| Message ID | 20190620170439.18762-1-angus@akkea.ca (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 8155b786b6f245380a11f66729a1038ef0611e8e |
| Headers | show |
| Series | arm64: dts: fsl: librem5: Limit the USB to 5V | expand |
On Thu, Jun 20, 2019 at 11:04:39AM -0600, Angus Ainslie (Purism) wrote: > 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> Prefix 'arm64: dts: librem5: ...' should be fine, so I changed it and applied the patch. Shawn > --- > arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts > index 3f4736fd3cea..ec85ada77955 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 { > -- > 2.17.1 >
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index 3f4736fd3cea..ec85ada77955 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 {
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> --- arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)