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lpieralisi@kernel.org, kw@linux.com, mani@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org, alim.akhtar@samsung.com, ajaykumar.rs@samsung.com, rcsekar@samsung.com, sriranjani.p@samsung.com, bharat.uppal@samsung.com, s.prashar@samsung.com, aswani.reddy@samsung.com, pankaj.dubey@samsung.com, p.rajanbabu@samsung.com, niyas.ahmed@samsung.com, chanho61.park@samsung.com Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Shradha Todi Subject: [PATCH 1/6] dt-bindings: phy: Add PCIe PHY bindings for FSD Date: Mon, 21 Nov 2022 16:22:05 +0530 Message-Id: <20221121105210.68596-2-shradha.t@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221121105210.68596-1-shradha.t@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VTe0xTVxjf6X30gqne8BgH5lhznVlgAemE7vDSRZl2c1nINEycE7v2piCl rb3Fx4gCii5rBHmqcaUjFsPADZUCltfKa1AQHI6OkGkQCFtgw+E6rJs8tkLL9t/vfN/v9/2+ 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SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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"; + }; + }; +...