acrn-kernel/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml

72 lines
1.3 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cadence Universal Flash Storage (UFS) Controller
maintainers:
- Jan Kotas <jank@cadence.com>
# Select only our matches, not all jedec,ufs-2.0
select:
properties:
compatible:
contains:
enum:
- cdns,ufshc
- cdns,ufshc-m31-16nm
required:
- compatible
allOf:
- $ref: ufs-common.yaml
properties:
compatible:
items:
- enum:
- cdns,ufshc
# CDNS UFS HC + M31 16nm PHY
- cdns,ufshc-m31-16nm
- const: jedec,ufs-2.0
clocks:
minItems: 1
maxItems: 3
clock-names:
minItems: 1
items:
- const: core_clk
- const: phy_clk
- const: ref_clk
power-domains:
maxItems: 1
reg:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
ufs@fd030000 {
compatible = "cdns,ufshc", "jedec,ufs-2.0";
reg = <0xfd030000 0x10000>;
interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
freq-table-hz = <0 0>, <0 0>;
clocks = <&ufs_core_clk>, <&ufs_phy_clk>;
clock-names = "core_clk", "phy_clk";
};