[PATCH v7 08/22] dt-bindings: add BCM6358 pincontroller binding documentation

[Álvaro Fernández Rojas <noltari@xxxxxxxxx>]

Add binding documentation for the pincontrol core found in BCM6358 SoCs.

Co-developed-by: Jonas Gorski <jonas.gorski@xxxxxxxxx>
Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx>
Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
---
 v7: add changes suggested by Rob Herring
 v6: add changes suggested by Rob Herring
 v5: change Documentation to dt-bindings in commit title
 v4: no changes
 v3: add new gpio node
 v2: remove interrupts

 .../pinctrl/brcm,bcm6358-pinctrl.yaml         | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
new file mode 100644
index 000000000000..65e28c8ae8ce
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6358-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM6358 pin controller
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@xxxxxxxxx>
+  - Jonas Gorski <jonas.gorski@xxxxxxxxx>
+
+description: |+
+  The pin controller node should be the child of a syscon node.
+
+  Refer to the the bindings described in
+  Documentation/devicetree/bindings/mfd/syscon.yaml
+
+properties:
+  compatible:
+    const: brcm,bcm6358-pinctrl
+
+  reg:
+    maxItems: 1
+
+patternProperties:
+  '^.*-pins$':
+    if:
+      type: object
+    then:
+      properties:
+        function:
+          $ref: "pinmux-node.yaml#/properties/function"
+          enum: [ ebi_cs, uart1, serial_led, legacy_led, led, spi_cs, utopia,
+                  pwm_syn_clk, sys_irq ]
+
+        pins:
+          $ref: "pinmux-node.yaml#/properties/pins"
+          enum: [ ebi_cs_grp, uart1_grp, serial_led_grp, legacy_led_grp,
+                  led_grp, spi_cs_grp, utopia_grp, pwm_syn_clk, sys_irq_grp ]
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    pinctrl@18 {
+      compatible = "brcm,bcm6358-pinctrl";
+      reg = <0x18 0x4>;
+
+      pinctrl_ebi_cs: ebi_cs-pins {
+        function = "ebi_cs";
+        groups = "ebi_cs_grp";
+      };
+
+      pinctrl_uart1: uart1-pins {
+        function = "uart1";
+        groups = "uart1_grp";
+      };
+
+      pinctrl_serial_led: serial_led-pins {
+        function = "serial_led";
+        groups = "serial_led_grp";
+      };
+
+      pinctrl_legacy_led: legacy_led-pins {
+        function = "legacy_led";
+        groups = "legacy_led_grp";
+      };
+
+      pinctrl_led: led-pins {
+        function = "led";
+        groups = "led_grp";
+      };
+
+      pinctrl_spi_cs_23: spi_cs-pins {
+        function = "spi_cs";
+        groups = "spi_cs_grp";
+      };
+
+      pinctrl_utopia: utopia-pins {
+        function = "utopia";
+        groups = "utopia_grp";
+      };
+
+      pinctrl_pwm_syn_clk: pwm_syn_clk-pins {
+        function = "pwm_syn_clk";
+        groups = "pwm_syn_clk_grp";
+      };
+
+      pinctrl_sys_irq: sys_irq-pins {
+        function = "sys_irq";
+        groups = "sys_irq_grp";
+      };
+    };
-- 
2.20.1