Re: [PATCH 1/2] dt-bindings: pinctrl: qcom: Add sm8250 pinctrl bindings

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On Thu, Apr 16, 2020 at 11:19:06PM -0700, Bjorn Andersson wrote:
> Add device tree binding Documentation details for Qualcomm SM8250
> pinctrl driver.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>  .../bindings/pinctrl/qcom,sm8250-pinctrl.yaml | 147 ++++++++++++++++++
>  1 file changed, 147 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> new file mode 100644
> index 000000000000..6dc3b52f47cd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> @@ -0,0 +1,147 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,sm8250-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. SM8250 TLMM block
> +
> +maintainers:
> +  - Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> +
> +description: |
> +  This binding describes the Top Level Mode Multiplexer block found in the
> +  SM8250 platform.
> +
> +properties:
> +  compatible:
> +    const: qcom,sm8250-pinctrl
> +
> +  reg:
> +    minItems: 3
> +    maxItems: 3
> +
> +  reg-names:
> +    items:
> +      - const: "west"
> +      - const: "south"
> +      - const: "north"
> +
> +  interrupts:
> +    description: Specifies the TLMM summary IRQ
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +  '#interrupt-cells':
> +    description:
> +      Specifies the PIN numbers and Flags, as defined in defined in
> +      include/dt-bindings/interrupt-controller/irq.h
> +    const: 2
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    description: Specifying the pin number and flags, as defined in
> +      include/dt-bindings/gpio/gpio.h
> +    const: 2
> +
> +  gpio-ranges:
> +    maxItems: 1
> +
> +  wakeup-parent:
> +    maxItems: 1
> +
> +#PIN CONFIGURATION NODES
> +patternProperties:
> +  '^.*$':
> +    if:
> +      type: object
> +    then:

Needs a $ref to the standard properties.

Would be good to show a child node in the example too. (And try having 
an error in a standard property type to verify you get an error).

> +      properties:
> +        pins:
> +          description:
> +            List of gpio pins affected by the properties specified in this
> +            subnode.
> +          items:
> +            oneOf:
> +              - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-7][0-9])$"
> +              - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
> +          minItems: 1
> +          maxItems: 36
> +
> +        function:
> +          description:
> +            Specify the alternative function to be configured for the specified
> +            pins.
> +
> +          enum: [ aoss_cti, atest, audio_ref, cam_mclk, cci_async, cci_i2c,
> +            cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4, cri_trng,
> +            cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1,
> +            ddr_pxi2, ddr_pxi3, dp_hot, dp_lcd, gcc_gp1, gcc_gp2, gcc_gp3, gpio,
> +            ibi_i3c, jitter_bist, lpass_slimbus, mdp_vsync, mdp_vsync0,
> +            mdp_vsync1, mdp_vsync2, mdp_vsync3, mi2s0_data0, mi2s0_data1,
> +            mi2s0_sck, mi2s0_ws, mi2s1_data0, mi2s1_data1, mi2s1_sck, mi2s1_ws,
> +            mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws, pci_e0, pci_e1,
> +            pci_e2, phase_flag, pll_bist, pll_bypassnl, pll_clk, pll_reset,
> +            pri_mi2s, prng_rosc, qdss_cti, qdss_gpio, qspi0, qspi1, qspi2, qspi3,
> +            qspi_clk, qspi_cs, qup0, qup1, qup10, qup11, qup12, qup13, qup14,
> +            qup15, qup16, qup17, qup18, qup19, qup2, qup3, qup4, qup5, qup6,
> +            qup7, qup8, qup9, qup_l4, qup_l5, qup_l6, sd_write, sdc40, sdc41,
> +            sdc42, sdc43, sdc4_clk, sdc4_cmd, sec_mi2s, sp_cmu, tgu_ch0, tgu_ch1,
> +            tgu_ch2, tgu_ch3, tsense_pwm1, tsense_pwm2, tsif0_clk, tsif0_data,
> +            tsif0_en, tsif0_error, tsif0_sync, tsif1_clk, tsif1_data, tsif1_en,
> +            tsif1_error, tsif1_sync, usb2phy_ac, usb_phy, vsense_trigger ]
> +
> +        drive-strength:
> +          enum: [2, 4, 6, 8, 10, 12, 14, 16]
> +          default: 2
> +          description:
> +            Selects the drive strength for the specified pins, in mA.
> +
> +        bias-pull-down: true
> +
> +        bias-pull-up: true
> +
> +        bias-disable: true
> +
> +        output-high: true
> +
> +        output-low: true
> +
> +      required:
> +        - pins
> +        - function
> +
> +      additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - interrupts
> +  - interrupt-controller
> +  - '#interrupt-cells'
> +  - gpio-controller
> +  - '#gpio-cells'
> +  - gpio-ranges
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +        #include <dt-bindings/interrupt-controller/arm-gic.h>
> +        pinctrl@1f00000 {
> +                compatible = "qcom,sm8250-pinctrl";
> +                reg = <0x0f100000 0x300000>,
> +                      <0x0f500000 0x300000>,
> +                      <0x0f900000 0x300000>;
> +                reg-names = "west", "south", "north";
> +                interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> +                gpio-controller;
> +                #gpio-cells = <2>;
> +                interrupt-controller;
> +                #interrupt-cells = <2>;
> +                gpio-ranges = <&tlmm 0 0 180>;
> +                wakeup-parent = <&pdc>;
> +        };
> -- 
> 2.24.0
> 



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