ARM: dts: AM571x-IDK Initial Support

The AM571x-IDK board is a board based on TI's AM5718 SOC
which has a single core 1.5GHz A15 processor. This board is a
development platform for the Industrial market with:
- 1GB of DDR3L
- Dual 1Gbps Ethernet
- HDMI,
- PRU-ICSS
- uSD
- 16GB eMMC
- CAN
- RS-485
- PCIe
- USB3.0
- Video Input Port
- Industrial IO port and expansion connector

The link to the data sheet and TRM can be found here:

http://www.ti.com/product/AM5718

Initial support is only for basic peripherals.

Signed-off-by: Schuyler Patton <spatton@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 85 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index f53e2ee65e35..6cf680ed8290 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -175,6 +175,9 @@ Boards:
 - AM5728 IDK
   compatible = "ti,am5728-idk", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"
 
+- AM5718 IDK
+  compatible = "ti,am5718-idk", "ti,am5718", "ti,dra7"
+
 - DRA742 EVM:  Software Development Board for DRA742
   compatible = "ti,dra7-evm", "ti,dra742", "ti,dra74", "ti,dra7"
 
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 28df93f92701..02a0b1d01d95 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -589,6 +589,7 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
         am57xx-cl-som-am57x.dtb \
         am57xx-sbc-am57x.dtb \
         am572x-idk.dtb \
+        am571x-idk.dtb \
         dra7-evm.dtb \
         dra72-evm.dtb \
         dra72-evm-revc.dtb \
diff --git a/arch/arm/boot/dts/am571x-idk.dts b/arch/arm/boot/dts/am571x-idk.dts
new file mode 100644
index 000000000000..d6e43e5184c1
--- /dev/null
+++ b/arch/arm/boot/dts/am571x-idk.dts
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program 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.
+ */
+/dts-v1/;
+
+#include "dra72x.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "am57xx-idk-common.dtsi"
+
+/ {
+        model = "TI AM5718 IDK";
+        compatible = "ti,am5718-idk", "ti,am5718", "ti,dra7";
+
+        memory@80000000 {
+                device_type = "memory";
+                reg = <0x0 0x80000000 0x0 0x40000000>;
+        };
+
+        leds {
+                compatible = "gpio-leds";
+                cpu0-led {
+                        label = "status0:red:cpu0";
+                        gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                        linux,default-trigger = "cpu0";
+                };
+
+                usr0-led {
+                        label = "status0:green:usr";
+                        gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                };
+
+                heartbeat-led {
+                        label = "status0:blue:heartbeat";
+                        gpios = <&gpio2 27 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                        linux,default-trigger = "heartbeat";
+                };
+
+                usr1-led {
+                        label = "status1:red:usr";
+                        gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                };
+
+                usr2-led {
+                        label = "status1:green:usr";
+                        gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                };
+
+                mmc0-led {
+                        label = "status1:blue:mmc0";
+                        gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+                        default-state = "off";
+                        linux,default-trigger = "mmc0";
+                };
+        };
+
+        extcon_usb2: extcon_usb2 {
+             compatible = "linux,extcon-usb-gpio";
+             id-gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
+        };
+};
+
+&mmc1 {
+        status = "okay";
+        vmmc-supply = <&ldo1_reg>;
+        bus-width = <4>;
+        cd-gpios = <&gpio6 27 0>; /* gpio 219 */
+};
+
+&omap_dwc3_2 {
+        extcon = <&extcon_usb2>;
+};