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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/mediatek,ufs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek Universal Flash Storage (UFS) Controller
maintainers:
- Stanley Chu <stanley.chu@mediatek.com>
properties:
compatible:
enum:
- mediatek,mt8183-ufshci
- mediatek,mt8192-ufshci
- mediatek,mt8195-ufshci
clocks:
minItems: 1
maxItems: 8
clock-names:
minItems: 1
maxItems: 8
phys:
maxItems: 1
reg:
maxItems: 1
vcc-supply: true
mediatek,ufs-disable-mcq:
$ref: /schemas/types.yaml#/definitions/flag
description: The mask to disable MCQ (Multi-Circular Queue) for UFS host.
required:
- compatible
- clocks
- clock-names
- phys
- reg
- vcc-supply
unevaluatedProperties: false
allOf:
- $ref: ufs-common.yaml
- if:
properties:
compatible:
contains:
enum:
- mediatek,mt8195-ufshci
then:
properties:
clocks:
minItems: 8
clock-names:
items:
- const: ufs
- const: ufs_aes
- const: ufs_tick
- const: unipro_sysclk
- const: unipro_tick
- const: unipro_mp_bclk
- const: ufs_tx_symbol
- const: ufs_mem_sub
else:
properties:
clocks:
maxItems: 1
clock-names:
items:
- const: ufs
examples:
- |
#include <dt-bindings/clock/mt8183-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
ufs@ff3c0000 {
compatible = "mediatek,mt8183-ufshci";
reg = <0 0x11270000 0 0x2300>;
interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>;
phys = <&ufsphy>;
clocks = <&infracfg_ao CLK_INFRA_UFS>;
clock-names = "ufs";
freq-table-hz = <0 0>;
vcc-supply = <&mt_pmic_vemc_ldo_reg>;
};
};
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