From nobody Sun Oct 5 03:38:31 2025 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) (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 BD7CA274FE0; Mon, 11 Aug 2025 10:47:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754909227; cv=none; b=folu2E+xY0GT918egf5H2P8cbVls/v0JD2n2KfTdwRYH3JuhzJ8cV+WlNqkV7BMQ6PjS/FDMx+udFUJSzNTtc8ys+nw+XO/eKiE0YswBW/EHJzoRyDOEzn+zNpW0Qz6zkGloHwsCLOlrz31f16wIlcKq8xJnWajYlUbhpuhHy0s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754909227; c=relaxed/simple; bh=GI6EEwiaCxoQ0CfeJpmOMrDgX7dL9Npnw2htYukp1Qg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Rb3i9h9S6uqYWYXk7K4OMg1oWSbcD8VDi3+llu30Qbb0/ju/x0MisGl66PXkJgDTIuI7gPfoncG9RKEv4oUYoVIhBhkG3KGnCPJrEC4jO9ZAB3xsES/jrdxp3vgaBD7VHMxwsXkgO2w525ZaSUXsFaEyv+iFHH8KJsbtivjaRJQ= 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=VzL+S+li; arc=none smtp.client-ip=217.70.183.194 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="VzL+S+li" Received: by mail.gandi.net (Postfix) with ESMTPSA id 78DAB438A0; Mon, 11 Aug 2025 10:46:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1754909216; 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=c8ATT8p3q1I3R9dnhjH56Ixk6yh3ilCPWov9z+gTEbs=; b=VzL+S+liK6OY7R9KrTdK0pYEpgb6dF/+1WX98t3m3PdDm36FRza5jbwPmYd3P6nz4kZsSp JzBFwacNKIu71JT1aD+S4r+1OjA00DatG25o9DqXTSimCN87iCfXwTbaSSe7INnmRe23Iy 6fjrbi0GntviBAOqqORRyg+E0jrvyAxsS7sqYExytdnWS83vt5d8cSqzsekLM5F6DexmXC 5mO2dhLotzoWPGXCOvJNW286V8iihj/0Ow7inS430UpaaL7pW5ZVi3sP4x0AJNagdbPt3j Ihot9iwWz8LUcFfDbHV6RfJylPShKvUsXSHlTn3N8cZoHp0UXs1upxwDVwoypg== From: Mathieu Dubois-Briand Date: Mon, 11 Aug 2025 12:46:23 +0200 Subject: [PATCH v13 05/10] gpio: regmap: Allow to allocate regmap-irq device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250811-mdb-max7360-support-v13-5-e79fcabff386@bootlin.com> References: <20250811-mdb-max7360-support-v13-0-e79fcabff386@bootlin.com> In-Reply-To: <20250811-mdb-max7360-support-v13-0-e79fcabff386@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=B6nig?= , 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=A9gory_Clement?= , Thomas Petazzoni , Mathieu Dubois-Briand , Andy Shevchenko , Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1754909209; l=3757; i=mathieu.dubois-briand@bootlin.com; s=20241219; h=from:subject:message-id; bh=GI6EEwiaCxoQ0CfeJpmOMrDgX7dL9Npnw2htYukp1Qg=; b=ymcGGDletXKUOfdxo2uMtQBVrNJqwhCRqawcvnPwyZXUt1byOEgN92Ly7rsudTa3odQ8fgdDX CJp82+TQYWmDBjc7SNOX1pSl8BTok9tjJPjL0Jx4TJGtS8G+ZSP31AJ 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: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgddufedvvdehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepofgrthhhihgvuhcuffhusghoihhsqdeurhhirghnugcuoehmrghthhhivghurdguuhgsohhishdqsghrihgrnhgusegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpedthfegtedvvdehjeeiheehheeuteejleektdefheehgfefgeelhfetgedttdfhteenucfkphepvdgrtddumegtsgdugeemheehieemjegrtddtmeeffhgtfhemfhgstdgumeduvdeivdemvdgvjeeinecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemheehieemjegrtddtmeeffhgtfhemfhgstdgumeduvdeivdemvdgvjeeipdhhvghloheplgduvdejrddtrddurddungdpmhgrihhlfhhrohhmpehmrghthhhivghurdguuhgsohhishdqsghrihgrnhgusegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopedvhedprhgtphhtthhopegurghkrheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprghnughrihihrdhshhgvvhgthhgvnhhkoheslhhinhhugidrihhnthgvlhdrtghomhdprhgtphhtthhopehli hhnuhigqdhpfihmsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepuhhklhgvihhnvghksehkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhinhhpuhhtsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhushdrfigrlhhlvghijheslhhinhgrrhhordhorhhgpdhrtghpthhtohepghhrvghgohhrhidrtghlvghmvghnthessghoohhtlhhinhdrtghomh X-GND-Sasl: mathieu.dubois-briand@bootlin.com GPIO controller often have support for IRQ: allow to easily allocate both gpio-regmap and regmap-irq in one operation. Reviewed-by: Andy Shevchenko Acked-by: Bartosz Golaszewski Signed-off-by: Mathieu Dubois-Briand --- drivers/gpio/gpio-regmap.c | 29 +++++++++++++++++++++++++++-- include/linux/gpio/regmap.h | 11 +++++++++++ 2 files changed, 38 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c index e8a32dfebdcb..e1944931ee7c 100644 --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -32,6 +32,11 @@ struct gpio_regmap { unsigned int reg_dir_in_base; unsigned int reg_dir_out_base; =20 +#ifdef CONFIG_REGMAP_IRQ + int regmap_irq_line; + struct regmap_irq_chip_data *irq_chip_data; +#endif + int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base, unsigned int offset, unsigned int *reg, unsigned int *mask); @@ -215,6 +220,7 @@ EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdata); */ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *= config) { + struct irq_domain *irq_domain; struct gpio_regmap *gpio; struct gpio_chip *chip; int ret; @@ -295,8 +301,22 @@ struct gpio_regmap *gpio_regmap_register(const struct = gpio_regmap_config *config if (ret < 0) goto err_free_gpio; =20 - if (config->irq_domain) { - ret =3D gpiochip_irqchip_add_domain(chip, config->irq_domain); +#ifdef CONFIG_REGMAP_IRQ + if (config->regmap_irq_chip) { + gpio->regmap_irq_line =3D config->regmap_irq_line; + ret =3D regmap_add_irq_chip_fwnode(dev_fwnode(config->parent), config->r= egmap, + config->regmap_irq_line, config->regmap_irq_flags, + 0, config->regmap_irq_chip, &gpio->irq_chip_data); + if (ret) + goto err_free_gpio; + + irq_domain =3D regmap_irq_get_domain(gpio->irq_chip_data); + } else +#endif + irq_domain =3D config->irq_domain; + + if (irq_domain) { + ret =3D gpiochip_irqchip_add_domain(chip, irq_domain); if (ret) goto err_remove_gpiochip; } @@ -317,6 +337,11 @@ EXPORT_SYMBOL_GPL(gpio_regmap_register); */ void gpio_regmap_unregister(struct gpio_regmap *gpio) { +#ifdef CONFIG_REGMAP_IRQ + if (gpio->irq_chip_data) + regmap_del_irq_chip(gpio->regmap_irq_line, gpio->irq_chip_data); +#endif + gpiochip_remove(&gpio->gpio_chip); kfree(gpio); } diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h index c722c67668c6..19b52ac03a5d 100644 --- a/include/linux/gpio/regmap.h +++ b/include/linux/gpio/regmap.h @@ -40,6 +40,11 @@ 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). + * @regmap_irq_chip: (Optional) Pointer on an regmap_irq_chip structure. If + * set, a regmap-irq device will be created and the IRQ + * domain will be set accordingly. + * @regmap_irq_line (Optional) The IRQ the device uses to signal interrupt= s. + * @regmap_irq_flags (Optional) The IRQF_ flags to use for the interrupt. * * 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 @@ -78,6 +83,12 @@ struct gpio_regmap_config { int ngpio_per_reg; struct irq_domain *irq_domain; =20 +#ifdef CONFIG_REGMAP_IRQ + struct regmap_irq_chip *regmap_irq_chip; + int regmap_irq_line; + unsigned long regmap_irq_flags; +#endif + int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base, unsigned int offset, unsigned int *reg, unsigned int *mask); --=20 2.39.5