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
