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| author |   Seungwhan Youn <sw.youn@samsung.com> | 2010-10-14 10:35:23 +0900 |
|---|---|---|
| committer |   Kukjin Kim <kgene.kim@samsung.com> | 2010-10-25 16:05:11 +0900 |
| commit | 068b432d74e4d3d17ee0c292337e7194bba655c0 (patch) | |
| tree | aaef0cb22ad8bac7147cec123b4eb2b5d12c38e4 /arch/arm/mach-s5pc100/dev-audio.c | |
| parent | ARM: S3C64XX: Ensure s3c64xx_ide_setup_gpio() is prototyped (diff) | |
| download | linux-dev-068b432d74e4d3d17ee0c292337e7194bba655c0.tar.xz linux-dev-068b432d74e4d3d17ee0c292337e7194bba655c0.zip | |
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>
Diffstat (limited to 'arch/arm/mach-s5pc100/dev-audio.c')
| -rw-r--r-- | arch/arm/mach-s5pc100/dev-audio.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/dev-audio.c b/arch/arm/mach-s5pc100/dev-audio.c index 7f6d01e74b8e..564e195ec493 100644 --- a/arch/arm/mach-s5pc100/dev-audio.c +++ b/arch/arm/mach-s5pc100/dev-audio.c @@ -263,3 +263,57 @@ struct platform_device s5pc100_device_ac97 = { .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; +} |