ARM: S5PV210: Add S/PDIF platform device

This patch add S/PDIF platform device to support S/PDIF PCM audio
on S5PV210.

Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/mach-s5pv210/dev-audio.c b/arch/arm/mach-s5pv210/dev-audio.c
index b274b6b..1303fcb 100644 (file)
--- a/arch/arm/mach-s5pv210/dev-audio.c
+++ b/arch/arm/mach-s5pv210/dev-audio.c
@@ -293,3 +293,43 @@ struct platform_device s5pv210_device_ac97 = {
                .coherent_dma_mask = DMA_BIT_MASK(32),
        },
 };
+
+/* S/PDIF Controller platform_device */
+
+static int s5pv210_spdif_cfg_gpio(struct platform_device *pdev)
+{
+       s3c_gpio_cfgpin_range(S5PV210_GPC1(0), 2, S3C_GPIO_SFN(3));
+
+       return 0;
+}
+
+static struct resource s5pv210_spdif_resource[] = {
+       [0] = {
+               .start  = S5PV210_PA_SPDIF,
+               .end    = S5PV210_PA_SPDIF + 0x100 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = DMACH_SPDIF,
+               .end    = DMACH_SPDIF,
+               .flags  = IORESOURCE_DMA,
+       },
+};
+
+static struct s3c_audio_pdata samsung_spdif_pdata = {
+       .cfg_gpio = s5pv210_spdif_cfg_gpio,
+};
+
+static u64 s5pv210_spdif_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pv210_device_spdif = {
+       .name           = "samsung-spdif",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(s5pv210_spdif_resource),
+       .resource       = s5pv210_spdif_resource,
+       .dev = {
+               .platform_data = &samsung_spdif_pdata,
+               .dma_mask = &s5pv210_spdif_dmamask,
+               .coherent_dma_mask = DMA_BIT_MASK(32),
+       },
+};

diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 0e24ba1..861d7fe 100644 (file)
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -86,6 +86,9 @@
 #define S5PV210_PA_SDRAM       (0x20000000)
 #define S5P_PA_SDRAM           S5PV210_PA_SDRAM
 
+/* S/PDIF */
+#define S5PV210_PA_SPDIF       0xE1100000
+
 /* I2S */
 #define S5PV210_PA_IIS0                0xEEE30000
 #define S5PV210_PA_IIS1                0xE2100000

diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c
index 053b50d..19b5324 100644 (file)
--- a/arch/arm/mach-s5pv210/mach-smdkc110.c
+++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
@@ -82,6 +82,7 @@ static struct s3c_ide_platdata smdkc110_ide_pdata __initdata = {
 static struct platform_device *smdkc110_devices[] __initdata = {
        &s5pv210_device_iis0,
        &s5pv210_device_ac97,
+       &s5pv210_device_spdif,
        &s3c_device_cfcon,
        &s3c_device_i2c0,
        &s3c_device_i2c1,

diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 5a9c79c..ad5f7ea 100644 (file)
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -104,6 +104,7 @@ static struct samsung_keypad_platdata smdkv210_keypad_data __initdata = {
 static struct platform_device *smdkv210_devices[] __initdata = {
        &s5pv210_device_iis0,
        &s5pv210_device_ac97,
+       &s5pv210_device_spdif,
        &s3c_device_adc,
        &s3c_device_cfcon,
        &s3c_device_hsmmc0,

diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 547110d..16521cc 100644 (file)
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -92,6 +92,7 @@ extern struct platform_device s5pv210_device_pcm2;
 extern struct platform_device s5pv210_device_iis0;
 extern struct platform_device s5pv210_device_iis1;
 extern struct platform_device s5pv210_device_iis2;
+extern struct platform_device s5pv210_device_spdif;
 
 extern struct platform_device s5p6442_device_pcm0;
 extern struct platform_device s5p6442_device_pcm1;