mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-28 18:10:32 +00:00
d01cfeac89
Add MT8195 UFSHCI compatible string. Relax the schema to allow between one to eight clocks/clock-names entries for all MediaTek UFS nodes. Legacy platforms may only need a few clocks, whereas newer devices such as the MT8195 require additional clock-gating domains. For MT8195 specifically, enforce exactly eight clocks and clock-names entries to satisfy its hardware requirements. Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com> Link: https://lore.kernel.org/r/20250722085721.2062657-3-macpaul.lin@mediatek.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
102 lines
2.0 KiB
YAML
102 lines
2.0 KiB
YAML
# 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>;
|
|
};
|
|
};
|