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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt b/Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt new file mode 100644 index 000000000..1b30812b0 --- /dev/null +++ b/Documentation/devicetree/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>; +}; |