On Fri, 14 May 2021 01:30:19 +0200
Tobias Schramm <t.schramm@xxxxxxxxxxx> wrote:
> This commit adds DMA properties to all peripherals supporting DMA on the
> Allwinner V3s, enabling accelerated data transfer to them.
>
> Signed-off-by: Tobias Schramm <t.schramm@xxxxxxxxxxx>
DMA channels match the manual.
Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>
Cheers,
Andre
> ---
> arch/arm/boot/dts/sun8i-v3s.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
> index f0296ab46137..3eaa8703e2ac 100644
> --- a/arch/arm/boot/dts/sun8i-v3s.dtsi
> +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
> @@ -285,6 +285,8 @@ crypto@1c15000 {
> interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
> clock-names = "ahb", "mod";
> + dmas = <&dma 16>, <&dma 16>;
> + dma-names = "rx", "tx";
> resets = <&ccu RST_BUS_CE>;
> reset-names = "ahb";
> };
> @@ -446,6 +448,8 @@ uart0: serial@1c28000 {
> reg-shift = <2>;
> reg-io-width = <4>;
> clocks = <&ccu CLK_BUS_UART0>;
> + dmas = <&dma 6>, <&dma 6>;
> + dma-names = "rx", "tx";
> resets = <&ccu RST_BUS_UART0>;
> status = "disabled";
> };
> @@ -457,6 +461,8 @@ uart1: serial@1c28400 {
> reg-shift = <2>;
> reg-io-width = <4>;
> clocks = <&ccu CLK_BUS_UART1>;
> + dmas = <&dma 7>, <&dma 7>;
> + dma-names = "rx", "tx";
> resets = <&ccu RST_BUS_UART1>;
> status = "disabled";
> };
> @@ -468,6 +474,8 @@ uart2: serial@1c28800 {
> reg-shift = <2>;
> reg-io-width = <4>;
> clocks = <&ccu CLK_BUS_UART2>;
> + dmas = <&dma 8>, <&dma 8>;
> + dma-names = "rx", "tx";
> resets = <&ccu RST_BUS_UART2>;
> pinctrl-0 = <&uart2_pins>;
> pinctrl-names = "default";
> @@ -547,6 +555,8 @@ spi0: spi@1c68000 {
> 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>;
