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        Jonas Gorski <jonas.gorski@gmail.com>,
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        <noltari@gmail.com>,
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        linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 10/15] dt-bindings: add BCM6368 pincontroller binding documentation
Date:   Sat,  6 Mar 2021 16:57:07 +0100
Message-Id: <20210306155712.4298-11-noltari@gmail.com>
In-Reply-To: <20210306155712.4298-1-noltari@gmail.com>
References: <20210306155712.4298-1-noltari@gmail.com>
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Add binding documentation for the pincontrol core found in BCM6368 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>
---
 v5: change Documentation to dt-bindings in commit title
 v4: no changes
 v3: add new gpio node
 v2: remove interrupts

 .../pinctrl/brcm,bcm6368-pinctrl.yaml         | 261 ++++++++++++++++++
 1 file changed, 261 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml
new file mode 100644
index 000000000000..6a289c93d6b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml
@@ -0,0 +1,261 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6368-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM6368 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,bcm6368-pinctrl
+
+patternProperties:
+  '^gpio$':
+    type: object
+    properties:
+      compatible:
+        const: brcm,bcm6368-gpio
+
+      data:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Offset in the register map for the data register (in bytes).
+
+      dirout:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Offset in the register map for the dirout register (in bytes).
+
+      gpio-controller: true
+
+      "#gpio-cells":
+        const: 2
+
+      gpio-ranges:
+        maxItems: 1
+
+    required:
+      - gpio-controller
+      - gpio-ranges
+      - '#gpio-cells'
+
+  '^.*$':
+    if:
+      type: object
+    then:
+      properties:
+        function:
+          $ref: "/schemas/types.yaml#/definitions/string"
+          enum: [ analog_afe_0, analog_afe_1, sys_irq, serial_led_data,
+                  serial_led_clk, inet_led, ephy0_led, ephy1_led, ephy2_led,
+                  ephy3_led, robosw_led_data, robosw_led_clk, robosw_led0,
+                  robosw_led1, usb_device_led, pci_req1, pci_gnt1, pci_intb,
+                  pci_req0, pci_gnt0, pcmcia_cd1, pcmcia_cd2, pcmcia_vs1,
+                  pcmcia_vs2, ebi_cs2, ebi_cs3, spi_cs2, spi_cs3, spi_cs4,
+                  spi_cs5, uart1 ]
+
+        pins:
+          $ref: "/schemas/types.yaml#/definitions/string"
+          enum: [ gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7,
+                  gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, gpio14,
+                  gpio16, gpio17, gpio18, gpio19, gpio20, gpio22, gpio23,
+                  gpio24, gpio25, gpio26, gpio27, gpio28, gpio29, gpio30,
+                  gpio31, uart1_grp ]
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio_cntl@10000080 {
+      compatible = "syscon", "simple-mfd";
+      reg = <0x10000080 0x80>;
+
+      pinctrl: pinctrl {
+        compatible = "brcm,bcm6368-pinctrl";
+
+        gpio {
+          compatible = "brcm,bcm6368-gpio";
+          data = <0xc>;
+          dirout = <0x4>;
+
+          gpio-controller;
+          gpio-ranges = <&pinctrl 0 0 38>;
+          #gpio-cells = <2>;
+        };
+
+        pinctrl_analog_afe_0: analog_afe_0 {
+          function = "analog_afe_0";
+          pins = "gpio0";
+        };
+
+        pinctrl_analog_afe_1: analog_afe_1 {
+          function = "analog_afe_1";
+          pins = "gpio1";
+        };
+
+        pinctrl_sys_irq: sys_irq {
+          function = "sys_irq";
+          pins = "gpio2";
+        };
+
+        pinctrl_serial_led: serial_led {
+          pinctrl_serial_led_data: serial_led_data {
+            function = "serial_led_data";
+            pins = "gpio3";
+          };
+
+          pinctrl_serial_led_clk: serial_led_clk {
+            function = "serial_led_clk";
+            pins = "gpio4";
+          };
+        };
+
+        pinctrl_inet_led: inet_led {
+          function = "inet_led";
+          pins = "gpio5";
+        };
+
+        pinctrl_ephy0_led: ephy0_led {
+          function = "ephy0_led";
+          pins = "gpio6";
+        };
+
+        pinctrl_ephy1_led: ephy1_led {
+          function = "ephy1_led";
+          pins = "gpio7";
+        };
+
+        pinctrl_ephy2_led: ephy2_led {
+          function = "ephy2_led";
+          pins = "gpio8";
+        };
+
+        pinctrl_ephy3_led: ephy3_led {
+          function = "ephy3_led";
+          pins = "gpio9";
+        };
+
+        pinctrl_robosw_led_data: robosw_led_data {
+          function = "robosw_led_data";
+          pins = "gpio10";
+        };
+
+        pinctrl_robosw_led_clk: robosw_led_clk {
+          function = "robosw_led_clk";
+          pins = "gpio11";
+        };
+
+        pinctrl_robosw_led0: robosw_led0 {
+          function = "robosw_led0";
+          pins = "gpio12";
+        };
+
+        pinctrl_robosw_led1: robosw_led1 {
+          function = "robosw_led1";
+          pins = "gpio13";
+        };
+
+        pinctrl_usb_device_led: usb_device_led {
+          function = "usb_device_led";
+          pins = "gpio14";
+        };
+
+        pinctrl_pci: pci {
+          pinctrl_pci_req1: pci_req1 {
+            function = "pci_req1";
+            pins = "gpio16";
+          };
+
+          pinctrl_pci_gnt1: pci_gnt1 {
+            function = "pci_gnt1";
+            pins = "gpio17";
+          };
+
+          pinctrl_pci_intb: pci_intb {
+            function = "pci_intb";
+            pins = "gpio18";
+          };
+
+          pinctrl_pci_req0: pci_req0 {
+            function = "pci_req0";
+            pins = "gpio19";
+          };
+
+          pinctrl_pci_gnt0: pci_gnt0 {
+            function = "pci_gnt0";
+            pins = "gpio20";
+          };
+        };
+
+        pinctrl_pcmcia: pcmcia {
+          pinctrl_pcmcia_cd1: pcmcia_cd1 {
+            function = "pcmcia_cd1";
+            pins = "gpio22";
+          };
+
+          pinctrl_pcmcia_cd2: pcmcia_cd2 {
+            function = "pcmcia_cd2";
+            pins = "gpio23";
+          };
+
+          pinctrl_pcmcia_vs1: pcmcia_vs1 {
+            function = "pcmcia_vs1";
+            pins = "gpio24";
+          };
+
+          pinctrl_pcmcia_vs2: pcmcia_vs2 {
+            function = "pcmcia_vs2";
+            pins = "gpio25";
+          };
+        };
+
+        pinctrl_ebi_cs2: ebi_cs2 {
+          function = "ebi_cs2";
+          pins = "gpio26";
+        };
+
+        pinctrl_ebi_cs3: ebi_cs3 {
+          function = "ebi_cs3";
+          pins = "gpio27";
+        };
+
+        pinctrl_spi_cs2: spi_cs2 {
+          function = "spi_cs2";
+          pins = "gpio28";
+        };
+
+        pinctrl_spi_cs3: spi_cs3 {
+          function = "spi_cs3";
+          pins = "gpio29";
+        };
+
+        pinctrl_spi_cs4: spi_cs4 {
+          function = "spi_cs4";
+          pins = "gpio30";
+        };
+
+        pinctrl_spi_cs5: spi_cs5 {
+          function = "spi_cs5";
+          pins = "gpio31";
+        };
+
+        pinctrl_uart1: uart1 {
+          function = "uart1";
+          group = "uart1_grp";
+        };
+      };
+    };
-- 
2.20.1