OMAP3: hwmod: add dev_attr for McBSP sidetone

Since the sidetone block is tightly coupled to the mcbsp, sidetone information
is directly added to mcbsp2 & 3 hwmod dev_attr.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NBenoit Cousson <b-cousson@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/omap_hwmod_3xxx_data.c

@@ -1852,6 +1852,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_mcbsp2_slaves[] = {
 	&omap3xxx_l4_per__mcbsp2,
 };
 
+static struct omap_mcbsp_dev_attr omap34xx_mcbsp2_dev_attr = {
+	.sidetone	= "mcbsp2_sidetone",
+};
+
 static struct omap_hwmod omap3xxx_mcbsp2_hwmod = {
 	.name		= "mcbsp2",
 	.class		= &omap3xxx_mcbsp_hwmod_class,
@@ -1871,6 +1875,7 @@ static struct omap_hwmod omap3xxx_mcbsp2_hwmod = {
 	},
 	.slaves		= omap3xxx_mcbsp2_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_mcbsp2_slaves),
+	.dev_attr	= &omap34xx_mcbsp2_dev_attr,
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
 
@@ -1910,6 +1915,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_mcbsp3_slaves[] = {
 	&omap3xxx_l4_per__mcbsp3,
 };
 
+static struct omap_mcbsp_dev_attr omap34xx_mcbsp3_dev_attr = {
+	.sidetone       = "mcbsp3_sidetone",
+};
+
 static struct omap_hwmod omap3xxx_mcbsp3_hwmod = {
 	.name		= "mcbsp3",
 	.class		= &omap3xxx_mcbsp_hwmod_class,
@@ -1929,6 +1938,7 @@ static struct omap_hwmod omap3xxx_mcbsp3_hwmod = {
 	},
 	.slaves		= omap3xxx_mcbsp3_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_mcbsp3_slaves),
+	.dev_attr	= &omap34xx_mcbsp3_dev_attr,
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
 

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

@@ -475,6 +475,15 @@ struct omap_mcbsp {
 #endif
 	void *reg_cache;
 };
+
+/**
+ * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
+ * @sidetone: name of the sidetone device
+ */
+struct omap_mcbsp_dev_attr {
+	const char *sidetone;
+};
+
 extern struct omap_mcbsp **mcbsp_ptr;
 extern int omap_mcbsp_count, omap_mcbsp_cache_size;