Re: [PATCH v2 1/2] dt-bindings: pinctrl: qcom: Add sm8450 lpass lpi pinctrl bindings

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On 16/08/2022 21:01, Srinivas Kandagatla wrote:
> Add device tree binding Documentation details for Qualcomm SM8450
> LPASS(Low Power Audio Sub System) LPI(Low Power Island) pinctrl driver.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
>  .../qcom,sm8450-lpass-lpi-pinctrl.yaml        | 136 ++++++++++++++++++
>  1 file changed, 136 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
> 

Thank you for your patch. There is something to discuss/improve.

> +  gpio-ranges:
> +    maxItems: 1
> +
> +#PIN CONFIGURATION NODES
> +patternProperties:
> +  '-pins$':
> +    type: object
> +    description:
> +      Pinctrl node's client devices use subnodes for desired pin configuration.
> +      Client device subnodes use below standard properties.
> +    $ref: "/schemas/pinctrl/pincfg-node.yaml"

Drop quotes.

> +
> +    properties:
> +      pins:
> +        description:
> +          List of gpio pins affected by the properties specified in this
> +          subnode.
> +        items:
> +          pattern: "^gpio([0-1]|[0-8]])$"

Similarly to your other patch SC8280XP - this looks not correct.
> +
> +      function:
> +        enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data,
> +                dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic4_clk,
> +                dmic4_data, i2s2_clk, i2s2_ws, dmic3_clk, dmic3_data,
> +                qua_mi2s_sclk, qua_mi2s_ws, qua_mi2s_data, i2s1_clk, i2s1_ws,
> +                i2s1_data, wsa_swr_clk, wsa_swr_data, wsa2_swr_clk,
> +                wsa2_swr_data, i2s2_data, i2s4_ws, i2s4_clk, i2s4_data,
> +                slimbus_clk, i2s3_clk, i2s3_ws, i2s3_data, slimbus_data,
> +                ext_mclk1_c, ext_mclk1_b, ext_mclk1_a, ext_mclk1_d,
> +                ext_mclk1_e ]
> +
> +        description:
> +          Specify the alternative function to be configured for the specified
> +          pins.
> +
> +      drive-strength:
> +        enum: [2, 4, 6, 8, 10, 12, 14, 16]
> +        default: 2
> +        description:
> +          Selects the drive strength for the specified pins, in mA.
> +
> +      slew-rate:
> +        enum: [0, 1, 2, 3]
> +        default: 0
> +        description: |
> +          0: No adjustments
> +          1: Higher Slew rate (faster edges)
> +          2: Lower Slew rate (slower edges)
> +          3: Reserved (No adjustments)
> +
> +      bias-pull-down: true
> +
> +      bias-pull-up: true
> +
> +      bias-disable: true
> +
> +      output-high: true
> +
> +      output-low: true
> +
> +    required:
> +      - pins
> +      - function
> +
> +    additionalProperties: false
> +
> +allOf:
> +  - $ref: "pinctrl.yaml#"

Drop the quotes.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - gpio-controller
> +  - '#gpio-cells'
> +  - gpio-ranges
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/sound/qcom,q6afe.h>
> +    lpi_tlmm: pinctrl@33c0000 {

Drop label.


Best regards,
Krzysztof



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