ARM: dts: imx7-colibri-aster: add ssp aka spi cs aka ss pins

Add Colibri SSP aka SPI chip select (CS) aka slave select (SS) pins as
either used on Arduino UNO compatible header X18 or Raspberry Pi
compatible header X20.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7-colibri-aster.dtsi b/arch/arm/boot/dts/imx7-colibri-aster.dtsi
index a89c868ff3edf9689d5080c54c3c3991a0ada2a2..1179657058148246ad7e95520a139a80a7dd61e7 100644 (file)
--- a/arch/arm/boot/dts/imx7-colibri-aster.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-aster.dtsi
@@ -7,6 +7,16 @@
        status = "okay";
 };
 
+/* Colibri SSP */
+&ecspi3 {
+       cs-gpios = <
+               &gpio4 11 GPIO_ACTIVE_LOW /* SODIMM 86 / regular SSPFRM as UNO_SPI_CS or  */
+               &gpio4 23 GPIO_ACTIVE_LOW /* SODIMM 65 / already muxed pinctrl_gpio2 as SPI_CE0_N */
+               &gpio4 22 GPIO_ACTIVE_LOW /* SODIMM 85 / already muxed pinctrl_gpio2 as SPI_CE1_N */
+       >;
+       status = "okay";
+};
+
 &fec1 {
        status = "okay";
 };