Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/phy/qcom,pcie2-phy.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm PCIe2 PHY controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Vinod Koul <vkoul@kernel.org> |
| 11 | |
| 12 | description: |
| 13 | The Qualcomm PCIe2 PHY is a Synopsys based phy found in a number of Qualcomm |
| 14 | platforms. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | items: |
| 19 | - const: qcom,qcs404-pcie2-phy |
| 20 | - const: qcom,pcie2-phy |
| 21 | |
| 22 | reg: |
| 23 | items: |
| 24 | - description: PHY register set |
| 25 | |
| 26 | clocks: |
| 27 | items: |
| 28 | - description: a clock-specifier pair for the "pipe" clock |
| 29 | |
| 30 | clock-output-names: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | "#clock-cells": |
| 34 | const: 0 |
| 35 | |
| 36 | "#phy-cells": |
| 37 | const: 0 |
| 38 | |
| 39 | vdda-vp-supply: |
| 40 | description: low voltage regulator |
| 41 | |
| 42 | vdda-vph-supply: |
| 43 | description: high voltage regulator |
| 44 | |
| 45 | resets: |
| 46 | maxItems: 2 |
| 47 | |
| 48 | reset-names: |
| 49 | items: |
| 50 | - const: phy |
| 51 | - const: pipe |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | - clocks |
| 57 | - clock-output-names |
| 58 | - "#clock-cells" |
| 59 | - "#phy-cells" |
| 60 | - vdda-vp-supply |
| 61 | - vdda-vph-supply |
| 62 | - resets |
| 63 | - reset-names |
| 64 | |
| 65 | additionalProperties: false |
| 66 | |
| 67 | examples: |
| 68 | - | |
| 69 | #include <dt-bindings/clock/qcom,gcc-qcs404.h> |
| 70 | phy@7786000 { |
| 71 | compatible = "qcom,qcs404-pcie2-phy", "qcom,pcie2-phy"; |
| 72 | reg = <0x07786000 0xb8>; |
| 73 | |
| 74 | clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; |
| 75 | resets = <&gcc GCC_PCIEPHY_0_PHY_BCR>, |
| 76 | <&gcc GCC_PCIE_0_PIPE_ARES>; |
| 77 | reset-names = "phy", "pipe"; |
| 78 | |
| 79 | vdda-vp-supply = <&vreg_l3_1p05>; |
| 80 | vdda-vph-supply = <&vreg_l5_1p8>; |
| 81 | |
| 82 | clock-output-names = "pcie_0_pipe_clk"; |
| 83 | #clock-cells = <0>; |
| 84 | #phy-cells = <0>; |
| 85 | }; |
| 86 | ... |