Enable saradc and add the reference 1.8v regulator required. The libretech-cc has saradc channel 0 and 2 available on the 2 first pins of 2J3 header
Signed-off-by: Jerome Brunet <[email protected]> --- arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index 69ca14ac10fa..71c3b3545bba 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -93,6 +93,13 @@ <1800000 1>; }; + vddio_ao18: regulator-vddio_ao18 { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_AO18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + vddio_boot: regulator-vddio_boot { compatible = "regulator-fixed"; regulator-name = "VDDIO_BOOT"; @@ -193,6 +200,11 @@ "7J1 Header Pin15"; }; +&saradc { + status = "okay"; + vref-supply = <&vddio_ao18>; +}; + /* SD card */ &sd_emmc_b { status = "okay"; -- 2.9.5
