diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2023-02-28 18:02:47 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2023-03-14 15:47:54 +0800 |
| commit | 0253e1cb6300d50c6f6b3edd7b5a570fa92e8fcd (patch) | |
| tree | e27e715189885506234e0e817803b162055bfc33 | |
| parent | 09220adf9c337544bc7404ae666a8c5a2c5ca862 (diff) | |
| download | linux-0253e1cb6300d50c6f6b3edd7b5a570fa92e8fcd.tar.gz linux-0253e1cb6300d50c6f6b3edd7b5a570fa92e8fcd.zip | |
arm64: dts: imx8mp-debix: add USB host support
This adds support for the 4 USB3 host ports on the board, which are
connected to the i.MX8MP SoC via a Realtek RTS5411 hub.
As the schematic for the board is not available, I could not validate
that this really reflects the reality, but I modeled things after the
hacked in usage of the GPIOs in the downstream kernel.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts index 2876d18f2a38..b4409349eb3f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts @@ -43,6 +43,17 @@ gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_usb_hub: regulator-usb-hub { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_usb_hub>; + regulator-name = "USB_HUB"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; }; &A53_0 { @@ -254,6 +265,41 @@ status = "okay"; }; +&usb3_phy1 { + status = "okay"; +}; + +&usb3_1 { + status = "okay"; +}; + +&usb_dwc3_1 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb1>; + dr_mode = "host"; + status = "okay"; + + /* 2.x hub on port 1 */ + usb_hub_2_x: hub@1 { + compatible = "usbbda,5411"; + reg = <1>; + reset-gpios = <&gpio4 25 GPIO_ACTIVE_LOW>; + vdd-supply = <®_usb_hub>; + peer-hub = <&usb_hub_3_x>; + }; + + /* 3.x hub on port 2 */ + usb_hub_3_x: hub@2 { + compatible = "usbbda,411"; + reg = <2>; + reset-gpios = <&gpio4 25 GPIO_ACTIVE_LOW>; + vdd-supply = <®_usb_hub>; + peer-hub = <&usb_hub_2_x>; + }; +}; + /* SD Card */ &usdhc2 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; @@ -384,6 +430,12 @@ >; }; + pinctrl_reg_usb_hub: regusbhubgrp { + fsl,pins = < + MX8MP_IOMUXC_SAI2_TXD0__GPIO4_IO26 0x19 + >; + }; + pinctrl_rtc_int: rtcintgrp { fsl,pins = < MX8MP_IOMUXC_SD1_STROBE__GPIO2_IO11 0x140 @@ -411,6 +463,13 @@ >; }; + pinctrl_usb1: usb1grp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR 0x10 + MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x19 + >; + }; + pinctrl_usdhc2: usdhc2grp { fsl,pins = < MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190 |