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ARM: mach-shmobile: ap4evb: Add USB host support

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2010-04-13 06:16:32 +00:00 committed by Paul Mundt
parent 0fff9ec116
commit fb54d26832
1 changed files with 63 additions and 0 deletions
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63
arch/arm/mach-shmobile/board-ap4evb.c
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@ -33,6 +33,7 @@
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/usb/r8a66597.h>
#include <mach/common.h>
#include <mach/sh7372.h>
#include <asm/mach-types.h>
@ -94,6 +95,15 @@
* OFF | KEY / IrDA / IRQ | IRQ |
*/
/*
* USB
*
* J7 : 1-2 MAX3355E VBUS
* 2-3 DC 5.0V
*
* S39: bit2: off
*/
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
{
@ -233,11 +243,53 @@ static struct platform_device sdhi0_device = {
.id = 0,
};
/* USB1 */
void usb1_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}
static struct r8a66597_platdata usb1_host_data = {
.on_chip = 1,
.port_power = usb1_host_port_power,
};
static struct resource usb1_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xE68B0000,
.end = 0xE68B00E6 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 215,
.end = 215,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb1_host_device = {
.name = "r8a66597_hcd",
.id = 1,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb1_host_data,
},
.num_resources = ARRAY_SIZE(usb1_host_resources),
.resource = usb1_host_resources,
};
static struct platform_device *ap4evb_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
&keysc_device,
&sdhi0_device,
&usb1_host_device,
};
/* TouchScreen (Needs SW3 set to OFF) */
@ -351,6 +403,17 @@ static void __init ap4evb_init(void)
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));
/* USB enable */
gpio_request(GPIO_FN_VBUS0_1, NULL);
gpio_request(GPIO_FN_IDIN_1_18, NULL);
gpio_request(GPIO_FN_PWEN_1_115, NULL);
gpio_request(GPIO_FN_OVCN_1_114, NULL);
gpio_request(GPIO_FN_EXTLP_1, NULL);
gpio_request(GPIO_FN_OVCN2_1, NULL);
/* setup USB phy */
__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
sh7372_add_standard_devices();
platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));