// SPDX-License-Identifier: GPL-2.0 /* * MFD core driver for Intel Broxton Whiskey Cove PMIC * * Copyright (C) 2015-2017, 2022 Intel Corporation. All rights reserved. */ #include <linux/acpi.h> #include <linux/bits.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/mfd/core.h> #include <linux/mfd/intel_soc_pmic.h> #include <linux/mfd/intel_soc_pmic_bxtwc.h> #include <linux/module.h> #include <linux/platform_data/x86/intel_scu_ipc.h> /* PMIC device registers */ #define REG_ADDR_MASK … #define REG_ADDR_SHIFT … #define REG_OFFSET_MASK … /* Interrupt Status Registers */ #define BXTWC_IRQLVL1 … #define BXTWC_PWRBTNIRQ … #define BXTWC_THRM0IRQ … #define BXTWC_THRM1IRQ … #define BXTWC_THRM2IRQ … #define BXTWC_BCUIRQ … #define BXTWC_ADCIRQ … #define BXTWC_CHGR0IRQ … #define BXTWC_CHGR1IRQ … #define BXTWC_GPIOIRQ0 … #define BXTWC_GPIOIRQ1 … #define BXTWC_CRITIRQ … #define BXTWC_TMUIRQ … /* Interrupt MASK Registers */ #define BXTWC_MIRQLVL1 … #define BXTWC_MIRQLVL1_MCHGR … #define BXTWC_MPWRBTNIRQ … #define BXTWC_MTHRM0IRQ … #define BXTWC_MTHRM1IRQ … #define BXTWC_MTHRM2IRQ … #define BXTWC_MBCUIRQ … #define BXTWC_MADCIRQ … #define BXTWC_MCHGR0IRQ … #define BXTWC_MCHGR1IRQ … #define BXTWC_MGPIO0IRQ … #define BXTWC_MGPIO1IRQ … #define BXTWC_MCRITIRQ … #define BXTWC_MTMUIRQ … /* Whiskey Cove PMIC share same ACPI ID between different platforms */ #define BROXTON_PMIC_WC_HRV … #define PMC_PMIC_ACCESS … #define PMC_PMIC_READ … #define PMC_PMIC_WRITE … enum bxtwc_irqs { … }; enum bxtwc_irqs_pwrbtn { … }; enum bxtwc_irqs_bcu { … }; enum bxtwc_irqs_adc { … }; enum bxtwc_irqs_chgr { … }; enum bxtwc_irqs_tmu { … }; enum bxtwc_irqs_crit { … }; static const struct regmap_irq bxtwc_regmap_irqs[] = …; static const struct regmap_irq bxtwc_regmap_irqs_pwrbtn[] = …; static const struct regmap_irq bxtwc_regmap_irqs_bcu[] = …; static const struct regmap_irq bxtwc_regmap_irqs_adc[] = …; static const struct regmap_irq bxtwc_regmap_irqs_chgr[] = …; static const struct regmap_irq bxtwc_regmap_irqs_tmu[] = …; static const struct regmap_irq bxtwc_regmap_irqs_crit[] = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_pwrbtn = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_tmu = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_bcu = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_adc = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_chgr = …; static const struct regmap_irq_chip bxtwc_regmap_irq_chip_crit = …; static const struct resource gpio_resources[] = …; static const struct resource adc_resources[] = …; static const struct resource usbc_resources[] = …; static const struct resource charger_resources[] = …; static const struct resource thermal_resources[] = …; static const struct resource bcu_resources[] = …; static const struct resource tmu_resources[] = …; static struct mfd_cell bxt_wc_dev[] = …; static int regmap_ipc_byte_reg_read(void *context, unsigned int reg, unsigned int *val) { … } static int regmap_ipc_byte_reg_write(void *context, unsigned int reg, unsigned int val) { … } /* sysfs interfaces to r/w PMIC registers, required by initial script */ static unsigned long bxtwc_reg_addr; static ssize_t addr_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t addr_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t val_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t val_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_ADMIN_RW(addr); static DEVICE_ATTR_ADMIN_RW(val); static struct attribute *bxtwc_attrs[] = …; static const struct attribute_group bxtwc_group = …; static const struct attribute_group *bxtwc_groups[] = …; static const struct regmap_config bxtwc_regmap_config = …; static int bxtwc_add_chained_irq_chip(struct intel_soc_pmic *pmic, struct regmap_irq_chip_data *pdata, int pirq, int irq_flags, const struct regmap_irq_chip *chip, struct regmap_irq_chip_data **data) { … } static int bxtwc_probe(struct platform_device *pdev) { … } static void bxtwc_shutdown(struct platform_device *pdev) { … } static int bxtwc_suspend(struct device *dev) { … } static int bxtwc_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(bxtwc_pm_ops, bxtwc_suspend, bxtwc_resume); static const struct acpi_device_id bxtwc_acpi_ids[] = …; MODULE_DEVICE_TABLE(acpi, bxtwc_acpi_ids); static struct platform_driver bxtwc_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …;
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