70 lines
1.5 KiB
YAML
70 lines
1.5 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright (c) 2020 MediaTek
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/mediatek,ufs-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek Universal Flash Storage (UFS) M-PHY
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maintainers:
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- Stanley Chu <stanley.chu@mediatek.com>
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- Chunfeng Yun <chunfeng.yun@mediatek.com>
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description: |
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UFS M-PHY nodes are defined to describe on-chip UFS M-PHY hardware macro.
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Each UFS M-PHY node should have its own node.
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To bind UFS M-PHY with UFS host controller, the controller node should
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contain a phandle reference to UFS M-PHY node.
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properties:
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$nodename:
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pattern: "^ufs-phy@[0-9a-f]+$"
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compatible:
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oneOf:
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- items:
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- enum:
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- mediatek,mt8195-ufsphy
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- const: mediatek,mt8183-ufsphy
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- const: mediatek,mt8183-ufsphy
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reg:
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maxItems: 1
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clocks:
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items:
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- description: Unipro core control clock.
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- description: M-PHY core control clock.
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clock-names:
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items:
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- const: unipro
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- const: mp
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"#phy-cells":
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const: 0
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required:
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- compatible
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- reg
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- "#phy-cells"
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/mt8183-clk.h>
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ufsphy: ufs-phy@11fa0000 {
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compatible = "mediatek,mt8183-ufsphy";
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reg = <0x11fa0000 0xc000>;
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clocks = <&infracfg CLK_INFRA_UNIPRO_SCK>,
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<&infracfg CLK_INFRA_UFS_MP_SAP_BCLK>;
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clock-names = "unipro", "mp";
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#phy-cells = <0>;
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};
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...
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