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

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Date:   Thu, 24 Jan 2019 16:05:23 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.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: Re: [PATCH][RESEND] arm64: dts: hikey: Add DMA entries for Bluetooth
 UART

On Wed, Jan 23, 2019 at 12:30:37PM -0800, John Stultz wrote:
> 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>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  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
>