diff options
| author | Lucas Stach <dev@lynxeye.de> | 2013-04-12 12:28:25 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-04-14 10:45:52 +0200 |
| commit | fbcb481c60d80e76f3c5d537ae05d0adf01ac9e1 (patch) | |
| tree | f9e1766244d5b1639014e3ea5cb051bc5d17a966 /arch | |
| parent | f23adabf6c469b960cd8929c20448a73437fe43f (diff) | |
| download | barebox-fbcb481c60d80e76f3c5d537ae05d0adf01ac9e1.tar.gz barebox-fbcb481c60d80e76f3c5d537ae05d0adf01ac9e1.tar.xz | |
tegra: add GPIO controller driver
Taken from the Linux kernel, simplified and reworked to match barebox.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Tested-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/dts/tegra20.dtsi | 16 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/gpio.h | 1 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ed34d2caf2..0a4f821814 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -142,6 +142,8 @@ config ARCH_TEGRA select BUILTIN_DTB select COMMON_CLK select CLKDEV_LOOKUP + select GPIOLIB + select GPIO_TEGRA select OFDEVICE select OFTREE diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi index 91858ec605..b7d1e27de2 100644 --- a/arch/arm/dts/tegra20.dtsi +++ b/arch/arm/dts/tegra20.dtsi @@ -18,6 +18,22 @@ #clock-cells = <1>; }; + gpio: gpio { + compatible = "nvidia,tegra20-gpio"; + reg = <0x6000d000 0x1000>; + interrupts = <0 32 0x04 + 0 33 0x04 + 0 34 0x04 + 0 35 0x04 + 0 55 0x04 + 0 87 0x04 + 0 89 0x04>; + #gpio-cells = <2>; + gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + }; + pmc { compatible = "nvidia,tegra20-pmc"; reg = <0x7000e400 0x400>; diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h new file mode 100644 index 0000000000..306ab4c9f2 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/gpio.h @@ -0,0 +1 @@ +#include <asm-generic/gpio.h> |