mirror of https://gitee.com/openkylin/linux.git
regulator/mc13783: various cleanups
- define needed registers and bits in the driver - properly namespace functions and structs - fix locking as required by patch "mfd/mc13783: near complete rewrite" - use platform_data as provided by "mfd/mc13783: near complete rewrite" instead of accessing struct mc13783 - struct mc13783_regulator_priv.desc is (and was) unused and so can go away - use cpp magic to initialize mc13783_regulators - bring MODULE_LICENSE in sync with actual copyright - minor style fixes This allows not including mc13783-private.h which I intend to remove soon. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Liam Girdwood <lrg@slimlogic.co.uk> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Mark Brown <broonie@opensoruce.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Uwe Kleine-König
Liam Girdwood
parent
b4b90c659d
commit
a10099bc88
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@ -8,15 +8,47 @@
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* published by the Free Software Foundation.
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*/
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#include <linux/mfd/mc13783-private.h>
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#include <linux/mfd/mc13783.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/driver.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/mc13783.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#define MC13783_REG_SWITCHERS4 28
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#define MC13783_REG_SWITCHERS4_PLLEN (1 << 18)
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#define MC13783_REG_SWITCHERS5 29
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#define MC13783_REG_SWITCHERS5_SW3EN (1 << 20)
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#define MC13783_REG_REGULATORMODE0 32
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#define MC13783_REG_REGULATORMODE0_VAUDIOEN (1 << 0)
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#define MC13783_REG_REGULATORMODE0_VIOHIEN (1 << 3)
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#define MC13783_REG_REGULATORMODE0_VIOLOEN (1 << 6)
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#define MC13783_REG_REGULATORMODE0_VDIGEN (1 << 9)
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#define MC13783_REG_REGULATORMODE0_VGENEN (1 << 12)
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#define MC13783_REG_REGULATORMODE0_VRFDIGEN (1 << 15)
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#define MC13783_REG_REGULATORMODE0_VRFREFEN (1 << 18)
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#define MC13783_REG_REGULATORMODE0_VRFCPEN (1 << 21)
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#define MC13783_REG_REGULATORMODE1 33
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#define MC13783_REG_REGULATORMODE1_VSIMEN (1 << 0)
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#define MC13783_REG_REGULATORMODE1_VESIMEN (1 << 3)
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#define MC13783_REG_REGULATORMODE1_VCAMEN (1 << 6)
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#define MC13783_REG_REGULATORMODE1_VRFBGEN (1 << 9)
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#define MC13783_REG_REGULATORMODE1_VVIBEN (1 << 11)
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#define MC13783_REG_REGULATORMODE1_VRF1EN (1 << 12)
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#define MC13783_REG_REGULATORMODE1_VRF2EN (1 << 15)
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#define MC13783_REG_REGULATORMODE1_VMMC1EN (1 << 18)
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#define MC13783_REG_REGULATORMODE1_VMMC2EN (1 << 21)
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#define MC13783_REG_POWERMISC 34
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#define MC13783_REG_POWERMISC_GPO1EN (1 << 6)
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#define MC13783_REG_POWERMISC_GPO2EN (1 << 8)
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#define MC13783_REG_POWERMISC_GPO3EN (1 << 10)
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#define MC13783_REG_POWERMISC_GPO4EN (1 << 12)
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struct mc13783_regulator {
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struct regulator_desc desc;
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int reg;
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@ -25,298 +57,97 @@ struct mc13783_regulator {
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static struct regulator_ops mc13783_regulator_ops;
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#define MC13783_DEFINE(prefix, _name, _reg) \
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[MC13783_ ## prefix ## _ ## _name] = { \
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.desc = { \
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.name = #prefix "_" #_name, \
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.ops = &mc13783_regulator_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = MC13783_ ## prefix ## _ ## _name, \
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.owner = THIS_MODULE, \
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}, \
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.reg = MC13783_REG_ ## _reg, \
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.enable_bit = MC13783_REG_ ## _reg ## _ ## _name ## EN, \
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}
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#define MC13783_DEFINE_SW(_name, _reg) MC13783_DEFINE(SW, _name, _reg)
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#define MC13783_DEFINE_REGU(_name, _reg) MC13783_DEFINE(REGU, _name, _reg)
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static struct mc13783_regulator mc13783_regulators[] = {
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[MC13783_SW_SW3] = {
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.desc = {
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.name = "SW_SW3",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_SW_SW3,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_SWITCHERS_5,
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.enable_bit = MC13783_SWCTRL_SW3_EN,
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},
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[MC13783_SW_PLL] = {
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.desc = {
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.name = "SW_PLL",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_SW_PLL,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_SWITCHERS_4,
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.enable_bit = MC13783_SWCTRL_PLL_EN,
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},
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[MC13783_REGU_VAUDIO] = {
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.desc = {
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.name = "REGU_VAUDIO",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VAUDIO,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VAUDIO_EN,
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},
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[MC13783_REGU_VIOHI] = {
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.desc = {
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.name = "REGU_VIOHI",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VIOHI,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VIOHI_EN,
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},
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[MC13783_REGU_VIOLO] = {
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.desc = {
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.name = "REGU_VIOLO",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VIOLO,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VIOLO_EN,
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},
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[MC13783_REGU_VDIG] = {
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.desc = {
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.name = "REGU_VDIG",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VDIG,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VDIG_EN,
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},
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[MC13783_REGU_VGEN] = {
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.desc = {
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.name = "REGU_VGEN",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VGEN,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VGEN_EN,
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},
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[MC13783_REGU_VRFDIG] = {
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.desc = {
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.name = "REGU_VRFDIG",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRFDIG,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VRFDIG_EN,
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},
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[MC13783_REGU_VRFREF] = {
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.desc = {
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.name = "REGU_VRFREF",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRFREF,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VRFREF_EN,
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},
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[MC13783_REGU_VRFCP] = {
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.desc = {
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.name = "REGU_VRFCP",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRFCP,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_0,
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.enable_bit = MC13783_REGCTRL_VRFCP_EN,
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},
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[MC13783_REGU_VSIM] = {
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.desc = {
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.name = "REGU_VSIM",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VSIM,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VSIM_EN,
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},
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[MC13783_REGU_VESIM] = {
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.desc = {
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.name = "REGU_VESIM",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VESIM,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VESIM_EN,
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},
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[MC13783_REGU_VCAM] = {
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.desc = {
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.name = "REGU_VCAM",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VCAM,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VCAM_EN,
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},
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[MC13783_REGU_VRFBG] = {
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.desc = {
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.name = "REGU_VRFBG",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRFBG,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VRFBG_EN,
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},
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[MC13783_REGU_VVIB] = {
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.desc = {
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.name = "REGU_VVIB",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VVIB,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VVIB_EN,
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},
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[MC13783_REGU_VRF1] = {
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.desc = {
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.name = "REGU_VRF1",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRF1,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VRF1_EN,
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},
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[MC13783_REGU_VRF2] = {
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.desc = {
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.name = "REGU_VRF2",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VRF2,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VRF2_EN,
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},
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[MC13783_REGU_VMMC1] = {
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.desc = {
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.name = "REGU_VMMC1",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VMMC1,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VMMC1_EN,
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},
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[MC13783_REGU_VMMC2] = {
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.desc = {
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.name = "REGU_VMMC2",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_VMMC2,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_REGULATOR_MODE_1,
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.enable_bit = MC13783_REGCTRL_VMMC2_EN,
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},
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[MC13783_REGU_GPO1] = {
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.desc = {
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.name = "REGU_GPO1",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_GPO1,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_POWER_MISCELLANEOUS,
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.enable_bit = MC13783_REGCTRL_GPO1_EN,
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},
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[MC13783_REGU_GPO2] = {
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.desc = {
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.name = "REGU_GPO2",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_GPO2,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_POWER_MISCELLANEOUS,
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.enable_bit = MC13783_REGCTRL_GPO2_EN,
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},
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[MC13783_REGU_GPO3] = {
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.desc = {
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.name = "REGU_GPO3",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_GPO3,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_POWER_MISCELLANEOUS,
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.enable_bit = MC13783_REGCTRL_GPO3_EN,
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},
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[MC13783_REGU_GPO4] = {
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.desc = {
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.name = "REGU_GPO4",
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.ops = &mc13783_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.id = MC13783_REGU_GPO4,
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.owner = THIS_MODULE,
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},
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.reg = MC13783_REG_POWER_MISCELLANEOUS,
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.enable_bit = MC13783_REGCTRL_GPO4_EN,
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},
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MC13783_DEFINE_SW(SW3, SWITCHERS5),
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MC13783_DEFINE_SW(PLL, SWITCHERS4),
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MC13783_DEFINE_REGU(VAUDIO, REGULATORMODE0),
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MC13783_DEFINE_REGU(VIOHI, REGULATORMODE0),
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MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0),
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MC13783_DEFINE_REGU(VDIG, REGULATORMODE0),
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MC13783_DEFINE_REGU(VGEN, REGULATORMODE0),
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MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0),
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MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0),
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MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0),
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MC13783_DEFINE_REGU(VSIM, REGULATORMODE1),
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MC13783_DEFINE_REGU(VESIM, REGULATORMODE1),
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MC13783_DEFINE_REGU(VCAM, REGULATORMODE1),
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MC13783_DEFINE_REGU(VRFBG, REGULATORMODE1),
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MC13783_DEFINE_REGU(VVIB, REGULATORMODE1),
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MC13783_DEFINE_REGU(VRF1, REGULATORMODE1),
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MC13783_DEFINE_REGU(VRF2, REGULATORMODE1),
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MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1),
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MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1),
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MC13783_DEFINE_REGU(GPO1, POWERMISC),
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MC13783_DEFINE_REGU(GPO2, POWERMISC),
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MC13783_DEFINE_REGU(GPO3, POWERMISC),
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MC13783_DEFINE_REGU(GPO4, POWERMISC),
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};
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struct mc13783_priv {
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struct regulator_desc desc[ARRAY_SIZE(mc13783_regulators)];
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struct mc13783_regulator_priv {
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struct mc13783 *mc13783;
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struct regulator_dev *regulators[0];
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struct regulator_dev *regulators[];
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};
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static int mc13783_enable(struct regulator_dev *rdev)
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static int mc13783_regulator_enable(struct regulator_dev *rdev)
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{
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struct mc13783_priv *priv = rdev_get_drvdata(rdev);
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struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
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int id = rdev_get_id(rdev);
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int ret;
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dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
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return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg,
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mc13783_lock(priv->mc13783);
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ret = mc13783_reg_rmw(priv->mc13783, mc13783_regulators[id].reg,
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mc13783_regulators[id].enable_bit,
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mc13783_regulators[id].enable_bit);
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mc13783_unlock(priv->mc13783);
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return ret;
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}
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static int mc13783_disable(struct regulator_dev *rdev)
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static int mc13783_regulator_disable(struct regulator_dev *rdev)
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{
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struct mc13783_priv *priv = rdev_get_drvdata(rdev);
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struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
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int id = rdev_get_id(rdev);
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int ret;
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dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
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return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg,
|
||||
mc13783_lock(priv->mc13783);
|
||||
ret = mc13783_reg_rmw(priv->mc13783, mc13783_regulators[id].reg,
|
||||
mc13783_regulators[id].enable_bit, 0);
|
||||
mc13783_unlock(priv->mc13783);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mc13783_is_enabled(struct regulator_dev *rdev)
|
||||
static int mc13783_regulator_is_enabled(struct regulator_dev *rdev)
|
||||
{
|
||||
struct mc13783_priv *priv = rdev_get_drvdata(rdev);
|
||||
struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
|
||||
int ret, id = rdev_get_id(rdev);
|
||||
unsigned int val;
|
||||
|
||||
mc13783_lock(priv->mc13783);
|
||||
ret = mc13783_reg_read(priv->mc13783, mc13783_regulators[id].reg, &val);
|
||||
mc13783_unlock(priv->mc13783);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
|
|
@ -324,29 +155,32 @@ static int mc13783_is_enabled(struct regulator_dev *rdev)
|
|||
}
|
||||
|
||||
static struct regulator_ops mc13783_regulator_ops = {
|
||||
.enable = mc13783_enable,
|
||||
.disable = mc13783_disable,
|
||||
.is_enabled = mc13783_is_enabled,
|
||||
.enable = mc13783_regulator_enable,
|
||||
.disable = mc13783_regulator_disable,
|
||||
.is_enabled = mc13783_regulator_is_enabled,
|
||||
};
|
||||
|
||||
static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct mc13783_priv *priv;
|
||||
struct mc13783_regulator_priv *priv;
|
||||
struct mc13783 *mc13783 = dev_get_drvdata(pdev->dev.parent);
|
||||
struct mc13783_regulator_platform_data *pdata =
|
||||
dev_get_platdata(&pdev->dev);
|
||||
struct mc13783_regulator_init_data *init_data;
|
||||
int i, ret;
|
||||
|
||||
dev_dbg(&pdev->dev, "mc13783_regulator_probe id %d\n", pdev->id);
|
||||
|
||||
priv = kzalloc(sizeof(*priv) + mc13783->num_regulators * sizeof(void *),
|
||||
priv = kzalloc(sizeof(*priv) +
|
||||
pdata->num_regulators * sizeof(priv->regulators[0]),
|
||||
GFP_KERNEL);
|
||||
if (!priv)
|
||||
return -ENOMEM;
|
||||
|
||||
priv->mc13783 = mc13783;
|
||||
|
||||
for (i = 0; i < mc13783->num_regulators; i++) {
|
||||
init_data = &mc13783->regulators[i];
|
||||
for (i = 0; i < pdata->num_regulators; i++) {
|
||||
init_data = &pdata->regulators[i];
|
||||
priv->regulators[i] = regulator_register(
|
||||
&mc13783_regulators[init_data->id].desc,
|
||||
&pdev->dev, init_data->init_data, priv);
|
||||
|
|
@ -373,11 +207,12 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
|
|||
|
||||
static int __devexit mc13783_regulator_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct mc13783_priv *priv = platform_get_drvdata(pdev);
|
||||
struct mc13783 *mc13783 = priv->mc13783;
|
||||
struct mc13783_regulator_priv *priv = platform_get_drvdata(pdev);
|
||||
struct mc13783_regulator_platform_data *pdata =
|
||||
dev_get_platdata(&pdev->dev);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < mc13783->num_regulators; i++)
|
||||
for (i = 0; i < pdata->num_regulators; i++)
|
||||
regulator_unregister(priv->regulators[i]);
|
||||
|
||||
return 0;
|
||||
|
|
@ -404,7 +239,7 @@ static void __exit mc13783_regulator_exit(void)
|
|||
}
|
||||
module_exit(mc13783_regulator_exit);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de");
|
||||
MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC");
|
||||
MODULE_ALIAS("platform:mc13783-regulator");
|
||||
|
|
|
|||
Loading…
Reference in New Issue