| Message ID | 20210511041930.592483-1-bjorn.andersson@linaro.org |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | [1/2] dt-bindings: phy: Introduce Qualcomm eDP/DP PHY binding | expand |
Quoting Bjorn Andersson (2021-05-10 21:19:29) > diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > new file mode 100644 > index 000000000000..c258e4f7e332 > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > @@ -0,0 +1,69 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > + > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/phy/qcom,edp-phy.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Qualcomm DP/eDP PHY > + > +maintainers: > + - Bjorn Andersson <bjorn.andersson@linaro.org> > + > +description: > + The Qualcomm DP/eDP PHY is found in a number of Qualcomm platform and > + provides the physical interface for DisplayPort and Embedded Display Port. > + > +properties: > + compatible: > + enum: > + - qcom,sc8180x-dp-phy > + - qcom,sc8180x-edp-phy > + > + reg: > + items: > + - description: PHY base register block > + - description: tx0 register block > + - description: tx1 register block > + - description: PLL register block > + > + clocks: > + maxItems: 2 Can this be items: - const: again? I think having maxItems means you can have one or two items, which wouldn't match the number of clock-names then. > + > + clock-names: > + items: > + - const: aux > + - const: cfg_ahb > +
On Tue, May 11, 2021 at 10:24:06AM -0700, Stephen Boyd wrote: > Quoting Bjorn Andersson (2021-05-10 21:19:29) > > diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > > new file mode 100644 > > index 000000000000..c258e4f7e332 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > > @@ -0,0 +1,69 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > + > > +%YAML 1.2 > > +--- > > +$id: "http://devicetree.org/schemas/phy/qcom,edp-phy.yaml#" > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > > + > > +title: Qualcomm DP/eDP PHY > > + > > +maintainers: > > + - Bjorn Andersson <bjorn.andersson@linaro.org> > > + > > +description: > > + The Qualcomm DP/eDP PHY is found in a number of Qualcomm platform and > > + provides the physical interface for DisplayPort and Embedded Display Port. > > + > > +properties: > > + compatible: > > + enum: > > + - qcom,sc8180x-dp-phy > > + - qcom,sc8180x-edp-phy Is there a difference in DP and eDP? > > + > > + reg: > > + items: > > + - description: PHY base register block > > + - description: tx0 register block > > + - description: tx1 register block > > + - description: PLL register block > > + > > + clocks: > > + maxItems: 2 > > Can this be items: - const: again? I think having maxItems means you can > have one or two items, which wouldn't match the number of clock-names > then. No, it's implicitly 'minItems: 2'. But you can have 'items' if a description of each clock is useful. > > > + > > + clock-names: > > + items: > > + - const: aux > > + - const: cfg_ahb > > +
diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml new file mode 100644 index 000000000000..c258e4f7e332 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/phy/qcom,edp-phy.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm DP/eDP PHY + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + The Qualcomm DP/eDP PHY is found in a number of Qualcomm platform and + provides the physical interface for DisplayPort and Embedded Display Port. + +properties: + compatible: + enum: + - qcom,sc8180x-dp-phy + - qcom,sc8180x-edp-phy + + reg: + items: + - description: PHY base register block + - description: tx0 register block + - description: tx1 register block + - description: PLL register block + + clocks: + maxItems: 2 + + clock-names: + items: + - const: aux + - const: cfg_ahb + + "#clock-cells": + const: 1 + + "#phy-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - clock-names + - "#clock-cells" + - "#phy-cells" + +additionalProperties: false + +examples: + - | + phy@aec2a00 { + compatible = "qcom,sc8180x-edp-phy"; + reg = <0x0aec2a00 0x1c0>, + <0x0aec2200 0xa0>, + <0x0aec2600 0xa0>, + <0x0aec2000 0x19c>; + + clocks = <&dispcc 0>, <&dispcc 1>; + clock-names = "aux", "cfg_ahb"; + + #clock-cells = <1>; + #phy-cells = <0>; + }; +...
Introduce a binding for the eDP/DP PHY hardware block found in several different Qualcomm platforms. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- .../devicetree/bindings/phy/qcom,edp-phy.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml