diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/zx296702-gpio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/zx296702-gpio.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt b/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt new file mode 100644 index 000000000..0dab156fc --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt @@ -0,0 +1,24 @@ +ZTE ZX296702 GPIO controller + +Required properties: +- compatible : "zte,zx296702-gpio" +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify optional parameters: + - bit 0 specifies polarity (0 for normal, 1 for inverted) +- gpio-controller : Marks the device node as a GPIO controller. +- interrupts : Interrupt mapping for GPIO IRQ. +- gpio-ranges : Interaction with the PINCTRL subsystem. + +gpio1: gpio@b008040 { + compatible = "zte,zx296702-gpio"; + reg = <0xb008040 0x40>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = < &pmx0 0 54 2 &pmx0 2 59 14>; + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&intc>; + interrupt-controller; + #interrupt-cells = <2>; + clock-names = "gpio_pclk"; + clocks = <&lsp0clk ZX296702_GPIO_CLK>; +}; |