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| author | Dong Aisheng <aisheng.dong@nxp.com> | 2019-12-02 18:01:15 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-12-02 18:01:15 +0800 |
| commit | 52e3d2b6ed4c171b8f050d5e09c5cb080c84e8e4 (patch) | |
| tree | a7207634bb47fe37e7ae57eaab8684daeac87753 /Documentation/devicetree/bindings/dma | |
| parent | 11adda239a4b56d564caedeab5222e8794d18f99 (diff) | |
| parent | 5ebe728cc7de44282212956b9187c8f1155fb99a (diff) | |
Merge remote-tracking branch 'origin/dma/sdma' into dma/next
* origin/dma/sdma: (23 commits)
LF-301: dmaengine: imx-sdma: Add once more loading firmware
LF-246: dmaengine: imx-sdma: correct is_ram_script checking
MLK-23005: dmaengine: imx-sdma: correct data size of channel context
MLK-22972 dmaengine: imx-sdma: correct the script number for v3
dma: imx-sdma: Add pm_ops to support suspend & resume
...
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt index 9d8bbac27d8b..ebbf7cfb1241 100644 --- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt @@ -9,6 +9,8 @@ Required properties: "fsl,imx53-sdma" "fsl,imx6q-sdma" "fsl,imx7d-sdma" + "fsl,imx6sx-sdma" + "fsl,imx6ul-sdma" "fsl,imx8mq-sdma" The -to variants should be preferred since they allow to determine the correct ROM script addresses needed for the driver to work without additional @@ -51,8 +53,14 @@ The full ID of peripheral types can be found below. 22 SSI Dual FIFO (needs firmware ver >= 2) 23 Shared ASRC 24 SAI + 25 HDMI Audio -The third cell specifies the transfer priority as below. +The third cell specifies the transfer priority and software done +as below. + + Bit31: sw_done + Bit15~Bit8: selector + Bit7~Bit0: priority level ID transfer priority ------------------------- @@ -60,6 +68,9 @@ The third cell specifies the transfer priority as below. 1 Medium 2 Low +For example: 0x80000000 means sw_done enabled for done0 sector and + High priority for PDM on i.mx8mm. + Optional properties: - gpr : The phandle to the General Purpose Register (GPR) node. |