cpufreq: ti-cpufreq: Add support for OPP_PLUS

DRA762 SoC introduces OPP_PLUS which runs at 1.8GHz. Add
support for this OPP in ti-cpufreq driver.

Acked-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

drivers/cpufreq/ti-cpufreq.c

@@ -33,11 +33,14 @@
 
 #define DRA7_EFUSE_HAS_OD_MPU_OPP		11
 #define DRA7_EFUSE_HAS_HIGH_MPU_OPP		15
+#define DRA76_EFUSE_HAS_PLUS_MPU_OPP		18
 #define DRA7_EFUSE_HAS_ALL_MPU_OPP		23
+#define DRA76_EFUSE_HAS_ALL_MPU_OPP		24
 
 #define DRA7_EFUSE_NOM_MPU_OPP			BIT(0)
 #define DRA7_EFUSE_OD_MPU_OPP			BIT(1)
 #define DRA7_EFUSE_HIGH_MPU_OPP			BIT(2)
+#define DRA76_EFUSE_PLUS_MPU_OPP		BIT(3)
 
 #define VERSION_COUNT				2
 
@@ -82,6 +85,9 @@ static unsigned long dra7_efuse_xlate(struct ti_cpufreq_data *opp_data,
 	 */
 
 	switch (efuse) {
+	case DRA76_EFUSE_HAS_PLUS_MPU_OPP:
+	case DRA76_EFUSE_HAS_ALL_MPU_OPP:
+		calculated_efuse |= DRA76_EFUSE_PLUS_MPU_OPP;
 	case DRA7_EFUSE_HAS_ALL_MPU_OPP:
 	case DRA7_EFUSE_HAS_HIGH_MPU_OPP:
 		calculated_efuse |= DRA7_EFUSE_HIGH_MPU_OPP;