diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 49d993c..37fe64c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -948,6 +948,8 @@ source "arch/arm/mach-iop13xx/Kconfig"
 
 source "arch/arm/mach-ixp4xx/Kconfig"
 
+source "arch/arm/mach-keystone/Kconfig"
+
 source "arch/arm/mach-kirkwood/Kconfig"
 
 source "arch/arm/mach-ks8695/Kconfig"
@@ -1564,6 +1566,7 @@ config ARCH_NR_GPIO
 	default 352 if ARCH_VT8500
 	default 288 if ARCH_SUNXI
 	default 264 if MACH_H4700
+	default 512 if ARCH_KEYSTONE
 	default 0
 	help
 	  Maximum number of GPIOs in the system.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1d41908..62e7f95 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -251,6 +251,20 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on i.MX6Q/DL.
 
+	config DEBUG_KEYSTONE_UART0
+		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
+		depends on ARCH_KEYSTONE
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART0 serial port on KEYSTONE2 devices.
+
+	config DEBUG_KEYSTONE_UART1
+		bool "Kernel low-level debugging on KEYSTONE2 using UART1"
+		depends on ARCH_KEYSTONE
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART1 serial port on KEYSTONE2 devices.
+
 	config DEBUG_MMP_UART2
 		bool "Kernel low-level debugging message via MMP UART2"
 		depends on ARCH_MMP
@@ -632,6 +646,8 @@ config DEBUG_LL_INCLUDE
 				 DEBUG_IMX51_UART || \
 				 DEBUG_IMX53_UART ||\
 				 DEBUG_IMX6Q_UART
+	default "debug/keystone.S" if DEBUG_KEYSTONE_UART0 || \
+				      DEBUG_KEYSTONE_UART1
 	default "debug/mvebu.S" if DEBUG_MVEBU_UART
 	default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART
 	default "debug/nomadik.S" if DEBUG_NOMADIK_UART
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 1ba358b..a1c9a78 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -194,6 +194,7 @@ machine-$(CONFIG_PLAT_SPEAR)		+= spear
 machine-$(CONFIG_ARCH_VIRT)		+= virt
 machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
 machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
+machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
 
 # Platform directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
new file mode 100644
index 0000000..62e968c
--- /dev/null
+++ b/arch/arm/configs/keystone_defconfig
@@ -0,0 +1,157 @@
+# CONFIG_SWAP is not set
+CONFIG_POSIX_MQUEUE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_ELF_CORE is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_EMBEDDED=y
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_ARCH_KEYSTONE=y
+CONFIG_ARM_LPAE=y
+CONFIG_SMP=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+CONFIG_HIGHMEM=y
+CONFIG_VFP=y
+CONFIG_NEON=y
+# CONFIG_SUSPEND is not set
+CONFIG_PM_RUNTIME=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_UNIX_DIAG=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_SUB_POLICY=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_NET_KEY_MIGRATE=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_INET_AH=y
+CONFIG_INET_IPCOMP=y
+CONFIG_IPV6=y
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IPV6_MROUTE=y
+CONFIG_IPV6_PIMSM_V2=y
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_CPU=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NF_CONNTRACK_IPV4=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_AH=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_TARGET_ULOG=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_TARGET_CLUSTERIP=y
+CONFIG_IP_NF_TARGET_ECN=y
+CONFIG_IP_NF_TARGET_TTL=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP_SCTP=y
+CONFIG_VLAN_8021Q=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_CMA=y
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_PLATRAM=y
+CONFIG_MTD_M25P80=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_UBI=y
+CONFIG_PROC_DEVICETREE=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_EEPROM_AT24=y
+CONFIG_NETDEVICES=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_I2C=y
+# CONFIG_I2C_COMPAT is not set
+CONFIG_I2C_CHARDEV=y
+CONFIG_SPI=y
+CONFIG_SPI_SPIDEV=y
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_USB_SUPPORT is not set
+CONFIG_DMADEVICES=y
+CONFIG_COMMON_CLK_DEBUG=y
+CONFIG_MEMORY=y
+CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_WBUF_VERIFY=y
+CONFIG_UBIFS_FS=y
+CONFIG_CRAMFS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+CONFIG_NFSD_V3_ACL=y
+CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_USER=y
+CONFIG_CRYPTO_USER=y
+CONFIG_CRYPTO_NULL=y
+CONFIG_CRYPTO_AUTHENC=y
+CONFIG_CRYPTO_CBC=y
+CONFIG_CRYPTO_CTR=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_DES=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_CRYPTO_USER_API_SKCIPHER=y
diff --git a/arch/arm/include/debug/keystone.S b/arch/arm/include/debug/keystone.S
new file mode 100644
index 0000000..9c75a4c
--- /dev/null
+++ b/arch/arm/include/debug/keystone.S
@@ -0,0 +1,43 @@
+/*
+ * Early serial debug output macro for Keystone SOCs
+ *
+ * Copyright 2013 Texas Instruments, Inc.
+ *	Santosh Shilimkar ,santosh.shilimkar@ti.com>
+ *
+ * Based on RMKs low level debug code.
+ *  Copyright (C) 1994-1999 Russell King
+ *
+ * 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.
+ */
+
+#include <linux/serial_reg.h>
+
+#define UART_SHIFT 2
+#if defined(CONFIG_DEBUG_KEYSTONE_UART0)
+#define UART_PHYS		0x02530c00
+#define UART_VIRT		0xfeb30c00
+#elif defined(CONFIG_DEBUG_KEYSTONE_UART1)
+#define UART_PHYS		0x02531000
+#define UART_VIRT		0xfeb31000
+#endif
+
+	.macro	addruart, rp, rv, tmp
+	ldr	\rv, =UART_VIRT			@ physical base address
+	ldr	\rp, =UART_PHYS			@ virtual base address
+	.endm
+
+	.macro	senduart,rd,rx
+	str	\rd, [\rx, #UART_TX << UART_SHIFT]
+	.endm
+
+	.macro	busyuart,rd,rx
+1002:	ldr	\rd, [\rx, #UART_LSR << UART_SHIFT]
+	and	\rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+	teq	\rd, #UART_LSR_TEMT | UART_LSR_THRE
+	bne	1002b
+	.endm
+
+	.macro	waituart,rd,rx
+	.endm
diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig
new file mode 100644
index 0000000..39fab74
--- /dev/null
+++ b/arch/arm/mach-keystone/Kconfig
@@ -0,0 +1,16 @@
+config ARCH_KEYSTONE
+	bool "Texas Instruments Keystone Devices"
+	select CPU_V7
+	select ARM_GIC
+	select HAVE_ARM_ARCH_TIMER
+	select USE_OF
+	select MULTI_IRQ_HANDLER
+	select CLKSRC_MMIO
+	select GENERIC_CLOCKEVENTS
+	select SPARSE_IRQ
+	select HAVE_SCHED_CLOCK
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select ARM_ERRATA_798181
+	help
+	  Support for boards based on the Texas Instruments Keystone family of
+	  SoCs.
diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile
new file mode 100644
index 0000000..d4671d5
--- /dev/null
+++ b/arch/arm/mach-keystone/Makefile
@@ -0,0 +1 @@
+obj-y					:= keystone.o
diff --git a/arch/arm/mach-keystone/Makefile.boot b/arch/arm/mach-keystone/Makefile.boot
new file mode 100644
index 0000000..f3835c4
--- /dev/null
+++ b/arch/arm/mach-keystone/Makefile.boot
@@ -0,0 +1 @@
+zreladdr-y	:= 0x80008000
diff --git a/arch/arm/mach-keystone/include/mach/timex.h b/arch/arm/mach-keystone/include/mach/timex.h
new file mode 100644
index 0000000..e4c595a
--- /dev/null
+++ b/arch/arm/mach-keystone/include/mach/timex.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2013 Texas Instruments, Inc.
+ *	Cyril Chemparathy <cyril@ti.com>
+ *	Santosh Shilimkar <santosh.shillimkar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+#ifndef __MACH_TIMEX_H
+#define __MACH_TIMEX_H
+
+#define CLOCK_TICK_RATE		1000000
+
+#endif
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
new file mode 100644
index 0000000..6c6fc42
--- /dev/null
+++ b/arch/arm/mach-keystone/keystone.c
@@ -0,0 +1,74 @@
+/*
+ * Keystone2 based boards and SOC related code.
+ *
+ * Copyright 2013 Texas Instruments, Inc.
+ *	Cyril Chemparathy <cyril@ti.com>
+ *	Santosh Shilimkar <santosh.shillimkar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+
+#include <asm/setup.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#define PLL_RESET_WRITE_KEY_MASK		0xffff0000
+#define PLL_RESET_WRITE_KEY			0x5a69
+#define PLL_RESET				BIT(16)
+
+static void __iomem *keystone_rstctrl;
+
+static void __init keystone_init(void)
+{
+	struct device_node *node;
+
+	node = of_find_compatible_node(NULL, NULL, "ti,keystone-reset");
+	if (WARN_ON(!node)) {
+		pr_warn("ti, keystone-reset node undefined\n");
+		return;
+	}
+
+	keystone_rstctrl = of_iomap(node, 0);
+	if (WARN_ON(!keystone_rstctrl)) {
+		pr_warn("ti, keystone-reset iomap error\n");
+		return;
+	}
+
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char *keystone_match[] __initconst = {
+	"ti,keystone-evm",
+	NULL,
+};
+
+void keystone_restart(char mode, const char *cmd)
+{
+	u32 val;
+
+	/* Enable write access to RSTCTRL */
+	val = __raw_readl(keystone_rstctrl);
+	val &= PLL_RESET_WRITE_KEY_MASK;
+	val |= PLL_RESET_WRITE_KEY;
+	__raw_writel(val, keystone_rstctrl);
+
+	/* Reset the SOC */
+	val = __raw_readl(keystone_rstctrl);
+	val &= ~PLL_RESET;
+	__raw_writel(val, keystone_rstctrl);
+}
+
+DT_MACHINE_START(KEYSTONE, "Keystone")
+	.map_io		= debug_ll_io_init,
+	.init_machine	= keystone_init,
+	.dt_compat	= keystone_match,
+	.restart	= keystone_restart,
+MACHINE_END
