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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-thunderx.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/gpio-thunderx.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-thunderx.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt new file mode 100644 index 000000000..3f883ae29 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt @@ -0,0 +1,27 @@ +Cavium ThunderX/OCTEON-TX GPIO controller bindings + +Required Properties: +- reg: The controller bus address. +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells: Must be 2. + - First cell is the GPIO pin number relative to the controller. + - Second cell is a standard generic flag bitfield as described in gpio.txt. + +Optional Properties: +- compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Must be present and have value of 2 if + "interrupt-controller" is present. + - First cell is the GPIO pin number relative to the controller. + - Second cell is triggering flags as defined in interrupts.txt. + +Example: + +gpio_6_0: gpio@6,0 { + compatible = "cavium,thunder-8890-gpio"; + reg = <0x3000 0 0 0 0>; /* DEVFN = 0x30 (6:0) */ + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; +}; |