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gpio: max77759: Add Maxim MAX77759 gpio driver

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The Maxim MAX77759 is a companion PMIC for USB Type-C applications and
includes Battery Charger, Fuel Gauge, temperature sensors, USB Type-C
Port Controller (TCPC), NVMEM, and a GPIO expander.

This driver supports the GPIO functions using the platform device
registered by the core MFD driver.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250509-max77759-mfd-v10-2-962ac15ee3ef@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
André Draszik
2025-05-09 15:23:01 +01:00
committed by Lee Jones
parent bb71e40db1
commit 89a796b950
4 changed files with 545 additions and 0 deletions
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MAINTAINERS
+1
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@@ -14580,6 +14580,7 @@ M: André Draszik <andre.draszik@linaro.org>
L: linux-kernel@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/*/maxim,max77759*.yaml
F: drivers/gpio/gpio-max77759.c
F: drivers/mfd/max77759.c
F: include/linux/mfd/max77759.h
drivers/gpio/Kconfig
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@@ -1463,6 +1463,19 @@ config GPIO_MAX77650
GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor.
These chips have a single pin that can be configured as GPIO.
config GPIO_MAX77759
tristate "Maxim Integrated MAX77759 GPIO support"
depends on MFD_MAX77759
default MFD_MAX77759
select GPIOLIB_IRQCHIP
help
GPIO driver for MAX77759 PMIC from Maxim Integrated.
There are two GPIOs available on these chips in total, both of
which can also generate interrupts.
This driver can also be built as a module. If so, the module will be
called gpio-max77759.
config GPIO_PALMAS
bool "TI PALMAS series PMICs GPIO"
depends on MFD_PALMAS
drivers/gpio/Makefile
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@@ -105,6 +105,7 @@ obj-$(CONFIG_GPIO_MAX730X) += gpio-max730x.o
obj-$(CONFIG_GPIO_MAX732X) += gpio-max732x.o
obj-$(CONFIG_GPIO_MAX77620) += gpio-max77620.o
obj-$(CONFIG_GPIO_MAX77650) += gpio-max77650.o
obj-$(CONFIG_GPIO_MAX77759) += gpio-max77759.o
obj-$(CONFIG_GPIO_MB86S7X) += gpio-mb86s7x.o
obj-$(CONFIG_GPIO_MC33880) += gpio-mc33880.o
obj-$(CONFIG_GPIO_MENZ127) += gpio-menz127.o
drivers/gpio/gpio-max77759.c
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