saradc in rk3288-evb use 1.8v ref. Signed-off-by: Jacob Chen <jacob-chen@xxxxxxxxxx> --- arch/arm/boot/dts/rk3288-evb.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index f226ca7..9cee856 100644 --- a/arch/arm/boot/dts/rk3288-evb.dtsi +++ b/arch/arm/boot/dts/rk3288-evb.dtsi @@ -129,6 +129,15 @@ }; }; + vccadc_ref: vccadc-ref { + compatible = "regulator-fixed"; + regulator-name = "vcc1v8_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + /* This turns on USB vbus for both host0 (ehci) and host1 (dwc2) */ vcc_host: vcc-host-regulator { compatible = "regulator-fixed"; @@ -218,6 +227,11 @@ status = "okay"; }; +&saradc { + vref-supply = <&vccadc_ref>; + status = "okay"; +}; + &sdmmc { bus-width = <4>; cap-mmc-highspeed; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html