linux-kernel - Re: [PATCH 01/11] arm64: dts: imx93: add dma support for lpi2c[1..8]

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Date: Tue, 16 Apr 2024 11:36:20 -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 01/11] arm64: dts: imx93: add dma support for lpi2c[1..8]

On Tue, Apr 16, 2024 at 11:26:37PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add dma support for lpi2c[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 b8ef9b938856..5c08e8787989 100644
> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi

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

> @@ -316,6 +316,8 @@ lpi2c1: i2c@...40000 {
>  				clocks = <&clk IMX93_CLK_LPI2C1_GATE>,
>  					 <&clk IMX93_CLK_BUS_AON>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma1 7 0 0>, <&edma1 8 0 1>;

1: should be FSL_EDMA_RX

Frank

> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -328,6 +330,8 @@ lpi2c2: i2c@...50000 {
>  				clocks = <&clk IMX93_CLK_LPI2C2_GATE>,
>  					 <&clk IMX93_CLK_BUS_AON>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma1 9 0 0>, <&edma1 10 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -692,6 +696,8 @@ lpi2c3: i2c@...30000 {
>  				clocks = <&clk IMX93_CLK_LPI2C3_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 8 0 0>, <&edma2 9 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -704,6 +710,8 @@ lpi2c4: i2c@...40000 {
>  				clocks = <&clk IMX93_CLK_LPI2C4_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 10 0 0>, <&edma2 11 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -881,6 +889,8 @@ lpi2c5: i2c@...b0000 {
>  				clocks = <&clk IMX93_CLK_LPI2C5_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 71 0 0>, <&edma2 72 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -893,6 +903,8 @@ lpi2c6: i2c@...c0000 {
>  				clocks = <&clk IMX93_CLK_LPI2C6_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 73 0 0>, <&edma2 74 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -905,6 +917,8 @@ lpi2c7: i2c@...d0000 {
>  				clocks = <&clk IMX93_CLK_LPI2C7_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 75 0 0>, <&edma2 76 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> @@ -917,6 +931,8 @@ lpi2c8: i2c@...e0000 {
>  				clocks = <&clk IMX93_CLK_LPI2C8_GATE>,
>  					 <&clk IMX93_CLK_BUS_WAKEUP>;
>  				clock-names = "per", "ipg";
> +				dmas = <&edma2 77 0 0>, <&edma2 78 0 1>;
> +				dma-names = "tx", "rx";
>  				status = "disabled";
>  			};
>  
> 
> -- 
> 2.37.1
>