[6/8,v3] arm64: dts: hi3660: Add dma to uart nodes

Message ID 1547141652-8660-7-git-send-email-john.stultz@linaro.org
State Superseded
Headers show
Series
  • k3dma patches to add support for hi3660/HiKey960
Related show

Commit Message

John Stultz Jan. 10, 2019, 5:34 p.m.
Try to add DMA support to the uart nodes following
the assignments made in the dts from the victoria vendor kernel
here:
https://consumer.huawei.com/en/opensource/detail/?siteCode=worldwide&keywords=p10&fileType=openSourceSoftware&pageSize=10&curPage=1

Cc: Tanglei Han <hantanglei@huawei.com>
Cc: Zhuangluan Su <suzhuangluan@hisilicon.com>
Cc: Ryan Grachek <ryan@edited.us>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: John Stultz <john.stultz@linaro.org>

---
v3:
* Remove dma enablment on uart0 which would use reserved channel 0
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

-- 
2.7.4

Patch

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 20ae40d..4c8d682 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -478,6 +478,8 @@ 
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x0 0xfdf00000 0x0 0x1000>;
 			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			dma-names = "rx", "tx";
+			dmas =  <&dma0 2 &dma0 3>;
 			clocks = <&crg_ctrl HI3660_CLK_GATE_UART1>,
 				 <&crg_ctrl HI3660_CLK_GATE_UART1>;
 			clock-names = "uartclk", "apb_pclk";
@@ -490,6 +492,8 @@ 
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x0 0xfdf03000 0x0 0x1000>;
 			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+			dma-names = "rx", "tx";
+			dmas =  <&dma0 4 &dma0 5>;
 			clocks = <&crg_ctrl HI3660_CLK_GATE_UART2>,
 				 <&crg_ctrl HI3660_PCLK>;
 			clock-names = "uartclk", "apb_pclk";
@@ -514,6 +518,8 @@ 
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x0 0xfdf01000 0x0 0x1000>;
 			interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+			dma-names = "rx", "tx";
+			dmas =  <&dma0 6 &dma0 7>;
 			clocks = <&crg_ctrl HI3660_CLK_GATE_UART4>,
 				 <&crg_ctrl HI3660_CLK_GATE_UART4>;
 			clock-names = "uartclk", "apb_pclk";
@@ -526,6 +532,8 @@ 
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x0 0xfdf05000 0x0 0x1000>;
 			interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+			dma-names = "rx", "tx";
+			dmas =  <&dma0 8 &dma0 9>;
 			clocks = <&crg_ctrl HI3660_CLK_GATE_UART5>,
 				 <&crg_ctrl HI3660_CLK_GATE_UART5>;
 			clock-names = "uartclk", "apb_pclk";