From: Josep Orga <jorga@somdevices.com>
Date: Sat, 18 Apr 2020 17:14:24 +0000 (+0200)
Subject: ARM: dts: Add SPI support.
X-Git-Tag: rel_imx_4.19.35_1.1.0-somdevices.0~23
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=aad59b022c743eb7bf3d48238f31b4d1df6553f7;p=linux.git

ARM: dts: Add SPI support.

Signed-off-by: Josep Orga <jorga@somdevices.com>
---

diff --git a/arch/arm/boot/dts/imx6ull-somdevices-C8P1.dts b/arch/arm/boot/dts/imx6ull-somdevices-C8P1.dts
index d88d04562632..394cb0e619fb 100644
--- a/arch/arm/boot/dts/imx6ull-somdevices-C8P1.dts
+++ b/arch/arm/boot/dts/imx6ull-somdevices-C8P1.dts
@@ -1 +1,3 @@
+#define MMC_SPI
+
 #include "imx6ull-somdevices.dtsi"
diff --git a/arch/arm/boot/dts/imx6ull-somdevices.dtsi b/arch/arm/boot/dts/imx6ull-somdevices.dtsi
index b83baeaa1112..ca96862f0276 100644
--- a/arch/arm/boot/dts/imx6ull-somdevices.dtsi
+++ b/arch/arm/boot/dts/imx6ull-somdevices.dtsi
@@ -6,6 +6,7 @@
  * published by the Free Software Foundation.
  */
 /* #define DUAL_ETH */
+/* #define MMC_SPI */
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
@@ -257,6 +258,28 @@
 	};
 };
 
+&ecspi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	fsl,spi-num-chipselects = <1>;
+	cs-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+#ifndef MMC_SPI
+	spidev0: spi@0 {
+		compatible = "spidev";
+		reg = <0>;
+		spi-max-frequency = <60000000>;
+	};
+#else
+	mmc-slot@3{
+		compatible = "mmc-spi-slot";
+		spi-max-frequency = <50000000>;
+		voltage-ranges = <3300 3300>;
+		reg = <0>;
+	};
+#endif
+};
+
 &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog_1>;
@@ -532,6 +555,15 @@
 			MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY    0x30b0
 		>;
 	};
+
+	pinctrl_ecspi2: ecspi2grp {
+		fsl,pins = <
+			MX6UL_PAD_UART5_TX_DATA__ECSPI2_MOSI	0x0b0b0	/* CSPI_MOSI */
+			MX6UL_PAD_UART5_RX_DATA__ECSPI2_MISO	0x0b0b0	/* CSPI_MISO */
+			MX6UL_PAD_UART4_TX_DATA__ECSPI2_SCLK	0x0b0b0	/* CSPI_SCLK */
+			MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29	0x0b0b0		/* CSPI_SS */
+		>;
+	};
 };
 
 &iomuxc_snvs {