One question about SDMA for I.MX6ull spi 3 sdma setting

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

One question about SDMA for I.MX6ull spi 3 sdma setting

309 Views
winstonshi_aure
Contributor II

Hi there,

I want to check if the sdma setting,

dmas = <&sdma 7 7 1>, <&sdma 8 7 2>;

correct or not for the 6ull.

I found some one post 

dmas = <&sdma 7 8 1>, <&sdma 8 8 2>;

https://gitlab.com/veo-labs/linux/-/commit/67c7ec78fa06083a931d915d433268f7635bb090in 

I am facing the spi 3 dma transfer issue so i'd like to check this setting. thanks.

ecspi3: ecspi@02010000 {
                    #address-cells = <1>;
                    #size-cells = <0>;
                    compatible = "fsl,imx6ul-ecspi", "fsl,imx51-ecspi";
                    reg = <0x02010000 0x4000>;
                    interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
                    clocks = <&clks IMX6UL_CLK_ECSPI3>,
                         <&clks IMX6UL_CLK_ECSPI3>;
                    clock-names = "ipg", "per";
                    dmas = <&sdma 7 7 1>, <&sdma 8 7 2>;
                    dma-names = "rx", "tx";
                    status = "disabled";
                };
0 Kudos
1 Reply