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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
--- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt
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+++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt
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@@ -4,7 +4,10 @@ This driver follows the generic DMA bind
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Required properties:
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-- compatible: Must be "allwinner,sun6i-a31-dma" or "allwinner,sun8i-a23-dma"
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+- compatible: Must be one of
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+ "allwinner,sun6i-a31-dma"
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+ "allwinner,sun8i-a23-dma"
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+ "allwinner,sun8i-h3-dma"
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- reg: Should contain the registers base address and length
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- interrupts: Should contain a reference to the interrupt used by this device
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- clocks: Should contain a reference to the parent AHB clock
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--- a/drivers/dma/sun6i-dma.c
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+++ b/drivers/dma/sun6i-dma.c
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@@ -891,9 +891,21 @@ static struct sun6i_dma_config sun8i_a23
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.nr_max_vchans = 37,
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};
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+/*
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+ * The H3 has 12 physical channels, a maximum DRQ port id of 27,
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+ * and a total of 34 usable source and destination endpoints.
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+ */
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+
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+static struct sun6i_dma_config sun8i_h3_dma_cfg = {
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+ .nr_max_channels = 12,
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+ .nr_max_requests = 27,
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+ .nr_max_vchans = 34,
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+};
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+
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static const struct of_device_id sun6i_dma_match[] = {
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{ .compatible = "allwinner,sun6i-a31-dma", .data = &sun6i_a31_dma_cfg },
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{ .compatible = "allwinner,sun8i-a23-dma", .data = &sun8i_a23_dma_cfg },
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+ { .compatible = "allwinner,sun8i-h3-dma", .data = &sun8i_h3_dma_cfg },
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{ /* sentinel */ }
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};
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