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| author | Jean-Francois Moine <moinejf@free.fr> | 2016-09-18 09:59:50 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-09-26 19:45:06 +0200 |
| commit | 3a03ea763a675ecb2a8805c6db01af125daa56e4 (patch) | |
| tree | 0d09437e6c8e3f94529a4f1ebea2cf65d16ba5a8 | |
| parent | dmaengine: s3c24xx: Add dma_slave_map for s3c2440 devices (diff) | |
| download | linux-3a03ea763a675ecb2a8805c6db01af125daa56e4.tar.xz linux-3a03ea763a675ecb2a8805c6db01af125daa56e4.zip | |
dmaengine: sun6i: Add support for Allwinner A83T (sun8i) variant
The A83T SoC has the same dma engine as the A31 (sun6i), with a reduced
amount of endpoints and physical channels.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| -rw-r--r-- | Documentation/devicetree/bindings/dma/sun6i-dma.txt | 1 | ||||
| -rw-r--r-- | drivers/dma/sun6i-dma.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt index d13c136cef8c..6b267045f522 100644 --- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt +++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt @@ -7,6 +7,7 @@ Required properties: - compatible: Must be one of "allwinner,sun6i-a31-dma" "allwinner,sun8i-a23-dma" + "allwinner,sun8i-a83t-dma" "allwinner,sun8i-h3-dma" - reg: Should contain the registers base address and length - interrupts: Should contain a reference to the interrupt used by this device diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 3835fcde3545..83461994e418 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -1011,6 +1011,12 @@ static struct sun6i_dma_config sun8i_a23_dma_cfg = { .nr_max_vchans = 37, }; +static struct sun6i_dma_config sun8i_a83t_dma_cfg = { + .nr_max_channels = 8, + .nr_max_requests = 28, + .nr_max_vchans = 39, +}; + /* * The H3 has 12 physical channels, a maximum DRQ port id of 27, * and a total of 34 usable source and destination endpoints. @@ -1025,6 +1031,7 @@ static struct sun6i_dma_config sun8i_h3_dma_cfg = { static const struct of_device_id sun6i_dma_match[] = { { .compatible = "allwinner,sun6i-a31-dma", .data = &sun6i_a31_dma_cfg }, { .compatible = "allwinner,sun8i-a23-dma", .data = &sun8i_a23_dma_cfg }, + { .compatible = "allwinner,sun8i-a83t-dma", .data = &sun8i_a83t_dma_cfg }, { .compatible = "allwinner,sun8i-h3-dma", .data = &sun8i_h3_dma_cfg }, { /* sentinel */ } }; |