[ARM] pxa/vpac270: UDC and UHC support
NOTE:
I wasn't able to get it running without reseting the HXOE (so it's there based
on my tests with the hardware). I'll have to investigate it properly when I have
more time.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index f1b0737..b2bef61 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -17,6 +17,7 @@
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/sysdev.h>
+#include <linux/usb/gpio_vbus.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
@@ -28,6 +29,9 @@
#include <mach/vpac270.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
+#include <mach/ohci.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/udc.h>
#include "generic.h"
#include "devices.h"
@@ -105,6 +109,14 @@
GPIO12_GPIO, /* CF RDY */
GPIO16_GPIO, /* CF RESET */
+ /* UHC */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+ GPIO119_USBH2_PWR,
+ GPIO120_USBH2_PEN,
+
+ /* UDC */
+ GPIO41_GPIO,
};
/******************************************************************************
@@ -233,6 +245,70 @@
#endif
/******************************************************************************
+ * USB Host
+ ******************************************************************************/
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static int vpac270_ohci_init(struct device *dev)
+{
+ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
+ return 0;
+}
+
+static struct pxaohci_platform_data vpac270_ohci_info = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 | ENABLE_PORT2 |
+ POWER_CONTROL_LOW | POWER_SENSE_LOW,
+ .init = vpac270_ohci_init,
+};
+
+static void __init vpac270_uhc_init(void)
+{
+ pxa_set_ohci_info(&vpac270_ohci_info);
+}
+#else
+static inline void vpac270_uhc_init(void) {}
+#endif
+
+/******************************************************************************
+ * USB Gadget
+ ******************************************************************************/
+#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
+ .gpio_vbus = GPIO41_VPAC270_UDC_DETECT,
+ .gpio_pullup = -1,
+};
+
+static struct platform_device vpac270_gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+ .dev = {
+ .platform_data = &vpac270_gpio_vbus_info,
+ },
+};
+
+static void vpac270_udc_command(int cmd)
+{
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
+}
+
+static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
+ .udc_command = vpac270_udc_command,
+ .gpio_pullup = -1,
+};
+
+static void __init vpac270_udc_init(void)
+{
+ pxa_set_udc_info(&vpac270_udc_info);
+ platform_device_register(&vpac270_gpio_vbus);
+}
+#else
+static inline void vpac270_udc_init(void) {}
+#endif
+
+/******************************************************************************
* Framebuffer
******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
@@ -312,6 +388,8 @@
vpac270_nor_init();
vpac270_leds_init();
vpac270_keys_init();
+ vpac270_uhc_init();
+ vpac270_udc_init();
}
MACHINE_START(VPAC270, "Voipac PXA270")