[PATCH RFC 2/7] ARM: S3C64XX: Add DMA slave maps for PL080 devices
From: s.nawrocki@samsung.com (Sylwester Nawrocki)
Date: 2016-11-04 16:14:49
Also in:
linux-samsung-soc
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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 from the tables. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> --- arch/arm/mach-s3c64xx/pl080.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/arch/arm/mach-s3c64xx/pl080.c b/arch/arm/mach-s3c64xx/pl080.c
index 89c5a62..8c88680 100644
--- a/arch/arm/mach-s3c64xx/pl080.c
+++ b/arch/arm/mach-s3c64xx/pl080.c@@ -117,6 +117,25 @@ static void pl08x_put_xfer_signal(const struct pl08x_channel_data *cd, int ch) } }; +static const struct dma_slave_map s3c64xx_dma0_slave_map[] = { + { "s3c6400-uart.0", "tx", (void *)"uart0_tx" }, + { "s3c6400-uart.0", "rx", (void *)"uart0_rx" }, + { "s3c6400-uart.1", "tx", (void *)"uart1_tx" }, + { "s3c6400-uart.1", "rx", (void *)"uart1_rx" }, + { "s3c6400-uart.2", "tx", (void *)"uart2_tx" }, + { "s3c6400-uart.2", "rx", (void *)"uart2_rx" }, + { "s3c6400-uart.3", "tx", (void *)"uart3_tx" }, + { "s3c6400-uart.3", "rx", (void *)"uart3_rx" }, + { "samsung-pcm.0", "tx", (void *)"pcm0_tx" }, + { "samsung-pcm.0", "rx", (void *)"pcm0_rx" }, + { "samsung-i2s.0", "tx", (void *)"i2s0_tx" }, + { "samsung-i2s.0", "rx", (void *)"i2s0_rx" }, + { "s3c6410-spi.0", "tx", (void *)"spi0_tx" }, + { "s3c6410-spi.0", "rx", (void *)"spi0_rx" }, + { "samsung-i2s.2", "tx", (void *)"i2s2_tx" }, + { "samsung-i2s.2", "rx", (void *)"i2s2_rx" }, +}; + 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, + .slavecnt = ARRAY_SIZE(s3c64xx_dma0_slave_map), }; static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0,
@@ -207,6 +228,15 @@ static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0, }, }; +static const struct dma_slave_map s3c64xx_dma1_slave_map[] = { + { "samsung-pcm.1", "tx", (void *)"pcm1_tx" }, + { "samsung-pcm.1", "rx", (void *)"pcm1_rx" }, + { "samsung-i2s.1", "tx", (void *)"i2s1_tx" }, + { "samsung-i2s.1", "rx", (void *)"i2s1_rx" }, + { "s3c6410-spi.1", "tx", (void *)"spi1_tx" }, + { "s3c6410-spi.1", "rx", (void *)"spi1_rx" }, +}; + 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, + .slavecnt = ARRAY_SIZE(s3c64xx_dma1_slave_map), }; static AMBA_AHB_DEVICE(s3c64xx_dma1, "dma-pl080s.1", 0,
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1.9.1