Re: [PATCH v4 1/3] dt-bindings: pinctrl: Document Tegra234 pin controllers

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On 02/06/2023 16:14, Thierry Reding wrote:
> From: Prathamesh Shete <pshete@xxxxxxxxxx>
> 
> Tegra234 contains two pin controllers. Document their compatible strings
> and describe the list of pins and functions that they provide.
> 
> Signed-off-by: Prathamesh Shete <pshete@xxxxxxxxxx>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v4:
> - move "$ref" and "required" properties into more standard locations
> - use "additionalProperties: true" for common bindings
> - use unevaluatedProperties for specific bindings
> - only allow valid per-SoC pin group properties
> - drop unnecessary or duplicated properties
> 
> Changes in v3:
> - split up into multiple files (suggested by Krzysztof)
> - do not permit underscore in pinmux node names
> - reword commit message
> 
>  .../pinctrl/nvidia,tegra234-pinmux-aon.yaml   |  59 ++++++++
>  .../nvidia,tegra234-pinmux-common.yaml        |  66 +++++++++
>  .../pinctrl/nvidia,tegra234-pinmux.yaml       | 139 ++++++++++++++++++
>  3 files changed, 264 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-common.yaml
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml
> new file mode 100644
> index 000000000000..4ec969451eec
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/nvidia,tegra234-pinmux-aon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NVIDIA Tegra234 AON Pinmux Controller
> +
> +maintainers:
> +  - Thierry Reding <thierry.reding@xxxxxxxxx>
> +  - Jon Hunter <jonathanh@xxxxxxxxxx>
> +
> +$ref: nvidia,tegra234-pinmux-common.yaml
> +
> +properties:
> +  compatible:
> +    const: nvidia,tegra234-pinmux-aon
> +
> +patternProperties:
> +  "^pinmux(-[a-z0-9-]+)?$":
> +    type: object
> +
> +    # pin groups
> +    additionalProperties:
> +      properties:
> +        nvidia,pins:
> +          items:
> +            enum: [ can0_dout_paa0, can0_din_paa1, can1_dout_paa2,
> +                    can1_din_paa3, can0_stb_paa4, can0_en_paa5,
> +                    soc_gpio49_paa6, can0_err_paa7, can1_stb_pbb0,
> +                    can1_en_pbb1, soc_gpio50_pbb2, can1_err_pbb3,
> +                    spi2_sck_pcc0, spi2_miso_pcc1, spi2_mosi_pcc2,
> +                    spi2_cs0_pcc3, touch_clk_pcc4, uart3_tx_pcc5,
> +                    uart3_rx_pcc6, gen2_i2c_scl_pcc7, gen2_i2c_sda_pdd0,
> +                    gen8_i2c_scl_pdd1, gen8_i2c_sda_pdd2,
> +                    sce_error_pee0, vcomp_alert_pee1,
> +                    ao_retention_n_pee2, batt_oc_pee3, power_on_pee4,
> +                    soc_gpio26_pee5, soc_gpio27_pee6, bootv_ctl_n_pee7,
> +                    hdmi_cec_pgg0,
> +                    # drive groups
> +                    drive_touch_clk_pcc4, drive_uart3_rx_pcc6,
> +                    drive_uart3_tx_pcc5, drive_gen8_i2c_sda_pdd2,
> +                    drive_gen8_i2c_scl_pdd1, drive_spi2_mosi_pcc2,
> +                    drive_gen2_i2c_scl_pcc7, drive_spi2_cs0_pcc3,
> +                    drive_gen2_i2c_sda_pdd0, drive_spi2_sck_pcc0,
> +                    drive_spi2_miso_pcc1, drive_can1_dout_paa2,
> +                    drive_can1_din_paa3, drive_can0_dout_paa0,
> +                    drive_can0_din_paa1, drive_can0_stb_paa4,
> +                    drive_can0_en_paa5, drive_soc_gpio49_paa6,
> +                    drive_can0_err_paa7, drive_can1_stb_pbb0,
> +                    drive_can1_en_pbb1, drive_soc_gpio50_pbb2,
> +                    drive_can1_err_pbb3, drive_sce_error_pee0,
> +                    drive_batt_oc_pee3, drive_bootv_ctl_n_pee7,
> +                    drive_power_on_pee4, drive_soc_gpio26_pee5,
> +                    drive_soc_gpio27_pee6, drive_ao_retention_n_pee2,
> +                    drive_vcomp_alert_pee1, drive_hdmi_cec_pgg0 ]
> +
> +unevaluatedProperties: false

I missed in the previous review, apologies, can you add here example
DTS? Each device binding (except common parts) is expected to have example.

Best regards,
Krzysztof




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