ARM: S5PC100: Add S/PDIF platform device
This patch add S/PDIF platform device to support S/PDIF PCM audio
on S5PC100.
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-s5pc100/dev-audio.c b/arch/arm/mach-s5pc100/dev-audio.c
index 7f6d01e..564e195 100644
--- a/arch/arm/mach-s5pc100/dev-audio.c
+++ b/arch/arm/mach-s5pc100/dev-audio.c
@@ -263,3 +263,57 @@
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
+
+/* S/PDIF Controller platform_device */
+static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)
+{
+ s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));
+
+ return 0;
+}
+
+static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)
+{
+ s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));
+
+ return 0;
+}
+
+static struct resource s5pc100_spdif_resource[] = {
+ [0] = {
+ .start = S5PC100_PA_SPDIF,
+ .end = S5PC100_PA_SPDIF + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPDIF,
+ .end = DMACH_SPDIF,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct s3c_audio_pdata s5p_spdif_pdata = {
+ .cfg_gpio = s5pc100_spdif_cfg_gpd,
+};
+
+static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pc100_device_spdif = {
+ .name = "samsung-spdif",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s5pc100_spdif_resource),
+ .resource = s5pc100_spdif_resource,
+ .dev = {
+ .platform_data = &s5p_spdif_pdata,
+ .dma_mask = &s5pc100_spdif_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init s5pc100_spdif_setup_gpio(int gpio)
+{
+ if (gpio == S5PC100_SPDIF_GPD)
+ s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;
+ else
+ s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;
+}