ARM: OMAP: AM43xx hwmod: Add data for am43xx emif hwmod

Without a hwmod for am43xx emif use counting for emif clockdomain does
not happen correctly so it may be shut off by pm code unintentionally.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h

@@ -145,6 +145,7 @@ extern struct omap_hwmod am33xx_uart5_hwmod;
 extern struct omap_hwmod am33xx_uart6_hwmod;
 extern struct omap_hwmod am33xx_wd_timer1_hwmod;
 
+extern struct omap_hwmod_class am33xx_emif_hwmod_class;
 extern struct omap_hwmod_class am33xx_l4_hwmod_class;
 extern struct omap_hwmod_class am33xx_wkup_m3_hwmod_class;
 extern struct omap_hwmod_class am33xx_control_hwmod_class;

arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c

@@ -202,6 +202,19 @@ struct omap_hwmod am33xx_prcm_hwmod = {
 	.clkdm_name	= "l4_wkup_clkdm",
 };
 
+/*
+ * 'emif' class
+ * instance(s): emif
+ */
+static struct omap_hwmod_class_sysconfig am33xx_emif_sysc = {
+	.rev_offs	= 0x0000,
+};
+
+struct omap_hwmod_class am33xx_emif_hwmod_class = {
+	.name		= "emif",
+	.sysc		= &am33xx_emif_sysc,
+};
+
 /*
  * 'aes0' class
  */

arch/arm/mach-omap2/omap_hwmod_33xx_data.c

@@ -34,19 +34,6 @@
  * IP blocks
  */
 
-/*
- * 'emif' class
- * instance(s): emif
- */
-static struct omap_hwmod_class_sysconfig am33xx_emif_sysc = {
-	.rev_offs	= 0x0000,
-};
-
-static struct omap_hwmod_class am33xx_emif_hwmod_class = {
-	.name		= "emif",
-	.sysc		= &am33xx_emif_sysc,
-};
-
 /* emif */
 static struct omap_hwmod am33xx_emif_hwmod = {
 	.name		= "emif",

arch/arm/mach-omap2/omap_hwmod_43xx_data.c

@@ -24,6 +24,20 @@
 
 
 /* IP blocks */
+static struct omap_hwmod am43xx_emif_hwmod = {
+	.name		= "emif",
+	.class		= &am33xx_emif_hwmod_class,
+	.clkdm_name	= "emif_clkdm",
+	.flags		= HWMOD_INIT_NO_IDLE,
+	.main_clk	= "dpll_ddr_m2_ck",
+	.prcm		= {
+		.omap4	= {
+			.clkctrl_offs	= AM43XX_CM_PER_EMIF_CLKCTRL_OFFSET,
+			.modulemode	= MODULEMODE_SWCTRL,
+		},
+	},
+};
+
 static struct omap_hwmod am43xx_l4_hs_hwmod = {
 	.name		= "l4_hs",
 	.class		= &am33xx_l4_hwmod_class,
@@ -583,6 +597,13 @@ static struct omap_hwmod am43xx_vpfe1_hwmod = {
 };
 
 /* Interfaces */
+static struct omap_hwmod_ocp_if am43xx_l3_main__emif = {
+	.master		= &am33xx_l3_main_hwmod,
+	.slave		= &am43xx_emif_hwmod,
+	.clk		= "dpll_core_m4_ck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = {
 	.master		= &am33xx_l3_main_hwmod,
 	.slave		= &am43xx_l4_hs_hwmod,
@@ -918,6 +939,7 @@ static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = {
 	&am33xx_l3_main__l3_instr,
 	&am33xx_l3_main__gfx,
 	&am33xx_l3_s__l3_main,
+	&am43xx_l3_main__emif,
 	&am33xx_pruss__l3_main,
 	&am43xx_wkup_m3__l4_wkup,
 	&am33xx_gfx__l3_main,

arch/arm/mach-omap2/prcm43xx.h

@@ -146,4 +146,6 @@
 #define AM43XX_CM_PER_HDQ1W_CLKCTRL_OFFSET		0x04a0
 #define AM43XX_CM_PER_VPFE0_CLKCTRL_OFFSET		0x0068
 #define AM43XX_CM_PER_VPFE1_CLKCTRL_OFFSET		0x0070
+#define AM43XX_CM_PER_EMIF_CLKCTRL_OFFSET		0x0720
+
 #endif