Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml

   1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/i2c/qcom,i2c-cci.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Camera Control Interface (CCI) I2C controller
   8
   9 maintainers:
  10   - Loic Poulain <loic.poulain@linaro.org>
  11   - Robert Foss <robert.foss@linaro.org>
  12
  13 properties:
  14   compatible:
  15     oneOf:
  16       - enum:
  17           - qcom,msm8226-cci
  18           - qcom,msm8974-cci
  19           - qcom,msm8996-cci
  20
  21       - items:
  22           - enum:
  23               - qcom,msm8916-cci
  24           - const: qcom,msm8226-cci # CCI v1
  25
  26       - items:
  27           - enum:
  28               - qcom,sc7280-cci
  29               - qcom,sc8280xp-cci
  30               - qcom,sdm845-cci
  31               - qcom,sm6350-cci
  32               - qcom,sm8250-cci
  33               - qcom,sm8450-cci
  34           - const: qcom,msm8996-cci # CCI v2
  35
  36   "#address-cells":
  37     const: 1
  38
  39   "#size-cells":
  40     const: 0
  41
  42   clocks:
  43     minItems: 3
  44     maxItems: 6
  45
  46   clock-names:
  47     minItems: 3
  48     maxItems: 6
  49
  50   interrupts:
  51     maxItems: 1
  52
  53   power-domains:
  54     maxItems: 1
  55
  56   reg:
  57     maxItems: 1
  58
  59 patternProperties:
  60   "^i2c-bus@[01]$":
  61     $ref: /schemas/i2c/i2c-controller.yaml#
  62     unevaluatedProperties: false
  63
  64     properties:
  65       reg:
  66         maxItems: 1
  67
  68       clock-frequency:
  69         default: 100000
  70
  71 required:
  72   - compatible
  73   - clock-names
  74   - clocks
  75   - interrupts
  76   - reg
  77
  78 allOf:
  79   - if:
  80       properties:
  81         compatible:
  82           contains:
  83             enum:
  84               - qcom,msm8996-cci
  85     then:
  86       required:
  87         - power-domains
  88
  89   - if:
  90       properties:
  91         compatible:
  92           contains:
  93             enum:
  94               - qcom,msm8226-cci
  95               - qcom,msm8916-cci
  96     then:
  97       properties:
  98         i2c-bus@1: false
  99
 100   - if:
 101       properties:
 102         compatible:
 103           oneOf:
 104             - contains:
 105                 enum:
 106                   - qcom,msm8974-cci
 107
 108             - const: qcom,msm8226-cci
 109     then:
 110       properties:
 111         clocks:
 112           maxItems: 3
 113         clock-names:
 114           items:
 115             - const: camss_top_ahb
 116             - const: cci_ahb
 117             - const: cci
 118
 119   - if:
 120       properties:
 121         compatible:
 122           oneOf:
 123             - contains:
 124                 enum:
 125                   - qcom,msm8916-cci
 126
 127             - const: qcom,msm8996-cci
 128     then:
 129       properties:
 130         clocks:
 131           maxItems: 4
 132         clock-names:
 133           items:
 134             - const: camss_top_ahb
 135             - const: cci_ahb
 136             - const: cci
 137             - const: camss_ahb
 138
 139   - if:
 140       properties:
 141         compatible:
 142           contains:
 143             enum:
 144               - qcom,sdm845-cci
 145               - qcom,sm6350-cci
 146     then:
 147       properties:
 148         clocks:
 149           minItems: 6
 150         clock-names:
 151           items:
 152             - const: camnoc_axi
 153             - const: soc_ahb
 154             - const: slow_ahb_src
 155             - const: cpas_ahb
 156             - const: cci
 157             - const: cci_src
 158
 159   - if:
 160       properties:
 161         compatible:
 162           contains:
 163             enum:
 164               - qcom,sc7280-cci
 165               - qcom,sm8250-cci
 166               - qcom,sm8450-cci
 167     then:
 168       properties:
 169         clocks:
 170           minItems: 5
 171           maxItems: 5
 172         clock-names:
 173           items:
 174             - const: camnoc_axi
 175             - const: slow_ahb_src
 176             - const: cpas_ahb
 177             - const: cci
 178             - const: cci_src
 179
 180   - if:
 181       properties:
 182         compatible:
 183           contains:
 184             enum:
 185               - qcom,sc8280xp-cci
 186     then:
 187       properties:
 188         clocks:
 189           minItems: 4
 190           maxItems: 4
 191         clock-names:
 192           items:
 193             - const: camnoc_axi
 194             - const: slow_ahb_src
 195             - const: cpas_ahb
 196             - const: cci
 197
 198 additionalProperties: false
 199
 200 examples:
 201   - |
 202     #include <dt-bindings/clock/qcom,camcc-sdm845.h>
 203     #include <dt-bindings/gpio/gpio.h>
 204     #include <dt-bindings/interrupt-controller/arm-gic.h>
 205
 206     cci@ac4a000 {
 207         reg = <0x0ac4a000 0x4000>;
 208         compatible = "qcom,sdm845-cci", "qcom,msm8996-cci";
 209         #address-cells = <1>;
 210         #size-cells = <0>;
 211
 212         interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
 213         power-domains = <&clock_camcc TITAN_TOP_GDSC>;
 214
 215         clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
 216                  <&clock_camcc CAM_CC_SOC_AHB_CLK>,
 217                  <&clock_camcc CAM_CC_SLOW_AHB_CLK_SRC>,
 218                  <&clock_camcc CAM_CC_CPAS_AHB_CLK>,
 219                  <&clock_camcc CAM_CC_CCI_CLK>,
 220                  <&clock_camcc CAM_CC_CCI_CLK_SRC>;
 221         clock-names = "camnoc_axi",
 222                       "soc_ahb",
 223                       "slow_ahb_src",
 224                       "cpas_ahb",
 225                       "cci",
 226                       "cci_src";
 227
 228         assigned-clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
 229                           <&clock_camcc CAM_CC_CCI_CLK>;
 230         assigned-clock-rates = <80000000>,
 231                                <37500000>;
 232
 233         pinctrl-names = "default", "sleep";
 234         pinctrl-0 = <&cci0_default &cci1_default>;
 235         pinctrl-1 = <&cci0_sleep &cci1_sleep>;
 236
 237         i2c-bus@0 {
 238             reg = <0>;
 239             clock-frequency = <1000000>;
 240             #address-cells = <1>;
 241             #size-cells = <0>;
 242
 243             camera@10 {
 244                 compatible = "ovti,ov8856";
 245                 reg = <0x10>;
 246
 247                 reset-gpios = <&tlmm 9 GPIO_ACTIVE_LOW>;
 248                 pinctrl-names = "default";
 249                 pinctrl-0 = <&cam0_default>;
 250
 251                 clocks = <&clock_camcc CAM_CC_MCLK0_CLK>;
 252                 clock-names = "xvclk";
 253                 clock-frequency = <19200000>;
 254
 255                 dovdd-supply = <&vreg_lvs1a_1p8>;
 256                 avdd-supply = <&cam0_avdd_2v8>;
 257                 dvdd-supply = <&cam0_dvdd_1v2>;
 258
 259                 port {
 260                     ov8856_ep: endpoint {
 261                         link-frequencies = /bits/ 64 <360000000 180000000>;
 262                         data-lanes = <1 2 3 4>;
 263                         remote-endpoint = <&csiphy0_ep>;
 264                     };
 265                 };
 266             };
 267         };
 268
 269         cci_i2c1: i2c-bus@1 {
 270             reg = <1>;
 271             clock-frequency = <1000000>;
 272             #address-cells = <1>;
 273             #size-cells = <0>;
 274
 275             camera@60 {
 276                 compatible = "ovti,ov7251";
 277                 reg = <0x60>;
 278
 279                 enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
 280                 pinctrl-names = "default";
 281                 pinctrl-0 = <&cam3_default>;
 282
 283                 clocks = <&clock_camcc CAM_CC_MCLK3_CLK>;
 284                 clock-names = "xclk";
 285                 clock-frequency = <24000000>;
 286
 287                 vdddo-supply = <&vreg_lvs1a_1p8>;
 288                 vdda-supply = <&cam3_avdd_2v8>;
 289
 290                 port {
 291                     ov7251_ep: endpoint {
 292                         data-lanes = <0>;
 293                         link-frequencies = /bits/ 64 <240000000 319200000>;
 294                         remote-endpoint = <&csiphy3_ep>;
 295                     };
 296                 };
 297             };
 298         };
 299     };