From: Arnd Bergmann <[email protected]> Ricoh RC5T583 support was added in 2012, but no upstream code ever defined the corresponding platform_data, and there is no devicetree support, so this is all dead code.
Signed-off-by: Arnd Bergmann <[email protected]> --- drivers/mfd/Kconfig | 14 - drivers/mfd/Makefile | 1 - drivers/mfd/rc5t583-irq.c | 383 -------------------------- drivers/mfd/rc5t583.c | 299 -------------------- drivers/regulator/Kconfig | 10 - drivers/regulator/Makefile | 1 - drivers/regulator/rc5t583-regulator.c | 171 ------------ drivers/rtc/Kconfig | 10 - drivers/rtc/Makefile | 1 - drivers/rtc/rtc-rc5t583.c | 312 --------------------- include/linux/mfd/rc5t583.h | 369 ------------------------- 11 files changed, 1571 deletions(-) delete mode 100644 drivers/mfd/rc5t583-irq.c delete mode 100644 drivers/mfd/rc5t583.c delete mode 100644 drivers/regulator/rc5t583-regulator.c delete mode 100644 drivers/rtc/rtc-rc5t583.c delete mode 100644 include/linux/mfd/rc5t583.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 2cb2efafa8a4..fbcc45d2b0c4 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1291,20 +1291,6 @@ config MFD_RT5120 is targeted at providing the CPU voltage, memory, I/O and peripheral power rails in home entertainment devices. -config MFD_RC5T583 - bool "Ricoh RC5T583 Power Management system device" - depends on I2C=y - select MFD_CORE - select REGMAP_I2C - help - Select this option to get support for the RICOH583 Power - Management system device. - This driver provides common support for accessing the device - through i2c interface. The device supports multiple sub-devices - like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey. - Additional drivers must be enabled in order to use the - different functionality of the device. - config MFD_RK8XX tristate select MFD_CORE diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 8bd4c3e218bb..7aaad5855681 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -217,7 +217,6 @@ obj-$(CONFIG_MFD_INTEL_PMC_BXT) += intel_pmc_bxt.o obj-$(CONFIG_MFD_PALMAS) += palmas.o obj-$(CONFIG_MFD_VIPERBOARD) += viperboard.o obj-$(CONFIG_MFD_NTXEC) += ntxec.o -obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o obj-$(CONFIG_MFD_RK8XX) += rk8xx-core.o obj-$(CONFIG_MFD_RK8XX_I2C) += rk8xx-i2c.o obj-$(CONFIG_MFD_RK8XX_SPI) += rk8xx-spi.o diff --git a/drivers/mfd/rc5t583-irq.c b/drivers/mfd/rc5t583-irq.c deleted file mode 100644 index 97f52b671520..000000000000 --- a/drivers/mfd/rc5t583-irq.c +++ /dev/null @@ -1,383 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Interrupt driver for RICOH583 power management chip. - * - * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. - * Author: Laxman dewangan <[email protected]> - * - * based on code - * Copyright (C) 2011 RICOH COMPANY,LTD - */ -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/mfd/rc5t583.h> - -enum int_type { - SYS_INT = 0x1, - DCDC_INT = 0x2, - RTC_INT = 0x4, - ADC_INT = 0x8, - GPIO_INT = 0x10, -}; - -static int gpedge_add[] = { - RC5T583_GPIO_GPEDGE2, - RC5T583_GPIO_GPEDGE2 -}; - -static int irq_en_add[] = { - RC5T583_INT_EN_SYS1, - RC5T583_INT_EN_SYS2, - RC5T583_INT_EN_DCDC, - RC5T583_INT_EN_RTC, - RC5T583_INT_EN_ADC1, - RC5T583_INT_EN_ADC2, - RC5T583_INT_EN_ADC3, - RC5T583_GPIO_EN_INT -}; - -static int irq_mon_add[] = { - RC5T583_INT_MON_SYS1, - RC5T583_INT_MON_SYS2, - RC5T583_INT_MON_DCDC, - RC5T583_INT_MON_RTC, - RC5T583_INT_IR_ADCL, - RC5T583_INT_IR_ADCH, - RC5T583_INT_IR_ADCEND, - RC5T583_INT_IR_GPIOF, - RC5T583_INT_IR_GPIOR -}; - -static int irq_clr_add[] = { - RC5T583_INT_IR_SYS1, - RC5T583_INT_IR_SYS2, - RC5T583_INT_IR_DCDC, - RC5T583_INT_IR_RTC, - RC5T583_INT_IR_ADCL, - RC5T583_INT_IR_ADCH, - RC5T583_INT_IR_ADCEND, - RC5T583_INT_IR_GPIOF, - RC5T583_INT_IR_GPIOR -}; - -static int main_int_type[] = { - SYS_INT, - SYS_INT, - DCDC_INT, - RTC_INT, - ADC_INT, - ADC_INT, - ADC_INT, - GPIO_INT, - GPIO_INT, -}; - -struct rc5t583_irq_data { - u8 int_type; - u8 master_bit; - u8 int_en_bit; - u8 mask_reg_index; - int grp_index; -}; - -#define RC5T583_IRQ(_int_type, _master_bit, _grp_index, \ - _int_bit, _mask_ind) \ - { \ - .int_type = _int_type, \ - .master_bit = _master_bit, \ - .grp_index = _grp_index, \ - .int_en_bit = _int_bit, \ - .mask_reg_index = _mask_ind, \ - } - -static const struct rc5t583_irq_data rc5t583_irqs[RC5T583_MAX_IRQS] = { - [RC5T583_IRQ_ONKEY] = RC5T583_IRQ(SYS_INT, 0, 0, 0, 0), - [RC5T583_IRQ_ACOK] = RC5T583_IRQ(SYS_INT, 0, 1, 1, 0), - [RC5T583_IRQ_LIDOPEN] = RC5T583_IRQ(SYS_INT, 0, 2, 2, 0), - [RC5T583_IRQ_PREOT] = RC5T583_IRQ(SYS_INT, 0, 3, 3, 0), - [RC5T583_IRQ_CLKSTP] = RC5T583_IRQ(SYS_INT, 0, 4, 4, 0), - [RC5T583_IRQ_ONKEY_OFF] = RC5T583_IRQ(SYS_INT, 0, 5, 5, 0), - [RC5T583_IRQ_WD] = RC5T583_IRQ(SYS_INT, 0, 7, 7, 0), - [RC5T583_IRQ_EN_PWRREQ1] = RC5T583_IRQ(SYS_INT, 0, 8, 0, 1), - [RC5T583_IRQ_EN_PWRREQ2] = RC5T583_IRQ(SYS_INT, 0, 9, 1, 1), - [RC5T583_IRQ_PRE_VINDET] = RC5T583_IRQ(SYS_INT, 0, 10, 2, 1), - - [RC5T583_IRQ_DC0LIM] = RC5T583_IRQ(DCDC_INT, 1, 0, 0, 2), - [RC5T583_IRQ_DC1LIM] = RC5T583_IRQ(DCDC_INT, 1, 1, 1, 2), - [RC5T583_IRQ_DC2LIM] = RC5T583_IRQ(DCDC_INT, 1, 2, 2, 2), - [RC5T583_IRQ_DC3LIM] = RC5T583_IRQ(DCDC_INT, 1, 3, 3, 2), - - [RC5T583_IRQ_CTC] = RC5T583_IRQ(RTC_INT, 2, 0, 0, 3), - [RC5T583_IRQ_YALE] = RC5T583_IRQ(RTC_INT, 2, 5, 5, 3), - [RC5T583_IRQ_DALE] = RC5T583_IRQ(RTC_INT, 2, 6, 6, 3), - [RC5T583_IRQ_WALE] = RC5T583_IRQ(RTC_INT, 2, 7, 7, 3), - - [RC5T583_IRQ_AIN1L] = RC5T583_IRQ(ADC_INT, 3, 0, 0, 4), - [RC5T583_IRQ_AIN2L] = RC5T583_IRQ(ADC_INT, 3, 1, 1, 4), - [RC5T583_IRQ_AIN3L] = RC5T583_IRQ(ADC_INT, 3, 2, 2, 4), - [RC5T583_IRQ_VBATL] = RC5T583_IRQ(ADC_INT, 3, 3, 3, 4), - [RC5T583_IRQ_VIN3L] = RC5T583_IRQ(ADC_INT, 3, 4, 4, 4), - [RC5T583_IRQ_VIN8L] = RC5T583_IRQ(ADC_INT, 3, 5, 5, 4), - [RC5T583_IRQ_AIN1H] = RC5T583_IRQ(ADC_INT, 3, 6, 0, 5), - [RC5T583_IRQ_AIN2H] = RC5T583_IRQ(ADC_INT, 3, 7, 1, 5), - [RC5T583_IRQ_AIN3H] = RC5T583_IRQ(ADC_INT, 3, 8, 2, 5), - [RC5T583_IRQ_VBATH] = RC5T583_IRQ(ADC_INT, 3, 9, 3, 5), - [RC5T583_IRQ_VIN3H] = RC5T583_IRQ(ADC_INT, 3, 10, 4, 5), - [RC5T583_IRQ_VIN8H] = RC5T583_IRQ(ADC_INT, 3, 11, 5, 5), - [RC5T583_IRQ_ADCEND] = RC5T583_IRQ(ADC_INT, 3, 12, 0, 6), - - [RC5T583_IRQ_GPIO0] = RC5T583_IRQ(GPIO_INT, 4, 0, 0, 7), - [RC5T583_IRQ_GPIO1] = RC5T583_IRQ(GPIO_INT, 4, 1, 1, 7), - [RC5T583_IRQ_GPIO2] = RC5T583_IRQ(GPIO_INT, 4, 2, 2, 7), - [RC5T583_IRQ_GPIO3] = RC5T583_IRQ(GPIO_INT, 4, 3, 3, 7), - [RC5T583_IRQ_GPIO4] = RC5T583_IRQ(GPIO_INT, 4, 4, 4, 7), - [RC5T583_IRQ_GPIO5] = RC5T583_IRQ(GPIO_INT, 4, 5, 5, 7), - [RC5T583_IRQ_GPIO6] = RC5T583_IRQ(GPIO_INT, 4, 6, 6, 7), - [RC5T583_IRQ_GPIO7] = RC5T583_IRQ(GPIO_INT, 4, 7, 7, 7), -}; - -static void rc5t583_irq_lock(struct irq_data *irq_data) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - mutex_lock(&rc5t583->irq_lock); -} - -static void rc5t583_irq_unmask(struct irq_data *irq_data) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - unsigned int __irq = irq_data->irq - rc5t583->irq_base; - const struct rc5t583_irq_data *data = &rc5t583_irqs[__irq]; - - rc5t583->group_irq_en[data->grp_index] |= 1 << data->grp_index; - rc5t583->intc_inten_reg |= 1 << data->master_bit; - rc5t583->irq_en_reg[data->mask_reg_index] |= 1 << data->int_en_bit; -} - -static void rc5t583_irq_mask(struct irq_data *irq_data) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - unsigned int __irq = irq_data->irq - rc5t583->irq_base; - const struct rc5t583_irq_data *data = &rc5t583_irqs[__irq]; - - rc5t583->group_irq_en[data->grp_index] &= ~(1 << data->grp_index); - if (!rc5t583->group_irq_en[data->grp_index]) - rc5t583->intc_inten_reg &= ~(1 << data->master_bit); - - rc5t583->irq_en_reg[data->mask_reg_index] &= ~(1 << data->int_en_bit); -} - -static int rc5t583_irq_set_type(struct irq_data *irq_data, unsigned int type) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - unsigned int __irq = irq_data->irq - rc5t583->irq_base; - const struct rc5t583_irq_data *data = &rc5t583_irqs[__irq]; - int val = 0; - int gpedge_index; - int gpedge_bit_pos; - - /* Supporting only trigger level inetrrupt */ - if ((data->int_type & GPIO_INT) && (type & IRQ_TYPE_EDGE_BOTH)) { - gpedge_index = data->int_en_bit / 4; - gpedge_bit_pos = data->int_en_bit % 4; - - if (type & IRQ_TYPE_EDGE_FALLING) - val |= 0x2; - - if (type & IRQ_TYPE_EDGE_RISING) - val |= 0x1; - - rc5t583->gpedge_reg[gpedge_index] &= ~(3 << gpedge_bit_pos); - rc5t583->gpedge_reg[gpedge_index] |= (val << gpedge_bit_pos); - rc5t583_irq_unmask(irq_data); - return 0; - } - return -EINVAL; -} - -static void rc5t583_irq_sync_unlock(struct irq_data *irq_data) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - int i; - int ret; - - for (i = 0; i < ARRAY_SIZE(rc5t583->gpedge_reg); i++) { - ret = rc5t583_write(rc5t583->dev, gpedge_add[i], - rc5t583->gpedge_reg[i]); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - gpedge_add[i], ret); - } - - for (i = 0; i < ARRAY_SIZE(rc5t583->irq_en_reg); i++) { - ret = rc5t583_write(rc5t583->dev, irq_en_add[i], - rc5t583->irq_en_reg[i]); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - irq_en_add[i], ret); - } - - ret = rc5t583_write(rc5t583->dev, RC5T583_INTC_INTEN, - rc5t583->intc_inten_reg); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - RC5T583_INTC_INTEN, ret); - - mutex_unlock(&rc5t583->irq_lock); -} - -static int rc5t583_irq_set_wake(struct irq_data *irq_data, unsigned int on) -{ - struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); - return irq_set_irq_wake(rc5t583->chip_irq, on); -} - -static irqreturn_t rc5t583_irq(int irq, void *data) -{ - struct rc5t583 *rc5t583 = data; - uint8_t int_sts[RC5T583_MAX_INTERRUPT_MASK_REGS]; - uint8_t master_int = 0; - int i; - int ret; - unsigned int rtc_int_sts = 0; - - /* Clear the status */ - for (i = 0; i < RC5T583_MAX_INTERRUPT_MASK_REGS; i++) - int_sts[i] = 0; - - ret = rc5t583_read(rc5t583->dev, RC5T583_INTC_INTMON, &master_int); - if (ret < 0) { - dev_err(rc5t583->dev, - "Error in reading reg 0x%02x error: %d\n", - RC5T583_INTC_INTMON, ret); - return IRQ_HANDLED; - } - - for (i = 0; i < RC5T583_MAX_INTERRUPT_MASK_REGS; ++i) { - if (!(master_int & main_int_type[i])) - continue; - - ret = rc5t583_read(rc5t583->dev, irq_mon_add[i], &int_sts[i]); - if (ret < 0) { - dev_warn(rc5t583->dev, - "Error in reading reg 0x%02x error: %d\n", - irq_mon_add[i], ret); - int_sts[i] = 0; - continue; - } - - if (main_int_type[i] & RTC_INT) { - rtc_int_sts = 0; - if (int_sts[i] & 0x1) - rtc_int_sts |= BIT(6); - if (int_sts[i] & 0x2) - rtc_int_sts |= BIT(7); - if (int_sts[i] & 0x4) - rtc_int_sts |= BIT(0); - if (int_sts[i] & 0x8) - rtc_int_sts |= BIT(5); - } - - ret = rc5t583_write(rc5t583->dev, irq_clr_add[i], - ~int_sts[i]); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in reading reg 0x%02x error: %d\n", - irq_clr_add[i], ret); - - if (main_int_type[i] & RTC_INT) - int_sts[i] = rtc_int_sts; - } - - /* Merge gpio interrupts for rising and falling case*/ - int_sts[7] |= int_sts[8]; - - /* Call interrupt handler if enabled */ - for (i = 0; i < RC5T583_MAX_IRQS; ++i) { - const struct rc5t583_irq_data *data = &rc5t583_irqs[i]; - if ((int_sts[data->mask_reg_index] & (1 << data->int_en_bit)) && - (rc5t583->group_irq_en[data->master_bit] & - (1 << data->grp_index))) - handle_nested_irq(rc5t583->irq_base + i); - } - - return IRQ_HANDLED; -} - -static struct irq_chip rc5t583_irq_chip = { - .name = "rc5t583-irq", - .irq_mask = rc5t583_irq_mask, - .irq_unmask = rc5t583_irq_unmask, - .irq_bus_lock = rc5t583_irq_lock, - .irq_bus_sync_unlock = rc5t583_irq_sync_unlock, - .irq_set_type = rc5t583_irq_set_type, - .irq_set_wake = pm_sleep_ptr(rc5t583_irq_set_wake), -}; - -int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base) -{ - int i, ret; - - if (!irq_base) { - dev_warn(rc5t583->dev, "No interrupt support on IRQ base\n"); - return -EINVAL; - } - - mutex_init(&rc5t583->irq_lock); - - /* Initailize all int register to 0 */ - for (i = 0; i < RC5T583_MAX_INTERRUPT_EN_REGS; i++) { - ret = rc5t583_write(rc5t583->dev, irq_en_add[i], - rc5t583->irq_en_reg[i]); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - irq_en_add[i], ret); - } - - for (i = 0; i < RC5T583_MAX_GPEDGE_REG; i++) { - ret = rc5t583_write(rc5t583->dev, gpedge_add[i], - rc5t583->gpedge_reg[i]); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - gpedge_add[i], ret); - } - - ret = rc5t583_write(rc5t583->dev, RC5T583_INTC_INTEN, 0x0); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - RC5T583_INTC_INTEN, ret); - - /* Clear all interrupts in case they woke up active. */ - for (i = 0; i < RC5T583_MAX_INTERRUPT_MASK_REGS; i++) { - ret = rc5t583_write(rc5t583->dev, irq_clr_add[i], 0); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - irq_clr_add[i], ret); - } - - rc5t583->irq_base = irq_base; - rc5t583->chip_irq = irq; - - for (i = 0; i < RC5T583_MAX_IRQS; i++) { - int __irq = i + rc5t583->irq_base; - irq_set_chip_data(__irq, rc5t583); - irq_set_chip_and_handler(__irq, &rc5t583_irq_chip, - handle_simple_irq); - irq_set_nested_thread(__irq, 1); - irq_clear_status_flags(__irq, IRQ_NOREQUEST); - } - - ret = devm_request_threaded_irq(rc5t583->dev, irq, NULL, rc5t583_irq, - IRQF_ONESHOT, "rc5t583", rc5t583); - if (ret < 0) - dev_err(rc5t583->dev, - "Error in registering interrupt error: %d\n", ret); - return ret; -} diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c deleted file mode 100644 index 2c0e8e9630f7..000000000000 --- a/drivers/mfd/rc5t583.c +++ /dev/null @@ -1,299 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Core driver access RC5T583 power management chip. - * - * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. - * Author: Laxman dewangan <[email protected]> - * - * Based on code - * Copyright (C) 2011 RICOH COMPANY,LTD - */ -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/mfd/core.h> -#include <linux/mfd/rc5t583.h> -#include <linux/regmap.h> - -#define RICOH_ONOFFSEL_REG 0x10 -#define RICOH_SWCTL_REG 0x5E - -struct deepsleep_control_data { - u8 reg_add; - u8 ds_pos_bit; -}; - -#define DEEPSLEEP_INIT(_id, _reg, _pos) \ - { \ - .reg_add = RC5T583_##_reg, \ - .ds_pos_bit = _pos, \ - } - -static struct deepsleep_control_data deepsleep_data[] = { - DEEPSLEEP_INIT(DC0, SLPSEQ1, 0), - DEEPSLEEP_INIT(DC1, SLPSEQ1, 4), - DEEPSLEEP_INIT(DC2, SLPSEQ2, 0), - DEEPSLEEP_INIT(DC3, SLPSEQ2, 4), - DEEPSLEEP_INIT(LDO0, SLPSEQ3, 0), - DEEPSLEEP_INIT(LDO1, SLPSEQ3, 4), - DEEPSLEEP_INIT(LDO2, SLPSEQ4, 0), - DEEPSLEEP_INIT(LDO3, SLPSEQ4, 4), - DEEPSLEEP_INIT(LDO4, SLPSEQ5, 0), - DEEPSLEEP_INIT(LDO5, SLPSEQ5, 4), - DEEPSLEEP_INIT(LDO6, SLPSEQ6, 0), - DEEPSLEEP_INIT(LDO7, SLPSEQ6, 4), - DEEPSLEEP_INIT(LDO8, SLPSEQ7, 0), - DEEPSLEEP_INIT(LDO9, SLPSEQ7, 4), - DEEPSLEEP_INIT(PSO0, SLPSEQ8, 0), - DEEPSLEEP_INIT(PSO1, SLPSEQ8, 4), - DEEPSLEEP_INIT(PSO2, SLPSEQ9, 0), - DEEPSLEEP_INIT(PSO3, SLPSEQ9, 4), - DEEPSLEEP_INIT(PSO4, SLPSEQ10, 0), - DEEPSLEEP_INIT(PSO5, SLPSEQ10, 4), - DEEPSLEEP_INIT(PSO6, SLPSEQ11, 0), - DEEPSLEEP_INIT(PSO7, SLPSEQ11, 4), -}; - -#define EXT_PWR_REQ \ - (RC5T583_EXT_PWRREQ1_CONTROL | RC5T583_EXT_PWRREQ2_CONTROL) - -static const struct mfd_cell rc5t583_subdevs[] = { - {.name = "rc5t583-gpio",}, - {.name = "rc5t583-regulator",}, - {.name = "rc5t583-rtc", }, - {.name = "rc5t583-key", } -}; - -static int __rc5t583_set_ext_pwrreq1_control(struct device *dev, - int id, int ext_pwr, int slots) -{ - int ret; - uint8_t sleepseq_val = 0; - unsigned int en_bit; - unsigned int slot_bit; - - if (id == RC5T583_DS_DC0) { - dev_err(dev, "PWRREQ1 is invalid control for rail %d\n", id); - return -EINVAL; - } - - en_bit = deepsleep_data[id].ds_pos_bit; - slot_bit = en_bit + 1; - ret = rc5t583_read(dev, deepsleep_data[id].reg_add, &sleepseq_val); - if (ret < 0) { - dev_err(dev, "Error in reading reg 0x%x\n", - deepsleep_data[id].reg_add); - return ret; - } - - sleepseq_val &= ~(0xF << en_bit); - sleepseq_val |= BIT(en_bit); - sleepseq_val |= ((slots & 0x7) << slot_bit); - ret = rc5t583_set_bits(dev, RICOH_ONOFFSEL_REG, BIT(1)); - if (ret < 0) { - dev_err(dev, "Error in updating the 0x%02x register\n", - RICOH_ONOFFSEL_REG); - return ret; - } - - ret = rc5t583_write(dev, deepsleep_data[id].reg_add, sleepseq_val); - if (ret < 0) { - dev_err(dev, "Error in writing reg 0x%x\n", - deepsleep_data[id].reg_add); - return ret; - } - - if (id == RC5T583_DS_LDO4) { - ret = rc5t583_write(dev, RICOH_SWCTL_REG, 0x1); - if (ret < 0) - dev_err(dev, "Error in writing reg 0x%x\n", - RICOH_SWCTL_REG); - } - return ret; -} - -static int __rc5t583_set_ext_pwrreq2_control(struct device *dev, - int id, int ext_pwr) -{ - int ret; - - if (id != RC5T583_DS_DC0) { - dev_err(dev, "PWRREQ2 is invalid control for rail %d\n", id); - return -EINVAL; - } - - ret = rc5t583_set_bits(dev, RICOH_ONOFFSEL_REG, BIT(2)); - if (ret < 0) - dev_err(dev, "Error in updating the ONOFFSEL 0x10 register\n"); - return ret; -} - -int rc5t583_ext_power_req_config(struct device *dev, int ds_id, - int ext_pwr_req, int deepsleep_slot_nr) -{ - if ((ext_pwr_req & EXT_PWR_REQ) == EXT_PWR_REQ) - return -EINVAL; - - if (ext_pwr_req & RC5T583_EXT_PWRREQ1_CONTROL) - return __rc5t583_set_ext_pwrreq1_control(dev, ds_id, - ext_pwr_req, deepsleep_slot_nr); - - if (ext_pwr_req & RC5T583_EXT_PWRREQ2_CONTROL) - return __rc5t583_set_ext_pwrreq2_control(dev, - ds_id, ext_pwr_req); - return 0; -} -EXPORT_SYMBOL(rc5t583_ext_power_req_config); - -static int rc5t583_clear_ext_power_req(struct rc5t583 *rc5t583, - struct rc5t583_platform_data *pdata) -{ - int ret; - int i; - uint8_t on_off_val = 0; - - /* Clear ONOFFSEL register */ - if (pdata->enable_shutdown) - on_off_val = 0x1; - - ret = rc5t583_write(rc5t583->dev, RICOH_ONOFFSEL_REG, on_off_val); - if (ret < 0) - dev_warn(rc5t583->dev, "Error in writing reg %d error: %d\n", - RICOH_ONOFFSEL_REG, ret); - - ret = rc5t583_write(rc5t583->dev, RICOH_SWCTL_REG, 0x0); - if (ret < 0) - dev_warn(rc5t583->dev, "Error in writing reg %d error: %d\n", - RICOH_SWCTL_REG, ret); - - /* Clear sleep sequence register */ - for (i = RC5T583_SLPSEQ1; i <= RC5T583_SLPSEQ11; ++i) { - ret = rc5t583_write(rc5t583->dev, i, 0x0); - if (ret < 0) - dev_warn(rc5t583->dev, - "Error in writing reg 0x%02x error: %d\n", - i, ret); - } - return 0; -} - -static bool volatile_reg(struct device *dev, unsigned int reg) -{ - /* Enable caching in interrupt registers */ - switch (reg) { - case RC5T583_INT_EN_SYS1: - case RC5T583_INT_EN_SYS2: - case RC5T583_INT_EN_DCDC: - case RC5T583_INT_EN_RTC: - case RC5T583_INT_EN_ADC1: - case RC5T583_INT_EN_ADC2: - case RC5T583_INT_EN_ADC3: - case RC5T583_GPIO_GPEDGE1: - case RC5T583_GPIO_GPEDGE2: - case RC5T583_GPIO_EN_INT: - return false; - - case RC5T583_GPIO_MON_IOIN: - /* This is gpio input register */ - return true; - - default: - /* Enable caching in gpio registers */ - if ((reg >= RC5T583_GPIO_IOSEL) && - (reg <= RC5T583_GPIO_GPOFUNC)) - return false; - - /* Enable caching in sleep seq registers */ - if ((reg >= RC5T583_SLPSEQ1) && (reg <= RC5T583_SLPSEQ11)) - return false; - - /* Enable caching of regulator registers */ - if ((reg >= RC5T583_REG_DC0CTL) && (reg <= RC5T583_REG_SR3CTL)) - return false; - if ((reg >= RC5T583_REG_LDOEN1) && - (reg <= RC5T583_REG_LDO9DAC_DS)) - return false; - - break; - } - - return true; -} - -static const struct regmap_config rc5t583_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .volatile_reg = volatile_reg, - .max_register = RC5T583_MAX_REG, - .num_reg_defaults_raw = RC5T583_NUM_REGS, - .cache_type = REGCACHE_MAPLE, -}; - -static int rc5t583_i2c_probe(struct i2c_client *i2c) -{ - struct rc5t583 *rc5t583; - struct rc5t583_platform_data *pdata = dev_get_platdata(&i2c->dev); - int ret; - - if (!pdata) { - dev_err(&i2c->dev, "Err: Platform data not found\n"); - return -EINVAL; - } - - rc5t583 = devm_kzalloc(&i2c->dev, sizeof(*rc5t583), GFP_KERNEL); - if (!rc5t583) - return -ENOMEM; - - rc5t583->dev = &i2c->dev; - i2c_set_clientdata(i2c, rc5t583); - - rc5t583->regmap = devm_regmap_init_i2c(i2c, &rc5t583_regmap_config); - if (IS_ERR(rc5t583->regmap)) { - ret = PTR_ERR(rc5t583->regmap); - dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret); - return ret; - } - - ret = rc5t583_clear_ext_power_req(rc5t583, pdata); - if (ret < 0) - return ret; - - if (i2c->irq) { - ret = rc5t583_irq_init(rc5t583, i2c->irq, pdata->irq_base); - /* Still continue with warning, if irq init fails */ - if (ret) - dev_warn(&i2c->dev, "IRQ init failed: %d\n", ret); - } - - ret = devm_mfd_add_devices(rc5t583->dev, -1, rc5t583_subdevs, - ARRAY_SIZE(rc5t583_subdevs), NULL, 0, NULL); - if (ret) { - dev_err(&i2c->dev, "add mfd devices failed: %d\n", ret); - return ret; - } - - return 0; -} - -static const struct i2c_device_id rc5t583_i2c_id[] = { - {.name = "rc5t583", .driver_data = 0}, - {} -}; - -static struct i2c_driver rc5t583_i2c_driver = { - .driver = { - .name = "rc5t583", - }, - .probe = rc5t583_i2c_probe, - .id_table = rc5t583_i2c_id, -}; - -static int __init rc5t583_i2c_init(void) -{ - return i2c_add_driver(&rc5t583_i2c_driver); -} -subsys_initcall(rc5t583_i2c_init); diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 12d883e729bc..2d5eb954d122 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1214,16 +1214,6 @@ config REGULATOR_RASPBERRYPI_TOUCHSCREEN_V2 unit. The regulator is used to enable power to the display and to control backlight PWM. -config REGULATOR_RC5T583 - tristate "RICOH RC5T583 Power regulators" - depends on MFD_RC5T583 - help - Select this option to enable the power regulator of RICOH - PMIC RC5T583. - This driver supports the control of different power rails of device - through regulator interface. The device supports multiple DCDC/LDO - outputs which can be controlled by i2c communication. - config REGULATOR_RK808 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power regulators" depends on MFD_RK8XX diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 321c6ea73ee0..861f86c30c73 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -140,7 +140,6 @@ obj-$(CONFIG_REGULATOR_PBIAS) += pbias-regulator.o obj-$(CONFIG_REGULATOR_RAA215300) += raa215300.o obj-$(CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY) += rpi-panel-attiny-regulator.o obj-$(CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_V2) += rpi-panel-v2-regulator.o -obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o obj-$(CONFIG_REGULATOR_RK808) += rk808-regulator.o obj-$(CONFIG_REGULATOR_RN5T618) += rn5t618-regulator.o obj-$(CONFIG_REGULATOR_ROHM) += rohm-regulator.o diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c deleted file mode 100644 index a25a141e86c4..000000000000 --- a/drivers/regulator/rc5t583-regulator.c +++ /dev/null @@ -1,171 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Regulator driver for RICOH RC5T583 power management chip. - * - * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. - * Author: Laxman dewangan <[email protected]> - * - * based on code - * Copyright (C) 2011 RICOH COMPANY,LTD - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/regulator/driver.h> -#include <linux/regulator/machine.h> -#include <linux/mfd/rc5t583.h> - -struct rc5t583_regulator_info { - int deepsleep_id; - - /* Regulator register address.*/ - uint8_t reg_disc_reg; - uint8_t disc_bit; - uint8_t deepsleep_reg; - - /* Regulator specific turn-on delay and voltage settling time*/ - int enable_uv_per_us; - - /* Used by regulator core */ - struct regulator_desc desc; -}; - -static int rc5t583_regulator_enable_time(struct regulator_dev *rdev) -{ - struct rc5t583_regulator_info *reg_info = rdev_get_drvdata(rdev); - int vsel = regulator_get_voltage_sel_regmap(rdev); - int curr_uV = regulator_list_voltage_linear(rdev, vsel); - - return DIV_ROUND_UP(curr_uV, reg_info->enable_uv_per_us); -} - -static const struct regulator_ops rc5t583_ops = { - .is_enabled = regulator_is_enabled_regmap, - .enable = regulator_enable_regmap, - .disable = regulator_disable_regmap, - .enable_time = rc5t583_regulator_enable_time, - .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, - .list_voltage = regulator_list_voltage_linear, - .map_voltage = regulator_map_voltage_linear, - .set_voltage_time_sel = regulator_set_voltage_time_sel, -}; - -#define RC5T583_REG(_id, _en_reg, _en_bit, _disc_reg, _disc_bit, \ - _vout_mask, _min_mv, _max_mv, _step_uV, _enable_mv) \ -{ \ - .reg_disc_reg = RC5T583_REG_##_disc_reg, \ - .disc_bit = _disc_bit, \ - .deepsleep_reg = RC5T583_REG_##_id##DAC_DS, \ - .enable_uv_per_us = _enable_mv * 1000, \ - .deepsleep_id = RC5T583_DS_##_id, \ - .desc = { \ - .name = "rc5t583-regulator-"#_id, \ - .id = RC5T583_REGULATOR_##_id, \ - .n_voltages = (_max_mv - _min_mv) * 1000 / _step_uV + 1, \ - .ops = &rc5t583_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - .vsel_reg = RC5T583_REG_##_id##DAC, \ - .vsel_mask = _vout_mask, \ - .enable_reg = RC5T583_REG_##_en_reg, \ - .enable_mask = BIT(_en_bit), \ - .min_uV = _min_mv * 1000, \ - .uV_step = _step_uV, \ - .ramp_delay = 40 * 1000, \ - }, \ -} - -static struct rc5t583_regulator_info rc5t583_reg_info[RC5T583_REGULATOR_MAX] = { - RC5T583_REG(DC0, DC0CTL, 0, DC0CTL, 1, 0x7F, 700, 1500, 12500, 4), - RC5T583_REG(DC1, DC1CTL, 0, DC1CTL, 1, 0x7F, 700, 1500, 12500, 14), - RC5T583_REG(DC2, DC2CTL, 0, DC2CTL, 1, 0x7F, 900, 2400, 12500, 14), - RC5T583_REG(DC3, DC3CTL, 0, DC3CTL, 1, 0x7F, 900, 2400, 12500, 14), - RC5T583_REG(LDO0, LDOEN2, 0, LDODIS2, 0, 0x7F, 900, 3400, 25000, 160), - RC5T583_REG(LDO1, LDOEN2, 1, LDODIS2, 1, 0x7F, 900, 3400, 25000, 160), - RC5T583_REG(LDO2, LDOEN2, 2, LDODIS2, 2, 0x7F, 900, 3400, 25000, 160), - RC5T583_REG(LDO3, LDOEN2, 3, LDODIS2, 3, 0x7F, 900, 3400, 25000, 160), - RC5T583_REG(LDO4, LDOEN2, 4, LDODIS2, 4, 0x3F, 750, 1500, 12500, 133), - RC5T583_REG(LDO5, LDOEN2, 5, LDODIS2, 5, 0x7F, 900, 3400, 25000, 267), - RC5T583_REG(LDO6, LDOEN2, 6, LDODIS2, 6, 0x7F, 900, 3400, 25000, 133), - RC5T583_REG(LDO7, LDOEN2, 7, LDODIS2, 7, 0x7F, 900, 3400, 25000, 233), - RC5T583_REG(LDO8, LDOEN1, 0, LDODIS1, 0, 0x7F, 900, 3400, 25000, 233), - RC5T583_REG(LDO9, LDOEN1, 1, LDODIS1, 1, 0x7F, 900, 3400, 25000, 133), -}; - -static int rc5t583_regulator_probe(struct platform_device *pdev) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent); - struct rc5t583_platform_data *pdata = dev_get_platdata(rc5t583->dev); - struct regulator_config config = { }; - struct regulator_dev *rdev; - struct rc5t583_regulator_info *ri; - int ret; - int id; - - if (!pdata) { - dev_err(&pdev->dev, "No platform data, exiting...\n"); - return -ENODEV; - } - - for (id = 0; id < RC5T583_REGULATOR_MAX; ++id) { - ri = &rc5t583_reg_info[id]; - - if (ri->deepsleep_id == RC5T583_DS_NONE) - goto skip_ext_pwr_config; - - ret = rc5t583_ext_power_req_config(rc5t583->dev, - ri->deepsleep_id, - pdata->regulator_ext_pwr_control[id], - pdata->regulator_deepsleep_slot[id]); - /* - * Configuring external control is not a major issue, - * just give warning. - */ - if (ret < 0) - dev_warn(&pdev->dev, - "Failed to configure ext control %d\n", id); - -skip_ext_pwr_config: - config.dev = &pdev->dev; - config.init_data = pdata->reg_init_data[id]; - config.driver_data = ri; - config.regmap = rc5t583->regmap; - - rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); - if (IS_ERR(rdev)) { - dev_err(&pdev->dev, "Failed to register regulator %s\n", - ri->desc.name); - return PTR_ERR(rdev); - } - } - return 0; -} - -static struct platform_driver rc5t583_regulator_driver = { - .driver = { - .name = "rc5t583-regulator", - .probe_type = PROBE_PREFER_ASYNCHRONOUS, - }, - .probe = rc5t583_regulator_probe, -}; - -static int __init rc5t583_regulator_init(void) -{ - return platform_driver_register(&rc5t583_regulator_driver); -} -subsys_initcall(rc5t583_regulator_init); - -static void __exit rc5t583_regulator_exit(void) -{ - platform_driver_unregister(&rc5t583_regulator_driver); -} -module_exit(rc5t583_regulator_exit); - -MODULE_AUTHOR("Laxman Dewangan <[email protected]>"); -MODULE_DESCRIPTION("RC5T583 regulator driver"); -MODULE_ALIAS("platform:rc5t583-regulator"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index c201948b4d5b..c71398368f6d 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -630,16 +630,6 @@ config RTC_DRV_TPS65910 This driver can also be built as a module. If so, the module will be called rtc-tps65910. -config RTC_DRV_RC5T583 - tristate "RICOH 5T583 RTC driver" - depends on MFD_RC5T583 - help - If you say yes here you get support for the RTC on the - RICOH 5T583 chips. - - This driver can also be built as a module. If so, the module - will be called rtc-rc5t583. - config RTC_DRV_RC5T619 tristate "RICOH RC5T619 RTC driver" depends on MFD_RN5T618 diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 84bb2af5849e..b8fc1a17d27f 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -143,7 +143,6 @@ obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o obj-$(CONFIG_RTC_DRV_R7301) += rtc-r7301.o obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o -obj-$(CONFIG_RTC_DRV_RC5T583) += rtc-rc5t583.o obj-$(CONFIG_RTC_DRV_RC5T619) += rtc-rc5t619.o obj-$(CONFIG_RTC_DRV_RK808) += rtc-rk808.o obj-$(CONFIG_RTC_DRV_RP5C01) += rtc-rp5c01.o diff --git a/drivers/rtc/rtc-rc5t583.c b/drivers/rtc/rtc-rc5t583.c deleted file mode 100644 index 8ba9cda74acf..000000000000 --- a/drivers/rtc/rtc-rc5t583.c +++ /dev/null @@ -1,312 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * rtc-rc5t583.c -- RICOH RC5T583 Real Time Clock - * - * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. - * Author: Venu Byravarasu <[email protected]> - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/rtc.h> -#include <linux/bcd.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/mfd/rc5t583.h> - -struct rc5t583_rtc { - struct rtc_device *rtc; - /* To store the list of enabled interrupts, during system suspend */ - u32 irqen; -}; - -/* Total number of RTC registers needed to set time*/ -#define NUM_TIME_REGS (RC5T583_RTC_YEAR - RC5T583_RTC_SEC + 1) - -/* Total number of RTC registers needed to set Y-Alarm*/ -#define NUM_YAL_REGS (RC5T583_RTC_AY_YEAR - RC5T583_RTC_AY_MIN + 1) - -/* Set Y-Alarm interrupt */ -#define SET_YAL BIT(5) - -/* Get Y-Alarm interrupt status*/ -#define GET_YAL_STATUS BIT(3) - -static int rc5t583_rtc_alarm_irq_enable(struct device *dev, unsigned enabled) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - u8 val; - - /* Set Y-Alarm, based on 'enabled' */ - val = enabled ? SET_YAL : 0; - - return regmap_update_bits(rc5t583->regmap, RC5T583_RTC_CTL1, SET_YAL, - val); -} - -/* - * Gets current rc5t583 RTC time and date parameters. - * - * The RTC's time/alarm representation is not what gmtime(3) requires - * Linux to use: - * - * - Months are 1..12 vs Linux 0-11 - * - Years are 0..99 vs Linux 1900..N (we assume 21st century) - */ -static int rc5t583_rtc_read_time(struct device *dev, struct rtc_time *tm) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - u8 rtc_data[NUM_TIME_REGS]; - int ret; - - ret = regmap_bulk_read(rc5t583->regmap, RC5T583_RTC_SEC, rtc_data, - NUM_TIME_REGS); - if (ret < 0) { - dev_err(dev, "RTC read time failed with err:%d\n", ret); - return ret; - } - - tm->tm_sec = bcd2bin(rtc_data[0]); - tm->tm_min = bcd2bin(rtc_data[1]); - tm->tm_hour = bcd2bin(rtc_data[2]); - tm->tm_wday = bcd2bin(rtc_data[3]); - tm->tm_mday = bcd2bin(rtc_data[4]); - tm->tm_mon = bcd2bin(rtc_data[5]) - 1; - tm->tm_year = bcd2bin(rtc_data[6]) + 100; - - return ret; -} - -static int rc5t583_rtc_set_time(struct device *dev, struct rtc_time *tm) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - unsigned char rtc_data[NUM_TIME_REGS]; - int ret; - - rtc_data[0] = bin2bcd(tm->tm_sec); - rtc_data[1] = bin2bcd(tm->tm_min); - rtc_data[2] = bin2bcd(tm->tm_hour); - rtc_data[3] = bin2bcd(tm->tm_wday); - rtc_data[4] = bin2bcd(tm->tm_mday); - rtc_data[5] = bin2bcd(tm->tm_mon + 1); - rtc_data[6] = bin2bcd(tm->tm_year - 100); - - ret = regmap_bulk_write(rc5t583->regmap, RC5T583_RTC_SEC, rtc_data, - NUM_TIME_REGS); - if (ret < 0) { - dev_err(dev, "RTC set time failed with error %d\n", ret); - return ret; - } - - return ret; -} - -static int rc5t583_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - unsigned char alarm_data[NUM_YAL_REGS]; - u32 interrupt_enable; - int ret; - - ret = regmap_bulk_read(rc5t583->regmap, RC5T583_RTC_AY_MIN, alarm_data, - NUM_YAL_REGS); - if (ret < 0) { - dev_err(dev, "rtc_read_alarm error %d\n", ret); - return ret; - } - - alm->time.tm_sec = 0; - alm->time.tm_min = bcd2bin(alarm_data[0]); - alm->time.tm_hour = bcd2bin(alarm_data[1]); - alm->time.tm_mday = bcd2bin(alarm_data[2]); - alm->time.tm_mon = bcd2bin(alarm_data[3]) - 1; - alm->time.tm_year = bcd2bin(alarm_data[4]) + 100; - - ret = regmap_read(rc5t583->regmap, RC5T583_RTC_CTL1, &interrupt_enable); - if (ret < 0) - return ret; - - /* check if YALE is set */ - if (interrupt_enable & SET_YAL) - alm->enabled = 1; - - return ret; -} - -static int rc5t583_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - unsigned char alarm_data[NUM_YAL_REGS]; - int ret; - - ret = rc5t583_rtc_alarm_irq_enable(dev, 0); - if (ret) - return ret; - - alarm_data[0] = bin2bcd(alm->time.tm_min); - alarm_data[1] = bin2bcd(alm->time.tm_hour); - alarm_data[2] = bin2bcd(alm->time.tm_mday); - alarm_data[3] = bin2bcd(alm->time.tm_mon + 1); - alarm_data[4] = bin2bcd(alm->time.tm_year - 100); - - ret = regmap_bulk_write(rc5t583->regmap, RC5T583_RTC_AY_MIN, alarm_data, - NUM_YAL_REGS); - if (ret) { - dev_err(dev, "rtc_set_alarm error %d\n", ret); - return ret; - } - - if (alm->enabled) - ret = rc5t583_rtc_alarm_irq_enable(dev, 1); - - return ret; -} - -static irqreturn_t rc5t583_rtc_interrupt(int irq, void *rtc) -{ - struct device *dev = rtc; - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(dev); - unsigned long events = 0; - int ret; - u32 rtc_reg; - - ret = regmap_read(rc5t583->regmap, RC5T583_RTC_CTL2, &rtc_reg); - if (ret < 0) - return IRQ_NONE; - - if (rtc_reg & GET_YAL_STATUS) { - events = RTC_IRQF | RTC_AF; - /* clear pending Y-alarm interrupt bit */ - rtc_reg &= ~GET_YAL_STATUS; - } - - ret = regmap_write(rc5t583->regmap, RC5T583_RTC_CTL2, rtc_reg); - if (ret) - return IRQ_NONE; - - /* Notify RTC core on event */ - rtc_update_irq(rc5t583_rtc->rtc, 1, events); - - return IRQ_HANDLED; -} - -static const struct rtc_class_ops rc5t583_rtc_ops = { - .read_time = rc5t583_rtc_read_time, - .set_time = rc5t583_rtc_set_time, - .read_alarm = rc5t583_rtc_read_alarm, - .set_alarm = rc5t583_rtc_set_alarm, - .alarm_irq_enable = rc5t583_rtc_alarm_irq_enable, -}; - -static int rc5t583_rtc_probe(struct platform_device *pdev) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent); - struct rc5t583_rtc *ricoh_rtc; - struct rc5t583_platform_data *pmic_plat_data; - int ret; - int irq; - - ricoh_rtc = devm_kzalloc(&pdev->dev, sizeof(struct rc5t583_rtc), - GFP_KERNEL); - if (!ricoh_rtc) - return -ENOMEM; - - platform_set_drvdata(pdev, ricoh_rtc); - - /* Clear pending interrupts */ - ret = regmap_write(rc5t583->regmap, RC5T583_RTC_CTL2, 0); - if (ret < 0) - return ret; - - /* clear RTC Adjust register */ - ret = regmap_write(rc5t583->regmap, RC5T583_RTC_ADJ, 0); - if (ret < 0) { - dev_err(&pdev->dev, "unable to program rtc_adjust reg\n"); - return -EBUSY; - } - - pmic_plat_data = dev_get_platdata(rc5t583->dev); - irq = pmic_plat_data->irq_base; - if (irq <= 0) { - dev_warn(&pdev->dev, "Wake up is not possible as irq = %d\n", - irq); - return ret; - } - - irq += RC5T583_IRQ_YALE; - ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, - rc5t583_rtc_interrupt, IRQF_TRIGGER_LOW, - "rtc-rc5t583", &pdev->dev); - if (ret < 0) { - dev_err(&pdev->dev, "IRQ is not free.\n"); - return ret; - } - device_init_wakeup(&pdev->dev, true); - - ricoh_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, - &rc5t583_rtc_ops, THIS_MODULE); - if (IS_ERR(ricoh_rtc->rtc)) { - ret = PTR_ERR(ricoh_rtc->rtc); - dev_err(&pdev->dev, "RTC device register: err %d\n", ret); - return ret; - } - - return 0; -} - -/* - * Disable rc5t583 RTC interrupts. - * Sets status flag to free. - */ -static void rc5t583_rtc_remove(struct platform_device *pdev) -{ - struct rc5t583_rtc *rc5t583_rtc = platform_get_drvdata(pdev); - - rc5t583_rtc_alarm_irq_enable(&rc5t583_rtc->rtc->dev, 0); -} - -#ifdef CONFIG_PM_SLEEP -static int rc5t583_rtc_suspend(struct device *dev) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(dev); - int ret; - - /* Store current list of enabled interrupts*/ - ret = regmap_read(rc5t583->regmap, RC5T583_RTC_CTL1, - &rc5t583_rtc->irqen); - return ret; -} - -static int rc5t583_rtc_resume(struct device *dev) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev->parent); - struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(dev); - - /* Restore list of enabled interrupts before suspend */ - return regmap_write(rc5t583->regmap, RC5T583_RTC_CTL1, - rc5t583_rtc->irqen); -} -#endif - -static SIMPLE_DEV_PM_OPS(rc5t583_rtc_pm_ops, rc5t583_rtc_suspend, - rc5t583_rtc_resume); - -static struct platform_driver rc5t583_rtc_driver = { - .probe = rc5t583_rtc_probe, - .remove = rc5t583_rtc_remove, - .driver = { - .name = "rtc-rc5t583", - .pm = &rc5t583_rtc_pm_ops, - }, -}; - -module_platform_driver(rc5t583_rtc_driver); -MODULE_ALIAS("platform:rtc-rc5t583"); -MODULE_AUTHOR("Venu Byravarasu <[email protected]>"); -MODULE_DESCRIPTION("RICOH 5T583 RTC driver"); -MODULE_LICENSE("GPL v2"); diff --git a/include/linux/mfd/rc5t583.h b/include/linux/mfd/rc5t583.h deleted file mode 100644 index 4f220146cc02..000000000000 --- a/include/linux/mfd/rc5t583.h +++ /dev/null @@ -1,369 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Core driver interface to access RICOH_RC5T583 power management chip. - * - * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. - * Author: Laxman dewangan <[email protected]> - * - * Based on code - * Copyright (C) 2011 RICOH COMPANY,LTD - */ - -#ifndef __LINUX_MFD_RC5T583_H -#define __LINUX_MFD_RC5T583_H - -#include <linux/mutex.h> -#include <linux/types.h> -#include <linux/regmap.h> - -/* Maximum number of main interrupts */ -#define MAX_MAIN_INTERRUPT 5 -#define RC5T583_MAX_GPEDGE_REG 2 -#define RC5T583_MAX_INTERRUPT_EN_REGS 8 -#define RC5T583_MAX_INTERRUPT_MASK_REGS 9 - -/* Interrupt enable register */ -#define RC5T583_INT_EN_SYS1 0x19 -#define RC5T583_INT_EN_SYS2 0x1D -#define RC5T583_INT_EN_DCDC 0x41 -#define RC5T583_INT_EN_RTC 0xED -#define RC5T583_INT_EN_ADC1 0x90 -#define RC5T583_INT_EN_ADC2 0x91 -#define RC5T583_INT_EN_ADC3 0x92 - -/* Interrupt status registers (monitor regs in Ricoh)*/ -#define RC5T583_INTC_INTPOL 0xAD -#define RC5T583_INTC_INTEN 0xAE -#define RC5T583_INTC_INTMON 0xAF - -#define RC5T583_INT_MON_GRP 0xAF -#define RC5T583_INT_MON_SYS1 0x1B -#define RC5T583_INT_MON_SYS2 0x1F -#define RC5T583_INT_MON_DCDC 0x43 -#define RC5T583_INT_MON_RTC 0xEE - -/* Interrupt clearing registers */ -#define RC5T583_INT_IR_SYS1 0x1A -#define RC5T583_INT_IR_SYS2 0x1E -#define RC5T583_INT_IR_DCDC 0x42 -#define RC5T583_INT_IR_RTC 0xEE -#define RC5T583_INT_IR_ADCL 0x94 -#define RC5T583_INT_IR_ADCH 0x95 -#define RC5T583_INT_IR_ADCEND 0x96 -#define RC5T583_INT_IR_GPIOR 0xA9 -#define RC5T583_INT_IR_GPIOF 0xAA - -/* Sleep sequence registers */ -#define RC5T583_SLPSEQ1 0x21 -#define RC5T583_SLPSEQ2 0x22 -#define RC5T583_SLPSEQ3 0x23 -#define RC5T583_SLPSEQ4 0x24 -#define RC5T583_SLPSEQ5 0x25 -#define RC5T583_SLPSEQ6 0x26 -#define RC5T583_SLPSEQ7 0x27 -#define RC5T583_SLPSEQ8 0x28 -#define RC5T583_SLPSEQ9 0x29 -#define RC5T583_SLPSEQ10 0x2A -#define RC5T583_SLPSEQ11 0x2B - -/* Regulator registers */ -#define RC5T583_REG_DC0CTL 0x30 -#define RC5T583_REG_DC0DAC 0x31 -#define RC5T583_REG_DC0LATCTL 0x32 -#define RC5T583_REG_SR0CTL 0x33 - -#define RC5T583_REG_DC1CTL 0x34 -#define RC5T583_REG_DC1DAC 0x35 -#define RC5T583_REG_DC1LATCTL 0x36 -#define RC5T583_REG_SR1CTL 0x37 - -#define RC5T583_REG_DC2CTL 0x38 -#define RC5T583_REG_DC2DAC 0x39 -#define RC5T583_REG_DC2LATCTL 0x3A -#define RC5T583_REG_SR2CTL 0x3B - -#define RC5T583_REG_DC3CTL 0x3C -#define RC5T583_REG_DC3DAC 0x3D -#define RC5T583_REG_DC3LATCTL 0x3E -#define RC5T583_REG_SR3CTL 0x3F - - -#define RC5T583_REG_LDOEN1 0x50 -#define RC5T583_REG_LDOEN2 0x51 -#define RC5T583_REG_LDODIS1 0x52 -#define RC5T583_REG_LDODIS2 0x53 - -#define RC5T583_REG_LDO0DAC 0x54 -#define RC5T583_REG_LDO1DAC 0x55 -#define RC5T583_REG_LDO2DAC 0x56 -#define RC5T583_REG_LDO3DAC 0x57 -#define RC5T583_REG_LDO4DAC 0x58 -#define RC5T583_REG_LDO5DAC 0x59 -#define RC5T583_REG_LDO6DAC 0x5A -#define RC5T583_REG_LDO7DAC 0x5B -#define RC5T583_REG_LDO8DAC 0x5C -#define RC5T583_REG_LDO9DAC 0x5D - -#define RC5T583_REG_DC0DAC_DS 0x60 -#define RC5T583_REG_DC1DAC_DS 0x61 -#define RC5T583_REG_DC2DAC_DS 0x62 -#define RC5T583_REG_DC3DAC_DS 0x63 - -#define RC5T583_REG_LDO0DAC_DS 0x64 -#define RC5T583_REG_LDO1DAC_DS 0x65 -#define RC5T583_REG_LDO2DAC_DS 0x66 -#define RC5T583_REG_LDO3DAC_DS 0x67 -#define RC5T583_REG_LDO4DAC_DS 0x68 -#define RC5T583_REG_LDO5DAC_DS 0x69 -#define RC5T583_REG_LDO6DAC_DS 0x6A -#define RC5T583_REG_LDO7DAC_DS 0x6B -#define RC5T583_REG_LDO8DAC_DS 0x6C -#define RC5T583_REG_LDO9DAC_DS 0x6D - -/* GPIO register base address */ -#define RC5T583_GPIO_IOSEL 0xA0 -#define RC5T583_GPIO_PDEN 0xA1 -#define RC5T583_GPIO_IOOUT 0xA2 -#define RC5T583_GPIO_PGSEL 0xA3 -#define RC5T583_GPIO_GPINV 0xA4 -#define RC5T583_GPIO_GPDEB 0xA5 -#define RC5T583_GPIO_GPEDGE1 0xA6 -#define RC5T583_GPIO_GPEDGE2 0xA7 -#define RC5T583_GPIO_EN_INT 0xA8 -#define RC5T583_GPIO_MON_IOIN 0xAB -#define RC5T583_GPIO_GPOFUNC 0xAC - -/* RTC registers */ -#define RC5T583_RTC_SEC 0xE0 -#define RC5T583_RTC_MIN 0xE1 -#define RC5T583_RTC_HOUR 0xE2 -#define RC5T583_RTC_WDAY 0xE3 -#define RC5T583_RTC_DAY 0xE4 -#define RC5T583_RTC_MONTH 0xE5 -#define RC5T583_RTC_YEAR 0xE6 -#define RC5T583_RTC_ADJ 0xE7 -#define RC5T583_RTC_AW_MIN 0xE8 -#define RC5T583_RTC_AW_HOUR 0xE9 -#define RC5T583_RTC_AW_WEEK 0xEA -#define RC5T583_RTC_AD_MIN 0xEB -#define RC5T583_RTC_AD_HOUR 0xEC -#define RC5T583_RTC_CTL1 0xED -#define RC5T583_RTC_CTL2 0xEE -#define RC5T583_RTC_AY_MIN 0xF0 -#define RC5T583_RTC_AY_HOUR 0xF1 -#define RC5T583_RTC_AY_DAY 0xF2 -#define RC5T583_RTC_AY_MONTH 0xF3 -#define RC5T583_RTC_AY_YEAR 0xF4 - -#define RC5T583_MAX_REG 0xF7 -#define RC5T583_NUM_REGS (RC5T583_MAX_REG + 1) - -/* RICOH_RC5T583 IRQ definitions */ -enum { - RC5T583_IRQ_ONKEY, - RC5T583_IRQ_ACOK, - RC5T583_IRQ_LIDOPEN, - RC5T583_IRQ_PREOT, - RC5T583_IRQ_CLKSTP, - RC5T583_IRQ_ONKEY_OFF, - RC5T583_IRQ_WD, - RC5T583_IRQ_EN_PWRREQ1, - RC5T583_IRQ_EN_PWRREQ2, - RC5T583_IRQ_PRE_VINDET, - - RC5T583_IRQ_DC0LIM, - RC5T583_IRQ_DC1LIM, - RC5T583_IRQ_DC2LIM, - RC5T583_IRQ_DC3LIM, - - RC5T583_IRQ_CTC, - RC5T583_IRQ_YALE, - RC5T583_IRQ_DALE, - RC5T583_IRQ_WALE, - - RC5T583_IRQ_AIN1L, - RC5T583_IRQ_AIN2L, - RC5T583_IRQ_AIN3L, - RC5T583_IRQ_VBATL, - RC5T583_IRQ_VIN3L, - RC5T583_IRQ_VIN8L, - RC5T583_IRQ_AIN1H, - RC5T583_IRQ_AIN2H, - RC5T583_IRQ_AIN3H, - RC5T583_IRQ_VBATH, - RC5T583_IRQ_VIN3H, - RC5T583_IRQ_VIN8H, - RC5T583_IRQ_ADCEND, - - RC5T583_IRQ_GPIO0, - RC5T583_IRQ_GPIO1, - RC5T583_IRQ_GPIO2, - RC5T583_IRQ_GPIO3, - RC5T583_IRQ_GPIO4, - RC5T583_IRQ_GPIO5, - RC5T583_IRQ_GPIO6, - RC5T583_IRQ_GPIO7, - - /* Should be last entry */ - RC5T583_MAX_IRQS, -}; - -/* Ricoh583 gpio definitions */ -enum { - RC5T583_GPIO0, - RC5T583_GPIO1, - RC5T583_GPIO2, - RC5T583_GPIO3, - RC5T583_GPIO4, - RC5T583_GPIO5, - RC5T583_GPIO6, - RC5T583_GPIO7, - - /* Should be last entry */ - RC5T583_MAX_GPIO, -}; - -enum { - RC5T583_DS_NONE, - RC5T583_DS_DC0, - RC5T583_DS_DC1, - RC5T583_DS_DC2, - RC5T583_DS_DC3, - RC5T583_DS_LDO0, - RC5T583_DS_LDO1, - RC5T583_DS_LDO2, - RC5T583_DS_LDO3, - RC5T583_DS_LDO4, - RC5T583_DS_LDO5, - RC5T583_DS_LDO6, - RC5T583_DS_LDO7, - RC5T583_DS_LDO8, - RC5T583_DS_LDO9, - RC5T583_DS_PSO0, - RC5T583_DS_PSO1, - RC5T583_DS_PSO2, - RC5T583_DS_PSO3, - RC5T583_DS_PSO4, - RC5T583_DS_PSO5, - RC5T583_DS_PSO6, - RC5T583_DS_PSO7, - - /* Should be last entry */ - RC5T583_DS_MAX, -}; - -/* - * Ricoh pmic RC5T583 supports sleep through two external controls. - * The output of gpios and regulator can be enable/disable through - * this external signals. - */ -enum { - RC5T583_EXT_PWRREQ1_CONTROL = 0x1, - RC5T583_EXT_PWRREQ2_CONTROL = 0x2, -}; - -enum { - RC5T583_REGULATOR_DC0, - RC5T583_REGULATOR_DC1, - RC5T583_REGULATOR_DC2, - RC5T583_REGULATOR_DC3, - RC5T583_REGULATOR_LDO0, - RC5T583_REGULATOR_LDO1, - RC5T583_REGULATOR_LDO2, - RC5T583_REGULATOR_LDO3, - RC5T583_REGULATOR_LDO4, - RC5T583_REGULATOR_LDO5, - RC5T583_REGULATOR_LDO6, - RC5T583_REGULATOR_LDO7, - RC5T583_REGULATOR_LDO8, - RC5T583_REGULATOR_LDO9, - - /* Should be last entry */ - RC5T583_REGULATOR_MAX, -}; - -struct rc5t583 { - struct device *dev; - struct regmap *regmap; - int chip_irq; - int irq_base; - struct mutex irq_lock; - unsigned long group_irq_en[MAX_MAIN_INTERRUPT]; - - /* For main interrupt bits in INTC */ - uint8_t intc_inten_reg; - - /* For group interrupt bits and address */ - uint8_t irq_en_reg[RC5T583_MAX_INTERRUPT_EN_REGS]; - - /* For gpio edge */ - uint8_t gpedge_reg[RC5T583_MAX_GPEDGE_REG]; -}; - -/* - * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu. - * The board specific data is provided through this structure. - * @irq_base: Irq base number on which this device registers their interrupts. - * @gpio_base: GPIO base from which gpio of this device will start. - * @enable_shutdown: Enable shutdown through the input pin "shutdown". - * @regulator_deepsleep_slot: The slot number on which device goes to sleep - * in device sleep mode. - * @regulator_ext_pwr_control: External power request regulator control. The - * regulator output enable/disable is controlled by the external - * power request input state. - * @reg_init_data: Regulator init data. - */ - -struct rc5t583_platform_data { - int irq_base; - int gpio_base; - bool enable_shutdown; - int regulator_deepsleep_slot[RC5T583_REGULATOR_MAX]; - unsigned long regulator_ext_pwr_control[RC5T583_REGULATOR_MAX]; - struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX]; -}; - -static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_write(rc5t583->regmap, reg, val); -} - -static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - unsigned int ival; - int ret; - ret = regmap_read(rc5t583->regmap, reg, &ival); - if (!ret) - *val = (uint8_t)ival; - return ret; -} - -static inline int rc5t583_set_bits(struct device *dev, unsigned int reg, - unsigned int bit_mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask); -} - -static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg, - unsigned int bit_mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0); -} - -static inline int rc5t583_update(struct device *dev, unsigned int reg, - unsigned int val, unsigned int mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, mask, val); -} - -int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id, - int ext_pwr_req, int deepsleep_slot_nr); -int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base); -int rc5t583_irq_exit(struct rc5t583 *rc5t583); - -#endif -- 2.53.0
