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