45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
* DW9800W vcm driver support
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Required Properties:
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- compatible: Must contain "chipnext,cn3927v"
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- reg: I2C slave address
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Optional Properties:
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- rockchip,vcm-max-current: max output current, unit: mA.
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- rockchip,vcm-start-current: starting current.
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- rockchip,vcm-rated-current: rate current.
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- rockchip,vcm-step-mode: 0 SAC2 mode,1 SAC3 mode,2 SAC4 mode,3 SAC5 mode,4 Direct mode,5 LSC mode.
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- rockchip,vcm-t-src : SACT[5:0], Tvib = 6.3ms + SACT[5:0]*0.1ms, recommend: 10ms.
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- rockchip,vcm-t-div : 0 Tvibx2(double),1 Tvibx1(default),2 Tvibx1/2(half),3 Tvibx1/4(quarter),4 Tvibx8,5 Tvibx4,
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Required Special properties:
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- rockchip,camera-module-index : indicate which camera the vcm belongs to.
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- rockchip,camera-module-facing : indicate the camera facing.
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Example:
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&i2c4 {
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...
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dw9800w: dw9800w@c {
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compatible = "dongwoon,dw9800w";
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status = "okay";
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reg = <0x0c>;
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rockchip,vcm-max-current = <100>;
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rockchip,vcm-start-current = <20>;
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rockchip,vcm-rated-current = <80>;
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rockchip,vcm-step-mode = <1>;
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rockchip,vcm-t-src = <0x25>;
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rockchip,vcm-t-div = <1>;
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rockchip,camera-module-index = <0>;
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rockchip,camera-module-facing = "back";
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};
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...
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imx586: s5kjn1@1a {
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...
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lens-focus = <&dw9800w>;
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...
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};
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...
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}
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