#define AR_PHY_EXT_CCA0         (AR_AGC_BASE + 0x20)
 #define AR_PHY_RESTART          (AR_AGC_BASE + 0x24)
 
+/*
+ * Antenna Diversity  settings
+ */
 #define AR_PHY_MC_GAIN_CTRL     (AR_AGC_BASE + 0x28)
 #define AR_ANT_DIV_CTRL_ALL    0x7e000000
 #define AR_ANT_DIV_CTRL_ALL_S  25
 #define AR_ANT_DIV_ENABLE      0x1000000
 #define AR_ANT_DIV_ENABLE_S    24
 
+
+#define AR_PHY_9485_ANT_FAST_DIV_BIAS                  0x00007e00
+#define AR_PHY_9485_ANT_FAST_DIV_BIAS_S                  9
+#define AR_PHY_9485_ANT_DIV_LNADIV                     0x01000000
+#define AR_PHY_9485_ANT_DIV_LNADIV_S                   24
+#define AR_PHY_9485_ANT_DIV_ALT_LNACONF                        0x06000000
+#define AR_PHY_9485_ANT_DIV_ALT_LNACONF_S              25
+#define AR_PHY_9485_ANT_DIV_MAIN_LNACONF               0x18000000
+#define AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S             27
+#define AR_PHY_9485_ANT_DIV_ALT_GAINTB                 0x20000000
+#define AR_PHY_9485_ANT_DIV_ALT_GAINTB_S               29
+#define AR_PHY_9485_ANT_DIV_MAIN_GAINTB                        0x40000000
+#define AR_PHY_9485_ANT_DIV_MAIN_GAINTB_S              30
+
+#define AR_PHY_9485_ANT_DIV_LNA1_MINUS_LNA2            0x0
+#define AR_PHY_9485_ANT_DIV_LNA2                       0x1
+#define AR_PHY_9485_ANT_DIV_LNA1                       0x2
+#define AR_PHY_9485_ANT_DIV_LNA1_PLUS_LNA2             0x3
+
 #define AR_PHY_EXTCHN_PWRTHR1   (AR_AGC_BASE + 0x2c)
 #define AR_PHY_EXT_CHN_WIN      (AR_AGC_BASE + 0x30)
 #define AR_PHY_20_40_DET_THR    (AR_AGC_BASE + 0x34)