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Commit 6fcf0615 authored by Haavard Skinnemoen's avatar Haavard Skinnemoen
Browse files

[AVR32] Wire up USBA device 



Implement at32_add_device_usba() and use it to wire up the USBA device
on ATSTK1000 and ATNGW100.

Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent 7808fa48

arch/avr32/boards/atngw100/setup.c

+1 −0
Original line number Diff line number Diff line
@@ -154,6 +154,7 @@ static int __init atngw100_init(void) 
	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));



	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));

	at32_add_device_usba(0, NULL);



	for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {

		at32_select_gpio(ngw_leds[i].gpio,

arch/avr32/boards/atstk1000/atstk1002.c

+1 −0
Original line number Diff line number Diff line
@@ -241,6 +241,7 @@ static int __init atstk1002_init(void) 
	at32_add_device_lcdc(0, &atstk1000_lcdc_data,

			     fbmem_start, fbmem_size);

#endif

	at32_add_device_usba(0, NULL);

#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM

	at32_add_device_ssc(0, ATMEL_SSC_TX);

#endif

arch/avr32/mach-at32ap/at32ap7000.c

+68 −0
Original line number Diff line number Diff line
@@ -1161,6 +1161,72 @@ at32_add_device_ssc(unsigned int id, unsigned int flags) 
	return pdev;

}



/* --------------------------------------------------------------------

 *  USB Device Controller

 * -------------------------------------------------------------------- */

static struct resource usba0_resource[] __initdata = {

	{

		.start		= 0xff300000,

		.end		= 0xff3fffff,

		.flags		= IORESOURCE_MEM,

	}, {

		.start		= 0xfff03000,

		.end		= 0xfff033ff,

		.flags		= IORESOURCE_MEM,

	},

	IRQ(31),

};

static struct clk usba0_pclk = {

	.name		= "pclk",

	.parent		= &pbb_clk,

	.mode		= pbb_clk_mode,

	.get_rate	= pbb_clk_get_rate,

	.index		= 12,

};

static struct clk usba0_hclk = {

	.name		= "hclk",

	.parent		= &hsb_clk,

	.mode		= hsb_clk_mode,

	.get_rate	= hsb_clk_get_rate,

	.index		= 6,

};



struct platform_device *__init

at32_add_device_usba(unsigned int id, struct usba_platform_data *data)

{

	struct platform_device *pdev;



	if (id != 0)

		return NULL;



	pdev = platform_device_alloc("atmel_usba_udc", 0);

	if (!pdev)

		return NULL;



	if (platform_device_add_resources(pdev, usba0_resource,

					  ARRAY_SIZE(usba0_resource)))

		goto out_free_pdev;



	if (data) {

		if (platform_device_add_data(pdev, data, sizeof(*data)))

			goto out_free_pdev;



		if (data->vbus_pin != GPIO_PIN_NONE)

			at32_select_gpio(data->vbus_pin, 0);

	}



	usba0_pclk.dev = &pdev->dev;

	usba0_hclk.dev = &pdev->dev;



	platform_device_add(pdev);



	return pdev;



out_free_pdev:

	platform_device_put(pdev);

	return NULL;

}



/* --------------------------------------------------------------------

 *  GCLK

 * -------------------------------------------------------------------- */
@@ -1246,6 +1312,8 @@ struct clk *at32_clock_list[] = { 
	&ssc0_pclk,

	&ssc1_pclk,

	&ssc2_pclk,

	&usba0_hclk,

	&usba0_pclk,

	&gclk0,

	&gclk1,

	&gclk2,

include/asm-avr32/arch-at32ap/board.h

+8 −0
Original line number Diff line number Diff line
@@ -6,6 +6,8 @@ 


#include <linux/types.h>



#define GPIO_PIN_NONE	(-1)



/* Add basic devices: system manager, interrupt controller, portmuxes, etc. */

void at32_add_system_devices(void);
@@ -36,6 +38,12 @@ struct platform_device * 
at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,

		     unsigned long fbmem_start, unsigned long fbmem_len);



struct usba_platform_data {

	int vbus_pin;

};

struct platform_device *

at32_add_device_usba(unsigned int id, struct usba_platform_data *data);



/* depending on what's hooked up, not all SSC pins will be used */

#define	ATMEL_SSC_TK		0x01

#define	ATMEL_SSC_TF		0x02