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ARM: S5P6440: Add audio platform devices 

Define platform devices for all audio devices found on S5P6440

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jassi Brar 2010-05-18 16:03:02 +09:00 committed by Ben Dooks
parent 78a368234f
commit 08885d0a4c
4 changed files with 139 additions and 0 deletions
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3
arch/arm/mach-s5p6440/Makefile
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@ -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

127
arch/arm/mach-s5p6440/dev-audio.c Normal file
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@ -0,0 +1,127 @@
/* 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,
},
};

6
arch/arm/mach-s5p6440/include/mach/map.h
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@ -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

3
arch/arm/plat-samsung/include/plat/devs.h
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@ -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