On Thu, Mar 6, 2014 at 1:36 AM, Peter Chen <Peter.Chen@xxxxxxxxxxxxx> wrote: > Do you have usbmisc node? usbmisc is not probed or its probe has failed. Thanks, Peter. usbmisc node was 'disabled' at imx25.dtsi. I removed the 'disabled' and now the probe goes a bit further: ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver usbcore: registered new interface driver usb-storage 53ff4400.usb supply vbus not found, using dummy regulator ci_hdrc ci_hdrc.0: doesn't support gadget ci_hdrc ci_hdrc.0: EHCI Host Controller ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected .... usb 1-1: new low-speed USB device number 2 using ci_hdrc usb 1-1: device descriptor read/64, error -71 usb 1-1: device descriptor read/64, error -71 usb 1-1: new low-speed USB device number 3 using ci_hdrc usb 1-1: device descriptor read/64, error -71 usb 1-1: device descriptor read/64, error -71 usb 1-1: new low-speed USB device number 4 using ci_hdrc usb 1-1: device not accepting address 4, error -71 ... usb 1-1: new low-speed USB device number 5 using ci_hdrc usb 1-1: device not accepting address 5, error -71 hub 1-0:1.0: unable to enumerate USB device on port 1 My changes now look like this: diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts index 7a6d21f..6f17d11 100644 --- a/arch/arm/boot/dts/imx25-pdk.dts +++ b/arch/arm/boot/dts/imx25-pdk.dts @@ -107,3 +107,8 @@ fsl,uart-has-rtscts; status = "okay"; }; + +&usbhost1 { + phy_type = "serial"; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi index 32f760e..7fa123b 100644 --- a/arch/arm/boot/dts/imx25.dtsi +++ b/arch/arm/boot/dts/imx25.dtsi @@ -482,13 +482,17 @@ }; usbphy1: usbphy@1 { - compatible = "nop-usbphy"; - status = "disabled"; + compatible = "usb-nop-xceiv"; + clocks = <&clks 0>; + clock-names = "main_clk"; + status = "okay"; }; usbphy2: usbphy@2 { - compatible = "nop-usbphy"; - status = "disabled"; + compatible = "usb-nop-xceiv"; + clocks = <&clks 0>; + clock-names = "main_clk"; + status = "okay"; }; usbotg: usb@53ff4000 { @@ -498,6 +502,7 @@ clocks = <&clks 9>, <&clks 70>, <&clks 8>; clock-names = "ipg", "ahb", "per"; fsl,usbmisc = <&usbmisc 0>; + fsl,usbphy = <&usbphy1>; status = "disabled"; }; @@ -508,6 +513,7 @@ clocks = <&clks 9>, <&clks 70>, <&clks 8>; clock-names = "ipg", "ahb", "per"; fsl,usbmisc = <&usbmisc 1>; + fsl,usbphy = <&usbphy2>; status = "disabled"; }; @@ -517,7 +523,6 @@ clocks = <&clks 9>, <&clks 70>, <&clks 8>; clock-names = "ipg", "ahb", "per"; reg = <0x53ff4600 0x00f>; - status = "disabled"; }; dryice@53ffc000 { Let me know if you have some other suggestion. Thanks, Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html