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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677/* SPDX-License-Identifier: GPL-2.0 * * Copyright (C) 2020 Gateworks Corporation */#ifndef __LINUX_MFD_GSC_H_#define __LINUX_MFD_GSC_H_
#include <linux/regmap.h>
/* Device Addresses */#define GSC_MISC 0x20#define GSC_UPDATE 0x21#define GSC_GPIO 0x23#define GSC_HWMON 0x29#define GSC_EEPROM0 0x50#define GSC_EEPROM1 0x51#define GSC_EEPROM2 0x52#define GSC_EEPROM3 0x53#define GSC_RTC 0x68
/* Register offsets */enum { GSC_CTRL_0 = 0x00, GSC_CTRL_1 = 0x01, GSC_TIME = 0x02, GSC_TIME_ADD = 0x06, GSC_IRQ_STATUS = 0x0A, GSC_IRQ_ENABLE = 0x0B, GSC_FW_CRC = 0x0C, GSC_FW_VER = 0x0E, GSC_WP = 0x0F,};
/* Bit definitions */#define GSC_CTRL_0_PB_HARD_RESET 0#define GSC_CTRL_0_PB_CLEAR_SECURE_KEY 1#define GSC_CTRL_0_PB_SOFT_POWER_DOWN 2#define GSC_CTRL_0_PB_BOOT_ALTERNATE 3#define GSC_CTRL_0_PERFORM_CRC 4#define GSC_CTRL_0_TAMPER_DETECT 5#define GSC_CTRL_0_SWITCH_HOLD 6
#define GSC_CTRL_1_SLEEP_ENABLE 0#define GSC_CTRL_1_SLEEP_ACTIVATE 1#define GSC_CTRL_1_SLEEP_ADD 2#define GSC_CTRL_1_SLEEP_NOWAKEPB 3#define GSC_CTRL_1_WDT_TIME 4#define GSC_CTRL_1_WDT_ENABLE 5#define GSC_CTRL_1_SWITCH_BOOT_ENABLE 6#define GSC_CTRL_1_SWITCH_BOOT_CLEAR 7
#define GSC_IRQ_PB 0#define GSC_IRQ_KEY_ERASED 1#define GSC_IRQ_EEPROM_WP 2#define GSC_IRQ_RESV 3#define GSC_IRQ_GPIO 4#define GSC_IRQ_TAMPER 5#define GSC_IRQ_WDT_TIMEOUT 6#define GSC_IRQ_SWITCH_HOLD 7
int gsc_read(void *context, unsigned int reg, unsigned int *val);int gsc_write(void *context, unsigned int reg, unsigned int val);
struct gsc_dev { struct device *dev;
struct i2c_client *i2c; /* 0x20: interrupt controller, WDT */ struct i2c_client *i2c_hwmon; /* 0x29: hwmon, fan controller */
struct regmap *regmap;
unsigned int fwver; unsigned short fwcrc;};
#endif /* __LINUX_MFD_GSC_H_ */