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