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=?utf-8?q?1750105829449157918?= Document the PCIe PHY device tree bindings for Tesla FSD SoC Signed-off-by: Shradha Todi --- .../bindings/phy/phy-tesla-pcie.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-tesla-pcie.yaml diff --git a/Documentation/devicetree/bindings/phy/phy-tesla-pcie.yaml b/Documentation/devicetree/bindings/phy/phy-tesla-pcie.yaml new file mode 100644 index 000000000000..8fa9a050af7a --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-tesla-pcie.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/phy-tesla-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Tesla FSD SoC PCIe PHY + +maintainers: + - Shradha Todi + +properties: + "#phy-cells": + const: 0 + + compatible: + enum: + - tesla,fsd-pcie-phy + + reg: + minItems: 2 + maxItems: 2 + + reg-names: + minItems: 2 + maxItems: 2 + items: + enum: [phy, pcs] + description: | + phy is the register access to PMA layer + pcs is the register access to PCS layer + + phy-mode: + description: | + Defines the bifurcation mode of the PHY + + tesla,pmureg-phandle: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: phandle for PMU system controller interface used to + control PMU register bits for PCIe PHY + + tesla,pcie-sysreg: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: phandle for system control registers, used to + control phy signals at system level + +required: + - "#phy-cells" + - compatible + - reg + - reg-names + - phy-mode + - tesla,pmureg-phandle + - tesla,pcie-sysreg + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + pcie_phy0: pcie-phy@15080000 { + compatible = "tesla,fsd-pcie-phy"; + #phy-cells = <0>; + reg = <0x0 0x15080000 0x0 0x2000>, <0x0 0x150A0000 0x0 0x1000>; + reg-names = "phy", "pcs"; + tesla,pmureg-phandle = <&pmu_system_controller>; + tesla,pcie-sysreg = <&sysreg_fsys0>; + phy-mode = <0>; + status = "disabled"; + }; + }; +...