Messages in this thread Patch in this message | | | From | Manivannan Sadhasivam <> | Subject | [PATCH v4 05/10] dt-bindings: gpio: Add gpio nodes for Actions S900 SoC | Date | Fri, 2 Mar 2018 09:20:40 +0530 |
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Add gpio nodes for Actions Semi S900 SoC.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- .../devicetree/bindings/gpio/actions,owl-gpio.txt | 95 ++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt b/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt new file mode 100644 index 000000000000..d2939ca6cfaf --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/actions,owl-gpio.txt @@ -0,0 +1,95 @@ +* Actions Semi OWL GPIO controller bindings + +The GPIOs are organized as individual banks/ports with variable number +of GPIOs. Each bank is represented as an individual GPIO controller. + +Required properties: +- compatible : Should be "actions,s900-gpio" +- reg : Address and range of the GPIO controller registers. +- gpio-controller : Marks the device node as a GPIO controller. +- #gpio-cells : Should be <2>. The first cell is the gpio number + and the second cell is used to specify optional + parameters. +- interrupt-controller : Marks the device node as an interrupt controller. +- #interrupt-cells : Specifies the number of cells needed to encode an + interrupt. Shall be set to 2. The first cell + defines the interrupt number, the second encodes + the trigger flags described in + bindings/interrupt-controller/interrupts.txt + +Optional properties: +- gpio-ranges : Mapping between GPIO and pinctrl + +Note: Each GPIO port should have an alias correctly numbered in "aliases" +node. + +Examples: + +aliases { + gpio0 = &gpioa; + gpio1 = &gpiob; + gpio2 = &gpioc; + gpio3 = &gpiod; + gpio4 = &gpioe; + gpio5 = &gpiof; +}; + + gpioa: gpioa@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 0 32>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiob: gpiob@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 32 32>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioc: gpioc@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 64 12>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiod: gpiod@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 76 30>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpioe: gpioe@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 106 32>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpiof: gpiof@e01b0000 { + compatible = "actions,s900-gpio"; + reg = <0x0 0xe01b0000 0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 138 8>; + interrupt-controller; + #interrupt-cells = <2>; + }; -- 2.14.1
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