[PATCH v4 3/5] regulator: add bcm590xx regulator driver
Add a regulator driver for the BCM590xx PMU voltage regulators. The driver supports LDOs and DCDCs in normal mode only. There is no support for low-power mode or power sequencing. Signed-off-by: Matt Porter Reviewed-by: Tim Kryger Reviewed-by: Markus Mayer --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/bcm590xx-regulator.c | 413 + 3 files changed, 422 insertions(+) create mode 100644 drivers/regulator/bcm590xx-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 6a79328..1169a42 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -139,6 +139,14 @@ config REGULATOR_AS3722 AS3722 PMIC. This will enable support for all the software controllable DCDC/LDO regulators. +config REGULATOR_BCM590XX + tristate "Broadcom BCM590xx PMU Regulators" + depends on MFD_BCM590XX + help + This driver provides support for the voltage regulators on the + BCM590xx PMUs. This will enable support for the software + controllable LDO/Switching regulators. + config REGULATOR_DA903X tristate "Dialog Semiconductor DA9030/DA9034 regulators" depends on PMIC_DA903X diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 979f9dd..e1ab514 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o +obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c new file mode 100644 index 000..e6b2e8e --- /dev/null +++ b/drivers/regulator/bcm590xx-regulator.c @@ -0,0 +1,413 @@ +/* + * Broadcom BCM590xx regulator driver + * + * Copyright 2014 Linaro Limited + * Author: Matt Porter + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Register defs */ +#define BCM590XX_RFLDOPMCTRL1 0x60 +#define BCM590XX_IOSR1PMCTRL1 0x7a +#define BCM590XX_IOSR2PMCTRL1 0x7c +#define BCM590XX_CSRPMCTRL10x7e +#define BCM590XX_SDSR1PMCTRL1 0x82 +#define BCM590XX_SDSR2PMCTRL1 0x86 +#define BCM590XX_MSRPMCTRL10x8a +#define BCM590XX_VSRPMCTRL10x8e +#define BCM590XX_REG_ENABLEBIT(7) + +#define BCM590XX_RFLDOCTRL 0x96 +#define BCM590XX_CSRVOUT1 0xc0 +#define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3) +#define BCM590XX_SR_VSEL_MASK GENMASK(5, 0) + +/* LDO regulator IDs */ +#define BCM590XX_REG_RFLDO 0 +#define BCM590XX_REG_CAMLDO1 1 +#define BCM590XX_REG_CAMLDO2 2 +#define BCM590XX_REG_SIMLDO1 3 +#define BCM590XX_REG_SIMLDO2 4 +#define BCM590XX_REG_SDLDO 5 +#define BCM590XX_REG_SDXLDO6 +#define BCM590XX_REG_MMCLDO1 7 +#define BCM590XX_REG_MMCLDO2 8 +#define BCM590XX_REG_AUDLDO9 +#define BCM590XX_REG_MICLDO10 +#define BCM590XX_REG_USBLDO11 +#define BCM590XX_REG_VIBLDO12 + +/* DCDC regulator IDs */ +#define BCM590XX_REG_CSR 13 +#define BCM590XX_REG_IOSR1 14 +#define BCM590XX_REG_IOSR2 15 +#define BCM590XX_REG_MSR 16 +#define BCM590XX_REG_SDSR1 17 +#define BCM590XX_REG_SDSR2 18 +#define BCM590XX_REG_VSR 19 + +#define BCM590XX_NUM_REGS 20 + +#define BCM590XX_REG_IS_LDO(n) (n < BCM590XX_REG_CSR) + +struct bcm590xx_board { + struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS]; +}; + +/* LDO group A: supported voltages in microvolts */ +static const unsigned int ldo_a_table[] = { + 120, 180, 250, 270, 280, + 290, 300, 330, +}; + +/* LDO group C: supported voltages in microvolts */ +static const unsigned int ldo_c_table[] = { + 310, 180, 250, 270, 280, + 290, 300, 330, +}; + +/* DCDC group CSR: supported voltages in microvolts */ +static const struct regulator_linear_range dcdc_csr_ranges[] = { + REGULATOR_LINEAR_RANGE(86, 2, 50, 1), + REGULATOR_LINEAR_RANGE(136, 51, 55, 2), + REGULATOR_LINEAR_RANGE(90, 56, 63, 0), +}; + +/* DCDC group IOSR1: supported voltages in microvolts */ +static const struct regulator_linear_range dcdc_iosr1_ranges[] = { + REGULATOR_LINEAR_RANGE(86, 2, 51, 1), + REGULATOR_LINEAR_RANGE(150,
[PATCH v4 3/5] regulator: add bcm590xx regulator driver
Add a regulator driver for the BCM590xx PMU voltage regulators. The driver supports LDOs and DCDCs in normal mode only. There is no support for low-power mode or power sequencing. Signed-off-by: Matt Porter mpor...@linaro.org Reviewed-by: Tim Kryger tim.kry...@linaro.org Reviewed-by: Markus Mayer markus.ma...@linaro.org --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/bcm590xx-regulator.c | 413 + 3 files changed, 422 insertions(+) create mode 100644 drivers/regulator/bcm590xx-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 6a79328..1169a42 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -139,6 +139,14 @@ config REGULATOR_AS3722 AS3722 PMIC. This will enable support for all the software controllable DCDC/LDO regulators. +config REGULATOR_BCM590XX + tristate Broadcom BCM590xx PMU Regulators + depends on MFD_BCM590XX + help + This driver provides support for the voltage regulators on the + BCM590xx PMUs. This will enable support for the software + controllable LDO/Switching regulators. + config REGULATOR_DA903X tristate Dialog Semiconductor DA9030/DA9034 regulators depends on PMIC_DA903X diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 979f9dd..e1ab514 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o +obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c new file mode 100644 index 000..e6b2e8e --- /dev/null +++ b/drivers/regulator/bcm590xx-regulator.c @@ -0,0 +1,413 @@ +/* + * Broadcom BCM590xx regulator driver + * + * Copyright 2014 Linaro Limited + * Author: Matt Porter mpor...@linaro.org + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include linux/err.h +#include linux/init.h +#include linux/kernel.h +#include linux/mfd/bcm590xx.h +#include linux/module.h +#include linux/of.h +#include linux/platform_device.h +#include linux/regulator/driver.h +#include linux/regulator/machine.h +#include linux/regulator/of_regulator.h +#include linux/slab.h + +/* Register defs */ +#define BCM590XX_RFLDOPMCTRL1 0x60 +#define BCM590XX_IOSR1PMCTRL1 0x7a +#define BCM590XX_IOSR2PMCTRL1 0x7c +#define BCM590XX_CSRPMCTRL10x7e +#define BCM590XX_SDSR1PMCTRL1 0x82 +#define BCM590XX_SDSR2PMCTRL1 0x86 +#define BCM590XX_MSRPMCTRL10x8a +#define BCM590XX_VSRPMCTRL10x8e +#define BCM590XX_REG_ENABLEBIT(7) + +#define BCM590XX_RFLDOCTRL 0x96 +#define BCM590XX_CSRVOUT1 0xc0 +#define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3) +#define BCM590XX_SR_VSEL_MASK GENMASK(5, 0) + +/* LDO regulator IDs */ +#define BCM590XX_REG_RFLDO 0 +#define BCM590XX_REG_CAMLDO1 1 +#define BCM590XX_REG_CAMLDO2 2 +#define BCM590XX_REG_SIMLDO1 3 +#define BCM590XX_REG_SIMLDO2 4 +#define BCM590XX_REG_SDLDO 5 +#define BCM590XX_REG_SDXLDO6 +#define BCM590XX_REG_MMCLDO1 7 +#define BCM590XX_REG_MMCLDO2 8 +#define BCM590XX_REG_AUDLDO9 +#define BCM590XX_REG_MICLDO10 +#define BCM590XX_REG_USBLDO11 +#define BCM590XX_REG_VIBLDO12 + +/* DCDC regulator IDs */ +#define BCM590XX_REG_CSR 13 +#define BCM590XX_REG_IOSR1 14 +#define BCM590XX_REG_IOSR2 15 +#define BCM590XX_REG_MSR 16 +#define BCM590XX_REG_SDSR1 17 +#define BCM590XX_REG_SDSR2 18 +#define BCM590XX_REG_VSR 19 + +#define BCM590XX_NUM_REGS 20 + +#define BCM590XX_REG_IS_LDO(n) (n BCM590XX_REG_CSR) + +struct bcm590xx_board { + struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS]; +}; + +/* LDO group A: supported voltages in microvolts */ +static const unsigned int ldo_a_table[] = { + 120, 180, 250, 270, 280, + 290, 300, 330, +}; + +/* LDO group C: supported voltages in microvolts */ +static const unsigned int ldo_c_table[] = { + 310, 180, 250, 270, 280, + 290, 300, 330, +}; + +/* DCDC group CSR: supported voltages in microvolts */ +static const struct regulator_linear_range dcdc_csr_ranges[] = { + REGULATOR_LINEAR_RANGE(86, 2, 50, 1), + REGULATOR_LINEAR_RANGE(136, 51, 55, 2), +