[PATCH v4 12/30] dt-bindings: phy: add QMP PCIe PHY schema
From: Johan Hovold
Date: Tue Aug 30 2022 - 07:31:39 EST
The QMP PHY DT schema is getting unwieldy. Break out the PCIe PHY
binding in a separate file.
Add an example node based on a cleaned up version of sm8250.dtsi.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
.../bindings/phy/qcom,qmp-pcie-phy.yaml | 205 ++++++++++++++++++
.../devicetree/bindings/phy/qcom,qmp-phy.yaml | 68 ------
2 files changed, 205 insertions(+), 68 deletions(-)
create mode 100644 Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml
new file mode 100644
index 000000000000..84642cd53b38
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml
@@ -0,0 +1,205 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,qmp-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm QMP PHY controller (PCIe)
+
+maintainers:
+ - Vinod Koul <vkoul@xxxxxxxxxx>
+
+description:
+ QMP PHY controller supports physical layer functionality for a number of
+ controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
+
+properties:
+ compatible:
+ enum:
+ - qcom,ipq6018-qmp-pcie-phy
+ - qcom,ipq8074-qmp-gen3-pcie-phy
+ - qcom,ipq8074-qmp-pcie-phy
+ - qcom,msm8998-qmp-pcie-phy
+ - qcom,sc8180x-qmp-pcie-phy
+ - qcom,sdm845-qhp-pcie-phy
+ - qcom,sdm845-qmp-pcie-phy
+ - qcom,sdx55-qmp-pcie-phy
+ - qcom,sm8250-qmp-gen3x1-pcie-phy
+ - qcom,sm8250-qmp-gen3x2-pcie-phy
+ - qcom,sm8250-qmp-modem-pcie-phy
+ - qcom,sm8450-qmp-gen3x1-pcie-phy
+ - qcom,sm8450-qmp-gen4x2-pcie-phy
+
+ reg:
+ items:
+ - description: serdes
+
+ "#address-cells":
+ enum: [ 1, 2 ]
+
+ "#size-cells":
+ enum: [ 1, 2 ]
+
+ ranges: true
+
+ clocks:
+ minItems: 2
+ maxItems: 4
+
+ clock-names:
+ minItems: 2
+ maxItems: 4
+
+ resets:
+ minItems: 1
+ maxItems: 2
+
+ reset-names:
+ minItems: 1
+ maxItems: 2
+
+ vdda-phy-supply: true
+
+ vdda-pll-supply: true
+
+ vddp-ref-clk-supply: true
+
+patternProperties:
+ "^phy@[0-9a-f]+$":
+ type: object
+ description: single PHY-provider child node
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8998-qmp-pcie-phy
+ then:
+ properties:
+ clocks:
+ maxItems: 3
+ clock-names:
+ items:
+ - const: aux
+ - const: cfg_ahb
+ - const: ref
+ resets:
+ maxItems: 2
+ reset-names:
+ items:
+ - const: phy
+ - const: common
+ required:
+ - vdda-phy-supply
+ - vdda-pll-supply
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq6018-qmp-pcie-phy
+ - qcom,ipq8074-qmp-gen3-pcie-phy
+ - qcom,ipq8074-qmp-pcie-phy
+ then:
+ properties:
+ clocks:
+ maxItems: 2
+ clock-names:
+ items:
+ - const: aux
+ - const: cfg_ahb
+ resets:
+ maxItems: 2
+ reset-names:
+ items:
+ - const: phy
+ - const: common
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sc8180x-qmp-pcie-phy
+ - qcom,sdm845-qhp-pcie-phy
+ - qcom,sdm845-qmp-pcie-phy
+ - qcom,sdx55-qmp-pcie-phy
+ - qcom,sm8250-qmp-gen3x1-pcie-phy
+ - qcom,sm8250-qmp-gen3x2-pcie-phy
+ - qcom,sm8250-qmp-modem-pcie-phy
+ - qcom,sm8450-qmp-gen3x1-pcie-phy
+ - qcom,sm8450-qmp-gen4x2-pcie-phy
+ then:
+ properties:
+ clocks:
+ maxItems: 4
+ clock-names:
+ items:
+ - const: aux
+ - const: cfg_ahb
+ - const: ref
+ - const: refgen
+ resets:
+ maxItems: 1
+ reset-names:
+ items:
+ - const: phy
+ required:
+ - vdda-phy-supply
+ - vdda-pll-supply
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-sm8250.h>
+ phy-wrapper@1c0e000 {
+ compatible = "qcom,sm8250-qmp-gen3x2-pcie-phy";
+ reg = <0x01c0e000 0x1c0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x01c0e000 0x1000>;
+
+ clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_WIGIG_CLKREF_EN>,
+ <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;
+ clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+ resets = <&gcc GCC_PCIE_1_PHY_BCR>;
+ reset-names = "phy";
+
+ vdda-phy-supply = <&vreg_l10c_0p88>;
+ vdda-pll-supply = <&vreg_l6b_1p2>;
+
+ phy@200 {
+ reg = <0x200 0x170>,
+ <0x400 0x200>,
+ <0xa00 0x1f0>,
+ <0x600 0x170>,
+ <0x800 0x200>,
+ <0xe00 0xf4>;
+
+ clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
+ clock-names = "pipe0";
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie_1_pipe_clk";
+
+ #phy-cells = <0>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
index 275abb402945..a03339a2e50f 100644
--- a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
@@ -17,29 +17,21 @@ description:
properties:
compatible:
enum:
- - qcom,ipq6018-qmp-pcie-phy
- qcom,ipq6018-qmp-usb3-phy
- - qcom,ipq8074-qmp-gen3-pcie-phy
- - qcom,ipq8074-qmp-pcie-phy
- qcom,ipq8074-qmp-usb3-phy
- qcom,msm8996-qmp-ufs-phy
- qcom,msm8996-qmp-usb3-phy
- - qcom,msm8998-qmp-pcie-phy
- qcom,msm8998-qmp-ufs-phy
- qcom,msm8998-qmp-usb3-phy
- qcom,qcm2290-qmp-usb3-phy
- qcom,sc7180-qmp-usb3-phy
- - qcom,sc8180x-qmp-pcie-phy
- qcom,sc8180x-qmp-ufs-phy
- qcom,sc8180x-qmp-usb3-phy
- qcom,sc8280xp-qmp-ufs-phy
- qcom,sc8280xp-qmp-usb3-uni-phy
- - qcom,sdm845-qhp-pcie-phy
- - qcom,sdm845-qmp-pcie-phy
- qcom,sdm845-qmp-ufs-phy
- qcom,sdm845-qmp-usb3-phy
- qcom,sdm845-qmp-usb3-uni-phy
- - qcom,sdx55-qmp-pcie-phy
- qcom,sdx55-qmp-usb3-uni-phy
- qcom,sdx65-qmp-usb3-uni-phy
- qcom,sm6115-qmp-ufs-phy
@@ -47,17 +39,12 @@ properties:
- qcom,sm8150-qmp-ufs-phy
- qcom,sm8150-qmp-usb3-phy
- qcom,sm8150-qmp-usb3-uni-phy
- - qcom,sm8250-qmp-gen3x1-pcie-phy
- - qcom,sm8250-qmp-gen3x2-pcie-phy
- - qcom,sm8250-qmp-modem-pcie-phy
- qcom,sm8250-qmp-ufs-phy
- qcom,sm8250-qmp-usb3-phy
- qcom,sm8250-qmp-usb3-uni-phy
- qcom,sm8350-qmp-ufs-phy
- qcom,sm8350-qmp-usb3-phy
- qcom,sm8350-qmp-usb3-uni-phy
- - qcom,sm8450-qmp-gen3x1-pcie-phy
- - qcom,sm8450-qmp-gen4x2-pcie-phy
- qcom,sm8450-qmp-ufs-phy
- qcom,sm8450-qmp-usb3-phy
@@ -173,7 +160,6 @@ allOf:
enum:
- qcom,ipq8074-qmp-usb3-phy
- qcom,msm8996-qmp-usb3-phy
- - qcom,msm8998-qmp-pcie-phy
- qcom,msm8998-qmp-usb3-phy
then:
properties:
@@ -242,60 +228,6 @@ allOf:
required:
- vdda-phy-supply
- vdda-pll-supply
- - if:
- properties:
- compatible:
- contains:
- enum:
- - qcom,ipq6018-qmp-pcie-phy
- - qcom,ipq8074-qmp-gen3-pcie-phy
- - qcom,ipq8074-qmp-pcie-phy
- then:
- properties:
- clocks:
- maxItems: 2
- clock-names:
- items:
- - const: aux
- - const: cfg_ahb
- resets:
- maxItems: 2
- reset-names:
- items:
- - const: phy
- - const: common
- - if:
- properties:
- compatible:
- contains:
- enum:
- - qcom,sc8180x-qmp-pcie-phy
- - qcom,sdm845-qhp-pcie-phy
- - qcom,sdm845-qmp-pcie-phy
- - qcom,sdx55-qmp-pcie-phy
- - qcom,sm8250-qmp-gen3x1-pcie-phy
- - qcom,sm8250-qmp-gen3x2-pcie-phy
- - qcom,sm8250-qmp-modem-pcie-phy
- - qcom,sm8450-qmp-gen3x1-pcie-phy
- - qcom,sm8450-qmp-gen4x2-pcie-phy
- then:
- properties:
- clocks:
- maxItems: 4
- clock-names:
- items:
- - const: aux
- - const: cfg_ahb
- - const: ref
- - const: refgen
- resets:
- maxItems: 1
- reset-names:
- items:
- - const: phy
- required:
- - vdda-phy-supply
- - vdda-pll-supply
- if:
properties:
compatible:
--
2.35.1