Re: [PATCH v2 2/7] ARM: dts: sun8i: v3s: add DMA properties to peripherals supporting DMA
From: Andre Przywara <andre.przywara@arm.com>
Date: 2021-05-14 07:08:05
Also in:
linux-arm-kernel, linux-sunxi, lkml
On Fri, 14 May 2021 01:30:19 +0200 Tobias Schramm [off-list ref] 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@manjaro.org>
DMA channels match the manual. Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre
quoted hunk ↗ jump to hunk
--- 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>;