diff options
31 files changed, 3640 insertions, 103 deletions
diff --git a/Documentation/devicetree/bindings/mfd/lp87565.txt b/Documentation/devicetree/bindings/mfd/lp87565.txt index a48df7c08ab0..41671e0dc26b 100644 --- a/Documentation/devicetree/bindings/mfd/lp87565.txt +++ b/Documentation/devicetree/bindings/mfd/lp87565.txt @@ -41,3 +41,39 @@ lp87565_pmic: pmic@60 { }; }; }; + +TI LP87561 PMIC: + +This is a single output 4-phase regulator configuration + +Required properties: + - compatible: "ti,lp87561-q1" + - reg: I2C slave address. + - gpio-controller: Marks the device node as a GPIO Controller. + - #gpio-cells: Should be two. The first cell is the pin number and + the second cell is used to specify flags. + See ../gpio/gpio.txt for more information. + - xxx-in-supply: Phandle to parent supply node of each regulator + populated under regulators node. xxx should match + the supply_name populated in driver. +Example: + +lp87561_pmic: pmic@62 { + compatible = "ti,lp87561-q1"; + reg = <0x62>; + gpio-controller; + #gpio-cells = <2>; + + buck3210-in-supply = <&vsys_3v3>; + + regulators: regulators { + buck3210_reg: buck3210 { + /* VDD_CORE */ + regulator-name = "buck3210"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <800000>; + regulator-always-on; + regulator-boot-on; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 1683ec3245bc..04df07f6f793 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -3,11 +3,15 @@ RK8XX Power Management Integrated Circuit The rk8xx family current members: rk805 rk808 +rk809 +rk817 rk818 Required properties: - compatible: "rockchip,rk805" - compatible: "rockchip,rk808" +- compatible: "rockchip,rk809" +- compatible: "rockchip,rk817" - compatible: "rockchip,rk818" - reg: I2C slave address - interrupts: the interrupt outputs of the controller. @@ -45,6 +49,23 @@ Optional RK808 properties: the gpio controller. If DVS GPIOs aren't present, voltage changes will happen very quickly with no slow ramp time. +Optional shared RK809 and RK817 properties: +- vcc1-supply: The input supply for DCDC_REG1 +- vcc2-supply: The input supply for DCDC_REG2 +- vcc3-supply: The input supply for DCDC_REG3 +- vcc4-supply: The input supply for DCDC_REG4 +- vcc5-supply: The input supply for LDO_REG1, LDO_REG2, LDO_REG3 +- vcc6-supply: The input supply for LDO_REG4, LDO_REG5, LDO_REG6 +- vcc7-supply: The input supply for LDO_REG7, LDO_REG8, LDO_REG9 + +Optional RK809 properties: +- vcc8-supply: The input supply for SWITCH_REG1 +- vcc9-supply: The input supply for DCDC_REG5, SWITCH_REG2 + +Optional RK817 properties: +- vcc8-supply: The input supply for BOOST +- vcc9-supply: The input supply for OTG_SWITCH + Optional RK818 properties: - vcc1-supply: The input supply for DCDC_REG1 - vcc2-supply: The input supply for DCDC_REG2 @@ -86,6 +107,21 @@ number as described in RK808 datasheet. - SWITCH_REGn - valid values for n are 1 to 2 +Following regulators of the RK809 and RK817 PMIC blocks are supported. Note that +the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO +number as described in RK809 and RK817 datasheets. + + - DCDC_REGn + - valid values for n are 1 to 5 for RK809. + - valid values for n are 1 to 4 for RK817. + - LDO_REGn + - valid values for n are 1 to 9 for RK809. + - valid values for n are 1 to 9 for RK817. + - SWITCH_REGn + - valid values for n are 1 to 2 for RK809. + - BOOST for RK817 + - OTG_SWITCH for RK817 + Following regulators of the RK818 PMIC block are supported. Note that the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO number as described in RK818 datasheet. @@ -98,6 +134,14 @@ number as described in RK818 datasheet. - HDMI_SWITCH - OTG_SWITCH +It is necessary to configure three pins for both the RK809 and RK817, the three +pins are "gpio_ts" "gpio_gt" "gpio_slp". + The gpio_gt and gpio_ts pins support the gpio function. + The gpio_slp pin is for controlling the pmic states, as below: + - reset + - power down + - sleep + Standard regulator bindings are used inside regulator subnodes. Check Documentation/devicetree/bindings/regulator/regulator.txt for more details diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt new file mode 100644 index 000000000000..c3c02ce73cde --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt @@ -0,0 +1,102 @@ +* ROHM BD70528 Power Management Integrated Circuit bindings + +BD70528MWV is an ultra-low quiescent current general purpose, single-chip, +power management IC for battery-powered portable devices. The IC +integrates 3 ultra-low current consumption buck converters, 3 LDOs and 2 +LED Drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz +clock gate, high-accuracy VREF for use with an external ADC, flexible +dual-input power path, 10 bit SAR ADC for battery temperature monitor and +1S battery charger with scalable charge currents. + +Required properties: + - compatible : Should be "rohm,bd70528" + - reg : I2C slave address. + - interrupts : The interrupt line the device is connected to. + - interrupt-controller : To indicate BD70528 acts as an interrupt controller. + - #interrupt-cells : Should be 2. Usage is compliant to the 2 cells + variant of ../interrupt-controller/interrupts.txt + - gpio-controller : To indicate BD70528 acts as a GPIO controller. + - #gpio-cells : Should be 2. The first cell is the pin number and + the second cell is used to specify flags. See + ../gpio/gpio.txt for more information. + - #clock-cells : Should be 0. + - regulators: : List of child nodes that specify the regulators. + Please see ../regulator/rohm,bd70528-regulator.txt + +Optional properties: + - clock-output-names : Should contain name for output clock. + +Example: +/* External oscillator */ +osc: oscillator { + compatible = "fixed-clock"; + #clock-cells = <1>; + clock-frequency = <32768>; + clock-output-names = "osc"; +}; + +pmic: pmic@4b { + compatible = "rohm,bd70528"; + reg = <0x4b>; + interrupt-parent = <&gpio1>; + interrupts = <29 GPIO_ACTIVE_LOW>; + clocks = <&osc 0>; + #clock-cells = <0>; + clock-output-names = "bd70528-32k-out"; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + + regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-ramp-delay = <125>; + }; + buck2: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-ramp-delay = <125>; + }; + buck3: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-ramp-delay = <250>; + }; + ldo1: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1650000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo2: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <1650000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + + ldo3: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1650000>; + regulator-max-microvolt = <3300000>; + }; + led_ldo1: LED_LDO1 { + regulator-name = "led_ldo1"; + regulator-min-microvolt = <200000>; + regulator-max-microvolt = <300000>; + }; + led_ldo2: LED_LDO2 { + regulator-name = "led_ldo2"; + regulator-min-microvolt = <200000>; + regulator-max-microvolt = <300000>; + }; + }; +}; diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index fc1e0cf44995..7376af25f947 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -53,13 +53,12 @@ config COMMON_CLK_MAX9485 This driver supports Maxim 9485 Programmable Audio Clock Generator config COMMON_CLK_RK808 - tristate "Clock driver for RK805/RK808/RK818" + tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" depends on MFD_RK808 ---help--- - This driver supports RK805, RK808 and RK818 crystal oscillator clock. These - multi-function devices have two fixed-rate oscillators, - clocked at 32KHz each. Clkout1 is always on, Clkout2 can off - by control register. + This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock. + These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each. + Clkout1 is always on, Clkout2 can off by control register. config COMMON_CLK_HI655X tristate "Clock driver for Hi655x" if EXPERT @@ -293,10 +292,10 @@ config COMMON_CLK_STM32H7 config COMMON_CLK_BD718XX tristate "Clock driver for ROHM BD718x7 PMIC" - depends on MFD_ROHM_BD718XX + depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 help - This driver supports ROHM BD71837 and ROHM BD71847 - PMICs clock gates. + This driver supports ROHM BD71837, ROHM BD71847 and + ROHM BD70528 PMICs clock gates. config COMMON_CLK_FIXED_MMIO bool "Clock driver for Memory Mapped Fixed values" diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c index 60422c72d142..ae6e5baee330 100644 --- a/drivers/clk/clk-bd718x7.c +++ b/drivers/clk/clk-bd718x7.c @@ -8,6 +8,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/mfd/rohm-bd718x7.h> +#include <linux/mfd/rohm-bd70528.h> #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/regmap.h> @@ -17,7 +18,7 @@ struct bd718xx_clk { u8 reg; u8 mask; struct platform_device *pdev; - struct bd718xx *mfd; + struct rohm_regmap_dev *mfd; }; static int bd71837_clk_set(struct clk_hw *hw, int status) @@ -68,7 +69,7 @@ static int bd71837_clk_probe(struct platform_device *pdev) int rval = -ENOMEM; const char *parent_clk; struct device *parent = pdev->dev.parent; - struct bd718xx *mfd = dev_get_drvdata(parent); + struct rohm_regmap_dev *mfd = dev_get_drvdata(parent); struct clk_init_data init = { .name = "bd718xx-32k-out", .ops = &bd71837_clk_ops, @@ -86,9 +87,20 @@ static int bd71837_clk_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No parent clk found\n"); return -EINVAL; } - - c->reg = BD718XX_REG_OUT32K; - c->mask = BD718XX_OUT32K_EN; + switch (mfd->chip_type) { + case ROHM_CHIP_TYPE_BD71837: + case ROHM_CHIP_TYPE_BD71847: + c->reg = BD718XX_REG_OUT32K; + c->mask = BD718XX_OUT32K_EN; + break; + case ROHM_CHIP_TYPE_BD70528: + c->reg = BD70528_REG_CLK_OUT; + c->mask = BD70528_CLK_OUT_EN_MASK; + break; + default: + dev_err(&pdev->dev, "Unknown clk chip\n"); + return -EINVAL; + } c->mfd = mfd; c->pdev = pdev; c->hw.init = &init; @@ -119,5 +131,5 @@ static struct platform_driver bd71837_clk = { module_platform_driver(bd71837_clk); MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); -MODULE_DESCRIPTION("BD71837 chip clk driver"); +MODULE_DESCRIPTION("BD71837/BD71847/BD70528 chip clk driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c index 8d90bdf5b946..75f2cf0dfc9f 100644 --- a/drivers/clk/clk-rk808.c +++ b/drivers/clk/clk-rk808.c @@ -96,6 +96,68 @@ of_clk_rk808_get(struct of_phandle_args *clkspec, void *data) return idx ? &rk808_clkout->clkout2_hw : &rk808_clkout->clkout1_hw; } +static int rk817_clkout2_enable(struct clk_hw *hw, bool enable) +{ + struct rk808_clkout *rk808_clkout = container_of(hw, + struct rk808_clkout, + clkout2_hw); + struct rk808 *rk808 = rk808_clkout->rk808; + + return regmap_update_bits(rk808->regmap, RK817_SYS_CFG(1), + RK817_CLK32KOUT2_EN, + enable ? RK817_CLK32KOUT2_EN : 0); +} + +static int rk817_clkout2_prepare(struct clk_hw *hw) +{ + return rk817_clkout2_enable(hw, true); +} + +static void rk817_clkout2_unprepare(struct clk_hw *hw) +{ + rk817_clkout2_enable(hw, false); +} + +static int rk817_clkout2_is_prepared(struct clk_hw *hw) +{ + struct rk808_clkout *rk808_clkout = container_of(hw, + struct rk808_clkout, + clkout2_hw); + struct rk808 *rk808 = rk808_clkout->rk808; + unsigned int val; + + int ret = regmap_read(rk808->regmap, RK817_SYS_CFG(1), &val); + + if (ret < 0) + return 0; + + return (val & RK817_CLK32KOUT2_EN) ? 1 : 0; +} + +static const struct clk_ops rk817_clkout2_ops = { + .prepare = rk817_clkout2_prepare, + .unprepare = rk817_clkout2_unprepare, + .is_prepared = rk817_clkout2_is_prepared, + .recalc_rate = rk808_clkout_recalc_rate, +}; + +static const struct clk_ops *rkpmic_get_ops(long variant) +{ + switch (variant) { + case RK809_ID: + case RK817_ID: + return &rk817_clkout2_ops; + /* + * For the default case, it match the following PMIC type. + * RK805_ID + * RK808_ID + * RK818_ID + */ + default: + return &rk808_clkout2_ops; + } +} + static int rk808_clkout_probe(struct platform_device *pdev) { struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent); @@ -127,7 +189,7 @@ static int rk808_clkout_probe(struct platform_device *pdev) return ret; init.name = "rk808-clkout2"; - init.ops = &rk808_clkout2_ops; + init.ops = rkpmic_get_ops(rk808->variant); rk808_clkout->clkout2_hw.init = &init; /* optional override of the clockname */ diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 8023d03ec362..87dbbd03910d 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -977,6 +977,17 @@ config GPIO_ARIZONA help Support for GPIOs on Wolfson Arizona class devices. +config GPIO_BD70528 + tristate "ROHM BD70528 GPIO support" + depends on MFD_ROHM_BD70528 + help + Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs + available on the ROHM PMIC in total. The GPIOs can also + generate interrupts. + + This driver can also be built as a module. If so, the module + will be called gpio-bd70528. + config GPIO_BD9571MWV tristate "ROHM BD9571 GPIO support" depends on MFD_BD9571MWV diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 6700eee860b7..10efc4f743fe 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_GPIO_ATH79) += gpio-ath79.o obj-$(CONFIG_GPIO_ASPEED) += gpio-aspeed.o obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o obj-$(CONFIG_GPIO_BCM_KONA) += gpio-bcm-kona.o +obj-$(CONFIG_GPIO_BD70528) += gpio-bd70528.o obj-$(CONFIG_GPIO_BD9571MWV) += gpio-bd9571mwv.o obj-$(CONFIG_GPIO_BRCMSTB) += gpio-brcmstb.o obj-$(CONFIG_GPIO_BT8XX) += gpio-bt8xx.o diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c new file mode 100644 index 000000000000..fd85605d2dab --- /dev/null +++ b/drivers/gpio/gpio-bd70528.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 ROHM Semiconductors +// gpio-bd70528.c ROHM BD70528MWV gpio driver + +#include <linux/gpio/driver.h> +#include <linux/mfd/rohm-bd70528.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#define GPIO_IN_REG(offset) (BD70528_REG_GPIO1_IN + (offset) * 2) +#define GPIO_OUT_REG(offset) (BD70528_REG_GPIO1_OUT + (offset) * 2) + +struct bd70528_gpio { + struct rohm_regmap_dev chip; + struct gpio_chip gpio; +}; + +static int bd70528_set_debounce(struct bd70528_gpio *bdgpio, + unsigned int offset, unsigned int debounce) +{ + u8 val; + + switch (debounce) { + case 0: + val = BD70528_DEBOUNCE_DISABLE; + break; + case 1 ... 15: + val = BD70528_DEBOUNCE_15MS; + break; + case 16 ... 30: + val = BD70528_DEBOUNCE_30MS; + break; + case 31 ... 50: + val = BD70528_DEBOUNCE_50MS; + break; + default: + dev_err(bdgpio->chip.dev, + "Invalid debouce value %u\n", debounce); + return -EINVAL; + } + return regmap_update_bits(bdgpio->chip.regmap, GPIO_IN_REG(offset), + BD70528_DEBOUNCE_MASK, val); +} + +static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset) +{ + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + int val, ret; + + /* Do we need to do something to IRQs here? */ + ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val); + if (ret) { + dev_err(bdgpio->chip.dev, "Could not read gpio direction\n"); + return ret; + } + + return !(val & BD70528_GPIO_OUT_EN_MASK); +} + +static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) +{ + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + return regmap_update_bits(bdgpio->chip.regmap, + GPIO_OUT_REG(offset), + BD70528_GPIO_DRIVE_MASK, + BD70528_GPIO_OPEN_DRAIN); + break; + case PIN_CONFIG_DRIVE_PUSH_PULL: + return regmap_update_bits(bdgpio->chip.regmap, + GPIO_OUT_REG(offset), + BD70528_GPIO_DRIVE_MASK, + BD70528_GPIO_PUSH_PULL); + break; + case PIN_CONFIG_INPUT_DEBOUNCE: + return bd70528_set_debounce(bdgpio, offset, + pinconf_to_config_argument(config)); + break; + default: + break; + } + return -ENOTSUPP; +} + +static int bd70528_direction_input(struct gpio_chip *chip, unsigned int offset) +{ + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + + /* Do we need to do something to IRQs here? */ + return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset), + BD70528_GPIO_OUT_EN_MASK, + BD70528_GPIO_OUT_DISABLE); +} + +static void bd70528_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) +{ + int ret; + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + u8 val = (value) ? BD70528_GPIO_OUT_HI : BD70528_GPIO_OUT_LO; + + ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset), + BD70528_GPIO_OUT_MASK, val); + if (ret) + dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value); +} + +static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset, + int value) +{ + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + + bd70528_gpio_set(chip, offset, value); + return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset), + BD70528_GPIO_OUT_EN_MASK, + BD70528_GPIO_OUT_ENABLE); +} + +#define GPIO_IN_STATE_MASK(offset) (BD70528_GPIO_IN_STATE_BASE << (offset)) + +static int bd70528_gpio_get_o(struct bd70528_gpio *bdgpio, unsigned int offset) +{ + int ret; + unsigned int val; + + ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val); + if (!ret) + ret = !!(val & BD70528_GPIO_OUT_MASK); + else + dev_err(bdgpio->chip.dev, "GPIO (out) state read failed\n"); + + return ret; +} + +static int bd70528_gpio_get_i(struct bd70528_gpio *bdgpio, unsigned int offset) +{ + unsigned int val; + int ret; + + ret = regmap_read(bdgpio->chip.regmap, BD70528_REG_GPIO_STATE, &val); + + if (!ret) + ret = !(val & GPIO_IN_STATE_MASK(offset)); + else + dev_err(bdgpio->chip.dev, "GPIO (in) state read failed\n"); + + return ret; +} + +static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + int ret = -EINVAL; + struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); + + /* + * There is a race condition where someone might be changing the + * GPIO direction after we get it but before we read the value. But + * application design where GPIO direction may be changed just when + * we read GPIO value would be pointless as reader could not know + * whether the returned high/low state is caused by input or output. + * Or then there must be other ways to mitigate the issue. Thus + * locking would make no sense. + */ + ret = bd70528_get_direction(chip, offset); + if (ret == 0) + ret = bd70528_gpio_get_o(bdgpio, offset); + else if (ret == 1) + ret = bd70528_gpio_get_i(bdgpio, offset); + else + dev_err(bdgpio->chip.dev, "failed to read GPIO direction\n"); + + return ret; +} + +static int bd70528_probe(struct platform_device *pdev) +{ + struct bd70528_gpio *bdgpio; + struct rohm_regmap_dev *bd70528; + int ret; + + bd70528 = dev_get_drvdata(pdev->dev.parent); + if (!bd70528) { + dev_err(&pdev->dev, "No MFD driver data\n"); + return -EINVAL; + } + + bdgpio = devm_kzalloc(&pdev->dev, sizeof(*bdgpio), + GFP_KERNEL); + if (!bdgpio) + return -ENOMEM; + bdgpio->chip.dev = &pdev->dev; + bdgpio->gpio.parent = pdev->dev.parent; + bdgpio->gpio.label = "bd70528-gpio"; + bdgpio->gpio.owner = THIS_MODULE; + bdgpio->gpio.get_direction = bd70528_get_direction; + bdgpio->gpio.direction_input = bd70528_direction_input; + bdgpio->gpio.direction_output = bd70528_direction_output; + bdgpio->gpio.set_config = bd70528_gpio_set_config; + bdgpio->gpio.can_sleep = true; + bdgpio->gpio.get = bd70528_gpio_get; + bdgpio->gpio.set = bd70528_gpio_set; + bdgpio->gpio.ngpio = 4; + bdgpio->gpio.base = -1; +#ifdef CONFIG_OF_GPIO + bdgpio->gpio.of_node = pdev->dev.parent->of_node; +#endif + bdgpio->chip.regmap = bd70528->regmap; + + ret = devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio, + bdgpio); + if (ret) + dev_err(&pdev->dev, "gpio_init: Failed to add bd70528-gpio\n"); + + return ret; +} + +static struct platform_driver bd70528_gpio = { + .driver = { + .name = "bd70528-gpio" + }, + .probe = bd70528_probe, +}; + +module_platform_driver(bd70528_gpio); + +MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); +MODULE_DESCRIPTION("BD70528 voltage regulator driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 294d9567cc71..760b9e29c8e5 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1030,14 +1030,14 @@ config MFD_RC5T583 different functionality of the device. config MFD_RK808 - tristate "Rockchip RK805/RK808/RK818 Power Management Chip" + tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip" depends on I2C && OF select MFD_CORE select REGMAP_I2C select REGMAP_IRQ help - If you say yes here you get support for the RK805, RK808 and RK818 - Power Management chips. + If you say yes here you get support for the RK805, RK808, RK809, + RK817 and RK818 Power Management chips. This driver provides common support for accessing the device through I2C interface. The device supports multiple sub-devices including interrupts, RTC, LDO & DCDC regulators, and onkey. @@ -1890,6 +1890,23 @@ config MFD_ROHM_BD718XX NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring and emergency shut down as well as 32,768KHz clock output. +config MFD_ROHM_BD70528 + tristate "ROHM BD70528 Power Management IC" + depends on I2C=y + depends on OF + select REGMAP_I2C + select REGMAP_IRQ + select MFD_CORE + help + Select this option to get support for the ROHM BD70528 Power + Management IC. BD71837 is general purpose single-chip power + management IC for battery-powered portable devices. It contains + 3 ultra-low current consumption buck converters, 3 LDOs and 2 LED + drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz + crystal oscillator, high-accuracy VREF for use with an external ADC, + 10 bits SAR ADC for battery temperature monitor and 1S battery + charger. + config MFD_STM32_LPTIMER tristate "Support for STM32 Low-Power Timer" depends on (ARCH_STM32 && OF) || COMPILE_TEST diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 52b1a90ff515..643d65bcb6ea 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -247,5 +247,7 @@ obj-$(CONFIG_MFD_STM32_TIMERS) += stm32-timers.o obj-$(CONFIG_MFD_MXS_LRADC) += mxs-lradc.o obj-$(CONFIG_MFD_SC27XX_PMIC) += sprd-sc27xx-spi.o obj-$(CONFIG_RAVE_SP_CORE) += rave-sp.o +obj-$(CONFIG_MFD_ROHM_BD70528) += rohm-bd70528.o obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o obj-$(CONFIG_MFD_STMFX) += stmfx.o + diff --git a/drivers/mfd/lp87565.c b/drivers/mfd/lp87565.c index 32d2a07d4354..8ad688fe75f9 100644 --- a/drivers/mfd/lp87565.c +++ b/drivers/mfd/lp87565.c @@ -33,6 +33,10 @@ static const struct of_device_id of_lp87565_match_table[] = { .compatible = "ti,lp87565-q1", .data = (void *)LP87565_DEVICE_TYPE_LP87565_Q1, }, + { + .compatible = "ti,lp87561-q1", + .data = (void *)LP87565_DEVICE_TYPE_LP87561_Q1, + }, {} }; MODULE_DEVICE_TABLE(of, of_lp87565_match_table); diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c index 94377782d208..6ee1c461a3bb 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk808.c @@ -27,6 +27,7 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/regmap.h> +#include <linux/syscore_ops.h> struct rk808_reg_data { int addr; @@ -62,6 +63,27 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) return false; } +static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) +{ + /* + * Notes: + * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but + * we don't use that feature. It's better to cache. + */ + + switch (reg) { + case RK817_SECONDS_REG ... RK817_WEEKS_REG: + case RK817_RTC_STATUS_REG: + case RK817_INT_STS_REG0: + case RK817_INT_STS_REG1: + case RK817_INT_STS_REG2: + case RK817_SYS_STS: + return true; + } + + return true; +} + static const struct regmap_config rk818_regmap_config = { .reg_bits = 8, .val_bits = 8, |