From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> Add a new binding file for Rockchip PCIe V3 phy driver. Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> --- .../bindings/phy/rockchip-pcie3-phy.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/rockchip-pcie3-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/rockchip-pcie3-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip-pcie3-phy.yaml new file mode 100644 index 000000000000..58a8ce175f13 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/rockchip-pcie3-phy.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/rockchip-pcie3-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip PCIe v3 phy + +maintainers: + - Heiko Stuebner <heiko@xxxxxxxxx> + +properties: + compatible: + enum: + - rockchip,rk3568-pcie3-phy + - rockchip,rk3588-pcie3-phy + + reg: + maxItems: 2 + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + contains: + anyOf: + - enum: [ refclk_m, refclk_n, pclk ] + + "#phy-cells": + const: 0 + + resets: + maxItems: 1 + + reset-names: + const: phy + + rockchip,phy-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon managing the phy "general register files" + + rockchip,pipe-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon managing the pipe "general register files" + + rockchip,pcie30-phymode: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: | + use PHY_MODE_PCIE_AGGREGATION if not defined + minimum: 0x0 + maximum: 0x4 + + +required: + - compatible + - reg + - rockchip,phy-grf + +additionalProperties: false + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/rk3568-cru.h> + pcie30phy: phy@fe8c0000 { + compatible = "rockchip,rk3568-pcie3-phy"; + reg = <0x0 0xfe8c0000 0x0 0x20000>; + #phy-cells = <0>; + clocks = <&pmucru CLK_PCIE30PHY_REF_M>, <&pmucru CLK_PCIE30PHY_REF_N>, + <&cru PCLK_PCIE30PHY>; + clock-names = "refclk_m", "refclk_n", "pclk"; + resets = <&cru SRST_PCIE30PHY>; + reset-names = "phy"; + rockchip,phy-grf = <&pcie30_phy_grf>; + }; -- 2.25.1
