Re: [PATCH v7 05/22] dt-bindings: add BCM6328 pincontroller binding documentation

[Rob Herring <robh@kernel.org>]

On Mon, Mar 15, 2021 at 12:41:57PM +0100, Álvaro Fernández Rojas wrote:
> Add binding documentation for the pincontrol core found in BCM6328 SoCs.
> 
> Co-developed-by: Jonas Gorski <jonas.gorski@gmail.com>
> Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
> ---
>  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,bcm6328-pinctrl.yaml         | 132 ++++++++++++++++++
>  1 file changed, 132 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
> new file mode 100644
> index 000000000000..e1ecdc578f32
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
> @@ -0,0 +1,132 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6328-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom BCM6328 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,bcm6328-pinctrl
> +
> +  reg:
> +    maxItems: 1
> +
> +patternProperties:
> +  '^.*-pins$':

'-pins$' is equivalent.

> +    if:
> +      type: object
> +    then:

You don't need this if/then. This should be:

'-pins$':
  type: object
  $ref: pinmux-node.yaml#

  additionalProperties: false
  properties:
    ...

> +      properties:
> +        function:
> +          $ref: "pinmux-node.yaml#/properties/function"

Drop this as you need the $ref up a level.

> +          enum: [ serial_led_data, serial_led_clk, inet_act_led, pcie_clkreq,
> +                  led, ephy0_act_led, ephy1_act_led, ephy2_act_led,
> +                  ephy3_act_led, hsspi_cs1, usb_device_port, usb_host_port ]
> +
> +        pins:
> +          $ref: "pinmux-node.yaml#/properties/pins"
> +          enum: [ gpio6, gpio7, gpio11, gpio16, gpio17, gpio18, gpio19,
> +                  gpio20, gpio25, gpio26, gpio27, gpio28, hsspi_cs1,
> +                  usb_port1 ]
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pinctrl@18 {
> +      compatible = "brcm,bcm6328-pinctrl";
> +      reg = <0x18 0x10>;
> +
> +      pinctrl_serial_led: serial_led-pins {
> +        pinctrl_serial_led_data: serial_led_data-pins {
> +          function = "serial_led_data";
> +          pins = "gpio6";
> +        };
> +
> +        pinctrl_serial_led_clk: serial_led_clk-pins {
> +          function = "serial_led_clk";
> +          pins = "gpio7";
> +        };
> +      };
> +
> +      pinctrl_inet_act_led: inet_act_led-pins {
> +        function = "inet_act_led";
> +        pins = "gpio11";
> +      };
> +
> +      pinctrl_pcie_clkreq: pcie_clkreq-pins {
> +        function = "pcie_clkreq";
> +        pins = "gpio16";
> +      };
> +
> +      pinctrl_ephy0_spd_led: ephy0_spd_led-pins {
> +        function = "led";
> +        pins = "gpio17";
> +      };
> +
> +      pinctrl_ephy1_spd_led: ephy1_spd_led-pins {
> +        function = "led";
> +        pins = "gpio18";
> +      };
> +
> +      pinctrl_ephy2_spd_led: ephy2_spd_led-pins {
> +        function = "led";
> +        pins = "gpio19";
> +      };
> +
> +      pinctrl_ephy3_spd_led: ephy3_spd_led-pins {
> +        function = "led";
> +        pins = "gpio20";
> +      };
> +
> +      pinctrl_ephy0_act_led: ephy0_act_led-pins {
> +        function = "ephy0_act_led";
> +        pins = "gpio25";
> +      };
> +
> +      pinctrl_ephy1_act_led: ephy1_act_led-pins {
> +        function = "ephy1_act_led";
> +        pins = "gpio26";
> +      };
> +
> +      pinctrl_ephy2_act_led: ephy2_act_led-pins {
> +        function = "ephy2_act_led";
> +        pins = "gpio27";
> +      };
> +
> +      pinctrl_ephy3_act_led: ephy3_act_led-pins {
> +        function = "ephy3_act_led";
> +        pins = "gpio28";
> +      };
> +
> +      pinctrl_hsspi_cs1: hsspi_cs1-pins {
> +        function = "hsspi_cs1";
> +        pins = "hsspi_cs1";
> +      };
> +
> +      pinctrl_usb_port1_device: usb_port1_device-pins {
> +        function = "usb_device_port";
> +        pins = "usb_port1";
> +      };
> +
> +      pinctrl_usb_port1_host: usb_port1_host-pins {
> +        function = "usb_host_port";
> +        pins = "usb_port1";
> +      };
> +    };
> -- 
> 2.20.1
>