diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-11-07 09:48:28 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-11-08 08:57:14 +0100 |
| commit | 646d1a09f05689a3a4781112a3b3e4747d0ba231 (patch) | |
| tree | fe48ab82140e06e495051098fde1d97a4b1e56d5 /dts/Bindings/gpio/snps,creg-gpio.txt | |
| parent | ebc406c1ab2be0e6002e1d8ccbc5c1377a882895 (diff) | |
| download | barebox-646d1a09f05689a3a4781112a3b3e4747d0ba231.tar.gz barebox-646d1a09f05689a3a4781112a3b3e4747d0ba231.tar.xz | |
dts: update to v4.20-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/snps,creg-gpio.txt')
| -rw-r--r-- | dts/Bindings/gpio/snps,creg-gpio.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/snps,creg-gpio.txt b/dts/Bindings/gpio/snps,creg-gpio.txt new file mode 100644 index 0000000000..1b30812b01 --- /dev/null +++ b/dts/Bindings/gpio/snps,creg-gpio.txt @@ -0,0 +1,21 @@ +Synopsys GPIO via CREG (Control REGisters) driver + +Required properties: +- compatible : "snps,creg-gpio-hsdk" or "snps,creg-gpio-axs10x". +- reg : Exactly one register range with length 0x4. +- #gpio-cells : Since the generic GPIO binding is used, the + amount of cells must be specified as 2. The first cell is the + pin number, the second cell is used to specify optional parameters: + See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. +- gpio-controller : Marks the device node as a GPIO controller. +- ngpios: Number of GPIO pins. + +Example: + +gpio: gpio@f00014b0 { + compatible = "snps,creg-gpio-hsdk"; + reg = <0xf00014b0 0x4>; + gpio-controller; + #gpio-cells = <2>; + ngpios = <2>; +}; |