Re: [PATCH V3 3/9] dt-bindings: pinctrl: qcom: Add support for ipq5018

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On 14/04/2023 12:29, Sricharan Ramabadhran wrote:
> Add device tree binding Documentation details for ipq5018
> pinctrl driver.
> 

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

> +
> +  interrupt-controller: true
> +  "#interrupt-cells": true
> +  gpio-controller: true
> +  "#gpio-cells": true
> +  gpio-ranges: true
> +  wakeup-parent: true
> +
> +  gpio-reserved-ranges:
> +    minItems: 1
> +    maxItems: 33

24
(you cannot have more than 24...)

> +
> +  gpio-line-names:
> +    maxItems: 47
> +
> +patternProperties:
> +  "-state$":
> +    oneOf:
> +      - $ref: "#/$defs/qcom-ipq5018-tlmm-state"
> +      - patternProperties:
> +          "-pins$":
> +            $ref: "#/$defs/qcom-ipq5018-tlmm-state"
> +        additionalProperties: false
> +
> +$defs:
> +  qcom-ipq5018-tlmm-state:
> +    type: object
> +    description:
> +      Pinctrl node's client devices use subnodes for desired pin configuration.
> +      Client device subnodes use below standard properties.
> +    $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
> +
> +    properties:
> +      pins:
> +        description:
> +          List of gpio pins affected by the properties specified in this
> +          subnode.
> +        items:
> +          pattern: "^gpio([0-9]|[1-3][0-9]|4[0-6])$"
> +        minItems: 1
> +        maxItems: 8
> +
> +      function:
> +        description:
> +          Specify the alternative function to be configured for the specified
> +          pins.
> +
> +        enum: [ atest_char, audio_pdm0, audio_pdm1, audio_rxbclk, audio_rxd,
> +                audio_rxfsync, audio_rxmclk, audio_txbclk, audio_txd,
> +                audio_txfsync, audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart0,
> +                blsp0_uart1, blsp1_i2c0, blsp1_i2c1, blsp1_spi0, blsp1_spi1,
> +                blsp1_uart0, blsp1_uart1, blsp1_uart2, blsp2_i2c0, blsp2_i2c1,
> +                blsp2_spi, blsp2_spi0, blsp2_spi1, btss, burn0, burn1, cri_trng,
> +                cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio,
> +                gcc_plltest, gcc_tlmm, gpio, led0, led2, mac0, mac1, mdc, mdio,
> +                pcie0_clk, pcie0_wake, pcie1_clk, pcie1_wake, pll_test,
> +                prng_rosc, pwm0, pwm1, pwm2, pwm3, qdss_cti_trig_in_a0,
> +                qdss_cti_trig_in_a1, qdss_cti_trig_in_b0, qdss_cti_trig_in_b1,
> +                qdss_cti_trig_out_a0, qdss_cti_trig_out_a1,
> +                qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a,
> +                qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
> +                qdss_tracedata_a, qdss_tracedata_b, qspi_clk, qspi_cs,
> +                qspi_data, reset_out, sdc1_clk, sdc1_cmd, sdc1_data, wci_txd,
> +                wci_rxd, wsa_swrm, wsi_clk3, wsi_data3, wsis_reset, xfem ]
> +
> +      bias-pull-down: true
> +      bias-pull-up: true
> +      bias-disable: true
> +      drive-strength: true
> +      input-enable: true
> +      output-high: true
> +      output-low: true

Drop all these 7, especially that input-enable is not allowed explicitly.

> +
> +    required:
> +      - pins
> +
> +    additionalProperties: false

Instead:
unevaluatedProperties: false
and put it after the $ref above. Just like recent changes in the next.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    tlmm: pinctrl@1000000 {
> +        compatible = "qcom,ipq5018-tlmm";
> +        reg = <0x01000000 0x300000>;
> +        gpio-controller;
> +        #gpio-cells = <2>;
> +        gpio-ranges = <&tlmm 0 0 47>;
> +        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-controller;
> +        #interrupt-cells = <2>;
> +
> +        uart2-state {
> +            pins = "gpio34", "gpio35";
> +            function = "blsp2_uart";

Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

Best regards,
Krzysztof




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