Linux-6.18.2/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
2025-12-23 20:06:59 +08:00

244 lines
6.2 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/qcom,ufs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Universal Flash Storage (UFS) Controller
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
- Andy Gross <agross@kernel.org>
# Select only our matches, not all jedec,ufs-2.0
select:
properties:
compatible:
contains:
enum:
- qcom,msm8994-ufshc
- qcom,msm8996-ufshc
- qcom,qcs615-ufshc
- qcom,sdm845-ufshc
- qcom,sm6115-ufshc
- qcom,sm6125-ufshc
- qcom,sm6350-ufshc
- qcom,sm8150-ufshc
required:
- compatible
properties:
compatible:
items:
- enum:
- qcom,msm8994-ufshc
- qcom,msm8996-ufshc
- qcom,qcs615-ufshc
- qcom,sdm845-ufshc
- qcom,sm6115-ufshc
- qcom,sm6125-ufshc
- qcom,sm6350-ufshc
- qcom,sm8150-ufshc
- const: qcom,ufshc
- const: jedec,ufs-2.0
qcom,ice:
$ref: /schemas/types.yaml#/definitions/phandle
description: phandle to the Inline Crypto Engine node
reg:
minItems: 1
maxItems: 2
reg-names:
items:
- const: std
- const: ice
required:
- compatible
- reg
allOf:
- $ref: qcom,ufs-common.yaml
- if:
properties:
compatible:
contains:
enum:
- qcom,sdm845-ufshc
- qcom,sm6350-ufshc
- qcom,sm8150-ufshc
then:
properties:
clocks:
minItems: 9
maxItems: 9
clock-names:
items:
- const: core_clk
- const: bus_aggr_clk
- const: iface_clk
- const: core_clk_unipro
- const: ref_clk
- const: tx_lane0_sync_clk
- const: rx_lane0_sync_clk
- const: rx_lane1_sync_clk
- const: ice_core_clk
reg:
minItems: 2
maxItems: 2
reg-names:
minItems: 2
required:
- reg-names
- if:
properties:
compatible:
contains:
enum:
- qcom,msm8996-ufshc
then:
properties:
clocks:
minItems: 9
maxItems: 9
clock-names:
items:
- const: core_clk
- const: bus_clk
- const: bus_aggr_clk
- const: iface_clk
- const: core_clk_unipro
- const: core_clk_ice
- const: ref_clk
- const: tx_lane0_sync_clk
- const: rx_lane0_sync_clk
reg:
minItems: 1
maxItems: 1
reg-names:
maxItems: 1
- if:
properties:
compatible:
contains:
enum:
- qcom,qcs615-ufshc
- qcom,sm6115-ufshc
- qcom,sm6125-ufshc
then:
properties:
clocks:
minItems: 8
maxItems: 8
clock-names:
items:
- const: core_clk
- const: bus_aggr_clk
- const: iface_clk
- const: core_clk_unipro
- const: ref_clk
- const: tx_lane0_sync_clk
- const: rx_lane0_sync_clk
- const: ice_core_clk
reg:
minItems: 2
maxItems: 2
reg-names:
minItems: 2
required:
- reg-names
# TODO: define clock bindings for qcom,msm8994-ufshc
- if:
required:
- qcom,ice
then:
properties:
reg:
maxItems: 1
clocks:
minItems: 7
maxItems: 8
else:
properties:
reg:
minItems: 1
maxItems: 2
clocks:
minItems: 7
maxItems: 9
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sm8150.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interconnect/qcom,sm8150.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
ufs@1d84000 {
compatible = "qcom,sm8150-ufshc", "qcom,ufshc",
"jedec,ufs-2.0";
reg = <0x0 0x01d84000 0x0 0x2500>,
<0x0 0x01d90000 0x0 0x8000>;
reg-names = "std", "ice";
interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
phys = <&ufs_mem_phy_lanes>;
phy-names = "ufsphy";
lanes-per-direction = <2>;
#reset-cells = <1>;
resets = <&gcc GCC_UFS_PHY_BCR>;
reset-names = "rst";
reset-gpios = <&tlmm 210 GPIO_ACTIVE_LOW>;
vcc-supply = <&vreg_l7b_2p5>;
vcc-max-microamp = <1100000>;
vccq-supply = <&vreg_l9b_1p2>;
vccq-max-microamp = <1200000>;
power-domains = <&gcc UFS_PHY_GDSC>;
iommus = <&apps_smmu 0x300 0>;
clocks = <&gcc GCC_UFS_PHY_AXI_CLK>,
<&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
<&gcc GCC_UFS_PHY_AHB_CLK>,
<&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>,
<&rpmhcc RPMH_CXO_CLK>,
<&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
<&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>,
<&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>,
<&gcc GCC_UFS_PHY_ICE_CORE_CLK>;
clock-names = "core_clk",
"bus_aggr_clk",
"iface_clk",
"core_clk_unipro",
"ref_clk",
"tx_lane0_sync_clk",
"rx_lane0_sync_clk",
"rx_lane1_sync_clk",
"ice_core_clk";
freq-table-hz = <37500000 300000000>,
<0 0>,
<0 0>,
<37500000 300000000>,
<0 0>,
<0 0>,
<0 0>,
<0 0>,
<0 300000000>;
};
};