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SubjectRe: [v1, 1/1] gpio: dts: aspeed: Add SGPIO driver
wt., 24 wrz 2019 o 21:07 Hongwei Zhang <hongweiz@ami.com> napisał(a):
>
> Add SGPIO driver support for Aspeed AST2500 SoC.
>
> Signed-off-by: Hongwei Zhang <hongweiz@ami.com>
> ---
> arch/arm/Kconfig | 2 ++
> arch/arm/boot/dts/aspeed-g5.dtsi | 16 +++++++++++++++-
> drivers/gpio/Kconfig | 8 ++++++++
> drivers/gpio/Makefile | 1 +
> 4 files changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 2436021..c9f08ab 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1460,6 +1460,8 @@ config ARCH_NR_GPIO
> default 416 if ARCH_SUNXI
> default 392 if ARCH_U8500
> default 352 if ARCH_VT8500
> + default 312 if MACH_ASPEED_G5
> + default 304 if MACH_ASPEED_G4
> default 288 if ARCH_ROCKCHIP
> default 264 if MACH_H4700
> default 0
> diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
> index 00f05bd..85da7ea 100644
> --- a/arch/arm/boot/dts/aspeed-g5.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
> @@ -311,7 +311,7 @@
> #gpio-cells = <2>;
> gpio-controller;
> compatible = "aspeed,ast2500-gpio";
> - reg = <0x1e780000 0x1000>;
> + reg = <0x1e780000 0x200>;
> interrupts = <20>;
> gpio-ranges = <&pinctrl 0 0 232>;
> clocks = <&syscon ASPEED_CLK_APB>;
> @@ -319,6 +319,20 @@
> #interrupt-cells = <2>;
> };
>
> + sgpio: sgpio@1e780200 {
> + #gpio-cells = <2>;
> + compatible = "aspeed,ast2500-sgpio";
> + gpio-controller;
> + interrupts = <40>;
> + reg = <0x1e780200 0x0100>;
> + clocks = <&syscon ASPEED_CLK_APB>;
> + interrupt-controller;
> + ngpios = <8>;
> + bus-frequency = <12000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sgpm_default>;
> + };
> +
> rtc: rtc@1e781000 {
> compatible = "aspeed,ast2500-rtc";
> reg = <0x1e781000 0x18>;
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index bb13c26..e94f903 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -120,6 +120,14 @@ config GPIO_ASPEED
> help
> Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
>
> +config SGPIO_ASPEED
> + bool "Aspeed SGPIO support"
> + depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
> + select GPIO_GENERIC
> + select GPIOLIB_IRQCHIP
> + help
> + Say Y here to support Aspeed AST2500 SGPIO functionality.
> +
> config GPIO_ATH79
> tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
> default y if ATH79
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index a4e9117..bebbd82 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -32,6 +32,7 @@ obj-$(CONFIG_GPIO_AMD_FCH) += gpio-amd-fch.o
> obj-$(CONFIG_GPIO_AMDPT) += gpio-amdpt.o
> obj-$(CONFIG_GPIO_ARIZONA) += gpio-arizona.o
> obj-$(CONFIG_GPIO_ASPEED) += gpio-aspeed.o
> +obj-$(CONFIG_SGPIO_ASPEED) += sgpio-aspeed.o
> obj-$(CONFIG_GPIO_ATH79) += gpio-ath79.o
> obj-$(CONFIG_GPIO_BCM_KONA) += gpio-bcm-kona.o
> obj-$(CONFIG_GPIO_BD70528) += gpio-bd70528.o
> --
> 2.7.4
>

This should be split into separate patches with one extending the
binding document and one adding actual support.

Bart

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