The I2C controllers in the A100 SoC are all connected to the DMA engine. Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> --- arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 5453a3bb7d81..97e3e6907acd 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -221,6 +221,8 @@ i2c0: i2c@5002000 { interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_I2C0>; resets = <&ccu RST_BUS_I2C0>; + dmas = <&dma 43>, <&dma 43>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -234,6 +236,8 @@ i2c1: i2c@5002400 { interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_I2C1>; resets = <&ccu RST_BUS_I2C1>; + dmas = <&dma 44>, <&dma 44>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -247,6 +251,8 @@ i2c2: i2c@5002800 { interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_I2C2>; resets = <&ccu RST_BUS_I2C2>; + dmas = <&dma 45>, <&dma 45>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -260,6 +266,8 @@ i2c3: i2c@5002c00 { interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; clocks = <&ccu CLK_BUS_I2C3>; resets = <&ccu RST_BUS_I2C3>; + dmas = <&dma 46>, <&dma 46>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -337,6 +345,8 @@ r_i2c0: i2c@7081400 { interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>; clocks = <&r_ccu CLK_R_APB2_I2C0>; resets = <&r_ccu RST_R_APB2_I2C0>; + dmas = <&dma 50>, <&dma 50>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&r_i2c0_pins>; status = "disabled"; @@ -352,6 +362,8 @@ r_i2c1: i2c@7081800 { interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>; clocks = <&r_ccu CLK_R_APB2_I2C1>; resets = <&r_ccu RST_R_APB2_I2C1>; + dmas = <&dma 51>, <&dma 51>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&r_i2c1_pins>; status = "disabled"; -- 2.35.1