mach-ux500: provide ab8500 init vector

This adds an ab8500 regulator initialization vector for the
HREF/MOP500 series of boards. This also sets the display
regulator to be on at boot so we don't loose our splash
screen when the board comes up.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 875c91b..d4f33eb 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -62,6 +62,182 @@ static struct regulator_consumer_supply ab8500_vana_consumers[] = {
        REGULATOR_SUPPLY("vsmps2", "mcde.0"),
 };
 
+/* ab8500 regulator register initialization */
+struct ab8500_regulator_reg_init
+ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS] = {
+       /*
+        * VanaRequestCtrl          = HP/LP depending on VxRequest
+        * VextSupply1RequestCtrl   = HP/LP depending on VxRequest
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0x00),
+       /*
+        * VextSupply2RequestCtrl   = HP/LP depending on VxRequest
+        * VextSupply3RequestCtrl   = HP/LP depending on VxRequest
+        * Vaux1RequestCtrl         = HP/LP depending on VxRequest
+        * Vaux2RequestCtrl         = HP/LP depending on VxRequest
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3, 0x00),
+       /*
+        * Vaux3RequestCtrl         = HP/LP depending on VxRequest
+        * SwHPReq                  = Control through SWValid disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4, 0x00),
+       /*
+        * VanaSysClkReq1HPValid    = disabled
+        * Vaux1SysClkReq1HPValid   = disabled
+        * Vaux2SysClkReq1HPValid   = disabled
+        * Vaux3SysClkReq1HPValid   = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0x00),
+       /*
+        * VextSupply1SysClkReq1HPValid = disabled
+        * VextSupply2SysClkReq1HPValid = disabled
+        * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x40),
+       /*
+        * VanaHwHPReq1Valid        = disabled
+        * Vaux1HwHPreq1Valid       = disabled
+        * Vaux2HwHPReq1Valid       = disabled
+        * Vaux3HwHPReqValid        = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1, 0x00),
+       /*
+        * VextSupply1HwHPReq1Valid = disabled
+        * VextSupply2HwHPReq1Valid = disabled
+        * VextSupply3HwHPReq1Valid = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2, 0x00),
+       /*
+        * VanaHwHPReq2Valid        = disabled
+        * Vaux1HwHPReq2Valid       = disabled
+        * Vaux2HwHPReq2Valid       = disabled
+        * Vaux3HwHPReq2Valid       = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1, 0x00),
+       /*
+        * VextSupply1HwHPReq2Valid = disabled
+        * VextSupply2HwHPReq2Valid = disabled
+        * VextSupply3HwHPReq2Valid = HWReq2 controlled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2, 0x04),
+       /*
+        * VanaSwHPReqValid         = disabled
+        * Vaux1SwHPReqValid        = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1, 0x00),
+       /*
+        * Vaux2SwHPReqValid        = disabled
+        * Vaux3SwHPReqValid        = disabled
+        * VextSupply1SwHPReqValid  = disabled
+        * VextSupply2SwHPReqValid  = disabled
+        * VextSupply3SwHPReqValid  = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2, 0x00),
+       /*
+        * SysClkReq2Valid1         = SysClkReq2 controlled
+        * SysClkReq3Valid1         = disabled
+        * SysClkReq4Valid1         = SysClkReq4 controlled
+        * SysClkReq5Valid1         = disabled
+        * SysClkReq6Valid1         = SysClkReq6 controlled
+        * SysClkReq7Valid1         = disabled
+        * SysClkReq8Valid1         = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1, 0x2a),
+       /*
+        * SysClkReq2Valid2         = disabled
+        * SysClkReq3Valid2         = disabled
+        * SysClkReq4Valid2         = disabled
+        * SysClkReq5Valid2         = disabled
+        * SysClkReq6Valid2         = SysClkReq6 controlled
+        * SysClkReq7Valid2         = disabled
+        * SysClkReq8Valid2         = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2, 0x20),
+       /*
+        * VTVoutEna                = disabled
+        * Vintcore12Ena            = disabled
+        * Vintcore12Sel            = 1.25 V
+        * Vintcore12LP             = inactive (HP)
+        * VTVoutLP                 = inactive (HP)
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUMISC1, 0x10),
+       /*
+        * VaudioEna                = disabled
+        * VdmicEna                 = disabled
+        * Vamic1Ena                = disabled
+        * Vamic2Ena                = disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY, 0x00),
+       /*
+        * Vamic1_dzout             = high-Z when Vamic1 is disabled
+        * Vamic2_dzout             = high-Z when Vamic2 is disabled
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC, 0x00),
+       /*
+        * VPll                     = Hw controlled
+        * VanaRegu                 = force off
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU, 0x02),
+       /*
+        * VrefDDREna               = disabled
+        * VrefDDRSleepMode         = inactive (no pulldown)
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VREFDDR, 0x00),
+       /*
+        * VextSupply1Regu          = HW control
+        * VextSupply2Regu          = HW control
+        * VextSupply3Regu          = HW control
+        * ExtSupply2Bypass         = ExtSupply12LPn ball is 0 when Ena is 0
+        * ExtSupply3Bypass         = ExtSupply3LPn ball is 0 when Ena is 0
+        */
+       INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0x2a),
+       /*
+        * Vaux1Regu                = force HP
+        * Vaux2Regu                = force off
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU, 0x01),
+       /*
+        * Vaux3regu                = force off
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x00),
+       /*
+        * Vsmps1                   = 1.15V
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VSMPS1SEL1, 0x24),
+       /*
+        * Vaux1Sel                 = 2.5 V
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL, 0x08),
+       /*
+        * Vaux2Sel                 = 2.9 V
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL, 0x0d),
+       /*
+        * Vaux3Sel                 = 2.91 V
+        */
+       INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL, 0x07),
+       /*
+        * VextSupply12LP           = disabled (no LP)
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE, 0x00),
+       /*
+        * Vaux1Disch               = short discharge time
+        * Vaux2Disch               = short discharge time
+        * Vaux3Disch               = short discharge time
+        * Vintcore12Disch          = short discharge time
+        * VTVoutDisch              = short discharge time
+        * VaudioDisch              = short discharge time
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH, 0x00),
+       /*
+        * VanaDisch                = short discharge time
+        * VdmicPullDownEna         = pulldown disabled when Vdmic is disabled
+        * VdmicDisch               = short discharge time
+        */
+       INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2, 0x00),
+};
+
 /* AB8500 regulators */
 struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
        /* supplies to the display/camera */
@@ -72,6 +248,7 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
                        .max_uV = 2900000,
                        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
                                          REGULATOR_CHANGE_STATUS,
+                       .boot_on = 1, /* must be on for display */
                },
                .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
                .consumer_supplies = ab8500_vaux1_consumers,

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 6ac0164..a10abc7 100644 (file)
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -67,6 +67,8 @@ static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
 
 static struct ab8500_platform_data ab8500_platdata = {
        .irq_base       = MOP500_AB8500_IRQ_BASE,
+       .regulator_reg_init = ab8500_regulator_reg_init,
+       .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
        .regulator      = ab8500_regulators,
        .num_regulator  = ARRAY_SIZE(ab8500_regulators),
        .gpio           = &ab8500_gpio_pdata,