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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add SGPIO driver support for Aspeed AST2500 SoC. Signed-off-by: Hongwei Zhang --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel