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From: John Stultz <john.stultz@linaro.org>
To: lkml <linux-kernel@vger.kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, Ryan Grachek <ryan@edited.us>,
	Zhuangluan Su <suzhuangluan@hisilicon.com>,
	Tanglei Han <hantanglei@huawei.com>,
	Wei Xu <xuwei5@hisilicon.com>, Rob Herring <robh+dt@kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [RESEND][PATCH 1/3] arm64: dts: hi3660: Add dma to uart nodes
Date: Thu,  4 Apr 2019 01:16:26 -0700	[thread overview]
Message-ID: <1554365788-25610-2-git-send-email-john.stultz@linaro.org> (raw)
In-Reply-To: <1554365788-25610-1-git-send-email-john.stultz@linaro.org>

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
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.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(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 1734675..37a997a 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -484,6 +484,8 @@
 			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";
@@ -496,6 +498,8 @@
 			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";
@@ -520,6 +524,8 @@
 			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";
@@ -532,6 +538,8 @@
 			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";
-- 
2.7.4

  reply	other threads:[~2019-04-04  8:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-04  8:16 [RESEND][PATCH 0/3] DMA dts changes for hi3660 John Stultz
2019-04-04  8:16 ` John Stultz [this message]
2019-04-04  8:16 ` [RESEND][PATCH 2/3] arm64: dts: hi3660: Add hisi asp dma device John Stultz
2019-04-04  8:16 ` [RESEND][PATCH 3/3] arm64: dts: hi3660: Fixup unofficial dma-min-chan to dma-channel-mask John Stultz
2019-04-15 16:02 ` [RESEND][PATCH 0/3] DMA dts changes for hi3660 Wei Xu

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