linux-zen-desktop/Documentation/devicetree/bindings/phy/qcom,pcie2-phy.yaml

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2023-08-30 17:31:07 +02:00
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,pcie2-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm PCIe2 PHY controller
maintainers:
- Vinod Koul <vkoul@kernel.org>
description:
The Qualcomm PCIe2 PHY is a Synopsys based phy found in a number of Qualcomm
platforms.
properties:
compatible:
items:
- const: qcom,qcs404-pcie2-phy
- const: qcom,pcie2-phy
reg:
items:
- description: PHY register set
clocks:
items:
- description: a clock-specifier pair for the "pipe" clock
clock-output-names:
maxItems: 1
"#clock-cells":
const: 0
"#phy-cells":
const: 0
vdda-vp-supply:
description: low voltage regulator
vdda-vph-supply:
description: high voltage regulator
resets:
maxItems: 2
reset-names:
items:
- const: phy
- const: pipe
required:
- compatible
- reg
- clocks
- clock-output-names
- "#clock-cells"
- "#phy-cells"
- vdda-vp-supply
- vdda-vph-supply
- resets
- reset-names
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-qcs404.h>
phy@7786000 {
compatible = "qcom,qcs404-pcie2-phy", "qcom,pcie2-phy";
reg = <0x07786000 0xb8>;
clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
resets = <&gcc GCC_PCIEPHY_0_PHY_BCR>,
<&gcc GCC_PCIE_0_PIPE_ARES>;
reset-names = "phy", "pipe";
vdda-vp-supply = <&vreg_l3_1p05>;
vdda-vph-supply = <&vreg_l5_1p8>;
clock-output-names = "pcie_0_pipe_clk";
#clock-cells = <0>;
#phy-cells = <0>;
};
...