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| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2016-11-10 16:17:50 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-11-17 11:21:28 +0100 |
| commit | 5d13982a246ce49200c59f65902f047e7633ae65 (patch) | |
| tree | 9dbef56a25ffd15dc4e0dafd5532b11f5c22bf74 /arch/arm/mach-s3c64xx | |
| parent | dmaengine: pl08x: Add support for the DMA slave map (diff) | |
| download | linux-5d13982a246ce49200c59f65902f047e7633ae65.tar.xz linux-5d13982a246ce49200c59f65902f047e7633ae65.zip | |
ARM: s3c64xx: Add DMA slave maps for PL080 devices
This patch adds DMA slave map tables to the pl080 devices's
platform_data in order to support the new channel request API.
A few devices for which there was no DMA support with current
code are omitted in the tables.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx')
| -rw-r--r-- | arch/arm/mach-s3c64xx/pl080.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/pl080.c b/arch/arm/mach-s3c64xx/pl080.c index 89c5a62830a7..261820a855ec 100644 --- a/arch/arm/mach-s3c64xx/pl080.c +++ b/arch/arm/mach-s3c64xx/pl080.c @@ -117,6 +117,25 @@ static struct pl08x_channel_data s3c64xx_dma0_info[] = { } }; +static const struct dma_slave_map s3c64xx_dma0_slave_map[] = { + { "s3c6400-uart.0", "tx", &s3c64xx_dma0_info[0] }, + { "s3c6400-uart.0", "rx", &s3c64xx_dma0_info[1] }, + { "s3c6400-uart.1", "tx", &s3c64xx_dma0_info[2] }, + { "s3c6400-uart.1", "rx", &s3c64xx_dma0_info[3] }, + { "s3c6400-uart.2", "tx", &s3c64xx_dma0_info[4] }, + { "s3c6400-uart.2", "rx", &s3c64xx_dma0_info[5] }, + { "s3c6400-uart.3", "tx", &s3c64xx_dma0_info[6] }, + { "s3c6400-uart.3", "rx", &s3c64xx_dma0_info[7] }, + { "samsung-pcm.0", "tx", &s3c64xx_dma0_info[8] }, + { "samsung-pcm.0", "rx", &s3c64xx_dma0_info[9] }, + { "samsung-i2s.0", "tx", &s3c64xx_dma0_info[10] }, + { "samsung-i2s.0", "rx", &s3c64xx_dma0_info[11] }, + { "s3c6410-spi.0", "tx", &s3c64xx_dma0_info[12] }, + { "s3c6410-spi.0", "rx", &s3c64xx_dma0_info[13] }, + { "samsung-i2s.2", "tx", &s3c64xx_dma0_info[14] }, + { "samsung-i2s.2", "rx", &s3c64xx_dma0_info[15] }, +}; + struct pl08x_platform_data s3c64xx_dma0_plat_data = { .memcpy_channel = { .bus_id = "memcpy", @@ -134,6 +153,8 @@ struct pl08x_platform_data s3c64xx_dma0_plat_data = { .put_xfer_signal = pl08x_put_xfer_signal, .slave_channels = s3c64xx_dma0_info, .num_slave_channels = ARRAY_SIZE(s3c64xx_dma0_info), + .slave_map = s3c64xx_dma0_slave_map, + .slave_map_len = ARRAY_SIZE(s3c64xx_dma0_slave_map), }; static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0, @@ -207,6 +228,15 @@ static struct pl08x_channel_data s3c64xx_dma1_info[] = { }, }; +static const struct dma_slave_map s3c64xx_dma1_slave_map[] = { + { "samsung-pcm.1", "tx", &s3c64xx_dma1_info[0] }, + { "samsung-pcm.1", "rx", &s3c64xx_dma1_info[1] }, + { "samsung-i2s.1", "tx", &s3c64xx_dma1_info[2] }, + { "samsung-i2s.1", "rx", &s3c64xx_dma1_info[3] }, + { "s3c6410-spi.1", "tx", &s3c64xx_dma1_info[4] }, + { "s3c6410-spi.1", "rx", &s3c64xx_dma1_info[5] }, +}; + struct pl08x_platform_data s3c64xx_dma1_plat_data = { .memcpy_channel = { .bus_id = "memcpy", @@ -224,6 +254,8 @@ struct pl08x_platform_data s3c64xx_dma1_plat_data = { .put_xfer_signal = pl08x_put_xfer_signal, .slave_channels = s3c64xx_dma1_info, .num_slave_channels = ARRAY_SIZE(s3c64xx_dma1_info), + .slave_map = s3c64xx_dma1_slave_map, + .slave_map_len = ARRAY_SIZE(s3c64xx_dma1_slave_map), }; static AMBA_AHB_DEVICE(s3c64xx_dma1, "dma-pl080s.1", 0, |