dmaengine: imx-sdma: Add a new DMATYPE for Shared Peripheral ASRC
Shared Peripheral ASRC, running on SPBA, needs to use shp sciprts for
DMA transfer. So this patch just adds a new DMATYPE for it.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
index e577196..4659fd9 100644
--- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
+++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
@@ -47,6 +47,7 @@
20 ASRC
21 ESAI
22 SSI Dual FIFO (needs firmware ver >= 2)
+ 23 Shared ASRC
The third cell specifies the transfer priority as below.
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 8269c20..de584e6 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -750,6 +750,11 @@
emi_2_per = sdma->script_addrs->asrc_2_mcu_addr;
per_2_per = sdma->script_addrs->per_2_per_addr;
break;
+ case IMX_DMATYPE_ASRC_SP:
+ per_2_emi = sdma->script_addrs->shp_2_mcu_addr;
+ emi_2_per = sdma->script_addrs->mcu_2_shp_addr;
+ per_2_per = sdma->script_addrs->per_2_per_addr;
+ break;
case IMX_DMATYPE_MSHC:
per_2_emi = sdma->script_addrs->mshc_2_mcu_addr;
emi_2_per = sdma->script_addrs->mcu_2_mshc_addr;
diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index bcbc6c3..7aa0e89 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -40,6 +40,7 @@
IMX_DMATYPE_ASRC, /* ASRC */
IMX_DMATYPE_ESAI, /* ESAI */
IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */
+ IMX_DMATYPE_ASRC_SP, /* Shared ASRC */
};
enum imx_dma_prio {