dt-bindings: pinctrl: Add bindings for StarFive JH7110 pinctrl

Add bindings for StarFive JH7110 pinctrl

Signed-off-by: Jianlong Huang <jianlong.huang@starfivetech.com>

diff --git a/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-pinctrl.yaml
new file mode 100644 (file)
index 0000000..6bb0b1d
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-pinctrl.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/starfive,jh7110-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Pin Controller Device Tree Bindings
+
+description: |
+  Bindings for the JH7110 RISC-V SoC from StarFive Ltd.
+
+maintainers:
+  - Jianlong Huang <jianlong.huang@starfivetech.com>
+
+properties:
+  compatible:
+    enum:
+    - starfive,jh7110-sys-pinctrl
+    - starfive,jh7110-aon-pinctrl
+
+  reg:
+    minItems: 2
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: control
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  "#gpio-cells":
+    const: 2
+
+  interrupts:
+    maxItems: 1
+    description: The GPIO parent interrupt.
+
+  interrupt-controller: true
+
+  "#interrupt-cells":
+    const: 2
+
+  ngpios:
+    enum:
+    - 64
+    - 4
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - "#gpio-cells"
+  - interrupts
+  - interrupt-controller
+  - "#interrupt-cells"
+
+examples:
+  - |
+    gpio: gpio@13040000 {
+                       compatible = "starfive,jh7110-sys-pinctrl";
+                       reg = <0x0 0x13040000 0x0 0x10000>;
+                       reg-names = "control";
+                       clocks = <&clkgen JH7110_SYS_IOMUX_PCLK>;
+                       resets = <&rstgen RSTN_U0_SYS_IOMUX_PRESETN>;
+                       interrupts = <86>;
+                       interrupt-controller;
+                       #gpio-cells = <2>;
+                       ngpios = <64>;
+                       status = "okay";
+               };
+
+...

diff --git a/MAINTAINERS b/MAINTAINERS
index 95a1d9d..5f733d5 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20847,3 +20847,8 @@ M:      Jianlong Huang <jianlong.huang@starfivetech.com>
 S:     Maintained
 F:     Documentation/devicetree/bindings/riscv/starfive-jh7110.yaml
 
+STARFIVE JH7110 PINCTRL
+M:     Jianlong Huang <jianlong.huang@starfivetech.com>
+S:     Maintained
+F:     Documentation/devicetree/bindings/pinctrl/starfive,jh7110-pinctrl.yaml
+