1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/ufs/qcom,ufs.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Qualcomm Universal Flash Storage (UFS) Controller 8 9maintainers: 10 - Bjorn Andersson <bjorn.andersson@linaro.org> 11 - Andy Gross <agross@kernel.org> 12 13# Select only our matches, not all jedec,ufs-2.0 14select: 15 properties: 16 compatible: 17 contains: 18 const: qcom,ufshc 19 required: 20 - compatible 21 22properties: 23 compatible: 24 items: 25 - enum: 26 - qcom,msm8994-ufshc 27 - qcom,msm8996-ufshc 28 - qcom,msm8998-ufshc 29 - qcom,sc8280xp-ufshc 30 - qcom,sdm845-ufshc 31 - qcom,sm6350-ufshc 32 - qcom,sm8150-ufshc 33 - qcom,sm8250-ufshc 34 - qcom,sm8350-ufshc 35 - qcom,sm8450-ufshc 36 - const: qcom,ufshc 37 - const: jedec,ufs-2.0 38 39 clocks: 40 minItems: 8 41 maxItems: 11 42 43 clock-names: 44 minItems: 8 45 maxItems: 11 46 47 interconnects: 48 minItems: 2 49 maxItems: 2 50 51 interconnect-names: 52 items: 53 - const: ufs-ddr 54 - const: cpu-ufs 55 56 iommus: 57 minItems: 1 58 maxItems: 2 59 60 phys: 61 maxItems: 1 62 63 phy-names: 64 items: 65 - const: ufsphy 66 67 power-domains: 68 maxItems: 1 69 70 reg: 71 minItems: 1 72 maxItems: 2 73 74 resets: 75 maxItems: 1 76 77 '#reset-cells': 78 const: 1 79 80 reset-names: 81 items: 82 - const: rst 83 84 reset-gpios: 85 maxItems: 1 86 description: 87 GPIO connected to the RESET pin of the UFS memory device. 88 89required: 90 - compatible 91 - reg 92 93allOf: 94 - $ref: ufs-common.yaml 95 96 - if: 97 properties: 98 compatible: 99 contains: 100 enum: 101 - qcom,msm8998-ufshc 102 - qcom,sc8280xp-ufshc 103 - qcom,sm8250-ufshc 104 - qcom,sm8350-ufshc 105 - qcom,sm8450-ufshc 106 then: 107 properties: 108 clocks: 109 minItems: 8 110 maxItems: 8 111 clock-names: 112 items: 113 - const: core_clk 114 - const: bus_aggr_clk 115 - const: iface_clk 116 - const: core_clk_unipro 117 - const: ref_clk 118 - const: tx_lane0_sync_clk 119 - const: rx_lane0_sync_clk 120 - const: rx_lane1_sync_clk 121 reg: 122 minItems: 1 123 maxItems: 1 124 125 - if: 126 properties: 127 compatible: 128 contains: 129 enum: 130 - qcom,sdm845-ufshc 131 - qcom,sm6350-ufshc 132 - qcom,sm8150-ufshc 133 then: 134 properties: 135 clocks: 136 minItems: 9 137 maxItems: 9 138 clock-names: 139 items: 140 - const: core_clk 141 - const: bus_aggr_clk 142 - const: iface_clk 143 - const: core_clk_unipro 144 - const: ref_clk 145 - const: tx_lane0_sync_clk 146 - const: rx_lane0_sync_clk 147 - const: rx_lane1_sync_clk 148 - const: ice_core_clk 149 reg: 150 minItems: 2 151 maxItems: 2 152 153 - if: 154 properties: 155 compatible: 156 contains: 157 enum: 158 - qcom,msm8996-ufshc 159 then: 160 properties: 161 clocks: 162 minItems: 11 163 maxItems: 11 164 clock-names: 165 items: 166 - const: core_clk_src 167 - const: core_clk 168 - const: bus_clk 169 - const: bus_aggr_clk 170 - const: iface_clk 171 - const: core_clk_unipro_src 172 - const: core_clk_unipro 173 - const: core_clk_ice 174 - const: ref_clk 175 - const: tx_lane0_sync_clk 176 - const: rx_lane0_sync_clk 177 reg: 178 minItems: 1 179 maxItems: 1 180 181 # TODO: define clock bindings for qcom,msm8994-ufshc 182 183unevaluatedProperties: false 184 185examples: 186 - | 187 #include <dt-bindings/clock/qcom,gcc-sm8450.h> 188 #include <dt-bindings/clock/qcom,rpmh.h> 189 #include <dt-bindings/gpio/gpio.h> 190 #include <dt-bindings/interconnect/qcom,sm8450.h> 191 #include <dt-bindings/interrupt-controller/arm-gic.h> 192 193 soc { 194 #address-cells = <2>; 195 #size-cells = <2>; 196 197 ufs@1d84000 { 198 compatible = "qcom,sm8450-ufshc", "qcom,ufshc", 199 "jedec,ufs-2.0"; 200 reg = <0 0x01d84000 0 0x3000>; 201 interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>; 202 phys = <&ufs_mem_phy_lanes>; 203 phy-names = "ufsphy"; 204 lanes-per-direction = <2>; 205 #reset-cells = <1>; 206 resets = <&gcc GCC_UFS_PHY_BCR>; 207 reset-names = "rst"; 208 reset-gpios = <&tlmm 210 GPIO_ACTIVE_LOW>; 209 210 vcc-supply = <&vreg_l7b_2p5>; 211 vcc-max-microamp = <1100000>; 212 vccq-supply = <&vreg_l9b_1p2>; 213 vccq-max-microamp = <1200000>; 214 215 power-domains = <&gcc UFS_PHY_GDSC>; 216 iommus = <&apps_smmu 0xe0 0x0>; 217 interconnects = <&aggre1_noc MASTER_UFS_MEM &mc_virt SLAVE_EBI1>, 218 <&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_UFS_MEM_CFG>; 219 interconnect-names = "ufs-ddr", "cpu-ufs"; 220 221 clock-names = "core_clk", 222 "bus_aggr_clk", 223 "iface_clk", 224 "core_clk_unipro", 225 "ref_clk", 226 "tx_lane0_sync_clk", 227 "rx_lane0_sync_clk", 228 "rx_lane1_sync_clk"; 229 clocks = <&gcc GCC_UFS_PHY_AXI_CLK>, 230 <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>, 231 <&gcc GCC_UFS_PHY_AHB_CLK>, 232 <&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>, 233 <&rpmhcc RPMH_CXO_CLK>, 234 <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>, 235 <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>, 236 <&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>; 237 freq-table-hz = <75000000 300000000>, 238 <0 0>, 239 <0 0>, 240 <75000000 300000000>, 241 <75000000 300000000>, 242 <0 0>, 243 <0 0>, 244 <0 0>; 245 }; 246 }; 247