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Subject: Re: [PATCH v13 1/2] arm: dts: mt2712: add uart APDMA to device tree
To:     Long Cheng <long.cheng@mediatek.com>,
        Vinod Koul <vkoul@kernel.org>,
        Randy Dunlap <rdunlap@infradead.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Sean Wang <sean.wang@kernel.org>,
        Nicolas Boichat <drinkcat@chromium.org>
Cc:     Dan Williams <dan.j.williams@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>,
        Sean Wang <sean.wang@mediatek.com>, dmaengine@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-serial@vger.kernel.org, srv_heupstream@mediatek.com,
        Yingjoe Chen <yingjoe.chen@mediatek.com>,
        YT Shen <yt.shen@mediatek.com>,
        Zhenbao Liu <zhenbao.liu@mediatek.com>
References: <1558596909-14084-1-git-send-email-long.cheng@mediatek.com>
 <1558596909-14084-2-git-send-email-long.cheng@mediatek.com>
From:   Matthias Brugger <matthias.bgg@gmail.com>
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On 23/05/2019 09:35, Long Cheng wrote:
> 1. add uart APDMA controller device node
> 2. add uart 0/1/2/3/4/5 DMA function

Due to the fact that 2/2 is not yet applied, please rephrase the commit message
and rebase on current mainline kernel.

Thanks
Matthias

> 
> Signed-off-by: Long Cheng <long.cheng@mediatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt2712e.dtsi |   51 +++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> index 43307ba..a7a7362 100644
> --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> @@ -300,6 +300,9 @@
>  		interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 10
> +			&apdma 11>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
> @@ -369,6 +372,39 @@
>  			 (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_HIGH)>;
>  	};
>  
> +	apdma: dma-controller@11000400 {
> +		compatible = "mediatek,mt2712-uart-dma",
> +			     "mediatek,mt6577-uart-dma";
> +		reg = <0 0x11000400 0 0x80>,
> +		      <0 0x11000480 0 0x80>,
> +		      <0 0x11000500 0 0x80>,
> +		      <0 0x11000580 0 0x80>,
> +		      <0 0x11000600 0 0x80>,
> +		      <0 0x11000680 0 0x80>,
> +		      <0 0x11000700 0 0x80>,
> +		      <0 0x11000780 0 0x80>,
> +		      <0 0x11000800 0 0x80>,
> +		      <0 0x11000880 0 0x80>,
> +		      <0 0x11000900 0 0x80>,
> +		      <0 0x11000980 0 0x80>;
> +		interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 105 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 106 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 107 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 108 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 109 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_SPI 114 IRQ_TYPE_LEVEL_LOW>;
> +		dma-requests = <12>;
> +		clocks = <&pericfg CLK_PERI_AP_DMA>;
> +		clock-names = "apdma";
> +		#dma-cells = <1>;
> +	};
> +
>  	auxadc: adc@11001000 {
>  		compatible = "mediatek,mt2712-auxadc";
>  		reg = <0 0x11001000 0 0x1000>;
> @@ -385,6 +421,9 @@
>  		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 0
> +			&apdma 1>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
> @@ -395,6 +434,9 @@
>  		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 2
> +			&apdma 3>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
> @@ -405,6 +447,9 @@
>  		interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 4
> +			&apdma 5>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
> @@ -415,6 +460,9 @@
>  		interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 6
> +			&apdma 7>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
> @@ -629,6 +677,9 @@
>  		interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_LOW>;
>  		clocks = <&baud_clk>, <&sys_clk>;
>  		clock-names = "baud", "bus";
> +		dmas = <&apdma 8
> +			&apdma 9>;
> +		dma-names = "tx", "rx";
>  		status = "disabled";
>  	};
>  
>