Hello, I pulled linux-next, but still can't figure out where to add my udc. Can you please explain when fsl-udc is loaded? Thanks a lot.
Greetings Sebastian Priebe ========================================== CADCON Ingenieurgesellschaft mbH & Co. KG Geschaeftsfuehrer: Robert Bauer, Andreas Gundel Sitz der Gesellschaft: D-86368 Gersthofen Registergericht: Amtsgericht Augsburg HRA 14521 ========================================== -----Ursprüngliche Nachricht----- Von: Fabio Estevam [mailto:[email protected]] Gesendet: Dienstag, 5. August 2014 14:21 An: Priebe, Sebastian Cc: [email protected] Betreff: Re: where to add imx-udc-mx27 in device tree On Tue, Aug 5, 2014 at 9:06 AM, Priebe, Sebastian <[email protected]> wrote: > Hello, > > I am trying to add an USB gadget to my device tree and I am using modules for > my gadgets (serial and mass-storage). > &usbotg { > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usbotg>; > dr_mode = "peripheral"; > phy_type = "utmi_wide"; > status = "okay"; > }; Take a look at arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi for an example. The udc driver is CONFIG_USB_CHIPIDEA_UDC=y. There is also the commit below in linux-next (not in 3.16) that select the gadget driver for imx_v4_v5_defconfig. Author: Fabio Estevam <[email protected]> Date: Wed Jun 25 17:28:53 2014 -0300 ARM: imx_v4_v5_defconfig: Add USB device options Allow USB device to work by default. Signed-off-by: Fabio Estevam <[email protected]> Signed-off-by: Shawn Guo <[email protected]> diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_d index 68abce9..090de01 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -159,6 +159,8 @@ CONFIG_USB_CHIPIDEA=y CONFIG_USB_CHIPIDEA_UDC=y CONFIG_USB_CHIPIDEA_HOST=y CONFIG_NOP_USB_XCEIV=y +CONFIG_USB_GADGET=y +CONFIG_USB_ETH=m CONFIG_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y
