xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[ARM] pxa/vpac270: UDC and UHC support

Browse Source 
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>
This commit is contained in:
Marek Vasut
2010-03-10 05:24:27 +01:00
committed by Eric Miao
parent addff0faec
commit 3d98f8816a
2 changed files with 79 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-pxa/include/mach/vpac270.h
View File

@@ -31,4 +31,5 @@
#define GPIO12_VPAC270_CF_RDY 12 #define GPIO12_VPAC270_CF_RDY 12
#define GPIO16_VPAC270_CF_RESET 16 #define GPIO16_VPAC270_CF_RESET 16
#define GPIO41_VPAC270_UDC_DETECT 41
#endif #endif

78
arch/arm/mach-pxa/vpac270.c
View File

@@ -17,6 +17,7 @@
#include <linux/input.h> #include <linux/input.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/sysdev.h> #include <linux/sysdev.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/mtd/mtd.h> #include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h> #include <linux/mtd/physmap.h>
@@ -28,6 +29,9 @@
#include <mach/vpac270.h> #include <mach/vpac270.h>
#include <mach/mmc.h> #include <mach/mmc.h>
#include <mach/pxafb.h> #include <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>
#include "generic.h" #include "generic.h"
#include "devices.h" #include "devices.h"
@@ -105,6 +109,14 @@ static unsigned long vpac270_pin_config[] __initdata = {
GPIO12_GPIO, /* CF RDY */ GPIO12_GPIO, /* CF RDY */
GPIO16_GPIO, /* CF RESET */ GPIO16_GPIO, /* CF RESET */
/* UHC */
GPIO88_USBH1_PWR,
GPIO89_USBH1_PEN,
GPIO119_USBH2_PWR,
GPIO120_USBH2_PEN,
/* UDC */
GPIO41_GPIO,
}; };
/****************************************************************************** /******************************************************************************
@@ -232,6 +244,70 @@ static void __init vpac270_leds_init(void)
static inline void vpac270_leds_init(void) {} static inline void vpac270_leds_init(void) {}
#endif #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 * Framebuffer
******************************************************************************/ ******************************************************************************/
@@ -312,6 +388,8 @@ static void __init vpac270_init(void)
vpac270_nor_init(); vpac270_nor_init();
vpac270_leds_init(); vpac270_leds_init();
vpac270_keys_init(); vpac270_keys_init();
vpac270_uhc_init();
vpac270_udc_init();
} }
MACHINE_START(VPAC270, "Voipac PXA270") MACHINE_START(VPAC270, "Voipac PXA270")