Hi Gautam, On Wed, Jun 21, 2017 at 1:18 PM, Gautam Bhat <mindentr...@gmail.com> wrote: > This change sets the VLDO4 settings output to 2.8V in PMIC > initialization so that the MIPI DSI and MIPI CSI input voltage > is 2.8V as per the schematics.
As we do not have MIPI DSI / MIPI CSI support in U-Boot, it is preferable to let the kernel configure the regulator. You can do this is the device tree like this: diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 54c4540..923aa755 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -285,8 +285,8 @@ }; vgen6_reg: vldo4 { - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; regulator-always-on; }; }; Regards, Fabio Estevam _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot