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
7 title: Qualcomm Universal Flash Storage (UFS) Controller
8
9 maintainers:
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
14 select:
15 properties:
16 compatible:
17 contains:
18 const: qcom,ufshc
19 required:
20 - compatible
21
22 properties:
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
89 required:
90 - compatible
91 - reg
92
93 allOf:
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
183 unevaluatedProperties: false
184
185 examples:
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 };
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