linux-kernel - Re: [PATCH 02/11] arm64: dts: imx93: add dma support for lpspi[1..8]

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Message-ID: <Zh6eJ7njMmoKCu8Y@lizhi-Precision-Tower-5810>
Date: Tue, 16 Apr 2024 11:49:59 -0400
From: Frank Li <Frank.li@....com>
To: "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH 02/11] arm64: dts: imx93: add dma support for lpspi[1..8]

On Tue, Apr 16, 2024 at 11:26:38PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add dma support for lpspi[1..8]
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx93.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
> index 5c08e8787989..00f2526c4011 100644
> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi

#include <dt-bindings/dma/fsl-edma.h>

> @@ -344,6 +344,8 @@ lpspi1: spi@...60000 {
>  				clocks = <&clk IMX93_CLK_LPSPI1_GATE>,
>  					 <&clk IMX93_CLK_BUS_AON>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma1 11 0 0>, <&edma1 12 0 1>;
> +				dma-names = "tx", "rx";

1: should be FSL_EDMA_RX

>  				status = "disabled";
>  			};
>  
> @@ -356,6 +358,8 @@ lpspi2: spi@...70000 {
>  				clocks = <&clk IMX93_CLK_LPSPI2_GATE>,
>  					 <&clk IMX93_CLK_BUS_AON>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma1 13 0 0>, <&edma1 14 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -724,6 +728,8 @@ lpspi3: spi@...50000 {
>  				clocks = <&clk IMX93_CLK_LPSPI3_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 12 0 0>, <&edma2 13 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -736,6 +742,8 @@ lpspi4: spi@...60000 {
>  				clocks = <&clk IMX93_CLK_LPSPI4_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 14 0 0>, <&edma2 15 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -945,6 +953,8 @@ lpspi5: spi@...f0000 {
>  				clocks = <&clk IMX93_CLK_LPSPI5_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 79 0 0>, <&edma2 80 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -957,6 +967,8 @@ lpspi6: spi@...00000 {
>  				clocks = <&clk IMX93_CLK_LPSPI6_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 81 0 0>, <&edma2 82 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -969,6 +981,8 @@ lpspi7: spi@...10000 {
>  				clocks = <&clk IMX93_CLK_LPSPI7_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 83 0 0>, <&edma2 84 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -981,6 +995,8 @@ lpspi8: spi@...20000 {
>  				clocks = <&clk IMX93_CLK_LPSPI8_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 85 0 0>, <&edma2 86 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> 
> -- 
> 2.37.1
>