.dubois-briand@bootlin.com; a=ed25519; pk=1PVTmzPXfKvDwcPUzG0aqdGoKZJA3b9s+3DqRlm0Lww= X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdegleehjecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephfffufggtgfgkfhfjgfvvefosehtjeertdertdejnecuhfhrohhmpeforghthhhivghuucffuhgsohhishdquehrihgrnhguuceomhgrthhhihgvuhdrughusghoihhsqdgsrhhirghnugessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnheptdfhgeetvddvheejieehheehueetjeelkedtfeehhefgfeeglefhteegtddthfetnecukfhppedvrgdtudemtggsudegmeehheeimeejrgdttdemfehftghfmehfsgdtugemuddviedvmedvvgejieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudegmeehheeimeejrgdttdemfehftghfmehfsgdtugemuddviedvmedvvgejiedphhgvlhhopegluddvjedrtddruddrudgnpdhmrghilhhfrhhomhepmhgrthhhihgvuhdrughusghoihhsqdgsrhhirghnugessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepvdefpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepmhgrthhhihgvuhdrughusghoihhsqdgsrhhirghnugessghoohhtlhhinhdrt ghomhdprhgtphhtthhopehrrghfrggvlheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepghhrvghgohhrhidrtghlvghmvghnthessghoohhtlhhinhdrtghomhdprhgtphhtthhopegurghkrheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepthhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhmpdhrtghpthhtohepsghrghhlsegsghguvghvrdhplhdprhgtphhtthhopehlihhnuhigqdhgphhiohesvhhgvghrrdhkvghrnhgvlhdrohhrgh X-GND-Sasl: mathieu.dubois-briand@bootlin.com Allows to populate the gpio_regmap_config structure with request() and free() callbacks to set on the final gpio_chip structure. Signed-off-by: Mathieu Dubois-Briand --- drivers/gpio/gpio-regmap.c | 2 ++ include/linux/gpio/regmap.h | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c index 05f8781b5204..ba72c23bcf97 100644 --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -261,6 +261,8 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config chip->names = config->names; chip->label = config->label ?: dev_name(config->parent); chip->can_sleep = regmap_might_sleep(config->regmap); + chip->request = config->request; + chip->free = config->free; chip->request = gpiochip_generic_request; chip->free = gpiochip_generic_free; diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h index a9f7b7faf57b..16f0c33df75d 100644 --- a/include/linux/gpio/regmap.h +++ b/include/linux/gpio/regmap.h @@ -6,6 +6,7 @@ struct device; struct fwnode_handle; struct gpio_regmap; +struct gpio_chip; struct irq_domain; struct regmap; @@ -40,6 +41,10 @@ struct regmap; * @drvdata: (Optional) Pointer to driver specific data which is * not used by gpio-remap but is provided "as is" to the * driver callback(s). + * @request: (Optional) Hook for chip-specific activation, such as + * enabling module power and clock + * @free: (Optional) Hook for chip-specific deactivation, such as + * disabling module power and clock * * The ->reg_mask_xlate translates a given base address and GPIO offset to * register and mask pair. The base address is one of the given register @@ -83,6 +88,8 @@ struct gpio_regmap_config { unsigned int *mask); void *drvdata; + int (*request)(struct gpio_chip *gc, unsigned int offset); + void (*free)(struct gpio_chip *gc, unsigned int offset); }; struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config);