Without this patch the following error will be shown:
Colibri T20 # usb start starting USB... No controllers found
This patch fixes USB operation and also the controller order as the CI UDC driver may only be instantiated on the first aka OTG port.
Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com Acked-by: Stephen Warren swarren@nvidia.com
---
Changes in v3: - Add Stephen's ack.
Changes in v2: - No change. - As suggested by Stephen remove last patch 5/5 colibri_t20: enable dfu also for nand.
arch/arm/dts/tegra20-colibri.dts | 45 +++++++++++++++++++++------------------- 1 file changed, 24 insertions(+), 21 deletions(-)
diff --git a/arch/arm/dts/tegra20-colibri.dts b/arch/arm/dts/tegra20-colibri.dts index 5b803d9..6bc8c49 100644 --- a/arch/arm/dts/tegra20-colibri.dts +++ b/arch/arm/dts/tegra20-colibri.dts @@ -14,10 +14,10 @@ i2c0 = "/i2c@7000d000"; i2c1 = "/i2c@7000c000"; i2c2 = "/i2c@7000c400"; - usb0 = "/usb@c5008000"; - usb1 = "/usb@c5000000"; - usb2 = "/usb@c5004000"; sdhci0 = "/sdhci@c8000600"; + usb0 = "/usb@c5000000"; + usb1 = "/usb@c5004000"; /* on-module only, for ASIX */ + usb2 = "/usb@c5008000"; };
host1x@50000000 { @@ -43,24 +43,6 @@ }; };
- usb@c5000000 { - statuc = "okay"; - dr_mode = "otg"; - }; - - usb@c5004000 { - statuc = "okay"; - /* VBUS_LAN */ - nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>; - nvidia,vbus-gpio = <&gpio TEGRA_GPIO(BB, 1) GPIO_ACTIVE_HIGH>; - }; - - usb@c5008000 { - statuc = "okay"; - /* USBH_PEN */ - nvidia,vbus-gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>; - }; - nand-controller@70008000 { nvidia,wp-gpios = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>; nvidia,width = <8>; @@ -101,6 +83,27 @@ clock-frequency = <100000>; };
+ /* EHCI instance 0: USB1_DP/N -> USBC_P/N */ + usb@c5000000 { + status = "okay"; + dr_mode = "otg"; + }; + + /* EHCI instance 1: ULPI -> USB3340 -> AX88772B */ + usb@c5004000 { + status = "okay"; + /* VBUS_LAN */ + nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>; + nvidia,vbus-gpio = <&gpio TEGRA_GPIO(BB, 1) GPIO_ACTIVE_HIGH>; + }; + + /* EHCI instance 2: USB3_DP/N -> USBH_P/N */ + usb@c5008000 { + status = "okay"; + /* USBH_PEN */ + nvidia,vbus-gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>; + }; + sdhci@c8000600 { status = "okay"; bus-width = <4>;