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USB: MX5: Abstract out mx51 USB pixmux configuration

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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
Cc: Wolfgang Grandegger <wg@denx.de>
Cc: Jason Liu <r64343@freescale.com>
This commit is contained in:
Marek Vasut 2011-11-24 04:22:17 +01:00 committed by Remy Bohmer
parent 1ca5620253
commit 0f8c86b549
2 changed files with 77 additions and 0 deletions
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71
drivers/usb/host/ehci-mx5.c
View File

@ -58,6 +58,77 @@
/* USB_CTRL_1 */
#define MXC_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
/* USB pin configuration */
#define USB_PAD_CONFIG (PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \
PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | \
PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_PULL)
#ifdef CONFIG_MX51
/*
* Configure the MX51 USB H1 IOMUX
*/
void setup_iomux_usb_h1(void)
{
mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_CLK, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_CLK, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DIR, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DIR, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_NXT, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_NXT, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA0, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA0, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA1, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA1, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA2, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA2, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA3, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA3, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA4, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA4, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA5, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA5, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA6, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA6, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_USBH1_DATA7, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_USBH1_DATA7, USB_PAD_CONFIG);
}
/*
* Configure the MX51 USB H2 IOMUX
*/
void setup_iomux_usb_h2(void)
{
mxc_request_iomux(MX51_PIN_EIM_A24, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_A24, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_A25, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_A25, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_A26, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_A26, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_A27, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_A27, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D16, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D16, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D17, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D18, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D18, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D19, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D19, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D20, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D20, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D21, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D22, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D22, USB_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_EIM_D23, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_EIM_D23, USB_PAD_CONFIG);
}
#endif
int mxc_set_usbcontrol(int port, unsigned int flags)
{
unsigned int v;

6
include/usb/ehci-fsl.h
View File

@ -253,4 +253,10 @@ struct usb_ehci {
/* Board-specific initialization */
int board_ehci_hcd_init(int port);
/* CPU-specific abstracted-out IOMUX init */
#ifdef CONFIG_MX51
void setup_iomux_usb_h1(void);
void setup_iomux_usb_h2(void);
#endif
#endif /* _EHCI_FSL_H */