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Date: Fri, 21 Jan 2022 15:49:56 -0600
From: Rob Herring <robh@...nel.org>
To: David Heidelberg <david@...t.cz>
Cc: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>, ~okias/devicetree@...ts.sr.ht,
linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH v3] dt-bindings: display/msm: hdmi: split and convert to
yaml
On Sun, Jan 09, 2022 at 01:03:47AM +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
> - phy part moved into phy/ directory
>
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
> v2:
> - move phy into phy/
> - added maxItems for gpios
> - simplified pinctrl-names
> - dropped some inconsistent quotes
>
> v3:
> - adjusted $id of phy file to the new path from v2
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
> .../devicetree/bindings/display/msm/hdmi.txt | 99 ---------
> .../bindings/display/msm/qcom,hdmi.yaml | 206 ++++++++++++++++++
> .../bindings/phy/qcom,hdmi-phy.yaml | 119 ++++++++++
> 3 files changed, 325 insertions(+), 99 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/msm/hdmi.txt
> create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> create mode 100644 Documentation/devicetree/bindings/phy/qcom,hdmi-phy.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@...0000 {
> - 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@...0400 {
> - 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.yaml b/Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> new file mode 100644
> index 000000000000..33ebc879af93
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,hdmi.yaml
> @@ -0,0 +1,206 @@
> +# 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@...il.com>
> +
> +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
So for !8996 we have a 1-5 undefined clocks? Though like all the other
messes I imagine there's 5 different variations.
> +
> +
> +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:
> + maxItems: 1
> + description: The interrupt signal from the hdmi block.
Don't need a generic description.
> +
> + power-domains:
> + description: should be <&mmcc MDSS_GDSC>
Drop. Should be 'maxItems: 1'.
> +
> + 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
How many?
> +
> + phy-names:
> + description: the name of the corresponding PHY device
names?
> +
> + hpd-gpios:
> + maxItems: 1
> + description: hpd pin
> +
> + qcom,hdmi-tx-ddc-clk-gpios:
> + maxItems: 1
> + description: HDMI DDC clock
> +
> + qcom,hdmi-tx-ddc-data-gpios:
> + maxItems: 1
> + description: HDMI DDC data
> +
> + qcom,hdmi-tx-mux-en-gpios:
> + maxItems: 1
> + description: HDMI mux enable pin
> +
> + qcom,hdmi-tx-mux-sel-gpios:
> + maxItems: 1
> + description: HDMI mux select pin
> +
> + qcom,hdmi-tx-mux-lpm-gpios:
> + maxItems: 1
> + description: HDMI mux lpm pin
> +
> + pinctrl-0: true
> + pinctrl-1: true
> +
> + pinctrl-names:
> + minItems: 1
> + items:
> + - const: default
> + - const: sleep
> +
> + '#phy-cells':
> + const: 0
The HDMI block is a phy provider?
> +
> + '#sound-dai-cells':
> + const: 1
> +
> + ports:
> + type: object
> + $ref: /schemas/graph.yaml#/properties/ports
> + 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:
> + $ref: /schemas/media/video-interfaces.yaml#
> + unevaluatedProperties: false
> + properties:
> + data-lanes:
> + maxItems: 4
> + minItems: 4
> + items:
> + enum: [0, 1, 2, 3]
> +
> + required:
> + - port@0
> +
> +required:
> + - compatible
> + - clocks
> + - clock-names
> + - reg
> + - reg-names
> + - interrupts
> + - phys
> + - phy-names
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + hdmi: hdmi@...0000 {
> + compatible = "qcom,hdmi-tx-8960";
> + reg-names = "core_physical";
> + reg = <0x04a00000 0x2f0>;
> + interrupts = <0 79 0>;
> + power-domains = <&mmcc 1>;
> + clock-names =
> + "core",
> + "master_iface",
> + "slave_iface";
> + clocks =
> + <&clk 61>,
> + <&clk 72>,
> + <&clk 98>;
> + qcom,hdmi-tx-ddc-clk-gpios = <&msmgpio 70 0>;
> + qcom,hdmi-tx-ddc-data-gpios = <&msmgpio 71 0>;
> + hpd-gpios = <&msmgpio 72 0>;
> + core-vdda-supply = <&pm8921_hdmi_mvs>;
> + hdmi-mux-supply = <&ext_3p3v>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&hpd_active &ddc_active &cec_active>;
> + pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
> +
> + phys = <&hdmi_phy>;
> + phy-names = "hdmi_phy";
> + };
> diff --git a/Documentation/devicetree/bindings/phy/qcom,hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,hdmi-phy.yaml
> new file mode 100644
> index 000000000000..1203b0c6709f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/qcom,hdmi-phy.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: "http://devicetree.org/schemas/phy/qcom,hdmi-phy.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Qualcomm Adreno/Snapdragon HDMI phy
> +
> +maintainers:
> + - Rob Clark <robdclark@...il.com>
> +
> +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@...0400 {
> + 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>;
> + };
> --
> 2.34.1
>
>
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