layerscape otg function should be supported HNP SRP and ADP protocol accroing to rm doc, but dwc3 code not realize it and use id pin to detect who is host or device(0 is host 1 is device) this patch is to enable OTG mode on ls1028ardb ls1088ardb and ls1046ardb in dts Signed-off-by: Yinbo Zhu <yinbo.zhu@xxxxxxx> --- arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 4 ++++ arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts | 4 ++++ arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts | 1 + 3 files changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts index 9fb9113..076cac6 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts @@ -171,3 +171,7 @@ &sata { status = "okay"; }; + +&usb1 { + dr_mode = "otg"; +}; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts index 6a6514d..0c742be 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts @@ -122,6 +122,10 @@ }; }; +&usb1 { + dr_mode = "otg"; +}; + #include "fsl-ls1046-post.dtsi" &fman0 { diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts index 8e925df..90b1989 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts @@ -95,5 +95,6 @@ }; &usb1 { + dr_mode = "otg"; status = "okay"; }; -- 2.9.5