The kinetic,ktz8866 is a I2C driver, so add the missing reg property. And update example to make it clear. Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx> --- .../leds/backlight/kinetic,ktz8866.yaml | 29 ++++++++++++------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml index e1191453c2f0..6ec40cce3f11 100644 --- a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml @@ -21,6 +21,9 @@ properties: compatible: const: kinetic,ktz8866 + reg: + maxItems: 1 + vddpos-supply: description: positive boost supply regulator. @@ -53,6 +56,7 @@ properties: required: - compatible + - reg - vddpos-supply - vddneg-supply - enable-gpios @@ -63,14 +67,19 @@ examples: - | #include <dt-bindings/gpio/gpio.h> - backlight { - compatible = "kinetic,ktz8866"; - - vddpos-supply = <&bl_vddpos_5p5>; - vddneg-supply = <&bl_vddneg_5p5>; - enable-gpios = <&tlmm 139 GPIO_ACTIVE_HIGH>; - current-num-sinks = <5>; - kinetic,current-ramp-delay-ms = <128>; - kinetic,led-enable-ramp-delay-ms = <1>; - kinetic,enable-lcd-bias; + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@11 { + compatible = "kinetic,ktz8866"; + reg = <0x11>; + vddpos-supply = <&bl_vddpos_5p5>; + vddneg-supply = <&bl_vddneg_5p5>; + enable-gpios = <&tlmm 139 GPIO_ACTIVE_HIGH>; + current-num-sinks = <5>; + kinetic,current-ramp-delay-ms = <128>; + kinetic,led-enable-ramp-delay-ms = <1>; + kinetic,enable-lcd-bias; + }; }; -- 2.39.2