From 493c7e03f837b46c64ebf941d0084e3e25909b7e Mon Sep 17 00:00:00 2001 From: Daniel Palmer Date: Sun, 29 Nov 2020 20:07:59 +0900 Subject: [PATCH] dt-bindings: gpio: Binding for MStar MSC313 GPIO controller Add a binding description for the MStar/SigmaStar GPIO controller found in the MSC313 and later ARMv7 SoCs. Signed-off-by: Daniel Palmer Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20201129110803.2461700-3-daniel@0x0f.com Signed-off-by: Linus Walleij --- .../bindings/gpio/mstar,msc313-gpio.yaml | 59 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml b/Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml new file mode 100644 index 0000000..1f2ef40 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/mstar,msc313-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar/SigmaStar GPIO controller + +maintainers: + - Daniel Palmer + +properties: + $nodename: + pattern: "^gpio@[0-9a-f]+$" + + compatible: + const: mstar,msc313-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: true + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + + gpio: gpio@207800 { + compatible = "mstar,msc313e-gpio"; + #gpio-cells = <2>; + reg = <0x207800 0x200>; + gpio-controller; + gpio-ranges = <&pinctrl 0 36 22>, + <&pinctrl 22 63 4>, + <&pinctrl 26 68 6>; + #interrupt-cells = <2>; + interrupt-controller; + interrupt-parent = <&intc_fiq>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 9caa53b..6c8f218 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2131,6 +2131,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained W: http://linux-chenxing.org/ F: Documentation/devicetree/bindings/arm/mstar/* +F: Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml F: arch/arm/boot/dts/mstar-* F: arch/arm/mach-mstar/ F: include/dt-bindings/gpio/msc313-gpio.h -- 2.7.4