Add the Loongson-2 pinctrl binding with DT schema format using
json-schema.
Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
---
Change in v7:
1. Add all change log information.
Change in v6:
1. NO change, but other patch in this series patches set has
change.
Change in v5:
1. Drop dependencies.
2. Add spaces after '='.
3. Replace string loongson2 with loongson-2 in title.
Change in v4:
1. Replace Loongson2 with Loongson-2.
Change in v3:
1. Drop the quotes in "pinctrl.yaml#".
2. Remove the items in function node.
3. Add requird node for "group" and "function" in properties.
Change in v2:
1. Add "$ref to pinctrl.yaml".
2. Put required after patternProperties.
3. Add "additionalProperties: false" after '-pins$'
4. Add "unevaluatedProperties: false" after 'pinmux$'
5. Fixup the broken indentation in patternProperties node.
6. Use 4 spaces for example indentation.
.../pinctrl/loongson,ls2k-pinctrl.yaml | 125 ++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 126 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
new file mode 100644
index 000000000000..34683a4856ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
@@ -0,0 +1,125 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/loongson,ls2k-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2 SoC Pinctrl Controller
+
+maintainers:
+ - zhanghongchen <zhanghongchen@xxxxxxxxxxx>
+ - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
+
+allOf:
+ - $ref: pinctrl.yaml#
+
+properties:
+ compatible:
+ const: loongson,ls2k-pinctrl
+
+ reg:
+ maxItems: 1
+
+patternProperties:
+ '-pins$':
+ type: object
+
+ additionalProperties: false
+
+ patternProperties:
+ 'pinmux$':
+ type: object
+ description: node for pinctrl.
+ $ref: pinmux-node.yaml#
+
+ unevaluatedProperties: false
+
+ properties:
+ groups:
+ description:
+ One or more groups of pins to mux to a certain function
+ items:
+ enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
+ nand, sata_led, lio, i2s, hda, uart2, uart1, camera, dv01,
+ dvo0]
+ function:
+ description:
+ The function that a group of pins is muxed to
+ enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
+ nand, sata_led, lio, i2s, hda, uart2, uart1, camera, dv01,
+ dvo0]
+
+ required:
+ - groups
+ - function
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ pctrl: pinctrl@1fe00420 {
+ compatible = "loongson,ls2k-pinctrl";
+ reg = <0x1fe00420 0x18>;
+ sdio_pins_default: sdio-pins {
+ sdio-pinmux {
+ groups = "sdio";
+ function = "sdio";
+ };
+
+ sdio-det-pinmux {
+ groups = "pwm2";
+ function = "gpio";
+ };
+ };
+
+ pwm1_pins_default: pwm1-pins {
+ pinmux {
+ groups = "pwm1";
+ function = "pwm1";
+ };
+ };
+
+ pwm0_pins_default: pwm0-pins {
+ pinmux {
+ groups = "pwm0";
+ function = "pwm0";
+ };
+ };
+
+ i2c1_pins_default: i2c1-pins {
+ pinmux {
+ groups = "i2c1";
+ function = "i2c1";
+ };
+ };
+
+ i2c0_pins_default: i2c0-pins {
+ pinmux {
+ groups = "i2c0";
+ function = "i2c0";
+ };
+ };
+
+ nand_pins_default: nand-pins {
+ pinmux {
+ groups = "nand";
+ function = "nand";
+ };
+ };
+
+ hda_pins_default: hda-pins {
+ grp0-pinmux {
+ groups = "hda";
+ function = "hda";
+ };
+
+ grp1-pinmux {
+ groups = "i2s";
+ function = "gpio";
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index f75464dadaaa..c9dc5ddbd9fe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12038,6 +12038,7 @@ M: zhanghongchen <zhanghongchen@xxxxxxxxxxx>
M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
L: linux-gpio@xxxxxxxxxxxxxxx
S: Maintained
+F: Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
F: drivers/pinctrl/pinctrl-loongson2.c
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
--
2.31.1
