Add support according the SMARC Spec 1.1 [1] and provided schematics. Due to the lack of hardware the interface can't be tested right now. [1] https://sget.org/standards/smarc Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 864e05b14b6f..1b2764a9ba7f 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -241,6 +241,14 @@ pinctrl-0 = <&pinctrl_flexcan2>; }; +/* SPI1 */ +&ecspi2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi2>; + fsl,spi-num-chipselects = <2>; + cs-gpios = <&gpio2 26 0>, <&gpio2 27 0>; +}; + /* SPI0 */ &ecspi4 { pinctrl-names = "default"; @@ -414,6 +422,17 @@ >; }; + pinctrl_ecspi2: ecspi2grp { + fsl,pins = < + MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1 + MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1 + MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1 + + MX6QDL_PAD_EIM_RW__GPIO2_IO26 0x1b0b0 /* CS0 */ + MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x1b0b0 /* CS1 */ + >; + }; + pinctrl_ecspi4: ecspi4grp { fsl,pins = < MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x100b1 -- 2.20.1
