i.MX ProcessorsのトピックRe: SPI driver enable

SPI driver enable

pooja_todakar — Wed, 13 Nov 2019 13:12:44 GMT

i added spi driver

all configration made enabled but my driver is not loading what is problem with this?

ecspi1: ecspi@02008000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6ul-ecspi", "fsl,imx51-ecspi";
reg = <0x02008000 0x4000>;
interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_ECSPI1>,
<&clks IMX6UL_CLK_ECSPI1>;
clock-names = "ipg", "per";
dmas = <&sdma 3 7 1>, <&sdma 4 7 2>;
dma-names = "rx", "tx";
status = "okay";
};

but is not loading i am not getting the driver information..

Re: SPI driver enable

igorpadykov — Wed, 13 Nov 2019 23:29:52 GMT

Hi Pooja

what bsp used in the case, one can try with nxp from source.codeaurora.org/external/imx/linux-imx

repository

linux-imx - i.MX Linux kernel

i.MX6UL EVK ecspi example

imx6ul-14x14-evk-ecspi.dts\dts\boot\arm\arch - linux-imx - i.MX Linux kernel

third party i.MX6UL ecspi tutorial

How To Use SPIDEV on phyFLEX-i.MX6 Yocto BSP - Develop.phytec - PHYTEC Wiki

Best regards
igor
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Re: SPI driver enable

pooja_todakar — Thu, 14 Nov 2019 07:41:53 GMT

i checked with my dts,with this all reference it is same dts entry,but and all SPI configuration is set correctly.but i am not getting spi clock.

how to resolve this problem?help me out.

&ecspi1 {
fsl,spi-num-chipselects = <1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
status = "okay";

spidev0: spi@0 {
reg = <0>;
compatible = "spidev";
spi-max-frequency = <1000000>;
};

Re: SPI driver enable

pooja_todakar — Thu, 14 Nov 2019 07:48:52 GMT

i checked with my dts,with this all reference it is same dts entry,but and all SPI configuration is set correctly.but i am not getting spi clock.

how to resolve this problem?help me out.

&ecspi1 {
fsl,spi-num-chipselects = <1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
status = "okay";

spidev0: spi@0 {
reg = <0>;
compatible = "spidev";
spi-max-frequency = <1000000>;
};

Re: SPI driver enable

igorpadykov — Thu, 14 Nov 2019 09:16:57 GMT

Hi Pooja

what bsp used in the case, could you try with nxp linux from

source.codeaurora.org/external/imx/linux-imx repository

linux-imx - i.MX Linux kernel

Best regards
igor