[PATCH 3/3] arm64: dts: allwinner: a100: Add I2C DMA requests

Samuel Holland
2022-08-30T02:10:23Z

The I2C controllers in the A100 SoC are all connected to the DMA engine.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---

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