diff options
| author | Adrien Grassein <adrien.grassein@gmail.com> | 2021-02-23 20:16:46 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2021-03-15 12:22:30 +0800 |
| commit | 421f715c7316cdba9f4ffe24a468b1fbd00b1273 (patch) | |
| tree | 41a2465f44436f509fc3730b7fa6d9167c4a0c32 /arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts | |
| parent | f37cd7560d3b6a1bb99ef5a1bce7125ca919f07c (diff) | |
arm64: dts: imx8mm-nitrogen-r2: add USB support
Add description of USB.
usbotg2 seems to not working on all boards (including ones
from variscite).
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts index 5f428aa84681..21b3224f89b9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts @@ -247,6 +247,34 @@ status = "okay"; }; +/* USB OTG port */ +&usbotg1 { + dr_mode = "otg"; + over-current-active-low; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg1>; + power-active-high; + status = "okay"; +}; + +/* USB Host port */ +&usbotg2 { + dr_mode = "host"; + over-current-active-low; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg2>; + power-active-high; + /* + * FIXME: having USB2 enabled hangs the boot just after: + *[ 1.655941] ci_hdrc ci_hdrc.1: EHCI Host Controller + *[ 1.660880] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2 + *[ 1.681505] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 + *[ 1.687730] hub 2-0:1.0: USB hub found + *[ 1.691528] hub 2-0:1.0: 1 port detected + */ + status = "disabled"; +}; + &wdog1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wdog>; @@ -318,6 +346,20 @@ >; }; + pinctrl_usbotg1: usbotg1grp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x16 + MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x156 + >; + }; + + pinctrl_usbotg2: usbotg2grp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO14_USB2_OTG_PWR 0x16 + MX8MM_IOMUXC_GPIO1_IO15_USB2_OTG_OC 0x15 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190 |