From: Magnus Damm <damm@xxxxxxxxxx>
Add USB gadget support for port CN26 on the Solution Engine 7724
board. The r8a66597-udc driver is hooked up as a platform device
and some registers are configured to enable the USB in gadget mode.
The hardware driving the USB port is the on-chip USB1 block in
the sh7724 processor configured as USB gadget controller.
Signed-off-by: Magnus Damm <damm@xxxxxxxxxx>
---
Needs the r8a66597-udc clock framework patch to run properly.
arch/sh/boards/mach-se/7724/setup.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
--- 0001/arch/sh/boards/mach-se/7724/setup.c
+++ work/arch/sh/boards/mach-se/7724/setup.c 2009-08-19 18:34:38.000000000 +0900
@@ -341,6 +341,35 @@ static struct platform_device sh7724_usb
.resource = sh7724_usb0_host_resources,
};
+static struct r8a66597_platdata sh7724_usb1_gadget_data = {
+ .on_chip = 1,
+};
+
+static struct resource sh7724_usb1_gadget_resources[] = {
+ [0] = {
+ .start = 0xa4d90000,
+ .end = 0xa4d90123,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 66,
+ .end = 66,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device sh7724_usb1_gadget_device = {
+ .name = "r8a66597_udc",
+ .id = 1, /* USB1 */
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &sh7724_usb1_gadget_data,
+ },
+ .num_resources = ARRAY_SIZE(sh7724_usb1_gadget_resources),
+ .resource = sh7724_usb1_gadget_resources,
+};
+
static struct platform_device *ms7724se_devices[] __initdata = {
&heartbeat_device,
&smc91x_eth_device,
@@ -351,6 +380,7 @@ static struct platform_device *ms7724se_
&keysc_device,
&sh_eth_device,
&sh7724_usb0_host_device,
+ &sh7724_usb1_gadget_device,
};
#define EEPROM_OP 0xBA206000
@@ -459,6 +489,9 @@ static int __init devices_setup(void)
/* enable USB0 port */
ctrl_outw(0x0600, 0xa40501d4);
+ /* enable USB1 port */
+ ctrl_outw(0x0600, 0xa4050192);
+
/* enable IRQ 0,1,2 */
gpio_request(GPIO_FN_INTC_IRQ0, NULL);
gpio_request(GPIO_FN_INTC_IRQ1, NULL);
--
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