linux-kernel - [PATCH 2/2] arm64: dts: set UART1 clock frequency to 150MHz

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Date:	Fri,  8 Jul 2016 10:11:07 +0200
From:	Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
To:	jorge.ramirez-ortiz@...aro.org, linux@...linux.org.uk,
	xuwei5@...ilicon.com, mturquette@...libre.com
Cc:	guodong.xu@...aro.org, sboyd@...eaurora.org,
	xinliang.liu@...aro.org, john.stultz@...aro.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: set UART1 clock frequency to 150MHz

Enable support for higher baud rates (up to 3Mbps) in UART1 - required
for bluetooth transfers.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Tested-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
---
 arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index e92a30c..27be812 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -55,6 +55,8 @@
 		};
 
 		uart1: uart@...11000 {
+			assigned-clocks = <&sys_ctrl HI6220_UART1_SRC>;
+			assigned-clock-rates = <150000000>;
 			status = "ok";
 		};
 
-- 
2.7.4