Re: [PATCH] dt-bindings: display/msm: hdmi: split and convert to yaml

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On Fri, Dec 24, 2021 at 05:24:57PM +0100, David Heidelberg wrote:
> Convert Qualcomm HDMI binding into HDMI TX and PHY yaml bindings.
> 
> Other changes:
>  - fixed reg-names numbering to match 0..3 instead 0,1,3,4
> 
> Signed-off-by: David Heidelberg <david@xxxxxxx>
> ---
>  .../devicetree/bindings/display/msm/hdmi.txt  |  99 ---------
>  .../bindings/display/msm/qcom,hdmi-phy.yaml   | 119 +++++++++++

PHYs go in bindings/phy/

>  .../bindings/display/msm/qcom,hdmi.yaml       | 201 ++++++++++++++++++
>  3 files changed, 320 insertions(+), 99 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/display/msm/hdmi.txt
>  create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,hdmi-phy.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/hdmi.txt b/Documentation/devicetree/bindings/display/msm/hdmi.txt
> deleted file mode 100644
> index 5f90a40da51b..000000000000
> --- a/Documentation/devicetree/bindings/display/msm/hdmi.txt
> +++ /dev/null
> @@ -1,99 +0,0 @@
> -Qualcomm adreno/snapdragon hdmi output
> -
> -Required properties:
> -- compatible: one of the following
> -   * "qcom,hdmi-tx-8996"
> -   * "qcom,hdmi-tx-8994"
> -   * "qcom,hdmi-tx-8084"
> -   * "qcom,hdmi-tx-8974"
> -   * "qcom,hdmi-tx-8660"
> -   * "qcom,hdmi-tx-8960"
> -- reg: Physical base address and length of the controller's registers
> -- reg-names: "core_physical"
> -- interrupts: The interrupt signal from the hdmi block.
> -- power-domains: Should be <&mmcc MDSS_GDSC>.
> -- clocks: device clocks
> -  See ../clocks/clock-bindings.txt for details.
> -- core-vdda-supply: phandle to supply regulator
> -- hdmi-mux-supply: phandle to mux regulator
> -- phys: the phandle for the HDMI PHY device
> -- phy-names: the name of the corresponding PHY device
> -
> -Optional properties:
> -- hpd-gpios: hpd pin
> -- qcom,hdmi-tx-mux-en-gpios: hdmi mux enable pin
> -- qcom,hdmi-tx-mux-sel-gpios: hdmi mux select pin
> -- qcom,hdmi-tx-mux-lpm-gpios: hdmi mux lpm pin
> -- power-domains: reference to the power domain(s), if available.
> -- pinctrl-names: the pin control state names; should contain "default"
> -- pinctrl-0: the default pinctrl state (active)
> -- pinctrl-1: the "sleep" pinctrl state
> -
> -HDMI PHY:
> -Required properties:
> -- compatible: Could be the following
> -  * "qcom,hdmi-phy-8660"
> -  * "qcom,hdmi-phy-8960"
> -  * "qcom,hdmi-phy-8974"
> -  * "qcom,hdmi-phy-8084"
> -  * "qcom,hdmi-phy-8996"
> -- #phy-cells: Number of cells in a PHY specifier; Should be 0.
> -- reg: Physical base address and length of the registers of the PHY sub blocks.
> -- reg-names: The names of register regions. The following regions are required:
> -  * "hdmi_phy"
> -  * "hdmi_pll"
> -  For HDMI PHY on msm8996, these additional register regions are required:
> -    * "hdmi_tx_l0"
> -    * "hdmi_tx_l1"
> -    * "hdmi_tx_l3"
> -    * "hdmi_tx_l4"
> -- power-domains: Should be <&mmcc MDSS_GDSC>.
> -- clocks: device clocks
> -  See Documentation/devicetree/bindings/clock/clock-bindings.txt for details.
> -- core-vdda-supply: phandle to vdda regulator device node
> -
> -Example:
> -
> -/ {
> -	...
> -
> -	hdmi: hdmi@4a00000 {
> -		compatible = "qcom,hdmi-tx-8960";
> -		reg-names = "core_physical";
> -		reg = <0x04a00000 0x2f0>;
> -		interrupts = <GIC_SPI 79 0>;
> -		power-domains = <&mmcc MDSS_GDSC>;
> -		clock-names =
> -		    "core",
> -		    "master_iface",
> -		    "slave_iface";
> -		clocks =
> -		    <&mmcc HDMI_APP_CLK>,
> -		    <&mmcc HDMI_M_AHB_CLK>,
> -		    <&mmcc HDMI_S_AHB_CLK>;
> -		qcom,hdmi-tx-ddc-clk = <&msmgpio 70 GPIO_ACTIVE_HIGH>;
> -		qcom,hdmi-tx-ddc-data = <&msmgpio 71 GPIO_ACTIVE_HIGH>;
> -		qcom,hdmi-tx-hpd = <&msmgpio 72 GPIO_ACTIVE_HIGH>;
> -		core-vdda-supply = <&pm8921_hdmi_mvs>;
> -		hdmi-mux-supply = <&ext_3p3v>;
> -		pinctrl-names = "default", "sleep";
> -		pinctrl-0 = <&hpd_active  &ddc_active  &cec_active>;
> -		pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
> -
> -		phys = <&hdmi_phy>;
> -		phy-names = "hdmi_phy";
> -	};
> -
> -	hdmi_phy: phy@4a00400 {
> -		compatible = "qcom,hdmi-phy-8960";
> -		reg-names = "hdmi_phy",
> -			    "hdmi_pll";
> -		reg = <0x4a00400 0x60>,
> -		      <0x4a00500 0x100>;
> -		#phy-cells = <0>;
> -		power-domains = <&mmcc MDSS_GDSC>;
> -		clock-names = "slave_iface";
> -		clocks = <&mmcc HDMI_S_AHB_CLK>;
> -		core-vdda-supply = <&pm8921_hdmi_mvs>;
> -	};
> -};
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,hdmi-phy.yaml b/Documentation/devicetree/bindings/display/msm/qcom,hdmi-phy.yaml
> new file mode 100644
> index 000000000000..be08fc767435
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,hdmi-phy.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: "http://devicetree.org/schemas/display/msm/qcom,hdmi-phy.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Qualcomm Adreno/Snapdragon HDMI phy
> +
> +maintainers:
> +  - Rob Clark <robdclark@xxxxxxxxx>
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,hdmi-phy-8996
> +    then:
> +      properties:
> +        reg:
> +          minItems: 6
> +          maxItems: 6
> +
> +        reg-names:
> +          items:
> +            - const: hdmi_pll
> +            - const: hdmi_tx_l0
> +            - const: hdmi_tx_l1
> +            - const: hdmi_tx_l2
> +            - const: hdmi_tx_l3
> +            - const: hdmi_phy
> +
> +    else:
> +      properties:
> +        reg:
> +          minItems: 2
> +          maxItems: 2
> +
> +        reg-names:
> +          items:
> +            - const: hdmi_phy
> +            - const: hdmi_pll
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,hdmi-phy-8960
> +    then:
> +      properties:
> +        clock-names:
> +          const: slave_iface
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,hdmi-phy-8996
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: iface
> +            - const: ref
> +
> +properties:
> +  compatible:
> +    contains:
> +      enum:
> +        - qcom,hdmi-phy-8084
> +        - qcom,hdmi-phy-8660
> +        - qcom,hdmi-phy-8960
> +        - qcom,hdmi-phy-8974
> +        - qcom,hdmi-phy-8994
> +        - qcom,hdmi-phy-8996
> +
> +  reg: true
> +
> +  reg-names: true
> +
> +  clocks: true
> +
> +  clock-names: true
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  core-vdda-supply: true
> +
> +  vcca-supply: true
> +
> +  vddio-supply: true
> +
> +  '#phy-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - clocks
> +  - reg
> +  - reg-names
> +  - '#phy-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    hdmi_phy: phy@4a00400 {
> +      compatible = "qcom,hdmi-phy-8960";
> +      reg-names = "hdmi_phy",
> +                  "hdmi_pll";
> +      reg = <0x4a00400 0x60>,
> +            <0x4a00500 0x100>;
> +      #phy-cells = <0>;
> +      power-domains = <&mmcc 1>;
> +      clock-names = "slave_iface";
> +      clocks = <&clk 21>;
> +      core-vdda-supply = <&pm8921_hdmi_mvs>;
> +    };
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml b/Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> new file mode 100644
> index 000000000000..72f7a58c078a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> @@ -0,0 +1,201 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: "http://devicetree.org/schemas/display/msm/qcom,hdmi.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Qualcomm Adreno/Snapdragon HDMI output
> +
> +maintainers:
> +  - Rob Clark <robdclark@xxxxxxxxx>
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,hdmi-tx-8996
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 5
> +          maxItems: 5
> +
> +        clock-names:
> +          items:
> +            - const: mdp_core
> +            - const: iface
> +            - const: core
> +            - const: alt_iface
> +            - const: extp
> +    else:
> +      properties:
> +        clocks:
> +          minItems: 1
> +          maxItems: 5
> +
> +        clock-names:
> +          minItems: 1
> +          maxItems: 5
> +
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,hdmi-tx-8996
> +      - qcom,hdmi-tx-8994
> +      - qcom,hdmi-tx-8084
> +      - qcom,hdmi-tx-8974
> +      - qcom,hdmi-tx-8660
> +      - qcom,hdmi-tx-8960
> +
> +  clocks: true
> +
> +  clock-names: true
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 3
> +    description: Physical base address and length of the controller's registers
> +
> +  reg-names:
> +    minItems: 1
> +    items:
> +      - const: core_physical
> +      - const: qfprom_physical
> +      - const: hdcp_physical
> +
> +  interrupts:
> +    description: The interrupt signal from the hdmi block.

How many?

> +
> +  power-domains:
> +    description: should be <&mmcc MDSS_GDSC>

How many?

> +
> +  core-vdda-supply: true
> +
> +  core-vcc-supply: true
> +
> +  hdmi-mux-supply:
> +    description: phandle to mux regulator
> +
> +  phys:
> +    description: the phandle for the HDMI PHY device
> +
> +  phy-names:
> +    description: the name of the corresponding PHY device
> +
> +  hpd-gpios:
> +    description: hpd pin

How many?

> +
> +  qcom,hdmi-tx-ddc-clk-gpios:
> +    description: HDMI DDC clock

How many? And so on...

> +
> +  qcom,hdmi-tx-ddc-data-gpios:
> +    description: HDMI DDC data
> +
> +  qcom,hdmi-tx-mux-en-gpios:
> +    description: HDMI mux enable pin
> +
> +  qcom,hdmi-tx-mux-sel-gpios:
> +    description: HDMI mux select pin
> +
> +  qcom,hdmi-tx-mux-lpm-gpios:
> +    description: HDMI mux lpm pin
> +
> +  pinctrl-0: true
> +  pinctrl-1: true
> +
> +  pinctrl-names:
> +    anyOf:
> +      - items:
> +          - const: default
> +      - items:
> +          - const: default
> +          - const: sleep

Just need the 2nd entry plus 'minItems: 1'

> +
> +  '#phy-cells':
> +    const: 0
> +
> +  '#sound-dai-cells':
> +    const: 1
> +
> +  ports:
> +    type: object
> +    $ref: "/schemas/graph.yaml#/properties/ports"

You can drop quotes. Either is fine, but you've got a mixture.

> +    properties:
> +      port@0:
> +        $ref: "/schemas/graph.yaml#/$defs/port-base"
> +        unevaluatedProperties: false
> +        description: |
> +          Input endpoints of the controller.
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +            properties:
> +              data-lanes:
> +                maxItems: 4
> +                minItems: 4
> +                items:
> +                  enum: [0, 1, 2, 3]
> +
> +      port@1:
> +        $ref: "/schemas/graph.yaml#/$defs/port-base"
> +        unevaluatedProperties: false
> +        description: |
> +          Output endpoints of the controller.
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +            properties:
> +              data-lanes:
> +                maxItems: 4
> +                minItems: 4
> +                items:
> +                  enum: [0, 1, 2, 3]
> +
> +    required:
> +      - port@0
> +
> +required:
> +  - compatible
> +  - clocks
> +  - clock-names
> +  - reg
> +  - reg-names
> +  - interrupts
> +  - phys
> +  - phy-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    hdmi: hdmi@4a00000 {
> +      compatible = "qcom,hdmi-tx-8960";
> +      reg-names = "core_physical";
> +      reg = <0x04a00000 0x2f0>;
> +      interrupts = <0 79 0>;
> +      power-domains = <&mmcc 1>;
> +      clock-names =
> +          "core",
> +          "master_iface",
> +          "slave_iface";
> +      clocks =
> +          <&clk 61>,
> +          <&clk 72>,
> +          <&clk 98>;
> +      qcom,hdmi-tx-ddc-clk-gpios = <&msmgpio 70 0>;
> +      qcom,hdmi-tx-ddc-data-gpios = <&msmgpio 71 0>;
> +      hpd-gpios = <&msmgpio 72 0>;
> +      core-vdda-supply = <&pm8921_hdmi_mvs>;
> +      hdmi-mux-supply = <&ext_3p3v>;
> +      pinctrl-names = "default", "sleep";
> +      pinctrl-0 = <&hpd_active  &ddc_active  &cec_active>;
> +      pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
> +
> +      phys = <&hdmi_phy>;
> +      phy-names = "hdmi_phy";
> +    };
> -- 
> 2.34.1
> 
> 



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