[PATCH v1 03/11] dt-bindings: pinctrl: add Allwinner B288 pin controller

[Pablo Mazzini <pmazzini@gmail.com>]

One controller at 0x01c20800 with four external interrupt banks.

Signed-off-by: Pablo Mazzini <pmazzini@gmail.com>
---
 .../pinctrl/allwinner,sun8i-b288-pinctrl.yaml | 108 ++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/allwinner,sun8i-b288-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sun8i-b288-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/allwinner,sun8i-b288-pinctrl.yaml
new file mode 100644
index 000000000000..806da97ab708
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sun8i-b288-pinctrl.yaml
@@ -0,0 +1,108 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/allwinner,sun8i-b288-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner B288 Pin Controller
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Jernej Skrabec <jernej.skrabec@gmail.com>
+
+properties:
+  compatible:
+    const: allwinner,sun8i-b288-pinctrl
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      One interrupt per bank of external interrupt capable pins.
+    maxItems: 4
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: High Frequency Oscillator
+      - description: Low Frequency Oscillator
+
+  clock-names:
+    items:
+      - const: apb
+      - const: hosc
+      - const: losc
+
+  gpio-controller: true
+  interrupt-controller: true
+  gpio-line-names: true
+
+  "#gpio-cells":
+    const: 3
+
+  "#interrupt-cells":
+    const: 3
+
+patternProperties:
+  "-pins$":
+    type: object
+    $ref: /schemas/pinctrl/pincfg-node.yaml#
+    additionalProperties: false
+
+    properties:
+      pins: true
+      function: true
+      bias-pull-up: true
+      bias-pull-down: true
+      bias-disable: true
+      drive-strength:
+        enum: [10, 20, 30, 40]
+
+    required:
+      - pins
+      - function
+
+  "^vcc-p[bcdfg]-supply$":
+    description:
+      Power supplies for pin banks.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - gpio-controller
+  - "#gpio-cells"
+  - interrupt-controller
+  - "#interrupt-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/sun8i-b288-ccu.h>
+
+    pio: pinctrl@1c20800 {
+        compatible = "allwinner,sun8i-b288-pinctrl";
+        reg = <0x01c20800 0x400>;
+        interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>;
+        clock-names = "apb", "hosc", "losc";
+        gpio-controller;
+        #gpio-cells = <3>;
+        interrupt-controller;
+        #interrupt-cells = <3>;
+
+        mmc0_pins: mmc0-pins {
+            pins = "PF0", "PF1", "PF2", "PF3", "PF4", "PF5";
+            function = "sdc0";
+            drive-strength = <30>;
+            bias-pull-up;
+        };
+    };
-- 
2.53.0