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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220830020824.62288-4-samuel@sholland.org>
Date:   Mon, 29 Aug 2022 21:08:24 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Samuel Holland <samuel@...lland.org>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH 3/3] arm64: dts: allwinner: a100: Add I2C DMA requests

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

Signed-off-by: Samuel Holland <samuel@...lland.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@...2000 {
 			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@...2400 {
 			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@...2800 {
 			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@...2c00 {
 			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@...1400 {
 			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@...1800 {
 			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