1*4882a593Smuzhiyun* CN3927V vcm driver support 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired Properties: 4*4882a593Smuzhiyun- compatible: Must contain "chipnext,cn3927v" 5*4882a593Smuzhiyun- reg: I2C slave address 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunCommon Optional Properties: 8*4882a593Smuzhiyun- rockchip,vcm-max-current: max output current, default 120, unit: mA. 9*4882a593Smuzhiyun- rockchip,vcm-start-current: starting current. 10*4882a593Smuzhiyun- rockchip,vcm-rated-current: rate current. 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunNormal Mode Optional Properties: 13*4882a593Smuzhiyun- rockchip,vcm-step-mode: S[3:2]: Codes per step, S[1:0]: Step period, default 0xd. 14*4882a593Smuzhiyun- rockchip,vcm-edlc-enable: Enhanced Dual Level Control Mode enable, default 0. 15*4882a593Smuzhiyun- rockchip,vcm-dlc-enable: Dual level control enable, default 0. 16*4882a593Smuzhiyun- rockchip,vcm-mclk: MCLK[1:0], default 0. 17*4882a593Smuzhiyun- rockchip,vcm-t-src: T_SRC[4:0], default 0. 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunAdvanced Mode Optional Properties: 20*4882a593Smuzhiyun- rockchip,vcm-adcanced-mode: Enable Advanced mode, 0: Normal mode; 1: Advanced mode. 21*4882a593Smuzhiyun- rockchip,vcm-sac-mode: SAC_MODE[3:0]: 0x0~0xe, other reserved. 22*4882a593Smuzhiyun- rockchip,vcm-sac-time: SACT[6:0]: SAC time selection. 23*4882a593Smuzhiyun- rockchip,vcm-prescl: PRESC[1:0]: Prescaler (SAC Period Divider). 24*4882a593Smuzhiyun : SAC setting time = tVIB = (3.81ms+(SACT [6:0]) x 0.03ms)) x (PRESC[1:0]). 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunNRC(Noise Reduction Control) mode Properties: 27*4882a593SmuzhiyunCurrent not used, for future use 28*4882a593Smuzhiyun- rockchip,vcm-nrc-en: NRC EN: 0:Direct mode, 1:NRC mode. 29*4882a593Smuzhiyun- rockchip,vcm-nrc-mode: NRC_MODE: 0: NRC start, 1: NRC landing. 30*4882a593Smuzhiyun- rockchip,vcm-nrc-preset: PRESET[7:0]: NRC Current Setting. 31*4882a593Smuzhiyun- rockchip,vcm-nrc-infl: NRC_INF[1:0]: NRC inflection point. 32*4882a593Smuzhiyun- rockchip,vcm-nrc-time: NRC Operation Time: 0: 32ms, 1: 64ms. 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunRequired Special properties: 35*4882a593Smuzhiyun- rockchip,camera-module-index : indicate which camera the vcm belongs to. 36*4882a593Smuzhiyun- rockchip,camera-module-facing : indicate the camera facing. 37*4882a593Smuzhiyun 38*4882a593SmuzhiyunExample: 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun&i2c1 { 41*4882a593Smuzhiyun ... 42*4882a593Smuzhiyun cn3927v: cn3927v@c { 43*4882a593Smuzhiyun compatible = "chipnext,cn3927v"; 44*4882a593Smuzhiyun status = "okay"; 45*4882a593Smuzhiyun reg = <0x0c>; 46*4882a593Smuzhiyun rockchip,vcm-max-current = <120>; 47*4882a593Smuzhiyun rockchip,vcm-start-current = <30>; 48*4882a593Smuzhiyun rockchip,vcm-rated-current = <80>; 49*4882a593Smuzhiyun rockchip,vcm-step-mode = <0x8>; 50*4882a593Smuzhiyun rockchip,vcm-edlc-enable = <0>; 51*4882a593Smuzhiyun rockchip,vcm-dlc-enable = <0>; 52*4882a593Smuzhiyun rockchip,vcm-mclk = <1>; 53*4882a593Smuzhiyun rockchip,vcm-t-src = <0>; 54*4882a593Smuzhiyun rockchip,vcm-adcanced-mode = <1>; 55*4882a593Smuzhiyun rockchip,vcm-sac-mode = <0x03>; 56*4882a593Smuzhiyun rockchip,vcm-sac-time = <0x28>; 57*4882a593Smuzhiyun rockchip,vcm-prescl = <0x02>; 58*4882a593Smuzhiyun rockchip,vcm-nrc-en = <0>; 59*4882a593Smuzhiyun rockchip,vcm-nrc-mode = <1>; 60*4882a593Smuzhiyun rockchip,vcm-nrc-preset = <0x11110000>; 61*4882a593Smuzhiyun rockchip,vcm-nrc-infl = <0x01>; 62*4882a593Smuzhiyun rockchip,vcm-nrc-time = <0>; 63*4882a593Smuzhiyun rockchip,camera-module-index = <0>; 64*4882a593Smuzhiyun rockchip,camera-module-facing = "back"; 65*4882a593Smuzhiyun }; 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun ... 68*4882a593Smuzhiyun s5kjn1: s5kjn1@10 { 69*4882a593Smuzhiyun ... 70*4882a593Smuzhiyun lens-focus = <&cn3927v>; 71*4882a593Smuzhiyun ... 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun ... 74*4882a593Smuzhiyun} 75