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