DT json-schema for GPIO controller added. Signed-off-by: Wesley W. Terpstra <wesley@xxxxxxxxxx> [Atish: Compatible string update] Signed-off-by: Atish Patra <atish.patra@xxxxxxx> Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx> --- .../devicetree/bindings/gpio/gpio-sifive.yaml | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-sifive.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-sifive.yaml b/Documentation/devicetree/bindings/gpio/gpio-sifive.yaml new file mode 100644 index 0000000..49214bb --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-sifive.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-sifive.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SiFive GPIO controller + +maintainers: + - Yash Shah <yash.shah@xxxxxxxxxx> + - Paul Walmsley <paul.walmsley@xxxxxxxxxx> + +properties: + compatible: + items: + - const: sifive,fu540-c000-gpio + - const: sifive,gpio0 + + reg: + maxItems: 1 + + interrupts: + description: + interrupt mapping one per GPIO. Maximum 16 GPIOs. + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + clocks: + maxItems: 1 + + clock-names: true + + "#gpio-cells": + const: 2 + + gpio-controller: true + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + - clocks + - "#gpio-cells" + - gpio-controller + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/sifive-fu540-prci.h> + gpio@10060000 { + compatible = "sifive,fu540-c000-gpio", "sifive,gpio0"; + interrupt-parent = <&plic>; + interrupts = <7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22>; + reg = <0x0 0x10060000 0x0 0x1000>; + clocks = <&tlclk PRCI_CLK_TLCLK>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + +... -- 2.7.4
