From: Samuel Holland Date: Thu, 5 Nov 2020 05:41:31 +0000 (-0600) Subject: arm64: dts: allwinner: pinephone: Set ALDO3 to exactly 3v0 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3cf9bf3b25505d8e2a0366c35b0af6b48e7a3c40;p=linux.git arm64: dts: allwinner: pinephone: Set ALDO3 to exactly 3v0 ALDO3 is used as the power supply for the LRADC keys voltage divider, in addition to supplying AVCC and VCC-PLL. While AVCC and VCC-PLL will accept any voltage between 2v7 and 3v3, LRADC needs a precise 3v0 input to maintain the expected 2:3 ratio between the internal 2v0 reference voltage and the external supply. Signed-off-by: Samuel Holland Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20201105054135.24860-3-samuel@sholland.org --- diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index 3776f168d0235..555837722be21 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -270,8 +270,8 @@ ®_aldo3 { regulator-always-on; - regulator-min-microvolt = <2700000>; - regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; regulator-name = "vcc-pll-avcc"; };