Add dt binding doc for the GPIO controller found on Siflower SF19A2890 and various other Siflower MIPS and RISC-V SoCs. Signed-off-by: Chuanhong Guo <gch981213@xxxxxxxxx> --- .../gpio/siflower,sf19a2890-gpio.yaml | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/siflower,sf19a2890-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/siflower,sf19a2890-gpio.yaml b/Documentation/devicetree/bindings/gpio/siflower,sf19a2890-gpio.yaml new file mode 100644 index 000000000000..7dab1e3f159c --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/siflower,sf19a2890-gpio.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/siflower,sf19a2890-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Siflower SF19A2890 GPIO controller + +maintainers: + - Chuanhong Guo <gch981213@xxxxxxxxx> + +properties: + compatible: + const: siflower,sf19a2890-gpio + + gpio-controller: true + "#gpio-cells": + const: 2 + + gpio-ranges: true + + reg: + maxItems: 1 + + interrupts: + description: + Interrupt mapping, one interrupt per 16 GPIOs. + minItems: 1 + maxItems: 10 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + ngpios: + description: + The number of GPIOs available on the controller implementation. + minimum: 1 + +required: + - compatible + - clocks + - gpio-controller + - gpio-ranges + - interrupt-controller + - interrupts + - ngpios + - reg + - resets + - "#gpio-cells" + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/mips-gic.h> + gpio@19d00000 { + compatible = "siflower,sf19a2890-gpio"; + reg = <0x19d00000 0x100000>; + interrupts = <GIC_SHARED 246 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 247 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 248 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 249 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gpioclk 0>; + resets = <&gpiorst 0>; + + gpio-controller; + #gpio-cells = <2>; + ngpios = <49>; + gpio-ranges = <&pinctrl 0 0 49>; + + interrupt-controller; + #interrupt-cells = <2>; + }; -- 2.47.1
