linux-kernel - [PATCH v7 03/22] dt-bindings: add BCM63XX GPIO binding documentation

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Message-Id: <20210315114214.3096-4-noltari@gmail.com>
Date:   Mon, 15 Mar 2021 12:41:55 +0100
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Lee Jones <lee.jones@...aro.org>,
        Michael Walle <michael@...le.cc>,
        Álvaro Fernández Rojas 
        <noltari@...il.com>, Jonas Gorski <jonas.gorski@...il.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v7 03/22] dt-bindings: add BCM63XX GPIO binding documentation

Add binding documentation for the GPIO controller found in BCM6318, BCM6328,
BCM6358, BCM6362, BCM6368 and BCM63268 SoCs.

Co-developed-by: Jonas Gorski <jonas.gorski@...il.com>
Signed-off-by: Jonas Gorski <jonas.gorski@...il.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
---
 v7: new patch, splitted from pinctrl documentation

 .../bindings/gpio/brcm,bcm63xx-gpio.yaml      | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml
new file mode 100644
index 000000000000..94a4f00ae2c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM63xx GPIO controller
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@...il.com>
+  - Jonas Gorski <jonas.gorski@...il.com>
+
+description: |+
+  The GPIO 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:
+    enum:
+      - brcm,bcm6318-gpio
+      - brcm,bcm6328-gpio
+      - brcm,bcm6358-gpio
+      - brcm,bcm6362-gpio
+      - brcm,bcm6368-gpio
+      - brcm,bcm63268-gpio
+
+  data:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Offset in the register map for the data register (in bytes).
+
+  dirout:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Offset in the register map for the dirout register (in bytes).
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-ranges:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - gpio-controller
+  - gpio-ranges
+  - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio@0 {
+      compatible = "brcm,bcm6328-gpio";
+      reg = <0x0 0x10>;
+
+      data = <0xc>;
+      dirout = <0x4>;
+
+      gpio-controller;
+      gpio-ranges = <&pinctrl 0 0 32>;
+      #gpio-cells = <2>;
+    };
+
+  - |
+    gpio@0 {
+      compatible = "brcm,bcm63268-gpio";
+      reg = <0x0 0x10>;
+
+      data = <0xc>;
+      dirout = <0x4>;
+
+      gpio-controller;
+      gpio-ranges = <&pinctrl 0 0 52>;
+      #gpio-cells = <2>;
+    };
-- 
2.20.1