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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/gpio-xgene.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-xgene.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-xgene.txt b/Documentation/devicetree/bindings/gpio/gpio-xgene.txt new file mode 100644 index 000000000..86dbb05e7 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-xgene.txt @@ -0,0 +1,22 @@ +APM X-Gene SoC GPIO controller bindings + +This is a gpio controller that is part of the flash controller. +This gpio controller controls a total of 48 gpios. + +Required properties: +- compatible: "apm,xgene-gpio" for X-Gene GPIO controller +- reg: Physical base address and size of the controller's registers +- #gpio-cells: Should be two. + - first cell is the pin number + - second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low +- gpio-controller: Marks the device node as a GPIO controller. + +Example: + gpio0: gpio0@1701c000 { + compatible = "apm,xgene-gpio"; + reg = <0x0 0x1701c000 0x0 0x40>; + gpio-controller; + #gpio-cells = <2>; + }; |