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Diffstat (limited to 'Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml')
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diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml new file mode 100644 index 0000000000..4e710ef755 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml @@ -0,0 +1,189 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,msm8996-qmp-pcie-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QMP PHY controller (MSM8996 PCIe) + +maintainers: + - Vinod Koul <vkoul@kernel.org> + +description: + QMP PHY controller supports physical layer functionality for a number of + controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB. + +properties: + compatible: + const: qcom,msm8996-qmp-pcie-phy + + reg: + items: + - description: serdes + + "#address-cells": + enum: [ 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + ranges: true + + clocks: + maxItems: 3 + + clock-names: + items: + - const: aux + - const: cfg_ahb + - const: ref + + resets: + maxItems: 3 + + reset-names: + items: + - const: phy + - const: common + - const: cfg + + vdda-phy-supply: true + + vdda-pll-supply: true + + vddp-ref-clk-supply: true + +patternProperties: + "^phy@[0-9a-f]+$": + type: object + description: one child node per PHY provided by this block + properties: + reg: + items: + - description: TX + - description: RX + - description: PCS + + clocks: + items: + - description: PIPE clock + + clock-names: + deprecated: true + items: + - enum: + - pipe0 + - pipe1 + - pipe2 + + resets: + items: + - description: PHY reset + + reset-names: + deprecated: true + items: + - enum: + - lane0 + - lane1 + - lane2 + + "#clock-cells": + const: 0 + + clock-output-names: + maxItems: 1 + + "#phy-cells": + const: 0 + + required: + - reg + - clocks + - resets + - "#clock-cells" + - clock-output-names + - "#phy-cells" + + additionalProperties: false + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + - clocks + - clock-names + - resets + - reset-names + - vdda-phy-supply + - vdda-pll-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8996.h> + pcie_phy: phy-wrapper@34000 { + compatible = "qcom,msm8996-qmp-pcie-phy"; + reg = <0x34000 0x488>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x34000 0x4000>; + + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>, + <&gcc GCC_PCIE_PHY_CFG_AHB_CLK>, + <&gcc GCC_PCIE_CLKREF_CLK>; + clock-names = "aux", "cfg_ahb", "ref"; + + resets = <&gcc GCC_PCIE_PHY_BCR>, + <&gcc GCC_PCIE_PHY_COM_BCR>, + <&gcc GCC_PCIE_PHY_COM_NOCSR_BCR>; + reset-names = "phy", "common", "cfg"; + + vdda-phy-supply = <&vreg_l28a_0p925>; + vdda-pll-supply = <&vreg_l12a_1p8>; + + pciephy_0: phy@1000 { + reg = <0x1000 0x130>, + <0x1200 0x200>, + <0x1400 0x1dc>; + + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; + resets = <&gcc GCC_PCIE_0_PHY_BCR>; + + #clock-cells = <0>; + clock-output-names = "pcie_0_pipe_clk_src"; + + #phy-cells = <0>; + }; + + pciephy_1: phy@2000 { + reg = <0x2000 0x130>, + <0x2200 0x200>, + <0x2400 0x1dc>; + + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>; + resets = <&gcc GCC_PCIE_1_PHY_BCR>; + + #clock-cells = <0>; + clock-output-names = "pcie_1_pipe_clk_src"; + + #phy-cells = <0>; + }; + + pciephy_2: phy@3000 { + reg = <0x3000 0x130>, + <0x3200 0x200>, + <0x3400 0x1dc>; + + clocks = <&gcc GCC_PCIE_2_PIPE_CLK>; + resets = <&gcc GCC_PCIE_2_PHY_BCR>; + + #clock-cells = <0>; + clock-output-names = "pcie_2_pipe_clk_src"; + + #phy-cells = <0>; + }; + }; |