diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-08 14:44:21 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-08 14:44:21 +0200 |
commit | 87360e3dd42bb627a9f2611f961728c0789e1c21 (patch) | |
tree | afefc88c862d9feafb0cdb075badeb8d32d8efd2 /dts/Bindings/gpio/gpio-ath79.txt | |
parent | 80936d6aaeea1b10ce4eb81c54eece2f55f8e209 (diff) | |
download | barebox-87360e3dd42bb627a9f2611f961728c0789e1c21.tar.gz barebox-87360e3dd42bb627a9f2611f961728c0789e1c21.tar.xz |
dts: update to v4.2-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/gpio-ath79.txt')
-rw-r--r-- | dts/Bindings/gpio/gpio-ath79.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/gpio-ath79.txt b/dts/Bindings/gpio/gpio-ath79.txt new file mode 100644 index 0000000000..c522851017 --- /dev/null +++ b/dts/Bindings/gpio/gpio-ath79.txt @@ -0,0 +1,38 @@ +Binding for Qualcomm Atheros AR7xxx/AR9xxx GPIO controller + +Required properties: +- compatible: has to be "qca,<soctype>-gpio" and one of the following + fallbacks: + - "qca,ar7100-gpio" + - "qca,ar9340-gpio" +- reg: Base address and size of the controllers memory area +- gpio-controller : Marks the device node as a GPIO controller. +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify optional parameters. +- ngpios: Should be set to the number of GPIOs available on the SoC. + +Optional properties: +- interrupt-parent: phandle of the parent interrupt controller. +- interrupts: Interrupt specifier for the controllers interrupt. +- interrupt-controller : Identifies the node as an interrupt controller +- #interrupt-cells : Specifies the number of cells needed to encode interrupt + source, should be 2 + +Please refer to interrupts.txt in this directory for details of the common +Interrupt Controllers bindings used by client devices. + +Example: + + gpio@18040000 { + compatible = "qca,ar9132-gpio", "qca,ar7100-gpio"; + reg = <0x18040000 0x30>; + interrupts = <2>; + + ngpios = <22>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; |