regulator: ab8500: Add support for the ab9540
authorLee Jones <lee.jones@linaro.org>
Thu, 28 Mar 2013 16:11:11 +0000 (16:11 +0000)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 1 Apr 2013 12:23:37 +0000 (13:23 +0100)
To obtain full AB9540 regulator support, the AB8500 regulator driver
first needs to know its register layout and their initialisation values
for each. That information is provided via a couple of large data
structures which we provide here.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
drivers/regulator/ab8500.c

index 7ccd7fe..4d4d9dc 100644 (file)
@@ -377,6 +377,7 @@ static struct regulator_ops ab8500_regulator_ops = {
        .list_voltage           = regulator_list_voltage_linear,
 };
 
+/* AB8500 regulator information */
 static struct ab8500_regulator_info
                ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
        /*
@@ -586,8 +587,264 @@ static struct ab8500_regulator_info
                .update_val_idle        = 0x0c,
                .update_val_normal      = 0x04,
        },
+};
 
+/* AB9540 regulator information */
+static struct ab8500_regulator_info
+               ab9540_regulator_info[AB9540_NUM_REGULATORS] = {
+       /*
+        * Variable Voltage Regulators
+        *   name, min mV, max mV,
+        *   update bank, reg, mask, enable val
+        *   volt bank, reg, mask, table, table length
+        */
+       [AB9540_LDO_AUX1] = {
+               .desc = {
+                       .name           = "LDO-AUX1",
+                       .ops            = &ab8500_regulator_volt_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_AUX1,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
+               },
+               .min_uV                 = 1100000,
+               .max_uV                 = 3300000,
+               .load_lp_uA             = 5000,
+               .update_bank            = 0x04,
+               .update_reg             = 0x09,
+               .update_mask            = 0x03,
+               .update_val             = 0x01,
+               .update_val_idle        = 0x03,
+               .update_val_normal      = 0x01,
+               .voltage_bank           = 0x04,
+               .voltage_reg            = 0x1f,
+               .voltage_mask           = 0x0f,
+               .voltages               = ldo_vauxn_voltages,
+               .voltages_len           = ARRAY_SIZE(ldo_vauxn_voltages),
+       },
+       [AB9540_LDO_AUX2] = {
+               .desc = {
+                       .name           = "LDO-AUX2",
+                       .ops            = &ab8500_regulator_volt_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_AUX2,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
+               },
+               .min_uV                 = 1100000,
+               .max_uV                 = 3300000,
+               .load_lp_uA             = 5000,
+               .update_bank            = 0x04,
+               .update_reg             = 0x09,
+               .update_mask            = 0x0c,
+               .update_val             = 0x04,
+               .update_val_idle        = 0x0c,
+               .update_val_normal      = 0x04,
+               .voltage_bank           = 0x04,
+               .voltage_reg            = 0x20,
+               .voltage_mask           = 0x0f,
+               .voltages               = ldo_vauxn_voltages,
+               .voltages_len           = ARRAY_SIZE(ldo_vauxn_voltages),
+       },
+       [AB9540_LDO_AUX3] = {
+               .desc = {
+                       .name           = "LDO-AUX3",
+                       .ops            = &ab8500_regulator_volt_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_AUX3,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = ARRAY_SIZE(ldo_vaux3_voltages),
+               },
+               .min_uV                 = 1100000,
+               .max_uV                 = 3300000,
+               .load_lp_uA             = 5000,
+               .update_bank            = 0x04,
+               .update_reg             = 0x0a,
+               .update_mask            = 0x03,
+               .update_val             = 0x01,
+               .update_val_idle        = 0x03,
+               .update_val_normal      = 0x01,
+               .voltage_bank           = 0x04,
+               .voltage_reg            = 0x21,
+               .voltage_mask           = 0x07,
+               .voltages               = ldo_vaux3_voltages,
+               .voltages_len           = ARRAY_SIZE(ldo_vaux3_voltages),
+       },
+       [AB9540_LDO_AUX4] = {
+               .desc = {
+                       .name           = "LDO-AUX4",
+                       .ops            = &ab8500_regulator_volt_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB9540_LDO_AUX4,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
+               },
+               .min_uV                 = 1100000,
+               .max_uV                 = 3300000,
+               .load_lp_uA             = 5000,
+               /* values for Vaux4Regu register */
+               .update_bank            = 0x04,
+               .update_reg             = 0x2e,
+               .update_mask            = 0x03,
+               .update_val             = 0x01,
+               .update_val_idle        = 0x03,
+               .update_val_normal      = 0x01,
+               /* values for Vaux4SEL register */
+               .voltage_bank           = 0x04,
+               .voltage_reg            = 0x2f,
+               .voltage_mask           = 0x0f,
+               .voltages               = ldo_vauxn_voltages,
+               .voltages_len           = ARRAY_SIZE(ldo_vauxn_voltages),
+       },
+       [AB9540_LDO_INTCORE] = {
+               .desc = {
+                       .name           = "LDO-INTCORE",
+                       .ops            = &ab8500_regulator_volt_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_INTCORE,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = ARRAY_SIZE(ldo_vintcore_voltages),
+               },
+               .min_uV                 = 1100000,
+               .max_uV                 = 3300000,
+               .load_lp_uA             = 5000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x80,
+               .update_mask            = 0x44,
+               .update_val             = 0x44,
+               .update_val_idle        = 0x44,
+               .update_val_normal      = 0x04,
+               .voltage_bank           = 0x03,
+               .voltage_reg            = 0x80,
+               .voltage_mask           = 0x38,
+               .voltages               = ldo_vintcore_voltages,
+               .voltages_len           = ARRAY_SIZE(ldo_vintcore_voltages),
+               .voltage_shift          = 3,
+       },
 
+       /*
+        * Fixed Voltage Regulators
+        *   name, fixed mV,
+        *   update bank, reg, mask, enable val
+        */
+       [AB9540_LDO_TVOUT] = {
+               .desc = {
+                       .name           = "LDO-TVOUT",
+                       .ops            = &ab8500_regulator_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_TVOUT,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .delay                  = 10000,
+               .fixed_uV               = 2000000,
+               .load_lp_uA             = 1000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x80,
+               .update_mask            = 0x82,
+               .update_val             = 0x02,
+               .update_val_idle        = 0x82,
+               .update_val_normal      = 0x02,
+       },
+       [AB9540_LDO_USB] = {
+               .desc = {
+                       .name           = "LDO-USB",
+                       .ops            = &ab8500_regulator_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB9540_LDO_USB,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 3300000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x82,
+               .update_mask            = 0x03,
+               .update_val             = 0x01,
+               .update_val_idle        = 0x03,
+               .update_val_normal      = 0x01,
+       },
+       [AB9540_LDO_AUDIO] = {
+               .desc = {
+                       .name           = "LDO-AUDIO",
+                       .ops            = &ab8500_regulator_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_AUDIO,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 2000000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x83,
+               .update_mask            = 0x02,
+               .update_val             = 0x02,
+       },
+       [AB9540_LDO_ANAMIC1] = {
+               .desc = {
+                       .name           = "LDO-ANAMIC1",
+                       .ops            = &ab8500_regulator_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_ANAMIC1,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 2050000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x83,
+               .update_mask            = 0x08,
+               .update_val             = 0x08,
+       },
+       [AB9540_LDO_ANAMIC2] = {
+               .desc = {
+                       .name           = "LDO-ANAMIC2",
+                       .ops            = &ab8500_regulator_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_ANAMIC2,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 2050000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x83,
+               .update_mask            = 0x10,
+               .update_val             = 0x10,
+       },
+       [AB9540_LDO_DMIC] = {
+               .desc = {
+                       .name           = "LDO-DMIC",
+                       .ops            = &ab8500_regulator_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_DMIC,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 1800000,
+               .update_bank            = 0x03,
+               .update_reg             = 0x83,
+               .update_mask            = 0x04,
+               .update_val             = 0x04,
+       },
+
+       /*
+        * Regulators with fixed voltage and normal/idle modes
+        */
+       [AB9540_LDO_ANA] = {
+               .desc = {
+                       .name           = "LDO-ANA",
+                       .ops            = &ab8500_regulator_mode_ops,
+                       .type           = REGULATOR_VOLTAGE,
+                       .id             = AB8500_LDO_ANA,
+                       .owner          = THIS_MODULE,
+                       .n_voltages     = 1,
+               },
+               .fixed_uV               = 1200000,
+               .load_lp_uA             = 1000,
+               .update_bank            = 0x04,
+               .update_reg             = 0x06,
+               .update_mask            = 0x0c,
+               .update_val             = 0x08,
+               .update_val_idle        = 0x0c,
+               .update_val_normal      = 0x08,
+       },
 };
 
 struct ab8500_reg_init {
@@ -603,6 +860,7 @@ struct ab8500_reg_init {
                .mask = _mask,                  \
        }
 
+/* AB8500 register init */
 static struct ab8500_reg_init ab8500_reg_init[] = {
        /*
         * 0x30, VanaRequestCtrl
@@ -773,6 +1031,281 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
        REG_INIT(AB8500_REGUCTRLDISCH2,         0x04, 0x44, 0x16),
 };
 
+/* AB9540 register init */
+static struct ab8500_reg_init ab9540_reg_init[] = {
+       /*
+        * 0x03, VarmRequestCtrl
+        * 0x0c, VapeRequestCtrl
+        * 0x30, Vsmps1RequestCtrl
+        * 0xc0, Vsmps2RequestCtrl
+        */
+       REG_INIT(AB9540_REGUREQUESTCTRL1,       0x03, 0x03, 0xff),
+       /*
+        * 0x03, Vsmps3RequestCtrl
+        * 0x0c, VpllRequestCtrl
+        * 0x30, VanaRequestCtrl
+        * 0xc0, VextSupply1RequestCtrl
+        */
+       REG_INIT(AB9540_REGUREQUESTCTRL2,       0x03, 0x04, 0xff),
+       /*
+        * 0x03, VextSupply2RequestCtrl
+        * 0x0c, VextSupply3RequestCtrl
+        * 0x30, Vaux1RequestCtrl
+        * 0xc0, Vaux2RequestCtrl
+        */
+       REG_INIT(AB9540_REGUREQUESTCTRL3,       0x03, 0x05, 0xff),
+       /*
+        * 0x03, Vaux3RequestCtrl
+        * 0x04, SwHPReq
+        */
+       REG_INIT(AB9540_REGUREQUESTCTRL4,       0x03, 0x06, 0x07),
+       /*
+        * 0x01, Vsmps1SysClkReq1HPValid
+        * 0x02, Vsmps2SysClkReq1HPValid
+        * 0x04, Vsmps3SysClkReq1HPValid
+        * 0x08, VanaSysClkReq1HPValid
+        * 0x10, VpllSysClkReq1HPValid
+        * 0x20, Vaux1SysClkReq1HPValid
+        * 0x40, Vaux2SysClkReq1HPValid
+        * 0x80, Vaux3SysClkReq1HPValid
+        */
+       REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff),
+       /*
+        * 0x01, VapeSysClkReq1HPValid
+        * 0x02, VarmSysClkReq1HPValid
+        * 0x04, VbbSysClkReq1HPValid
+        * 0x08, VmodSysClkReq1HPValid
+        * 0x10, VextSupply1SysClkReq1HPValid
+        * 0x20, VextSupply2SysClkReq1HPValid
+        * 0x40, VextSupply3SysClkReq1HPValid
+        */
+       REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x7f),
+       /*
+        * 0x01, Vsmps1HwHPReq1Valid
+        * 0x02, Vsmps2HwHPReq1Valid
+        * 0x04, Vsmps3HwHPReq1Valid
+        * 0x08, VanaHwHPReq1Valid
+        * 0x10, VpllHwHPReq1Valid
+        * 0x20, Vaux1HwHPReq1Valid
+        * 0x40, Vaux2HwHPReq1Valid
+        * 0x80, Vaux3HwHPReq1Valid
+        */
+       REG_INIT(AB9540_REGUHWHPREQ1VALID1,     0x03, 0x09, 0xff),
+       /*
+        * 0x01, VextSupply1HwHPReq1Valid
+        * 0x02, VextSupply2HwHPReq1Valid
+        * 0x04, VextSupply3HwHPReq1Valid
+        * 0x08, VmodHwHPReq1Valid
+        */
+       REG_INIT(AB9540_REGUHWHPREQ1VALID2,     0x03, 0x0a, 0x0f),
+       /*
+        * 0x01, Vsmps1HwHPReq2Valid
+        * 0x02, Vsmps2HwHPReq2Valid
+        * 0x03, Vsmps3HwHPReq2Valid
+        * 0x08, VanaHwHPReq2Valid
+        * 0x10, VpllHwHPReq2Valid
+        * 0x20, Vaux1HwHPReq2Valid
+        * 0x40, Vaux2HwHPReq2Valid
+        * 0x80, Vaux3HwHPReq2Valid
+        */
+       REG_INIT(AB9540_REGUHWHPREQ2VALID1,     0x03, 0x0b, 0xff),
+       /*
+        * 0x01, VextSupply1HwHPReq2Valid
+        * 0x02, VextSupply2HwHPReq2Valid
+        * 0x04, VextSupply3HwHPReq2Valid
+        * 0x08, VmodHwHPReq2Valid
+        */
+       REG_INIT(AB9540_REGUHWHPREQ2VALID2,     0x03, 0x0c, 0x0f),
+       /*
+        * 0x01, VapeSwHPReqValid
+        * 0x02, VarmSwHPReqValid
+        * 0x04, Vsmps1SwHPReqValid
+        * 0x08, Vsmps2SwHPReqValid
+        * 0x10, Vsmps3SwHPReqValid
+        * 0x20, VanaSwHPReqValid
+        * 0x40, VpllSwHPReqValid
+        * 0x80, Vaux1SwHPReqValid
+        */
+       REG_INIT(AB9540_REGUSWHPREQVALID1,      0x03, 0x0d, 0xff),
+       /*
+        * 0x01, Vaux2SwHPReqValid
+        * 0x02, Vaux3SwHPReqValid
+        * 0x04, VextSupply1SwHPReqValid
+        * 0x08, VextSupply2SwHPReqValid
+        * 0x10, VextSupply3SwHPReqValid
+        * 0x20, VmodSwHPReqValid
+        */
+       REG_INIT(AB9540_REGUSWHPREQVALID2,      0x03, 0x0e, 0x3f),
+       /*
+        * 0x02, SysClkReq2Valid1
+        * ...
+        * 0x80, SysClkReq8Valid1
+        */
+       REG_INIT(AB9540_REGUSYSCLKREQVALID1,    0x03, 0x0f, 0xfe),
+       /*
+        * 0x02, SysClkReq2Valid2
+        * ...
+        * 0x80, SysClkReq8Valid2
+        */
+       REG_INIT(AB9540_REGUSYSCLKREQVALID2,    0x03, 0x10, 0xfe),
+       /*
+        * 0x01, Vaux4SwHPReqValid
+        * 0x02, Vaux4HwHPReq2Valid
+        * 0x04, Vaux4HwHPReq1Valid
+        * 0x08, Vaux4SysClkReq1HPValid
+        */
+       REG_INIT(AB9540_REGUVAUX4REQVALID,      0x03, 0x11, 0x0f),
+       /*
+        * 0x02, VTVoutEna
+        * 0x04, Vintcore12Ena
+        * 0x38, Vintcore12Sel
+        * 0x40, Vintcore12LP
+        * 0x80, VTVoutLP
+        */
+       REG_INIT(AB9540_REGUMISC1,              0x03, 0x80, 0xfe),
+       /*
+        * 0x02, VaudioEna
+        * 0x04, VdmicEna
+        * 0x08, Vamic1Ena
+        * 0x10, Vamic2Ena
+        */
+       REG_INIT(AB9540_VAUDIOSUPPLY,           0x03, 0x83, 0x1e),
+       /*
+        * 0x01, Vamic1_dzout
+        * 0x02, Vamic2_dzout
+        */
+       REG_INIT(AB9540_REGUCTRL1VAMIC,         0x03, 0x84, 0x03),
+       /*
+        * 0x03, Vsmps1Regu
+        * 0x0c, Vsmps1SelCtrl
+        * 0x10, Vsmps1AutoMode
+        * 0x20, Vsmps1PWMMode
+        */
+       REG_INIT(AB9540_VSMPS1REGU,             0x04, 0x03, 0x3f),
+       /*
+        * 0x03, Vsmps2Regu
+        * 0x0c, Vsmps2SelCtrl
+        * 0x10, Vsmps2AutoMode
+        * 0x20, Vsmps2PWMMode
+        */
+       REG_INIT(AB9540_VSMPS2REGU,             0x04, 0x04, 0x3f),
+       /*
+        * 0x03, Vsmps3Regu
+        * 0x0c, Vsmps3SelCtrl
+        * NOTE! PRCMU register
+        */
+       REG_INIT(AB9540_VSMPS3REGU,             0x04, 0x05, 0x0f),
+       /*
+        * 0x03, VpllRegu
+        * 0x0c, VanaRegu
+        */
+       REG_INIT(AB9540_VPLLVANAREGU,           0x04, 0x06, 0x0f),
+       /*
+        * 0x03, VextSupply1Regu
+        * 0x0c, VextSupply2Regu
+        * 0x30, VextSupply3Regu
+        * 0x40, ExtSupply2Bypass
+        * 0x80, ExtSupply3Bypass
+        */
+       REG_INIT(AB9540_EXTSUPPLYREGU,          0x04, 0x08, 0xff),
+       /*
+        * 0x03, Vaux1Regu
+        * 0x0c, Vaux2Regu
+        */
+       REG_INIT(AB9540_VAUX12REGU,             0x04, 0x09, 0x0f),
+       /*
+        * 0x0c, Vrf1Regu
+        * 0x03, Vaux3Regu
+        */
+       REG_INIT(AB9540_VRF1VAUX3REGU,          0x04, 0x0a, 0x0f),
+       /*
+        * 0x3f, Vsmps1Sel1
+        */
+       REG_INIT(AB9540_VSMPS1SEL1,             0x04, 0x13, 0x3f),
+       /*
+        * 0x3f, Vsmps1Sel2
+        */
+       REG_INIT(AB9540_VSMPS1SEL2,             0x04, 0x14, 0x3f),
+       /*
+        * 0x3f, Vsmps1Sel3
+        */
+       REG_INIT(AB9540_VSMPS1SEL3,             0x04, 0x15, 0x3f),
+       /*
+        * 0x3f, Vsmps2Sel1
+        */
+       REG_INIT(AB9540_VSMPS2SEL1,             0x04, 0x17, 0x3f),
+       /*
+        * 0x3f, Vsmps2Sel2
+        */
+       REG_INIT(AB9540_VSMPS2SEL2,             0x04, 0x18, 0x3f),
+       /*
+        * 0x3f, Vsmps2Sel3
+        */
+       REG_INIT(AB9540_VSMPS2SEL3,             0x04, 0x19, 0x3f),
+       /*
+        * 0x7f, Vsmps3Sel1
+        * NOTE! PRCMU register
+        */
+       REG_INIT(AB9540_VSMPS3SEL1,             0x04, 0x1b, 0x7f),
+       /*
+        * 0x7f, Vsmps3Sel2
+        * NOTE! PRCMU register
+        */
+       REG_INIT(AB9540_VSMPS3SEL2,             0x04, 0x1c, 0x7f),
+       /*
+        * 0x0f, Vaux1Sel
+        */
+       REG_INIT(AB9540_VAUX1SEL,               0x04, 0x1f, 0x0f),
+       /*
+        * 0x0f, Vaux2Sel
+        */
+       REG_INIT(AB9540_VAUX2SEL,               0x04, 0x20, 0x0f),
+       /*
+        * 0x07, Vaux3Sel
+        * 0x30, Vrf1Sel
+        */
+       REG_INIT(AB9540_VRF1VAUX3SEL,           0x04, 0x21, 0x37),
+       /*
+        * 0x01, VextSupply12LP
+        */
+       REG_INIT(AB9540_REGUCTRL2SPARE,         0x04, 0x22, 0x01),
+       /*
+        * 0x03, Vaux4RequestCtrl
+        */
+       REG_INIT(AB9540_VAUX4REQCTRL,           0x04, 0x2d, 0x03),
+       /*
+        * 0x03, Vaux4Regu
+        */
+       REG_INIT(AB9540_VAUX4REGU,              0x04, 0x2e, 0x03),
+       /*
+        * 0x08, Vaux4Sel
+        */
+       REG_INIT(AB9540_VAUX4SEL,               0x04, 0x2f, 0x0f),
+       /*
+        * 0x01, VpllDisch
+        * 0x02, Vrf1Disch
+        * 0x04, Vaux1Disch
+        * 0x08, Vaux2Disch
+        * 0x10, Vaux3Disch
+        * 0x20, Vintcore12Disch
+        * 0x40, VTVoutDisch
+        * 0x80, VaudioDisch
+        */
+       REG_INIT(AB9540_REGUCTRLDISCH,          0x04, 0x43, 0xff),
+       /*
+        * 0x01, VsimDisch
+        * 0x02, VanaDisch
+        * 0x04, VdmicPullDownEna
+        * 0x08, VpllPullDownEna
+        * 0x10, VdmicDisch
+        */
+       REG_INIT(AB9540_REGUCTRLDISCH2,         0x04, 0x44, 0x1f),
+       /*
+        * 0x01, Vaux4Disch
+        */
+       REG_INIT(AB9540_REGUCTRLDISCH3,         0x04, 0x48, 0x01),
+};
+
 static int ab8500_regulator_init_registers(struct platform_device *pdev,
                                           struct ab8500_reg_init *reg_init,
                                           int id, int mask, int value)
@@ -809,6 +1342,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
                                     struct ab8500_regulator_info *regulator_info,
                                     int id, struct device_node *np)
 {
+       struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
        struct ab8500_regulator_info *info = NULL;
        struct regulator_config config = { };
        int err;
@@ -823,7 +1357,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
        config.of_node = np;
 
        /* fix for hardware before ab8500v2.0 */
-       if (abx500_get_chip_id(info->dev) < 0x20) {
+       if (is_ab8500_1p1_or_earlier(ab8500)) {
                if (info->desc.id == AB8500_LDO_AUX3) {
                        info->desc.n_voltages =
                                ARRAY_SIZE(ldo_vauxn_voltages);
@@ -862,6 +1396,20 @@ static struct of_regulator_match ab8500_regulator_match[] = {
        { .name = "ab8500_ldo_ana",     .driver_data = (void *) AB8500_LDO_ANA, },
 };
 
+static struct of_regulator_match ab9540_regulator_match[] = {
+       { .name = "ab8500_ldo_aux1",    .driver_data = (void *) AB9540_LDO_AUX1, },
+       { .name = "ab8500_ldo_aux2",    .driver_data = (void *) AB9540_LDO_AUX2, },
+       { .name = "ab8500_ldo_aux3",    .driver_data = (void *) AB9540_LDO_AUX3, },
+       { .name = "ab8500_ldo_aux4",    .driver_data = (void *) AB9540_LDO_AUX4, },
+       { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB9540_LDO_INTCORE, },
+       { .name = "ab8500_ldo_tvout",   .driver_data = (void *) AB9540_LDO_TVOUT, },
+       { .name = "ab8500_ldo_audio",   .driver_data = (void *) AB9540_LDO_AUDIO, },
+       { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB9540_LDO_ANAMIC1, },
+       { .name = "ab8500_ldo_amamic2", .driver_data = (void *) AB9540_LDO_ANAMIC2, },
+       { .name = "ab8500_ldo_dmic",    .driver_data = (void *) AB9540_LDO_DMIC, },
+       { .name = "ab8500_ldo_ana",     .driver_data = (void *) AB9540_LDO_ANA, },
+};
+
 static int
 ab8500_regulator_of_probe(struct platform_device *pdev,
                          struct ab8500_regulator_info *regulator_info,
@@ -895,12 +1443,21 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
        struct ab8500_reg_init *reg_init;
        int reg_init_size;
 
-       regulator_info = ab8500_regulator_info;
-       regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
-       reg_init = ab8500_reg_init;
-       reg_init_size = AB8500_NUM_REGULATOR_REGISTERS;
-       match = ab8500_regulator_match;
-       match_size = ARRAY_SIZE(ab8500_regulator_match)
+       if (is_ab9540(ab8500)) {
+               regulator_info = ab9540_regulator_info;
+               regulator_info_size = ARRAY_SIZE(ab9540_regulator_info);
+               reg_init = ab9540_reg_init;
+               reg_init_size = AB9540_NUM_REGULATOR_REGISTERS;
+               match = ab9540_regulator_match;
+               match_size = ARRAY_SIZE(ab9540_regulator_match)
+       } else {
+               regulator_info = ab8500_regulator_info;
+               regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
+               reg_init = ab8500_reg_init;
+               reg_init_size = AB8500_NUM_REGULATOR_REGISTERS;
+               match = ab8500_regulator_match;
+               match_size = ARRAY_SIZE(ab8500_regulator_match)
+       }
 
        if (np) {
                err = of_regulator_match(&pdev->dev, np, match, match_size);
@@ -978,11 +1535,18 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 static int ab8500_regulator_remove(struct platform_device *pdev)
 {
        int i, err;
+       struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
        struct ab8500_regulator_info *regulator_info;
        int regulator_info_size;
 
-       regulator_info = ab8500_regulator_info;
-       regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
+
+       if (is_ab9540(ab8500)) {
+               regulator_info = ab9540_regulator_info;
+               regulator_info_size = ARRAY_SIZE(ab9540_regulator_info);
+       } else {
+               regulator_info = ab8500_regulator_info;
+               regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
+       }
 
        for (i = 0; i < regulator_info_size; i++) {
                struct ab8500_regulator_info *info = NULL;