1Qualcomm Camera Control Interface (CCI) I2C controller 2 3PROPERTIES: 4 5- compatible: 6 Usage: required 7 Value type: <string> 8 Definition: must be one of: 9 "qcom,msm8916-cci" 10 "qcom,msm8996-cci" 11 "qcom,sdm845-cci" 12 13- reg 14 Usage: required 15 Value type: <prop-encoded-array> 16 Definition: base address CCI I2C controller and length of memory 17 mapped region. 18 19- interrupts: 20 Usage: required 21 Value type: <prop-encoded-array> 22 Definition: specifies the CCI I2C interrupt. The format of the 23 specifier is defined by the binding document describing 24 the node's interrupt parent. 25 26- clocks: 27 Usage: required 28 Value type: <prop-encoded-array> 29 Definition: a list of phandle, should contain an entry for each 30 entries in clock-names. 31 32- clock-names 33 Usage: required 34 Value type: <string> 35 Definition: a list of clock names, must include "cci" clock. 36 37- power-domains 38 Usage: required for "qcom,msm8996-cci" 39 Value type: <prop-encoded-array> 40 Definition: 41 42SUBNODES: 43 44The CCI provides I2C masters for one (msm8916) or two i2c busses (msm8996 and 45sdm845), described as subdevices named "i2c-bus@0" and "i2c-bus@1". 46 47PROPERTIES: 48 49- reg: 50 Usage: required 51 Value type: <u32> 52 Definition: Index of the CCI bus/master 53 54- clock-frequency: 55 Usage: optional 56 Value type: <u32> 57 Definition: Desired I2C bus clock frequency in Hz, defaults to 100 58 kHz if omitted. 59 60Example: 61 62 cci@a0c000 { 63 compatible = "qcom,msm8996-cci"; 64 #address-cells = <1>; 65 #size-cells = <0>; 66 reg = <0xa0c000 0x1000>; 67 interrupts = <GIC_SPI 295 IRQ_TYPE_EDGE_RISING>; 68 clocks = <&mmcc MMSS_MMAGIC_AHB_CLK>, 69 <&mmcc CAMSS_TOP_AHB_CLK>, 70 <&mmcc CAMSS_CCI_AHB_CLK>, 71 <&mmcc CAMSS_CCI_CLK>, 72 <&mmcc CAMSS_AHB_CLK>; 73 clock-names = "mmss_mmagic_ahb", 74 "camss_top_ahb", 75 "cci_ahb", 76 "cci", 77 "camss_ahb"; 78 79 i2c-bus@0 { 80 reg = <0>; 81 clock-frequency = <400000>; 82 #address-cells = <1>; 83 #size-cells = <0>; 84 }; 85 86 i2c-bus@1 { 87 reg = <1>; 88 clock-frequency = <400000>; 89 #address-cells = <1>; 90 #size-cells = <0>; 91 }; 92 }; 93