From 9d2327c5f1ac63cb14af088a95eba110ab0c473e Mon Sep 17 00:00:00 2001 From: Markus Stockhausen Date: Wed, 7 May 2025 09:47:24 -0400 Subject: [PATCH] realtek: add i2c-gpio-shared driver Adds the Kconfig and Makefile settings to make the new driver available. Signed-off-by: Markus Stockhausen --- drivers/i2c/busses/Kconfig | 9 +++++++++ drivers/i2c/busses/Makefile | 1 + 2 files changed, 10 insertions(+) --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -683,6 +683,15 @@ config I2C_GPIO This is a very simple bitbanging I2C driver utilizing the arch-neutral GPIO API to control the SCL and SDA lines. +config I2C_GPIO_SHARED + tristate "multiple GPIO-based bitbanging I2C with shared SCL" + depends on GPIOLIB || COMPILE_TEST + select I2C_ALGOBIT + help + This is an alternative of the I2C GPIO driver for devices with only + few GPIO pins where multiple busses with dedicated SDA lines share + a single SCL line. + config I2C_GPIO_FAULT_INJECTOR bool "GPIO-based fault injector" depends on I2C_GPIO --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -67,6 +67,7 @@ obj-$(CONFIG_I2C_EG20T) += i2c-eg20t.o obj-$(CONFIG_I2C_EMEV2) += i2c-emev2.o obj-$(CONFIG_I2C_EXYNOS5) += i2c-exynos5.o obj-$(CONFIG_I2C_GPIO) += i2c-gpio.o +obj-$(CONFIG_I2C_GPIO_SHARED) += i2c-gpio-shared.o obj-$(CONFIG_I2C_HIGHLANDER) += i2c-highlander.o obj-$(CONFIG_I2C_HISI) += i2c-hisi.o obj-$(CONFIG_I2C_HIX5HD2) += i2c-hix5hd2.o