From mboxrd@z Thu Jan 1 00:00:00 1970 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 D727934D387; Fri, 31 Oct 2025 14:02:54 +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=1761919374; cv=none; b=t9/hiT5IpW4+kLqUtiZts1vJfeV8ku/ISLZQAjo3clGF/ds+CFdi9GIdIAPxOFboSzFiD92M2tiB2k2YZO/axPNvvV+3thfX8o4+f/Sdutkf9VVKTfsF/NVzL5Igd0g+fOZa31u4UGYlcTZ9LZHpAcS0sS+i7Orx+Il+d9NxRHU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761919374; c=relaxed/simple; bh=VGhcMCfOQjbLdcBCOH71AOtkwKq8S+do+bBv5nmT01g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RHQhMtp/1aHt9HXyGGJ0huenFfqd8VBfJabpi6S3MugAwSMdT+c5lp380kMY/l6yw1vkALGwTXBPFQ2SR2fevjh4FLmEMgRcufYNlcnQlGusBN9yFcPVZrNYAGV8zsJxIb4TeNCriGSAxQ34ifCfIP/zvDcf3QndHxj6JvhTkGE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YBt/a7WR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YBt/a7WR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 601F5C4CEE7; Fri, 31 Oct 2025 14:02:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1761919374; bh=VGhcMCfOQjbLdcBCOH71AOtkwKq8S+do+bBv5nmT01g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YBt/a7WRMoincmZ0oh4F7Ms4G+5oXkJ1qpqPMEF3Tf1/bv9DrVFiPNKMsosUU3Un+ wqRHVevdMpSXErlIIQJ1CHmLBQVNWjLWCQGvpf0ymFjEAeAmZ06SqkLnsxxPY8mmhq b916zTikQ/JROoB7SfVDGz8Hw971gu5rJ+JxqZx0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andy Shevchenko , Bartosz Golaszewski , Mathieu Dubois-Briand , Lee Jones , William Breathitt Gray Subject: [PATCH 6.6 30/32] gpio: regmap: Allow to allocate regmap-irq device Date: Fri, 31 Oct 2025 15:01:24 +0100 Message-ID: <20251031140043.181824580@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251031140042.387255981@linuxfoundation.org> References: <20251031140042.387255981@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathieu Dubois-Briand [ Upstream commit 553b75d4bfe9264f631d459fe9996744e0672b0e ] 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 Link: https://lore.kernel.org/r/20250824-mdb-max7360-support-v14-5-435cfda2b1ea@bootlin.com Signed-off-by: Lee Jones Stable-dep-of: 2ba5772e530f ("gpio: idio-16: Define fixed direction of the GPIO lines") Signed-off-by: William Breathitt Gray Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-regmap.c | 29 +++++++++++++++++++++++++++-- include/linux/gpio/regmap.h | 11 +++++++++++ 2 files changed, 38 insertions(+), 2 deletions(-) --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -30,6 +30,11 @@ struct gpio_regmap { unsigned int reg_dir_in_base; unsigned int reg_dir_out_base; +#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); @@ -203,6 +208,7 @@ EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdat */ 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; @@ -278,8 +284,22 @@ struct gpio_regmap *gpio_regmap_register if (ret < 0) goto err_free_gpio; - if (config->irq_domain) { - ret = gpiochip_irqchip_add_domain(chip, config->irq_domain); +#ifdef CONFIG_REGMAP_IRQ + if (config->regmap_irq_chip) { + gpio->regmap_irq_line = config->regmap_irq_line; + ret = regmap_add_irq_chip_fwnode(dev_fwnode(config->parent), config->regmap, + 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 = regmap_irq_get_domain(gpio->irq_chip_data); + } else +#endif + irq_domain = config->irq_domain; + + if (irq_domain) { + ret = gpiochip_irqchip_add_domain(chip, irq_domain); if (ret) goto err_remove_gpiochip; } @@ -300,6 +320,11 @@ 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); } --- 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 interrupts. + * @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; +#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);