diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.c b/arch/arm/mach-omap2/cm2xxx_3xxx.c
index a911e76b4ecf..7f07ab02a5b3 100644
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c
@@ -35,7 +35,7 @@
 #define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP		0x3
 
 static const u8 cm_idlest_offs[] = {
-	CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
+	CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4
 };
 
 u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h
index 088bbad73db5..57b2f3c2fbf3 100644
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h
@@ -71,6 +71,7 @@
 #define OMAP24XX_CM_FCLKEN2				0x0004
 #define OMAP24XX_CM_ICLKEN4				0x001c
 #define OMAP24XX_CM_AUTOIDLE4				0x003c
+#define OMAP24XX_CM_IDLEST4				0x002c
 
 #define OMAP2430_CM_IDLEST3				0x0028
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 5fcd225d207e..e778ff4e1887 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -601,6 +601,7 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
 	&omap2420_l4_core__mcbsp1,
 	&omap2420_l4_core__mcbsp2,
 	&omap2420_l4_core__msdi1,
+	&omap2xxx_l4_core__rng,
 	&omap2420_l4_core__hdq1w,
 	&omap2420_l4_wkup__counter_32k,
 	&omap2420_l3__gpmc,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index a560563daf58..cc4ed9024372 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -961,6 +961,7 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
 	&omap2430_l4_core__mcbsp4,
 	&omap2430_l4_core__mcbsp5,
 	&omap2430_l4_core__hdq1w,
+	&omap2xxx_l4_core__rng,
 	&omap2430_l4_wkup__counter_32k,
 	&omap2430_l3__gpmc,
 	NULL,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
index 5178e40e84f9..c83d6c517be4 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
@@ -129,6 +129,15 @@ struct omap_hwmod_addr_space omap2xxx_mcbsp2_addrs[] = {
 	{ }
 };
 
+static struct omap_hwmod_addr_space omap2_rng_addr_space[] = {
+	{
+		.pa_start	= 0x480a0000,
+		.pa_end		= 0x480a004f,
+		.flags		= ADDR_TYPE_RT
+	},
+	{ }
+};
+
 /*
  * Common interconnect data
  */
@@ -372,3 +381,11 @@ struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_venc = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* l4_core -> rng */
+struct omap_hwmod_ocp_if omap2xxx_l4_core__rng = {
+	.master		= &omap2xxx_l4_core_hwmod,
+	.slave		= &omap2xxx_rng_hwmod,
+	.clk		= "rng_ick",
+	.addr		= omap2_rng_addr_space,
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index 3c009069f2f2..32c778bf8f08 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -792,3 +792,47 @@ struct omap_hwmod omap2xxx_gpmc_hwmod = {
 		},
 	},
 };
+
+/* RNG */
+
+static struct omap_hwmod_class_sysconfig omap2_rng_sysc = {
+	.rev_offs	= 0x3c,
+	.sysc_offs	= 0x40,
+	.syss_offs	= 0x44,
+	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap2_rng_hwmod_class = {
+	.name		= "rng",
+	.sysc		= &omap2_rng_sysc,
+};
+
+static struct omap_hwmod_irq_info omap2_rng_mpu_irqs[] = {
+	{ .irq = 52 },
+	{ .irq = -1 }
+};
+
+struct omap_hwmod omap2xxx_rng_hwmod = {
+	.name		= "rng",
+	.mpu_irqs	= omap2_rng_mpu_irqs,
+	.main_clk	= "l4_ck",
+	.prcm		= {
+		.omap2 = {
+			.module_offs = CORE_MOD,
+			.prcm_reg_id = 4,
+			.module_bit = OMAP24XX_EN_RNG_SHIFT,
+			.idlest_reg_id = 4,
+			.idlest_idle_bit = OMAP24XX_ST_RNG_SHIFT,
+		},
+	},
+	/*
+	 * XXX The first read from the SYSSTATUS register of the RNG
+	 * after the SYSCONFIG SOFTRESET bit is set triggers an
+	 * imprecise external abort.  It's unclear why this happens.
+	 * Until this is analyzed, skip the IP block reset.
+	 */
+	.flags		= HWMOD_INIT_NO_RESET,
+	.class		= &omap2_rng_hwmod_class,
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index 6a033b878359..2bc8f1705d4a 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -2,9 +2,8 @@
  * omap_hwmod_common_data.h - OMAP hwmod common macros and declarations
  *
  * Copyright (C) 2010-2011 Nokia Corporation
+ * Copyright (C) 2010-2012 Texas Instruments, Inc.
  * Paul Walmsley
- *
- * Copyright (C) 2010-2011 Texas Instruments, Inc.
  * Benoît Cousson
  *
  * This program is free software; you can redistribute it and/or modify
@@ -78,6 +77,7 @@ extern struct omap_hwmod omap2xxx_mcspi1_hwmod;
 extern struct omap_hwmod omap2xxx_mcspi2_hwmod;
 extern struct omap_hwmod omap2xxx_counter_32k_hwmod;
 extern struct omap_hwmod omap2xxx_gpmc_hwmod;
+extern struct omap_hwmod omap2xxx_rng_hwmod;
 
 /* Common interface data across OMAP2xxx */
 extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;
@@ -104,6 +104,7 @@ extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss;
 extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_dispc;
 extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_rfbi;
 extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_venc;
+extern struct omap_hwmod_ocp_if omap2xxx_l4_core__rng;
 
 /* Common IP block data */
 extern struct omap_hwmod_dma_info omap2_uart1_sdma_reqs[];