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Commit 49106c72 authored by apatard@mandriva.com's avatar apatard@mandriva.com Committed by Mark Brown
Browse files

orion/kirkwood: add audio functions. 



This patch add audio related definitions and functions

Signed-off-by: default avatarArnaud Patard <apatard@mandriva.com>
Acked-by: default avatarNicolas Pitre <nico@fluxnic.net>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 72ed5a8c

arch/arm/mach-kirkwood/common.c

+38 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <asm/mach/time.h>

#include <mach/kirkwood.h>

#include <mach/bridge-regs.h>

#include <plat/audio.h>

#include <plat/cache-feroceon-l2.h>

#include <plat/ehci-orion.h>

#include <plat/mvsdio.h>
@@ -864,6 +865,42 @@ struct sys_timer kirkwood_timer = { 
	.init = kirkwood_timer_init,

};



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

 * Audio

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

static struct resource kirkwood_i2s_resources[] = {

	[0] = {

		.start  = AUDIO_PHYS_BASE,

		.end    = AUDIO_PHYS_BASE + SZ_16K - 1,

		.flags  = IORESOURCE_MEM,

	},

	[1] = {

		.start  = IRQ_KIRKWOOD_I2S,

		.end    = IRQ_KIRKWOOD_I2S,

		.flags  = IORESOURCE_IRQ,

	},

};



static struct kirkwood_asoc_platform_data kirkwood_i2s_data = {

	.dram        = &kirkwood_mbus_dram_info,

	.burst       = 128,

};



static struct platform_device kirkwood_i2s_device = {

	.name		= "kirkwood-i2s",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(kirkwood_i2s_resources),

	.resource	= kirkwood_i2s_resources,

	.dev		= {

		.platform_data	= &kirkwood_i2s_data,

	},

};



void __init kirkwood_audio_init(void)

{

	kirkwood_clk_ctrl |= CGC_AUDIO;

	platform_device_register(&kirkwood_i2s_device);

}



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

 * General
@@ -923,6 +960,7 @@ void __init kirkwood_init(void) 
	kirkwood_spi_plat_data.tclk = kirkwood_tclk;

	kirkwood_uart0_data[0].uartclk = kirkwood_tclk;

	kirkwood_uart1_data[0].uartclk = kirkwood_tclk;

	kirkwood_i2s_data.tclk = kirkwood_tclk;



	/*

	 * Disable propagation of mbus errors to the CPU local bus,

arch/arm/mach-kirkwood/common.h

+2 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ struct mv_sata_platform_data; 
struct mvsdio_platform_data;

struct mtd_partition;

struct mtd_info;

struct kirkwood_asoc_platform_data;



/*

 * Basic Kirkwood init functions used early by machine-setup.
@@ -43,6 +44,7 @@ void kirkwood_uart0_init(void); 
void kirkwood_uart1_init(void);

void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);

void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *));

void kirkwood_audio_init(void);



extern int kirkwood_tclk;

extern struct sys_timer kirkwood_timer;

arch/arm/mach-kirkwood/include/mach/kirkwood.h

+3 −0
Original line number Diff line number Diff line
@@ -96,6 +96,9 @@ 


#define SDIO_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x90000)



#define AUDIO_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0xA0000)

#define AUDIO_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE | 0xA0000)



/*

 * Supported devices and revisions.

 */

arch/arm/plat-orion/include/plat/audio.h

0 → 100644
+11 −0
Original line number Diff line number Diff line 
#ifndef __PLAT_AUDIO_H

#define __PLAT_AUDIO_H



#include <linux/mbus.h>



struct kirkwood_asoc_platform_data {

	u32 tclk;

	struct mbus_dram_target_info *dram;

	int burst;

};

#endif