From: Angus Ainslie (Purism) <angus@akkea.ca>
Date: Thu, 20 Jun 2019 17:04:39 +0000 (-0600)
Subject: arm64: dts: librem5: Limit the USB to 5V
X-Git-Tag: v5.15~5870^2~14^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8155b786b6f245380a11f66729a1038ef0611e8e;p=platform%2Fkernel%2Flinux-starfive.git

arm64: dts: librem5: Limit the USB to 5V

The charge controller can handle 14V but the PTC on the devkit can only
handle 6V so limit the negotiated voltage to 5V.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 93b3830e5406..dd623dbc2360 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -353,7 +353,7 @@
 			sink-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_USB_COMM |
 				PDO_FIXED_DUAL_ROLE |
 				PDO_FIXED_DATA_SWAP )
-			     PDO_VAR(5000, 12000, 2000)>;
+			     PDO_VAR(5000, 3000, 3000)>;
 			op-sink-microwatt = <10000000>;
 
 			ports {