From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Mon, 16 May 2022 13:47:26 +0000 (+0200)
Subject: ARM: dts: imx7-colibri-aster: add ssp aka spi cs aka ss pins
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9b1617f948ada2e98e559ef6addc9fdf1af05a4f;p=linux.git

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 a89c868ff3edf..1179657058148 100644
--- 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";
 };