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>

5 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv210/dev-audio.c b/arch/arm/mach-s5pv210/dev-audio.c
index b274b6be7bd5..1303fcb12b51 100644
--- 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 0e24ba14cd26..861d7fe11fc9 100644
--- 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 053b50ddcfaa..19b532432da2 100644
--- 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 5a9c79cb63bd..ad5f7ea46817 100644
--- 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 547110da1109..16521cc12532 100644
--- 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;