The A64 SoC has the same dma engine as the H3 (sun8i), with a reduced amount of physical channels. Add the proper config data and compatible string to support it.
Signed-off-by: Stefan Brüns <stefan.bru...@rwth-aachen.de> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 4 ++++ drivers/dma/sun6i-dma.c | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index f96287d3043a..b86019238b77 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -494,6 +494,8 @@ interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>; clock-names = "ahb", "mod"; + dmas = <&dma 23>, <&dma 23>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&spi0_pins>; resets = <&ccu RST_BUS_SPI0>; @@ -509,6 +511,8 @@ interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>; clock-names = "ahb", "mod"; + dmas = <&dma 24>, <&dma 24>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&spi1_pins>; resets = <&ccu RST_BUS_SPI1>; diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 5f4eee4513e5..6a17c5d63582 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -1068,6 +1068,12 @@ static struct sun6i_dma_config sun8i_h3_dma_cfg = { .nr_max_vchans = 34, .dmac_variant = DMAC_VARIANT_H3, }; + +static struct sun6i_dma_config sun50i_a64_dma_cfg = { + .nr_max_channels = 8, + .nr_max_requests = 27, + .nr_max_vchans = 38, + .dmac_variant = DMAC_VARIANT_H3, }; static const struct of_device_id sun6i_dma_match[] = { @@ -1075,6 +1081,7 @@ static const struct of_device_id sun6i_dma_match[] = { { .compatible = "allwinner,sun8i-a23-dma", .data = &sun8i_a23_dma_cfg }, { .compatible = "allwinner,sun8i-a83t-dma", .data = &sun8i_a83t_dma_cfg }, { .compatible = "allwinner,sun8i-h3-dma", .data = &sun8i_h3_dma_cfg }, + { .compatible = "allwinner,sun50i-a64-dma", .data = &sun50i_a64_dma_cfg }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sun6i_dma_match); -- 2.14.1 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.