[PATCH v1 2/2] dt-bindings: gpio: add loongson series gpio
From: Yinbo Zhu
Date: Tue Nov 08 2022 - 04:21:25 EST
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