forked from luck/tmp_suning_uos_patched
ARM: S5P6442: Add audio platform devices
Define platform devices for all audio devices found on S5P6442 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
Ben Dooks
parent
95fa6e6cd3
commit
070c808546
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@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6442) += cpu.o init.o clock.o
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# machine support
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obj-$(CONFIG_MACH_SMDK6442) += mach-smdk6442.o
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# device support
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obj-y += dev-audio.o
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197
arch/arm/mach-s5p6442/dev-audio.c
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197
arch/arm/mach-s5p6442/dev-audio.c
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@ -0,0 +1,197 @@
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/* linux/arch/arm/mach-s5p6442/dev-audio.c
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*
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* Copyright (c) 2010 Samsung Electronics Co. Ltd
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* Jaswinder Singh <jassi.brar@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <plat/gpio-cfg.h>
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#include <plat/audio.h>
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#include <mach/gpio.h>
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#include <mach/map.h>
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#include <mach/dma.h>
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#include <mach/irqs.h>
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static int s5p6442_cfg_i2s(struct platform_device *pdev)
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{
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/* configure GPIO for i2s port */
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switch (pdev->id) {
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case 1:
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s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(2));
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break;
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case -1:
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s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(2));
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break;
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default:
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printk(KERN_ERR "Invalid Device %d\n", pdev->id);
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return -EINVAL;
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}
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return 0;
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}
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static struct s3c_audio_pdata s3c_i2s_pdata = {
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.cfg_gpio = s5p6442_cfg_i2s,
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};
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static struct resource s5p6442_iis0_resource[] = {
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[0] = {
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.start = S5P6442_PA_I2S0,
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.end = S5P6442_PA_I2S0 + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_I2S0_TX,
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.end = DMACH_I2S0_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_I2S0_RX,
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.end = DMACH_I2S0_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6442_device_iis0 = {
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.name = "s3c64xx-iis-v4",
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.id = -1,
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.num_resources = ARRAY_SIZE(s5p6442_iis0_resource),
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.resource = s5p6442_iis0_resource,
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.dev = {
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.platform_data = &s3c_i2s_pdata,
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},
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};
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static struct resource s5p6442_iis1_resource[] = {
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[0] = {
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.start = S5P6442_PA_I2S1,
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.end = S5P6442_PA_I2S1 + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_I2S1_TX,
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.end = DMACH_I2S1_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_I2S1_RX,
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.end = DMACH_I2S1_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6442_device_iis1 = {
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.name = "s3c64xx-iis",
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.id = 1,
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.num_resources = ARRAY_SIZE(s5p6442_iis1_resource),
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.resource = s5p6442_iis1_resource,
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.dev = {
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.platform_data = &s3c_i2s_pdata,
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},
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};
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/* PCM Controller platform_devices */
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static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
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{
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switch (pdev->id) {
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case 0:
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s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(3));
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break;
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case 1:
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s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(3));
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s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(3));
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break;
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default:
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printk(KERN_DEBUG "Invalid PCM Controller number!");
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return -EINVAL;
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}
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return 0;
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}
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static struct s3c_audio_pdata s3c_pcm_pdata = {
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.cfg_gpio = s5p6442_pcm_cfg_gpio,
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};
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static struct resource s5p6442_pcm0_resource[] = {
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[0] = {
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.start = S5P6442_PA_PCM0,
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.end = S5P6442_PA_PCM0 + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_PCM0_TX,
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.end = DMACH_PCM0_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_PCM0_RX,
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.end = DMACH_PCM0_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6442_device_pcm0 = {
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.name = "samsung-pcm",
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.id = 0,
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.num_resources = ARRAY_SIZE(s5p6442_pcm0_resource),
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.resource = s5p6442_pcm0_resource,
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.dev = {
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.platform_data = &s3c_pcm_pdata,
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},
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};
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static struct resource s5p6442_pcm1_resource[] = {
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[0] = {
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.start = S5P6442_PA_PCM1,
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.end = S5P6442_PA_PCM1 + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_PCM1_TX,
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.end = DMACH_PCM1_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_PCM1_RX,
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.end = DMACH_PCM1_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6442_device_pcm1 = {
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.name = "samsung-pcm",
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.id = 1,
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.num_resources = ARRAY_SIZE(s5p6442_pcm1_resource),
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.resource = s5p6442_pcm1_resource,
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.dev = {
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.platform_data = &s3c_pcm_pdata,
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},
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};
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@ -51,6 +51,14 @@
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#define S5P6442_PA_SDRAM (0x20000000)
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#define S5P_PA_SDRAM S5P6442_PA_SDRAM
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/* I2S */
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#define S5P6442_PA_I2S0 0xC0B00000
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#define S5P6442_PA_I2S1 0xF2200000
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/* PCM */
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#define S5P6442_PA_PCM0 0xF2400000
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#define S5P6442_PA_PCM1 0xF2500000
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/* compatibiltiy defines. */
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#define S3C_PA_UART S5P6442_PA_UART
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#define S3C_PA_IIC S5P6442_PA_IIC0
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@ -72,6 +72,11 @@ extern struct platform_device s5pv210_device_iis0;
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extern struct platform_device s5pv210_device_iis1;
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extern struct platform_device s5pv210_device_iis2;
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extern struct platform_device s5p6442_device_pcm0;
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extern struct platform_device s5p6442_device_pcm1;
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extern struct platform_device s5p6442_device_iis0;
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extern struct platform_device s5p6442_device_iis1;
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/* s3c2440 specific devices */
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#ifdef CONFIG_CPU_S3C2440
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