imx6dq ecspi1 slave mode

jaimepena — Fri, 07 Jul 2017 13:23:41 GMT

Hello,

I am working with a new application and now I configure the device tree . I have one FPGA system which communicates with my imx6 by ecspi1 but the fpga is working as master and the ss is only connected to one slave , imx6 in this case.

I read that you need to configure the driver to use it like slave mode. but do I need to change something in my dts file?

ecspi1: ecspi@02008000 {
	#address-cells = <1>;
	#size-cells = <0>;
	compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
	reg = <0x02008000 0x4000>;
	interrupts = <0 31 IRQ_TYPE_LEVEL_HIGH>;
	clocks = <&clks IMX6QDL_CLK_ECSPI1>,
	<&clks IMX6QDL_CLK_ECSPI1>;
	clock-names = "ipg", "per";
	dmas = <&sdma 3 8 1>, <&sdma 4 8 2>;
	dma-names = "rx", "tx";
	status = "disabled";
	};

pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x1B0B0
MX6QDL_PAD_DISP0_DAT20__ECSPI1_SCLK 0x1B0B0
MX6QDL_PAD_EIM_EB2__ECSPI1_SS0 0x1B0B0
>;
};

&ecspi1 { //Microcontroller slave mode
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
status = "okay";
};

Thanks for your help

Regards

Re: imx6dq ecspi1 slave mode

igorpadykov — Fri, 07 Jul 2017 23:31:19 GMT

Hi jaime

please check changes on

http://www.gossamer-threads.com/lists/linux/kernel/2265455
https://community.freescale.com/docs/DOC-97380

Best regards
igor
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imx6dq ecspi1 slave mode

Re: imx6dq ecspi1 slave mode