ARM: dts: imx7d-sdb: Set VLDO4 outpt to 2.8V for MIPI CSI/DSI
authorGautam Bhat <mindentropy@gmail.com>
Sat, 1 Jul 2017 07:39:11 +0000 (13:09 +0530)
committerShawn Guo <shawnguo@kernel.org>
Sun, 16 Jul 2017 01:42:14 +0000 (09:42 +0800)
According to mx7sabresd schematics the MIPI CSI/DSI voltage rails
should be 2.8V but the voltage provided is a maximum of 3.3V and
minimum of 1.8V. Providing such a higher voltage might damage the
peripherals and violates the schematic settings.

Signed-off-by: Gautam Bhat <mindentropy@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/imx7d-sdb.dts

index 54c4540..923aa75 100644 (file)
                        };
 
                        vgen6_reg: vldo4 {
-                               regulator-min-microvolt = <1800000>;
-                               regulator-max-microvolt = <3300000>;
+                               regulator-min-microvolt = <2800000>;
+                               regulator-max-microvolt = <2800000>;
                                regulator-always-on;
                        };
                };