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--- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt
+++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt
@@ -4,7 +4,10 @@ This driver follows the generic DMA bind
Required properties:
-- compatible: Must be "allwinner,sun6i-a31-dma" or "allwinner,sun8i-a23-dma"
+- compatible: Must be one of
+ "allwinner,sun6i-a31-dma"
+ "allwinner,sun8i-a23-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
- clocks: Should contain a reference to the parent AHB clock
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -891,9 +891,21 @@ static struct sun6i_dma_config sun8i_a23
.nr_max_vchans = 37,
};
+/*
+ * The H3 has 12 physical channels, a maximum DRQ port id of 27,
+ * and a total of 34 usable source and destination endpoints.
+ */
+
+static struct sun6i_dma_config sun8i_h3_dma_cfg = {
+ .nr_max_channels = 12,
+ .nr_max_requests = 27,
+ .nr_max_vchans = 34,
+};
+
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-h3-dma", .data = &sun8i_h3_dma_cfg },
{ /* sentinel */ }
};
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