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Commit 534bc7fa authored by Mika Westerberg's avatar Mika Westerberg Committed by Mark Brown
Browse files

ARM: ep93xx: add AC97 platform support 



Add platform support for the EP93xx AC97 controller driver.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@iki.fi>
Acked-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: default avatarRyan Mallon <ryan@bluewatersys.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent aa7e1b84

arch/arm/mach-ep93xx/core.c

+34 −0
Original line number Diff line number Diff line
@@ -832,6 +832,40 @@ void ep93xx_i2s_release(void) 
}

EXPORT_SYMBOL(ep93xx_i2s_release);



/*************************************************************************

 * EP93xx AC97 audio peripheral handling

 *************************************************************************/

static struct resource ep93xx_ac97_resources[] = {

	{

		.start	= EP93XX_AAC_PHYS_BASE,

		.end	= EP93XX_AAC_PHYS_BASE + 0xb0 - 1,

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= IRQ_EP93XX_AACINTR,

		.end	= IRQ_EP93XX_AACINTR,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device ep93xx_ac97_device = {

	.name		= "ep93xx-ac97",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(ep93xx_ac97_resources),

	.resource	= ep93xx_ac97_resources,

};



void __init ep93xx_register_ac97(void)

{

	/*

	 * Make sure that the AC97 pins are not used by I2S.

	 */

	ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2SONAC97);



	platform_device_register(&ep93xx_ac97_device);

	platform_device_register(&ep93xx_pcm_device);

}



extern void ep93xx_gpio_init(void);



void __init ep93xx_init_devices(void)

arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h

+1 −0
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ 
#define EP93XX_GPIO_B_INT_STATUS	EP93XX_GPIO_REG(0xbc)

#define EP93XX_GPIO_EEDRIVE		EP93XX_GPIO_REG(0xc8)



#define EP93XX_AAC_PHYS_BASE		EP93XX_APB_PHYS(0x00080000)

#define EP93XX_AAC_BASE			EP93XX_APB_IOMEM(0x00080000)



#define EP93XX_SPI_PHYS_BASE		EP93XX_APB_PHYS(0x000a0000)

arch/arm/mach-ep93xx/include/mach/platform.h

+1 −0
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ void ep93xx_keypad_release_gpio(struct platform_device *pdev); 
void ep93xx_register_i2s(void);

int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config);

void ep93xx_i2s_release(void);

void ep93xx_register_ac97(void);



void ep93xx_init_devices(void);

extern struct sys_timer ep93xx_timer;