2 files changed, 236 insertions, 59 deletions

diff --git a/include/linux/mfd/abx500/ab8500-gpio.h b/include/linux/mfd/abx500/ab8500-gpio.h
index 2387c207ea86..172b2f201ae0 100644
--- a/include/linux/mfd/abx500/ab8500-gpio.h
+++ b/include/linux/mfd/abx500/ab8500-gpio.h
@@ -14,10 +14,20 @@
  * registers.
  */
 
-struct ab8500_gpio_platform_data {
+struct abx500_gpio_platform_data {
         int gpio_base;
-        u32 irq_base;
-        u8  config_reg[8];
+};
+
+enum abx500_gpio_pull_updown {
+        ABX500_GPIO_PULL_DOWN = 0x0,
+        ABX500_GPIO_PULL_NONE = 0x1,
+        ABX500_GPIO_PULL_UP = 0x3,
+};
+
+enum abx500_gpio_vinsel {
+        ABX500_GPIO_VINSEL_VBAT = 0x0,
+        ABX500_GPIO_VINSEL_VIN_1V8 = 0x1,
+        ABX500_GPIO_VINSEL_VDD_BIF = 0x2,
 };
 
 #endif /* _AB8500_GPIO_H */
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index 1cb5698b4d76..fc0534483c72 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -24,7 +24,7 @@ enum ab8500_version {
         AB8500_VERSION_AB8500 = 0x0,
         AB8500_VERSION_AB8505 = 0x1,
         AB8500_VERSION_AB9540 = 0x2,
-        AB8500_VERSION_AB8540 = 0x3,
+        AB8500_VERSION_AB8540 = 0x4,
         AB8500_VERSION_UNDEFINED,
 };
 
@@ -32,6 +32,7 @@ enum ab8500_version {
 #define AB8500_CUTEARLY 0x00
 #define AB8500_CUT1P0   0x10
 #define AB8500_CUT1P1   0x11
+#define AB8500_CUT1P2   0x12 /* Only valid for AB8540 */
 #define AB8500_CUT2P0   0x20
 #define AB8500_CUT3P0   0x30
 #define AB8500_CUT3P3   0x33
@@ -39,6 +40,7 @@ enum ab8500_version {
 /*
  * AB8500 bank addresses
  */
+#define AB8500_M_FSM_RANK       0x0
 #define AB8500_SYS_CTRL1_BLOCK  0x1
 #define AB8500_SYS_CTRL2_BLOCK  0x2
 #define AB8500_REGU_CTRL1       0x3
@@ -58,6 +60,7 @@ enum ab8500_version {
 #define AB8500_DEVELOPMENT      0x11
 #define AB8500_DEBUG            0x12
 #define AB8500_PROD_TEST        0x13
+#define AB8500_STE_TEST         0x14
 #define AB8500_OTP_EMUL         0x15
 
 /*
@@ -65,11 +68,11 @@ enum ab8500_version {
  * Values used to index into array ab8500_irq_regoffset[] defined in
  * drivers/mdf/ab8500-core.c
  */
-/* Definitions for AB8500 and AB9540 */
+/* Definitions for AB8500, AB9540 and AB8540 */
 /* ab8500_irq_regoffset[0] -> IT[Source|Latch|Mask]1 */
 #define AB8500_INT_MAIN_EXT_CH_NOT_OK   0 /* not 8505/9540 */
-#define AB8500_INT_UN_PLUG_TV_DET       1 /* not 8505/9540 */
-#define AB8500_INT_PLUG_TV_DET          2 /* not 8505/9540 */
+#define AB8500_INT_UN_PLUG_TV_DET       1 /* not 8505/9540/8540 */
+#define AB8500_INT_PLUG_TV_DET          2 /* not 8505/9540/8540 */
 #define AB8500_INT_TEMP_WARM            3
 #define AB8500_INT_PON_KEY2DB_F         4
 #define AB8500_INT_PON_KEY2DB_R         5
@@ -77,18 +80,19 @@ enum ab8500_version {
 #define AB8500_INT_PON_KEY1DB_R         7
 /* ab8500_irq_regoffset[1] -> IT[Source|Latch|Mask]2 */
 #define AB8500_INT_BATT_OVV             8
-#define AB8500_INT_MAIN_CH_UNPLUG_DET   10 /* not 8505 */
-#define AB8500_INT_MAIN_CH_PLUG_DET     11 /* not 8505 */
+#define AB8500_INT_MAIN_CH_UNPLUG_DET   10 /* not 8505/8540 */
+#define AB8500_INT_MAIN_CH_PLUG_DET     11 /* not 8505/8540 */
 #define AB8500_INT_VBUS_DET_F           14
 #define AB8500_INT_VBUS_DET_R           15
 /* ab8500_irq_regoffset[2] -> IT[Source|Latch|Mask]3 */
 #define AB8500_INT_VBUS_CH_DROP_END     16
 #define AB8500_INT_RTC_60S              17
 #define AB8500_INT_RTC_ALARM            18
+#define AB8540_INT_BIF_INT              19
 #define AB8500_INT_BAT_CTRL_INDB        20
 #define AB8500_INT_CH_WD_EXP            21
 #define AB8500_INT_VBUS_OVV             22
-#define AB8500_INT_MAIN_CH_DROP_END     23 /* not 8505/9540 */
+#define AB8500_INT_MAIN_CH_DROP_END     23 /* not 8505/9540/8540 */
 /* ab8500_irq_regoffset[3] -> IT[Source|Latch|Mask]4 */
 #define AB8500_INT_CCN_CONV_ACC         24
 #define AB8500_INT_INT_AUD              25
@@ -99,7 +103,7 @@ enum ab8500_version {
 #define AB8500_INT_BUP_CHG_NOT_OK       30
 #define AB8500_INT_BUP_CHG_OK           31
 /* ab8500_irq_regoffset[4] -> IT[Source|Latch|Mask]5 */
-#define AB8500_INT_GP_HW_ADC_CONV_END   32 /* not 8505 */
+#define AB8500_INT_GP_HW_ADC_CONV_END   32 /* not 8505/8540 */
 #define AB8500_INT_ACC_DETECT_1DB_F     33
 #define AB8500_INT_ACC_DETECT_1DB_R     34
 #define AB8500_INT_ACC_DETECT_22DB_F    35
@@ -108,23 +112,23 @@ enum ab8500_version {
 #define AB8500_INT_ACC_DETECT_21DB_R    38
 #define AB8500_INT_GP_SW_ADC_CONV_END   39
 /* ab8500_irq_regoffset[5] -> IT[Source|Latch|Mask]7 */
-#define AB8500_INT_GPIO6R               40 /* not 8505/9540 */
-#define AB8500_INT_GPIO7R               41 /* not 8505/9540 */
-#define AB8500_INT_GPIO8R               42 /* not 8505/9540 */
-#define AB8500_INT_GPIO9R               43 /* not 8505/9540 */
-#define AB8500_INT_GPIO10R              44
-#define AB8500_INT_GPIO11R              45
-#define AB8500_INT_GPIO12R              46 /* not 8505 */
-#define AB8500_INT_GPIO13R              47
+#define AB8500_INT_GPIO6R               40 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO7R               41 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO8R               42 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO9R               43 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO10R              44 /* not 8540 */
+#define AB8500_INT_GPIO11R              45 /* not 8540 */
+#define AB8500_INT_GPIO12R              46 /* not 8505/8540 */
+#define AB8500_INT_GPIO13R              47 /* not 8540 */
 /* ab8500_irq_regoffset[6] -> IT[Source|Latch|Mask]8 */
-#define AB8500_INT_GPIO24R              48 /* not 8505 */
-#define AB8500_INT_GPIO25R              49 /* not 8505 */
-#define AB8500_INT_GPIO36R              50 /* not 8505/9540 */
-#define AB8500_INT_GPIO37R              51 /* not 8505/9540 */
-#define AB8500_INT_GPIO38R              52 /* not 8505/9540 */
-#define AB8500_INT_GPIO39R              53 /* not 8505/9540 */
-#define AB8500_INT_GPIO40R              54
-#define AB8500_INT_GPIO41R              55
+#define AB8500_INT_GPIO24R              48 /* not 8505/8540 */
+#define AB8500_INT_GPIO25R              49 /* not 8505/8540 */
+#define AB8500_INT_GPIO36R              50 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO37R              51 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO38R              52 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO39R              53 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO40R              54 /* not 8540 */
+#define AB8500_INT_GPIO41R              55 /* not 8540 */
 /* ab8500_irq_regoffset[7] -> IT[Source|Latch|Mask]9 */
 #define AB8500_INT_GPIO6F               56 /* not 8505/9540 */
 #define AB8500_INT_GPIO7F               57 /* not 8505/9540 */
@@ -135,14 +139,14 @@ enum ab8500_version {
 #define AB8500_INT_GPIO12F              62 /* not 8505 */
 #define AB8500_INT_GPIO13F              63
 /* ab8500_irq_regoffset[8] -> IT[Source|Latch|Mask]10 */
-#define AB8500_INT_GPIO24F              64 /* not 8505 */
-#define AB8500_INT_GPIO25F              65 /* not 8505 */
-#define AB8500_INT_GPIO36F              66 /* not 8505/9540 */
-#define AB8500_INT_GPIO37F              67 /* not 8505/9540 */
-#define AB8500_INT_GPIO38F              68 /* not 8505/9540 */
-#define AB8500_INT_GPIO39F              69 /* not 8505/9540 */
-#define AB8500_INT_GPIO40F              70
-#define AB8500_INT_GPIO41F              71
+#define AB8500_INT_GPIO24F              64 /* not 8505/8540 */
+#define AB8500_INT_GPIO25F              65 /* not 8505/8540 */
+#define AB8500_INT_GPIO36F              66 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO37F              67 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO38F              68 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO39F              69 /* not 8505/9540/8540 */
+#define AB8500_INT_GPIO40F              70 /* not 8540 */
+#define AB8500_INT_GPIO41F              71 /* not 8540 */
 /* ab8500_irq_regoffset[9] -> IT[Source|Latch|Mask]12 */
 #define AB8500_INT_ADP_SOURCE_ERROR     72
 #define AB8500_INT_ADP_SINK_ERROR       73
@@ -160,42 +164,44 @@ enum ab8500_version {
 #define AB8500_INT_SRP_DETECT           88
 #define AB8500_INT_USB_CHARGER_NOT_OKR  89
 #define AB8500_INT_ID_WAKEUP_R          90
+#define AB8500_INT_ID_DET_PLUGR         91 /* 8505/9540 cut2.0 */
 #define AB8500_INT_ID_DET_R1R           92
 #define AB8500_INT_ID_DET_R2R           93
 #define AB8500_INT_ID_DET_R3R           94
 #define AB8500_INT_ID_DET_R4R           95
 /* ab8500_irq_regoffset[12] -> IT[Source|Latch|Mask]21 */
-#define AB8500_INT_ID_WAKEUP_F          96
-#define AB8500_INT_ID_DET_R1F           98
-#define AB8500_INT_ID_DET_R2F           99
-#define AB8500_INT_ID_DET_R3F           100
-#define AB8500_INT_ID_DET_R4F           101
-#define AB8500_INT_CHAUTORESTARTAFTSEC  102
+#define AB8500_INT_ID_WAKEUP_F          96 /* not 8505/9540 */
+#define AB8500_INT_ID_DET_PLUGF         97 /* 8505/9540 cut2.0 */
+#define AB8500_INT_ID_DET_R1F           98 /* not 8505/9540 */
+#define AB8500_INT_ID_DET_R2F           99 /* not 8505/9540 */
+#define AB8500_INT_ID_DET_R3F           100 /* not 8505/9540 */
+#define AB8500_INT_ID_DET_R4F           101 /* not 8505/9540 */
+#define AB8500_INT_CHAUTORESTARTAFTSEC  102 /* not 8505/9540 */
 #define AB8500_INT_CHSTOPBYSEC          103
 /* ab8500_irq_regoffset[13] -> IT[Source|Latch|Mask]22 */
 #define AB8500_INT_USB_CH_TH_PROT_F     104
-#define AB8500_INT_USB_CH_TH_PROT_R    105
+#define AB8500_INT_USB_CH_TH_PROT_R     105
 #define AB8500_INT_MAIN_CH_TH_PROT_F    106 /* not 8505/9540 */
 #define AB8500_INT_MAIN_CH_TH_PROT_R    107 /* not 8505/9540 */
 #define AB8500_INT_CHCURLIMNOHSCHIRP    109
 #define AB8500_INT_CHCURLIMHSCHIRP      110
 #define AB8500_INT_XTAL32K_KO           111
 
-/* Definitions for AB9540 */
+/* Definitions for AB9540 / AB8505 */
 /* ab8500_irq_regoffset[14] -> IT[Source|Latch|Mask]13 */
-#define AB9540_INT_GPIO50R              113
-#define AB9540_INT_GPIO51R              114 /* not 8505 */
-#define AB9540_INT_GPIO52R              115
-#define AB9540_INT_GPIO53R              116
-#define AB9540_INT_GPIO54R              117 /* not 8505 */
+#define AB9540_INT_GPIO50R              113 /* not 8540 */
+#define AB9540_INT_GPIO51R              114 /* not 8505/8540 */
+#define AB9540_INT_GPIO52R              115 /* not 8540 */
+#define AB9540_INT_GPIO53R              116 /* not 8540 */
+#define AB9540_INT_GPIO54R              117 /* not 8505/8540 */
 #define AB9540_INT_IEXT_CH_RF_BFN_R     118
-#define AB9540_INT_IEXT_CH_RF_BFN_F     119
 /* ab8500_irq_regoffset[15] -> IT[Source|Latch|Mask]14 */
-#define AB9540_INT_GPIO50F              121
-#define AB9540_INT_GPIO51F              122 /* not 8505 */
-#define AB9540_INT_GPIO52F              123
-#define AB9540_INT_GPIO53F              124
-#define AB9540_INT_GPIO54F              125 /* not 8505 */
+#define AB9540_INT_GPIO50F              121 /* not 8540 */
+#define AB9540_INT_GPIO51F              122 /* not 8505/8540 */
+#define AB9540_INT_GPIO52F              123 /* not 8540 */
+#define AB9540_INT_GPIO53F              124 /* not 8540 */
+#define AB9540_INT_GPIO54F              125 /* not 8505/8540 */
+#define AB9540_INT_IEXT_CH_RF_BFN_F     126
 /* ab8500_irq_regoffset[16] -> IT[Source|Latch|Mask]25 */
 #define AB8505_INT_KEYSTUCK             128
 #define AB8505_INT_IKR                  129
@@ -204,6 +210,87 @@ enum ab8500_version {
 #define AB8505_INT_KEYDEGLITCH          132
 #define AB8505_INT_MODPWRSTATUSF        134
 #define AB8505_INT_MODPWRSTATUSR        135
+/* ab8500_irq_regoffset[17] -> IT[Source|Latch|Mask]6 */
+#define AB8500_INT_HOOK_DET_NEG_F       138
+#define AB8500_INT_HOOK_DET_NEG_R       139
+#define AB8500_INT_HOOK_DET_POS_F       140
+#define AB8500_INT_HOOK_DET_POS_R       141
+#define AB8500_INT_PLUG_DET_COMP_F      142
+#define AB8500_INT_PLUG_DET_COMP_R      143
+/* ab8500_irq_regoffset[18] -> IT[Source|Latch|Mask]23 */
+#define AB8505_INT_COLL                 144
+#define AB8505_INT_RESERR               145
+#define AB8505_INT_FRAERR               146
+#define AB8505_INT_COMERR               147
+#define AB8505_INT_SPDSET               148
+#define AB8505_INT_DSENT                149
+#define AB8505_INT_DREC                 150
+#define AB8505_INT_ACC_INT              151
+/* ab8500_irq_regoffset[19] -> IT[Source|Latch|Mask]24 */
+#define AB8505_INT_NOPINT               152
+/* ab8540_irq_regoffset[20] -> IT[Source|Latch|Mask]26 */
+#define AB8540_INT_IDPLUGDETCOMPF       160
+#define AB8540_INT_IDPLUGDETCOMPR       161
+#define AB8540_INT_FMDETCOMPLOF         162
+#define AB8540_INT_FMDETCOMPLOR         163
+#define AB8540_INT_FMDETCOMPHIF         164
+#define AB8540_INT_FMDETCOMPHIR         165
+#define AB8540_INT_ID5VDETCOMPF         166
+#define AB8540_INT_ID5VDETCOMPR         167
+/* ab8540_irq_regoffset[21] -> IT[Source|Latch|Mask]27 */
+#define AB8540_INT_GPIO43F              168
+#define AB8540_INT_GPIO43R              169
+#define AB8540_INT_GPIO44F              170
+#define AB8540_INT_GPIO44R              171
+#define AB8540_INT_KEYPOSDETCOMPF       172
+#define AB8540_INT_KEYPOSDETCOMPR       173
+#define AB8540_INT_KEYNEGDETCOMPF       174
+#define AB8540_INT_KEYNEGDETCOMPR       175
+/* ab8540_irq_regoffset[22] -> IT[Source|Latch|Mask]28 */
+#define AB8540_INT_GPIO1VBATF           176
+#define AB8540_INT_GPIO1VBATR           177
+#define AB8540_INT_GPIO2VBATF           178
+#define AB8540_INT_GPIO2VBATR           179
+#define AB8540_INT_GPIO3VBATF           180
+#define AB8540_INT_GPIO3VBATR           181
+#define AB8540_INT_GPIO4VBATF           182
+#define AB8540_INT_GPIO4VBATR           183
+/* ab8540_irq_regoffset[23] -> IT[Source|Latch|Mask]29 */
+#define AB8540_INT_SYSCLKREQ2F          184
+#define AB8540_INT_SYSCLKREQ2R          185
+#define AB8540_INT_SYSCLKREQ3F          186
+#define AB8540_INT_SYSCLKREQ3R          187
+#define AB8540_INT_SYSCLKREQ4F          188
+#define AB8540_INT_SYSCLKREQ4R          189
+#define AB8540_INT_SYSCLKREQ5F          190
+#define AB8540_INT_SYSCLKREQ5R          191
+/* ab8540_irq_regoffset[24] -> IT[Source|Latch|Mask]30 */
+#define AB8540_INT_PWMOUT1F             192
+#define AB8540_INT_PWMOUT1R             193
+#define AB8540_INT_PWMCTRL0F            194
+#define AB8540_INT_PWMCTRL0R            195
+#define AB8540_INT_PWMCTRL1F            196
+#define AB8540_INT_PWMCTRL1R            197
+#define AB8540_INT_SYSCLKREQ6F          198
+#define AB8540_INT_SYSCLKREQ6R          199
+/* ab8540_irq_regoffset[25] -> IT[Source|Latch|Mask]31 */
+#define AB8540_INT_PWMEXTVIBRA1F        200
+#define AB8540_INT_PWMEXTVIBRA1R        201
+#define AB8540_INT_PWMEXTVIBRA2F        202
+#define AB8540_INT_PWMEXTVIBRA2R        203
+#define AB8540_INT_PWMOUT2F             204
+#define AB8540_INT_PWMOUT2R             205
+#define AB8540_INT_PWMOUT3F             206
+#define AB8540_INT_PWMOUT3R             207
+/* ab8540_irq_regoffset[26] -> IT[Source|Latch|Mask]32 */
+#define AB8540_INT_ADDATA2F             208
+#define AB8540_INT_ADDATA2R             209
+#define AB8540_INT_DADATA2F             210
+#define AB8540_INT_DADATA2R             211
+#define AB8540_INT_FSYNC2F              212
+#define AB8540_INT_FSYNC2R              213
+#define AB8540_INT_BITCLK2F             214
+#define AB8540_INT_BITCLK2R             215
 
 /*
  * AB8500_AB9540_NR_IRQS is used when configuring the IRQ numbers for the
@@ -213,13 +300,24 @@ enum ab8500_version {
  * which is larger.
  */
 #define AB8500_NR_IRQS                  112
-#define AB8505_NR_IRQS                  136
-#define AB9540_NR_IRQS                  136
+#define AB8505_NR_IRQS                  153
+#define AB9540_NR_IRQS                  153
+#define AB8540_NR_IRQS                  216
 /* This is set to the roof of any AB8500 chip variant IRQ counts */
-#define AB8500_MAX_NR_IRQS              AB9540_NR_IRQS
+#define AB8500_MAX_NR_IRQS              AB8540_NR_IRQS
 
 #define AB8500_NUM_IRQ_REGS             14
-#define AB9540_NUM_IRQ_REGS             17
+#define AB9540_NUM_IRQ_REGS             20
+#define AB8540_NUM_IRQ_REGS             27
+
+/* Turn On Status Event */
+#define AB8500_POR_ON_VBAT              0x01
+#define AB8500_POW_KEY_1_ON             0x02
+#define AB8500_POW_KEY_2_ON             0x04
+#define AB8500_RTC_ALARM                0x08
+#define AB8500_MAIN_CH_DET              0x10
+#define AB8500_VBUS_DET                 0x20
+#define AB8500_USB_ID_DET               0x40
 
 /**
  * struct ab8500 - ab8500 internal structure
@@ -287,7 +385,7 @@ struct ab8500_platform_data {
         struct ab8500_regulator_reg_init *regulator_reg_init;
         int num_regulator;
         struct regulator_init_data *regulator;
-        struct ab8500_gpio_platform_data *gpio;
+        struct abx500_gpio_platform_data *gpio;
         struct ab8500_codec_platform_data *codec;
 };
 
@@ -335,10 +433,79 @@ static inline int is_ab8500_2p0_or_earlier(struct ab8500 *ab)
         return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT2P0));
 }
 
+static inline int is_ab8500_3p3_or_earlier(struct ab8500 *ab)
+{
+        return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT3P3));
+}
+
 /* exclude also ab8505, ab9540... */
 static inline int is_ab8500_2p0(struct ab8500 *ab)
 {
         return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0));
 }
 
+static inline int is_ab8505_1p0_or_earlier(struct ab8500 *ab)
+{
+        return (is_ab8505(ab) && (ab->chip_id <= AB8500_CUT1P0));
+}
+
+static inline int is_ab8505_2p0(struct ab8500 *ab)
+{
+        return (is_ab8505(ab) && (ab->chip_id == AB8500_CUT2P0));
+}
+
+static inline int is_ab9540_1p0_or_earlier(struct ab8500 *ab)
+{
+        return (is_ab9540(ab) && (ab->chip_id <= AB8500_CUT1P0));
+}
+
+static inline int is_ab9540_2p0(struct ab8500 *ab)
+{
+        return (is_ab9540(ab) && (ab->chip_id == AB8500_CUT2P0));
+}
+
+/*
+ * Be careful, the marketing name for this chip is 2.1
+ * but the value read from the chip is 3.0 (0x30)
+ */
+static inline int is_ab9540_3p0(struct ab8500 *ab)
+{
+        return (is_ab9540(ab) && (ab->chip_id == AB8500_CUT3P0));
+}
+
+static inline int is_ab8540_1p0_or_earlier(struct ab8500 *ab)
+{
+        return is_ab8540(ab) && (ab->chip_id <= AB8500_CUT1P0);
+}
+
+static inline int is_ab8540_1p1_or_earlier(struct ab8500 *ab)
+{
+        return is_ab8540(ab) && (ab->chip_id <= AB8500_CUT1P1);
+}
+
+static inline int is_ab8540_1p2_or_earlier(struct ab8500 *ab)
+{
+        return is_ab8540(ab) && (ab->chip_id <= AB8500_CUT1P2);
+}
+
+static inline int is_ab8540_2p0_or_earlier(struct ab8500 *ab)
+{
+        return is_ab8540(ab) && (ab->chip_id <= AB8500_CUT2P0);
+}
+
+static inline int is_ab8540_2p0(struct ab8500 *ab)
+{
+        return is_ab8540(ab) && (ab->chip_id == AB8500_CUT2P0);
+}
+
+static inline int is_ab8505_2p0_earlier(struct ab8500 *ab)
+{
+        return (is_ab8505(ab) && (ab->chip_id < AB8500_CUT2P0));
+}
+
+static inline int is_ab9540_2p0_or_earlier(struct ab8500 *ab)
+{
+        return (is_ab9540(ab) && (ab->chip_id < AB8500_CUT2P0));
+}
+
 #endif /* MFD_AB8500_H */