diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index dcc77ed986bb..67a1f6fbd33c 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -330,6 +330,12 @@ static const struct bcm2835_dma_cfg_data bcm2711_dma_cfg = { .dma_mask = DMA_BIT_MASK(36), }; +static const struct bcm2835_dma_cfg_data bcm2712_dma_cfg = { + .chan_40bit_mask = BIT(6) | BIT(7) | BIT(8) | BIT(9) | + BIT(10) | BIT(11), + .dma_mask = DMA_BIT_MASK(40), +}; + static inline size_t bcm2835_dma_max_frame_length(struct bcm2835_chan *c) { /* lite and normal channels have different max frame length */ @@ -1214,6 +1220,7 @@ static void bcm2835_dma_free(struct bcm2835_dmadev *od) static const struct of_device_id bcm2835_dma_of_match[] = { { .compatible = "brcm,bcm2835-dma", .data = &bcm2835_dma_cfg }, { .compatible = "brcm,bcm2711-dma", .data = &bcm2711_dma_cfg }, + { .compatible = "brcm,bcm2712-dma", .data = &bcm2712_dma_cfg }, {}, }; MODULE_DEVICE_TABLE(of, bcm2835_dma_of_match);