i.MX6UL: isiot: Add eMMC boot support
Boot from eMMC:
--------------
U-Boot SPL 2017.01-00314-gd0cd9cd-dirty (Jan 25 2017 - 13:25:27)
Trying to boot from MMC2
U-Boot 2017.01-00314-gd0cd9cd-dirty (Jan 25 2017 - 13:25:27 +0100)
CPU: Freescale i.MX6UL rev1.1 528 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 36C
Reset cause: POR
Model: Engicam Is.IoT MX6UL eMMC Starterkit
DRAM: 512 MiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
switch to partitions #0, OK
mmc1(part 0) is current device
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9012f69..1f0ac36 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -317,6 +317,7 @@
imx6q-icore-rqs.dtb \
imx6sx-sabreauto.dtb \
imx6ul-geam-kit.dtb \
+ imx6ul-isiot-emmc.dtb \
imx6ul-isiot-mmc.dtb \
imx6ul-isiot-nand.dtb
diff --git a/arch/arm/dts/imx6ul-isiot-emmc.dts b/arch/arm/dts/imx6ul-isiot-emmc.dts
new file mode 100644
index 0000000..677de96
--- /dev/null
+++ b/arch/arm/dts/imx6ul-isiot-emmc.dts
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "imx6ul-isiot.dtsi"
+
+/ {
+ model = "Engicam Is.IoT MX6UL eMMC Starterkit";
+ compatible = "engicam,imx6ul-isiot", "fsl,imx6ul";
+};
+
+&usdhc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ cd-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>;
+ bus-width = <8>;
+ no-1-8-v;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x17070
+ MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x10070
+ MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17070
+ MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17070
+ MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17070
+ MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17070
+ MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17070
+ MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17070
+ MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17070
+ MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17070
+ MX6UL_PAD_NAND_ALE__USDHC2_RESET_B 0x17070
+ >;
+ };
+};