OMAP: hwmod: allow hwmod to provide address space accessible from SDMA

Adds support for resource API to get address space info other than just MPU.
The drivers can now use platform_get_resource_byname() to get resource of
type 'IORESOURCE_MEM' by name.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/omap_hwmod.c

@@ -1883,6 +1883,7 @@ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res)
 		os = oh->slaves[i];
 
 		for (j = 0; j < os->addr_cnt; j++) {
+			(res + r)->name = (os->addr + j)->name;
 			(res + r)->start = (os->addr + j)->pa_start;
 			(res + r)->end = (os->addr + j)->pa_end;
 			(res + r)->flags = IORESOURCE_MEM;

arch/arm/plat-omap/include/plat/omap_hwmod.h

@@ -178,7 +178,8 @@ struct omap_hwmod_omap2_firewall {
 #define ADDR_TYPE_RT		(1 << 1)
 
 /**
- * struct omap_hwmod_addr_space - MPU address space handled by the hwmod
+ * struct omap_hwmod_addr_space - address space handled by the hwmod
+ * @name: name of the address space
  * @pa_start: starting physical address
  * @pa_end: ending physical address
  * @flags: (see omap_hwmod_addr_space.flags macros above)
@@ -187,6 +188,7 @@ struct omap_hwmod_omap2_firewall {
  * structure.  GPMC is one example.
  */
 struct omap_hwmod_addr_space {
+	const char *name;
 	u32 pa_start;
 	u32 pa_end;
 	u8 flags;