* [RFC][PATCH] arm64: dts: hikey: Add DMA entries for Bluetooth UART
@ 2018-12-12 0:11 John Stultz
0 siblings, 0 replies; only message in thread
From: John Stultz @ 2018-12-12 0:11 UTC (permalink / raw)
To: lkml
Cc: Mark Rutland, devicetree, Ryan Grachek, Wei Xu, Rob Herring,
John Stultz, Manivannan Sadhasivam, linux-arm-kernel
Add dma0 references for bluetooth uart to enable dma
for bt transfers.
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Ryan Grachek <ryan@edited.us>
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>
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 97d5bf2..c3b17dd 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
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