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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
dt-bindings: phy: Convert brcm,sr-pcie-phy to DT schema
Convert the Broadcom Stingray PCIe PHY binding to DT schema format. It's
a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250607212508.741193-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
Rob Herring (Arm)
and committed by
Vinod Koul
6725c334
f151f3a6
+46
-41
-41
Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt
-41
Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt
···
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Broadcom Stingray PCIe PHY
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Required properties:
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- compatible: must be "brcm,sr-pcie-phy"
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- reg: base address and length of the PCIe SS register space
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- brcm,sr-cdru: phandle to the CDRU syscon node
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- brcm,sr-mhb: phandle to the MHB syscon node
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- #phy-cells: Must be 1, denotes the PHY index
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For PAXB based root complex, one can have a configuration of up to 8 PHYs
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PHY index goes from 0 to 7
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For the internal PAXC based root complex, PHY index is always 8
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Example:
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mhb: syscon@60401000 {
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compatible = "brcm,sr-mhb", "syscon";
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reg = <0 0x60401000 0 0x38c>;
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};
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cdru: syscon@6641d000 {
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compatible = "brcm,sr-cdru", "syscon";
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reg = <0 0x6641d000 0 0x400>;
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};
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pcie_phy: phy@40000000 {
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compatible = "brcm,sr-pcie-phy";
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reg = <0 0x40000000 0 0x800>;
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brcm,sr-cdru = <&cdru>;
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brcm,sr-mhb = <&mhb>;
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#phy-cells = <1>;
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};
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/* users of the PCIe PHY */
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pcie0: pcie@48000000 {
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...
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...
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phys = <&pcie_phy 0>;
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phy-names = "pcie-phy";
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};
+46
Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.yaml
+46
Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.yaml
···
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/brcm,sr-pcie-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom Stingray PCIe PHY
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maintainers:
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- Ray Jui <ray.jui@broadcom.com>
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description: >
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For PAXB based root complex, one can have a configuration of up to 8 PHYs.
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PHY index goes from 0 to 7.
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For the internal PAXC based root complex, PHY index is always 8.
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properties:
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compatible:
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const: brcm,sr-pcie-phy
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reg:
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maxItems: 1
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'#phy-cells':
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const: 1
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brcm,sr-cdru:
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description: phandle to the CDRU syscon node
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$ref: /schemas/types.yaml#/definitions/phandle
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brcm,sr-mhb:
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description: phandle to the MHB syscon node
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$ref: /schemas/types.yaml#/definitions/phandle
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additionalProperties: false
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examples:
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- |
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phy@40000000 {
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compatible = "brcm,sr-pcie-phy";
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reg = <0x40000000 0x800>;
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brcm,sr-cdru = <&cdru>;
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brcm,sr-mhb = <&mhb>;
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#phy-cells = <1>;
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};