Add the Loongson series gpio binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> --- .../bindings/gpio/loongson,ls-gpio.yaml | 154 ++++++++++++++++++ MAINTAINERS | 11 ++ 2 files changed, 165 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml b/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml new file mode 100644 index 000000000000..9d335262ddcc --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml @@ -0,0 +1,154 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/loongson,ls-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson series GPIO controller. + +maintainers: + - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> + +properties: + compatible: + enum: + - loongson,ls2k-gpio + - loongson,ls7a-gpio + + reg: + maxItems: 1 + + ngpios: true + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-ranges: true + + loongson,conf_offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO configuration offset address. + + loongson,out_offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO output value offset address. + + loongson,in_offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO input value offset address. + + loongson,gpio_base: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate the first GPIO number in this node. + + loongson,support_irq: + $ref: /schemas/types.yaml#/definitions/flag + description: + This option indicate this GPIO whether support interrupt. + + interrupts: + minItems: 1 + maxItems: 64 + +required: + - compatible + - reg + - ngpios + - "#gpio-cells" + - gpio-controller + - gpio-ranges + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + gpio0: gpio@1fe00500 { + compatible = "loongson,ls2k-gpio"; + reg = <0x1fe00500 0x38>; + ngpios = <64>; + #gpio-cells = <2>; + gpio-controller; + gpio-ranges = <&pctrl 0 0 15>, + <&pctrl 16 16 15>, + <&pctrl 32 32 10>, + <&pctrl 44 44 20>; + loongson,conf_offset = <0>; + loongson,out_offset = <0x10>; + loongson,in_offset = <0x20>; + loongson,gpio_base = <0>; + loongson,support_irq; + interrupt-parent = <&liointc1>; + interrupts = <28 IRQ_TYPE_LEVEL_LOW>, + <29 IRQ_TYPE_LEVEL_LOW>, + <30 IRQ_TYPE_LEVEL_LOW>, + <30 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <>, + <>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 916b2d9cffc0..878b8320ac3b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12048,6 +12048,17 @@ S: Maintained F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml F: drivers/soc/loongson/loongson2_guts.c +LOONGSON SERIES GPIO DRIVER +M: Richard Liu, STMicroelectronics <richard.liu@xxxxxx> +M: Arnaud Patard <apatard@xxxxxxxxxxxx> +M: Hongbing Hu <huhb@xxxxxxxxxx> +M: Huacai Chen <chenhuacai@xxxxxxxxxx> +M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> +L: linux-gpio@xxxxxxxxxxxxxxx +S: Maintained +F: Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml +F: drivers/gpio/gpio-loongson.c + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx> M: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxx> -- 2.20.1
