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        <noltari@gmail.com>
To:     Linus Walleij <linus.walleij@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Michael Walle <michael@walle.cc>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        bcm-kernel-feedback-list@broadcom.com,
        Jonas Gorski <jonas.gorski@gmail.com>,
        =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 
        <noltari@gmail.com>,
        Necip Fazil Yildiran <fazilyildiran@gmail.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 12/15] dt-bindings: add BCM63268 pincontroller binding documentation
Date:   Wed, 10 Mar 2021 13:55:00 +0100
Message-Id: <20210310125504.31886-13-noltari@gmail.com>
In-Reply-To: <20210310125504.31886-1-noltari@gmail.com>
References: <20210310125504.31886-1-noltari@gmail.com>
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Precedence: bulk

Add binding documentation for the pincontrol core found in the BCM63268
family SoCs.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Co-developed-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 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,bcm63268-pinctrl.yaml        | 211 ++++++++++++++++++
 1 file changed, 211 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml
new file mode 100644
index 000000000000..9ff91ea96aef
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml
@@ -0,0 +1,211 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/brcm,bcm63268-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM63268 pin controller
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@gmail.com>
+  - Jonas Gorski <jonas.gorski@gmail.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,bcm63268-pinctrl
+
+  gpio:
+    type: object
+    properties:
+      compatible:
+        const: brcm,bcm63268-gpio
+
+      data:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Offset in the register map for the data register (in bytes).
+
+      dirout:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Offset in the register map for the dirout register (in bytes).
+
+      gpio-controller: true
+
+      "#gpio-cells":
+        const: 2
+
+      gpio-ranges:
+        maxItems: 1
+
+    required:
+      - gpio-controller
+      - gpio-ranges
+      - '#gpio-cells'
+
+    additionalProperties: false
+
+patternProperties:
+  '^.*-pins$':
+    if:
+      type: object
+    then:
+      properties:
+        function:
+          $ref: "pinmux-node.yaml#/properties/function"
+          enum: [ serial_led_clk, serial_led_data, hsspi_cs4, hsspi_cs5,
+                  hsspi_cs6, hsspi_cs7, adsl_spi_miso, adsl_spi_mosi,
+                  vreq_clk, pcie_clkreq_b, robosw_led_clk, robosw_led_data,
+                  nand, gpio35_alt, dectpd, vdsl_phy_override_0,
+                  vdsl_phy_override_1, vdsl_phy_override_2,
+                  vdsl_phy_override_3, dsl_gpio8, dsl_gpio9 ]
+
+        pins:
+          $ref: "pinmux-node.yaml#/properties/pins"
+          enum: [ gpio0, gpio1, gpio16, gpio17, gpio8, gpio9, gpio18, gpio19,
+                  gpio22, gpio23, gpio30, gpio31, nand_grp, gpio35
+                  dectpd_grp, vdsl_phy_override_0_grp,
+                  vdsl_phy_override_1_grp, vdsl_phy_override_2_grp,
+                  vdsl_phy_override_3_grp, dsl_gpio8, dsl_gpio9 ]
+
+required:
+  - compatible
+  - gpio
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio_cntl@100000c0 {
+      compatible = "brcm,bcm63268-gpio-controller", "syscon", "simple-mfd";
+      reg = <0x100000c0 0x80>;
+
+      pinctrl: pinctrl {
+        compatible = "brcm,bcm63268-pinctrl";
+
+        gpio {
+          compatible = "brcm,bcm63268-gpio";
+          data = <0xc>;
+          dirout = <0x4>;
+
+          gpio-controller;
+          gpio-ranges = <&pinctrl 0 0 52>;
+          #gpio-cells = <2>;
+        };
+
+        pinctrl_serial_led: serial_led-pins {
+          pinctrl_serial_led_clk: serial_led_clk-pins {
+            function = "serial_led_clk";
+            pins = "gpio0";
+          };
+
+          pinctrl_serial_led_data: serial_led_data-pins {
+            function = "serial_led_data";
+            pins = "gpio1";
+          };
+        };
+
+        pinctrl_hsspi_cs4: hsspi_cs4-pins {
+          function = "hsspi_cs4";
+          pins = "gpio16";
+        };
+
+        pinctrl_hsspi_cs5: hsspi_cs5-pins {
+          function = "hsspi_cs5";
+          pins = "gpio17";
+        };
+
+        pinctrl_hsspi_cs6: hsspi_cs6-pins {
+          function = "hsspi_cs6";
+          pins = "gpio8";
+        };
+
+        pinctrl_hsspi_cs7: hsspi_cs7-pins {
+          function = "hsspi_cs7";
+          pins = "gpio9";
+        };
+
+        pinctrl_adsl_spi: adsl_spi-pins {
+          pinctrl_adsl_spi_miso: adsl_spi_miso-pins {
+            function = "adsl_spi_miso";
+            pins = "gpio18";
+          };
+
+          pinctrl_adsl_spi_mosi: adsl_spi_mosi-pins {
+            function = "adsl_spi_mosi";
+            pins = "gpio19";
+          };
+        };
+
+        pinctrl_vreq_clk: vreq_clk-pins {
+          function = "vreq_clk";
+          pins = "gpio22";
+        };
+
+        pinctrl_pcie_clkreq_b: pcie_clkreq_b-pins {
+          function = "pcie_clkreq_b";
+          pins = "gpio23";
+        };
+
+        pinctrl_robosw_led_clk: robosw_led_clk-pins {
+          function = "robosw_led_clk";
+          pins = "gpio30";
+        };
+
+        pinctrl_robosw_led_data: robosw_led_data-pins {
+          function = "robosw_led_data";
+          pins = "gpio31";
+        };
+
+        pinctrl_nand: nand-pins {
+          function = "nand";
+          group = "nand_grp";
+        };
+
+        pinctrl_gpio35_alt: gpio35_alt-pins {
+          function = "gpio35_alt";
+          pin = "gpio35";
+        };
+
+        pinctrl_dectpd: dectpd-pins {
+          function = "dectpd";
+          group = "dectpd_grp";
+        };
+
+        pinctrl_vdsl_phy_override_0: vdsl_phy_override_0-pins {
+          function = "vdsl_phy_override_0";
+          group = "vdsl_phy_override_0_grp";
+        };
+
+        pinctrl_vdsl_phy_override_1: vdsl_phy_override_1-pins {
+          function = "vdsl_phy_override_1";
+          group = "vdsl_phy_override_1_grp";
+        };
+
+        pinctrl_vdsl_phy_override_2: vdsl_phy_override_2-pins {
+          function = "vdsl_phy_override_2";
+          group = "vdsl_phy_override_2_grp";
+        };
+
+        pinctrl_vdsl_phy_override_3: vdsl_phy_override_3-pins {
+          function = "vdsl_phy_override_3";
+          group = "vdsl_phy_override_3_grp";
+        };
+
+        pinctrl_dsl_gpio8: dsl_gpio8-pins {
+          function = "dsl_gpio8";
+          group = "dsl_gpio8";
+        };
+
+        pinctrl_dsl_gpio9: dsl_gpio9-pins {
+          function = "dsl_gpio9";
+          group = "dsl_gpio9";
+        };
+      };
+    };
-- 
2.20.1