linux-kernel - [PATCH v2 03/12] Documentation: add BCM6358 pincontroller binding documentation

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Date:   Tue,  2 Mar 2021 20:16:04 +0100
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     Michael Walle <michael@...le.cc>, f.fainelli@...il.com,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Álvaro Fernández Rojas 
        <noltari@...il.com>, Jonas Gorski <jonas.gorski@...il.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 03/12] Documentation: add BCM6358 pincontroller binding documentation

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

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
Signed-off-by: Jonas Gorski <jonas.gorski@...il.com>
---
 v2: remove interrupts

 .../pinctrl/brcm,bcm6358-pinctrl.yaml         | 111 ++++++++++++++++++
 1 file changed, 111 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..822d1ca8789c
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
@@ -0,0 +1,111 @@
+# 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@...il.com>
+  - Jonas Gorski <jonas.gorski@...il.com>
+
+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
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    description:
+      Specifies the pin number and flags, as defined in
+      include/dt-bindings/gpio/gpio.h
+    const: 2
+
+patternProperties:
+  '^.*$':
+    if:
+      type: object
+    then:
+      properties:
+        function:
+          $ref: "/schemas/types.yaml#/definitions/string"
+          enum: [ ebi_cs, uart1, serial_led, legacy_led, led, spi_cs, utopia,
+                  pwm_syn_clk, sys_irq ]
+
+        pins:
+          $ref: "/schemas/types.yaml#/definitions/string"
+          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
+  - gpio-controller
+  - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio@...e0080 {
+      compatible = "syscon", "simple-mfd";
+      reg = <0xfffe0080 0x80>;
+
+      pinctrl: pinctrl {
+        compatible = "brcm,bcm6358-pinctrl";
+
+        gpio-controller;
+        #gpio-cells = <2>;
+
+        pinctrl_ebi_cs: ebi_cs {
+          function = "ebi_cs";
+          groups = "ebi_cs_grp";
+        };
+
+        pinctrl_uart1: uart1 {
+          function = "uart1";
+          groups = "uart1_grp";
+        };
+
+        pinctrl_serial_led: serial_led {
+          function = "serial_led";
+          groups = "serial_led_grp";
+        };
+
+        pinctrl_legacy_led: legacy_led {
+          function = "legacy_led";
+          groups = "legacy_led_grp";
+        };
+
+        pinctrl_led: led {
+          function = "led";
+          groups = "led_grp";
+        };
+
+        pinctrl_spi_cs_23: spi_cs {
+          function = "spi_cs";
+          groups = "spi_cs_grp";
+        };
+
+        pinctrl_utopia: utopia {
+          function = "utopia";
+          groups = "utopia_grp";
+        };
+
+        pinctrl_pwm_syn_clk: pwm_syn_clk {
+          function = "pwm_syn_clk";
+          groups = "pwm_syn_clk_grp";
+        };
+
+        pinctrl_sys_irq: sys_irq {
+          function = "sys_irq";
+          groups = "sys_irq_grp";
+        };
+      };
+    };
-- 
2.20.1