linux-kernel - [PATCH] arm64: dts: hikey: Add DMA entries for Bluetooth UART

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Message-Id: <1546543447-825-1-git-send-email-john.stultz@linaro.org>
Date:   Thu,  3 Jan 2019 11:24:07 -0800
From:   John Stultz <john.stultz@...aro.org>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Ryan Grachek <ryan@...ted.us>, Wei Xu <xuwei5@...ilicon.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH] arm64: dts: hikey: Add DMA entries for Bluetooth UART

Add dma0 references for bluetooth uart to enable dma
for bt transfers.

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Ryan Grachek <ryan@...ted.us>
Cc: Wei Xu <xuwei5@...ilicon.com>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org
Signed-off-by: John Stultz <john.stultz@...aro.org>
Change-Id: I85d36cc492a5f392cde214b144b19469e951585a
---
 arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index aec9e37..fa15a08 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -319,6 +319,8 @@
 			clock-names = "uartclk", "apb_pclk";
 			pinctrl-names = "default";
 			pinctrl-0 = <&uart1_pmx_func &uart1_cfg_func1 &uart1_cfg_func2>;
+			dmas = <&dma0 8 &dma0 9>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 		};
 
-- 
2.7.4