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Commit 08885d0a authored by Jassi Brar's avatar Jassi Brar Committed by Ben Dooks
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ARM: S5P6440: Add audio platform devices 



Define platform devices for all audio devices found on S5P6440

Signed-off-by: default avatarJassi Brar <jassi.brar@samsung.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 78a36823

arch/arm/mach-s5p6440/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6440) += cpu.o init.o clock.o gpio.o 
# machine support



obj-$(CONFIG_MACH_SMDK6440)	+= mach-smdk6440.o



# device support

obj-y				+= dev-audio.o

arch/arm/mach-s5p6440/dev-audio.c

0 → 100644
+127 −0
Original line number Diff line number Diff line 
/* linux/arch/arm/mach-s5p6440/dev-audio.c

 *

 * Copyright (c) 2010 Samsung Electronics Co. Ltd

 *	Jaswinder Singh <jassi.brar@samsung.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#include <linux/platform_device.h>

#include <linux/dma-mapping.h>



#include <plat/gpio-cfg.h>

#include <plat/audio.h>



#include <mach/gpio.h>

#include <mach/map.h>

#include <mach/dma.h>

#include <mach/irqs.h>



static int s5p6440_cfg_i2s(struct platform_device *pdev)

{

	/* configure GPIO for i2s port */

	switch (pdev->id) {

	case -1:

		s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));

		s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));

		break;



	default:

		printk(KERN_ERR "Invalid Device %d\n", pdev->id);

		return -EINVAL;

	}



	return 0;

}



static struct s3c_audio_pdata s3c_i2s_pdata = {

	.cfg_gpio = s5p6440_cfg_i2s,

};



static struct resource s5p6440_iis0_resource[] = {

	[0] = {

		.start = S5P6440_PA_I2S,

		.end   = S5P6440_PA_I2S + 0x100 - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = DMACH_I2S0_TX,

		.end   = DMACH_I2S0_TX,

		.flags = IORESOURCE_DMA,

	},

	[2] = {

		.start = DMACH_I2S0_RX,

		.end   = DMACH_I2S0_RX,

		.flags = IORESOURCE_DMA,

	},

};



struct platform_device s5p6440_device_iis = {

	.name		  = "s3c64xx-iis-v4",

	.id		  = -1,

	.num_resources	  = ARRAY_SIZE(s5p6440_iis0_resource),

	.resource	  = s5p6440_iis0_resource,

	.dev = {

		.platform_data = &s3c_i2s_pdata,

	},

};



/* PCM Controller platform_devices */



static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)

{

	switch (pdev->id) {

	case 0:

		s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));

		s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));

		s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));

		s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));

		s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));

		break;



	default:

		printk(KERN_DEBUG "Invalid PCM Controller number!");

		return -EINVAL;

	}



	return 0;

}



static struct s3c_audio_pdata s3c_pcm_pdata = {

	.cfg_gpio = s5p6440_pcm_cfg_gpio,

};



static struct resource s5p6440_pcm0_resource[] = {

	[0] = {

		.start = S5P6440_PA_PCM,

		.end   = S5P6440_PA_PCM + 0x100 - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = DMACH_PCM0_TX,

		.end   = DMACH_PCM0_TX,

		.flags = IORESOURCE_DMA,

	},

	[2] = {

		.start = DMACH_PCM0_RX,

		.end   = DMACH_PCM0_RX,

		.flags = IORESOURCE_DMA,

	},

};



struct platform_device s5p6440_device_pcm = {

	.name		  = "samsung-pcm",

	.id		  = 0,

	.num_resources	  = ARRAY_SIZE(s5p6440_pcm0_resource),

	.resource	  = s5p6440_pcm0_resource,

	.dev = {

		.platform_data = &s3c_pcm_pdata,

	},

};

arch/arm/mach-s5p6440/include/mach/map.h

+6 −0
Original line number Diff line number Diff line
@@ -61,6 +61,12 @@ 
#define S5P6440_PA_SDRAM	(0x20000000)

#define S5P_PA_SDRAM		S5P6440_PA_SDRAM



/* I2S */

#define S5P6440_PA_I2S		0xF2000000



/* PCM */

#define S5P6440_PA_PCM		0xF2100000



/* compatibiltiy defines. */

#define S3C_PA_UART		S5P6440_PA_UART

#define S3C_PA_IIC		S5P6440_PA_IIC0

arch/arm/plat-samsung/include/plat/devs.h

+3 −0
Original line number Diff line number Diff line
@@ -77,6 +77,9 @@ extern struct platform_device s5p6442_device_pcm1; 
extern struct platform_device s5p6442_device_iis0;

extern struct platform_device s5p6442_device_iis1;



extern struct platform_device s5p6440_device_pcm;

extern struct platform_device s5p6440_device_iis;



/* s3c2440 specific devices */



#ifdef CONFIG_CPU_S3C2440