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

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Date:	Fri, 08 Jul 2016 10:23:28 -0700
From:	Michael Turquette <mturquette@...libre.com>
To:	Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>,
	jorge.ramirez-ortiz@...aro.org, linux@...linux.org.uk,
	xuwei5@...ilicon.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: Re: [PATCH 2/2] arm64: dts: set UART1 clock frequency to 150MHz

Quoting Jorge Ramirez-Ortiz (2016-07-08 01:11:07)
> 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>

Reviewed-by: Michael Turquette <mturquette@...libre.com>

> ---
>  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
>