ARM: OMAP4: hwmod data: add des

This fixes the following error during kernel boot:

platform 480a5000.des: Cannot lookup hwmod 'des'

Unfortunately the DES module is only documented partly
in the OMAP4430 TRM. I found an old patch from Joel,
which I took over and updated for currently mainline.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/omap_hwmod_44xx_data.c

@@ -1021,6 +1021,42 @@ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__aes2 = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/*
+ * 'des' class for DES3DES module
+ */
+static struct omap_hwmod_class_sysconfig omap44xx_des_sysc = {
+	.rev_offs	= 0x30,
+	.sysc_offs	= 0x34,
+	.syss_offs	= 0x38,
+	.sysc_flags	= SYSS_HAS_RESET_STATUS,
+};
+
+static struct omap_hwmod_class omap44xx_des_hwmod_class = {
+	.name		= "des",
+	.sysc		= &omap44xx_des_sysc,
+};
+
+static struct omap_hwmod omap44xx_des_hwmod = {
+	.name		= "des",
+	.class		= &omap44xx_des_hwmod_class,
+	.clkdm_name	= "l4_secure_clkdm",
+	.main_clk	= "l3_div_ck",
+	.prcm		= {
+		.omap4	= {
+			.context_offs	= OMAP4_RM_L4SEC_DES3DES_CONTEXT_OFFSET,
+			.clkctrl_offs	= OMAP4_CM_L4SEC_DES3DES_CLKCTRL_OFFSET,
+			.modulemode	= MODULEMODE_SWCTRL,
+		},
+	},
+};
+
+struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = {
+	.master		= &omap44xx_l3_main_2_hwmod,
+	.slave		= &omap44xx_des_hwmod,
+	.clk		= "l3_div_ck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 /*
  * 'fdif' class
  * face detection hw accelerator module
@@ -4864,6 +4900,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
 	&omap44xx_mpu__emif2,
 	&omap44xx_l3_main_2__aes1,
 	&omap44xx_l3_main_2__aes2,
+	&omap44xx_l3_main_2__des,
 	NULL,
 };