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dma: tegra: add support for Tegra114 SoC 

NVIDIA's Tegra114 has APB DMA controller which has 32 dma channels
and support support channel wise pause control.

Add support for Tegra114 which uses the channel wise pause control
hardware feature.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Laxman Dewangan 2013-01-06 21:52:03 +05:30 committed by Vinod Koul
parent 1b140908c4
commit 5ea7caf30d
1 changed files with 12 additions and 1 deletions
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13
drivers/dma/tegra20-apb-dma.c
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@ -1217,8 +1217,19 @@ static const struct tegra_dma_chip_data tegra30_dma_chip_data = {
.support_channel_pause = false,
};
static const struct of_device_id tegra_dma_of_match[] __devinitconst = {
/* Tegra114 specific DMA controller information */
static const struct tegra_dma_chip_data tegra114_dma_chip_data = {
.nr_channels = 32,
.max_dma_count = 1024UL * 64,
.support_channel_pause = true,
};
static const struct of_device_id tegra_dma_of_match[] = {
{
.compatible = "nvidia,tegra114-apbdma",
.data = &tegra114_dma_chip_data,
}, {
.compatible = "nvidia,tegra30-apbdma",
.data = &tegra30_dma_chip_data,
}, {