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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-nmk.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-nmk.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-nmk.txt b/Documentation/devicetree/bindings/gpio/gpio-nmk.txt new file mode 100644 index 000000000..8315ac778 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-nmk.txt @@ -0,0 +1,31 @@ +Nomadik GPIO controller + +Required properties: +- compatible : Should be "st,nomadik-gpio". +- reg : Physical base address and length of the controller's registers. +- interrupts : The interrupt outputs from the controller. +- #gpio-cells : Should be two: + The first cell is the pin number. + The second cell is used to specify optional parameters: + - bits[3:0] trigger type and level flags: + 1 = low-to-high edge triggered. + 2 = high-to-low edge triggered. + 4 = active high level-sensitive. + 8 = active low level-sensitive. +- gpio-controller : Marks the device node as a GPIO controller. +- interrupt-controller : Marks the device node as an interrupt controller. +- gpio-bank : Specifies which bank a controller owns. +- st,supports-sleepmode : Specifies whether controller can sleep or not + +Example: + + gpio1: gpio@8012e080 { + compatible = "st,nomadik-gpio"; + reg = <0x8012e080 0x80>; + interrupts = <0 120 0x4>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + st,supports-sleepmode; + gpio-bank = <1>; + }; |