From 4ba9c3afda41213ec98c30053e32963892e6dc7c Mon Sep 17 00:00:00 2001 From: Sergio Paracuellos Date: Thu, 5 Jul 2018 15:43:10 +0200 Subject: gpio: mt7621: Add a driver for MT7621 Add driver support for gpio of MT7621 SoC. Signed-off-by: Sergio Paracuellos Reviewed-by: NeilBrown [Switched wording WIDTH to STRIDE] Signed-off-by: Linus Walleij --- drivers/gpio/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpio/Kconfig') diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 71c0ab46f216..836aa2173e44 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -359,6 +359,14 @@ config GPIO_MPC8XXX Say Y here if you're going to use hardware that connects to the MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. +config GPIO_MT7621 + bool "Mediatek MT7621 GPIO Support" + depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST + select GPIO_GENERIC + select GPIOLIB_IRQCHIP + help + Say yes here to support the Mediatek MT7621 SoC GPIO device + config GPIO_MVEBU def_bool y depends on PLAT_ORION || ARCH_MVEBU -- cgit v1.2.3 From 7a9a5df0a54e4b2a36a7984800d0a064b39fb3f8 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 10 Jul 2018 17:18:47 +0200 Subject: gpio: mt7621: add OF_GPIO dependency Compile-testing the driver fails unless OF_GPIO is enabled: drivers/gpio/gpio-mt7621.c: In function 'mediatek_gpio_bank_probe': drivers/gpio/gpio-mt7621.c:228:10: error: 'struct gpio_chip' has no member named 'of_node' Fixes: 4ba9c3afda41 ("gpio: mt7621: Add a driver for MT7621") Signed-off-by: Arnd Bergmann Signed-off-by: Linus Walleij --- drivers/gpio/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpio/Kconfig') diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 836aa2173e44..7429b30e61b0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -362,6 +362,7 @@ config GPIO_MPC8XXX config GPIO_MT7621 bool "Mediatek MT7621 GPIO Support" depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST + depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help -- cgit v1.2.3 From a5ec96ddfd55c501d451cb310566a1170c267ecb Mon Sep 17 00:00:00 2001 From: Leonid Bloch Date: Thu, 9 Aug 2018 01:26:36 +0300 Subject: gpio: it87: Add support for IT8613 This was tested on actual hardware and found to work fine, but currently the official specifications of this chip could not be obtained to confirm the numbers. Signed-off-by: Leonid Bloch Signed-off-by: Linus Walleij --- drivers/gpio/Kconfig | 3 ++- drivers/gpio/gpio-it87.c | 9 +++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers/gpio/Kconfig') diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 7429b30e61b0..f7a0f576f918 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -693,7 +693,8 @@ config GPIO_IT87 Say yes here to support GPIO functionality of IT87xx Super I/O chips. This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and - supports the IT8761E, IT8620E and IT8628E Super I/O chip as well. + supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as + well. To compile this driver as a module, choose M here: the module will be called gpio_it87 diff --git a/drivers/gpio/gpio-it87.c b/drivers/gpio/gpio-it87.c index d34f517fdd44..389ecd8b7d26 100644 --- a/drivers/gpio/gpio-it87.c +++ b/drivers/gpio/gpio-it87.c @@ -35,6 +35,7 @@ /* Chip Id numbers */ #define NO_DEV_ID 0xffff +#define IT8613_ID 0x8613 #define IT8620_ID 0x8620 #define IT8628_ID 0x8628 #define IT8718_ID 0x8718 @@ -308,6 +309,14 @@ static int __init it87_gpio_init(void) it87_gpio->chip = it87_template_chip; switch (chip_type) { + case IT8613_ID: + gpio_ba_reg = 0x62; + it87_gpio->io_size = 8; /* it8613 only needs 6, use 8 for alignment */ + it87_gpio->output_base = 0xc8; + it87_gpio->simple_base = 0xc0; + it87_gpio->simple_size = 6; + it87_gpio->chip.ngpio = 64; /* has 48, use 64 for convenient calc */ + break; case IT8620_ID: case IT8628_ID: gpio_ba_reg = 0x62; -- cgit v1.2.3