diff options
| author | Frank Li <Frank.Li@nxp.com> | 2023-12-21 18:35:25 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-02-07 11:40:17 +0300 |
| commit | e0a08ed25492b6437e366b347113db484037b9b9 (patch) | |
| tree | 40922695eaee54493c9c191dbc7bfe60d9acc7e3 /drivers/dma/fsl-edma-common.h | |
| parent | 537df9ab2d72bb782926a7d263a9f0a101e60b2e (diff) | |
| download | linux-e0a08ed25492b6437e366b347113db484037b9b9.tar.xz | |
dmaengine: fsl-edma: add address for channel mux register in fsl_edma_chan
iMX95 move channel mux register to management page address space. This
prepare to support iMX95.
Add mux_addr in struct fsl_edma_chan. No function change.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231221153528.1588049-4-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/fsl-edma-common.h')
| -rw-r--r-- | drivers/dma/fsl-edma-common.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index fb45c7d4c1f4..4f39a548547a 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -145,6 +145,7 @@ struct fsl_edma_chan { enum dma_data_direction dma_dir; char chan_name[32]; struct fsl_edma_hw_tcd __iomem *tcd; + void __iomem *mux_addr; u32 real_count; struct work_struct issue_worker; struct platform_device *pdev; @@ -206,6 +207,8 @@ struct fsl_edma_drvdata { u32 chreg_off; u32 chreg_space_sz; u32 flags; + u32 mux_off; /* channel mux register offset */ + u32 mux_skip; /* how much skip for each channel */ int (*setup_irq)(struct platform_device *pdev, struct fsl_edma_engine *fsl_edma); }; |