From mboxrd@z Thu Jan 1 00:00:00 1970 From: andre.przywara@arm.com (Andre Przywara) Date: Mon, 30 Jul 2018 13:31:30 +0100 Subject: [PATCH v3 12/19] arm64: dts: allwinner: a64: Orange Pi Win: Adjust CSI power rails In-Reply-To: <20180730123137.923-1-andre.przywara@arm.com> References: <20180730123137.923-1-andre.przywara@arm.com> Message-ID: <20180730123137.923-13-andre.przywara@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Samuel Holland The Orange Pi Win board uses the AXP's ALDO1 power rail to drive the VCC-CSI line, which, according to the schematic, needs to be set to 2.8V. Also the ELDO3 power rail is connected to the CSI, with somewhat unclear voltage requirements. Add this regulator and allow the voltage to be set between 1.5V and 1.8V, which are the voltages mentioned in the schematic. Signed-off-by: Samuel Holland Signed-off-by: Andre Przywara --- arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts index 3f9c5c8b0264..63812576449f 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts @@ -160,9 +160,8 @@ #include "axp803.dtsi" ®_aldo1 { - regulator-always-on; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; regulator-name = "afvcc-csi"; }; @@ -240,6 +239,12 @@ regulator-name = "cpvdd"; }; +®_eldo3 { + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1800000>; + regulator-name = "dvdd-csi"; +}; + ®_fldo1 { regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; -- 2.14.4