kernel/linux.git/include/linux/gpio/regmap.h, branch v7.3-rc1

gpio: regmap: Add IRQ enable/disable helpers

2026-07-30T09:05:07+00:00

Add gpio_regmap_enable_irq() and gpio_regmap_disable_irq(). Since struct gpio_regmap is opaque, drivers cannot access the embedded gpio_chip directly. Reviewed-by: Michael Walle Reviewed-by: Andy Shevchenko Reviewed-by: Linus Walleij Suggested-by: Andy Shevchenko Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-9-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Add set_config callback

2026-07-30T09:05:07+00:00

Add a new set_config callback to allow drivers to implement hardware-specific configuration such as debounce settings, or other platform-specific GPIO properties. Reviewed-by: Michael Walle Reviewed-by: Linus Walleij Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-8-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Add value_xlate callback

2026-07-30T09:05:07+00:00

Introduce a new optional 'value_xlate' callback. This routine allows drivers to translate or modify the register value and mask immediately before a write operation. It is particularly useful for hardware that requires additional control bits, such as a write-enable bit, to be appended to the data dynamically. Reviewed-by: Michael Walle Reviewed-by: Linus Walleij Suggested-by: Michael Walle Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-7-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Add gpio_regmap_operation to extend reg_mask_xlate callback

2026-07-30T09:05:06+00:00

Extend the reg_mask_xlate callback with an operation type parameter (enum gpio_regmap_operation) to allow drivers to return different register/mask combinations depending on the specific GPIO operation. Consequently, update all existing drivers utilizing the gpio-regmap framework (across drivers/gpio, drivers/iio, and drivers/pinctrl) to accommodate the new reg_mask_xlate function signature. Acked-by: William Breathitt Gray Acked-by: Jonathan Cameron #for-iio Suggested-by: Linus Walleij Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-6-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Order kernel-doc descriptions with the actual appearance

2026-07-30T09:05:06+00:00

Order kernel-doc descriptions with the actual appearance. Reviewed-by: Michael Walle Reviewed-by: Linus Walleij Signed-off-by: Andy Shevchenko Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-5-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Provide default IRQ resource request and release callbacks

2026-07-30T09:05:05+00:00

When GPIO regmap based driver supplies its own IRQ domain, it might still want to keep track of the IRQ requests and releases, in particular to prevent a GPIO, which is used and locked as IRQ, to be requested via standard ways. Provide default callbacks for such cases and keep struct gpio_chip private to GPIO regmap implementation. Reviewed-by: Michael Walle Reviewed-by: Linus Walleij Signed-off-by: Andy Shevchenko Signed-off-by: Yu-Chun Lin Link: https://patch.msgid.link/20260726125209.140307-3-eleanor.lin@realtek.com Signed-off-by: Bartosz Golaszewski

gpio: regmap: Support sparsed fixed direction

2026-05-12T09:54:17+00:00

On some regmapped GPIOs apparently only a sparser selection of the lines (not all) are actually fixed direction. Support this situation by adding an optional bitmap indicating which GPIOs are actually fixed direction and which are not. Link: https://lore.kernel.org/linux-gpio/20260501155421.3329862-10-elder@riscstar.com/ Tested-by: Alex Elder Signed-off-by: Linus Walleij Reviewed-by: Michael Walle Reviewed-by: Alex Elder Link: https://patch.msgid.link/20260511-regmap-gpio-sparse-fixed-dir-v3-1-1429ec453be7@kernel.org Signed-off-by: Bartosz Golaszewski

gpio: regmap: fix kernel-doc notation

2025-11-28T11:58:05+00:00

Add a ':' to the end of struct member names to prevent kernel-doc warnings: Warning: include/linux/gpio/regmap.h:108 struct member 'regmap_irq_line' not described in 'gpio_regmap_config' Warning: include/linux/gpio/regmap.h:108 struct member 'regmap_irq_flags' not described in 'gpio_regmap_config' Fixes: 553b75d4bfe9 ("gpio: regmap: Allow to allocate regmap-irq device") Signed-off-by: Randy Dunlap Reviewed-by: Michael Walle Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20251128062739.845403-1-rdunlap@infradead.org Signed-off-by: Bartosz Golaszewski

gpio: regmap: add the .fixed_direction_output configuration parameter

2025-10-16T10:04:47+00:00

There are GPIO controllers such as the one present in the LX2160ARDB QIXIS FPGA which have fixed-direction input and output GPIO lines mixed together in a single register. This cannot be modeled using the gpio-regmap as-is since there is no way to present the true direction of a GPIO line. In order to make this use case possible, add a new configuration parameter - fixed_direction_output - into the gpio_regmap_config structure. This will enable user drivers to provide a bitmap that represents the fixed direction of the GPIO lines. Signed-off-by: Ioana Ciornei Acked-by: Bartosz Golaszewski Reviewed-by: Michael Walle Signed-off-by: Bartosz Golaszewski

gpio: regmap: Allow to provide init_valid_mask callback

2025-09-16T14:24:48+00:00

Allows to populate the gpio_regmap_config structure with init_valid_mask() callback to set on the final gpio_chip structure. Reviewed-by: Michael Walle Reviewed-by: Andy Shevchenko Reviewed-by: Linus Walleij Reviewed-by: Bartosz Golaszewski Signed-off-by: Mathieu Dubois-Briand Link: https://lore.kernel.org/r/20250824-mdb-max7360-support-v14-6-435cfda2b1ea@bootlin.com Signed-off-by: Lee Jones