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