mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-31 00:17:44 +00:00
Code Issues Releases Wiki Activity

sh: mach-ecovec24: Add USB1 gadget support

Browse source 
USB1 can change to host/function by checking PTB3.
This patch add USB1 gadget support and check PTB3 when boot,
and change name to usb1_common_XXX from usb1_host_XXX.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2009-10-28 06:31:57 +00:00 committed by Paul Mundt
parent 5b380ec11d
commit 3714a9a026
1 changed files with 17 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
arch/sh/boards/mach-ecovec24/setup.c
View file

@ -188,30 +188,18 @@ static struct platform_device usb0_host_device = {
.resource = usb0_host_resources,
};
/*
* USB1
*
* CN5 can use both host/function,
* and we can determine it by checking PTB[3]
*
* This time only USB1 host is supported.
*/
/* USB1 host/function */
void usb1_port_power(int port, int power)
{
if (!gpio_get_value(GPIO_PTB3)) {
printk(KERN_ERR "USB1 function is not supported\n");
return;
}
gpio_set_value(GPIO_PTB5, power);
}
static struct r8a66597_platdata usb1_host_data = {
static struct r8a66597_platdata usb1_common_data = {
.on_chip = 1,
.port_power = usb1_port_power,
};
static struct resource usb1_host_resources[] = {
static struct resource usb1_common_resources[] = {
[0] = {
.start = 0xa4d90000,
.end = 0xa4d90124 - 1,
@ -224,16 +212,16 @@ static struct resource usb1_host_resources[] = {
},
};
static struct platform_device usb1_host_device = {
.name = "r8a66597_hcd",
static struct platform_device usb1_common_device = {
/* .name will be added in arch_setup */
.id = 1,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb1_host_data,
.platform_data = &usb1_common_data,
},
.num_resources = ARRAY_SIZE(usb1_host_resources),
.resource = usb1_host_resources,
.num_resources = ARRAY_SIZE(usb1_common_resources),
.resource = usb1_common_resources,
};
/* LCDC */
@ -484,7 +472,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
&nor_flash_device,
&sh_eth_device,
&usb0_host_device,
&usb1_host_device, /* USB1 host support */
&usb1_common_device,
&lcdc_device,
&ceu0_device,
&ceu1_device,
@ -589,6 +577,14 @@ static int __init arch_setup(void)
ctrl_outw(0x0600, 0xa40501d4);
ctrl_outw(0x0600, 0xa4050192);
if (gpio_get_value(GPIO_PTB3)) {
printk(KERN_INFO "USB1 function is selected\n");
usb1_common_device.name = "r8a66597_udc";
} else {
printk(KERN_INFO "USB1 host is selected\n");
usb1_common_device.name = "r8a66597_hcd";
}
/* enable LCDC */
gpio_request(GPIO_FN_LCDD23, NULL);
gpio_request(GPIO_FN_LCDD22, NULL);