diff options
| author | Simon Glass <sjg@chromium.org> | 2015-01-05 20:05:31 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-01-29 17:09:51 -0700 |
| commit | a02af4aeece40e93bc7d79cd5dc912409efb7020 (patch) | |
| tree | 799cf6f844e86be0164e4cc1649b62d1c9911eb5 /arch/sandbox | |
| parent | 5d1c17e9a5803af9c65966e469437735ac29659e (diff) | |
| download | u-boot-imx-a02af4aeece40e93bc7d79cd5dc912409efb7020.zip u-boot-imx-a02af4aeece40e93bc7d79cd5dc912409efb7020.tar.gz u-boot-imx-a02af4aeece40e93bc7d79cd5dc912409efb7020.tar.bz2 | |
dm: demo: Add a simple GPIO demonstration
Add a new 'demo light' command which uses GPIOs to control imaginary lights.
Each light is assigned a bit number in the overall value. This provides an
example driver for using the new GPIO API.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox')
| -rw-r--r-- | arch/sandbox/dts/sandbox.dts | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index 11748ae..4c63e4f 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -19,6 +19,7 @@ colour = "cyan"; sides = <3>; character = <83>; + light-gpios = <&gpio_a 2>, <&gpio_b 6 0>; }; square { compatible = "demo-shape"; @@ -126,7 +127,7 @@ 0x070b0067 0x070c0069>; }; - gpio_a: gpios { + gpio_a: gpios@0 { gpio-controller; compatible = "sandbox,gpio"; #gpio-cells = <1>; @@ -134,6 +135,14 @@ num-gpios = <20>; }; + gpio_b: gpios@1 { + gpio-controller; + compatible = "sandbox,gpio"; + #gpio-cells = <2>; + gpio-bank-name = "b"; + num-gpios = <10>; + }; + i2c@0 { #address-cells = <1>; #size-cells = <0>; |