1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Intel Low Power Subsystem PWM controller driver
5 * Copyright (C) 2014, Intel Corporation
7 * Derived from the original pwm-lpss.c
13 #include <linux/device.h>
14 #include <linux/pwm.h>
18 struct pwm_lpss_chip {
21 const struct pwm_lpss_boardinfo *info;
22 u32 saved_ctrl[MAX_PWMS];
25 struct pwm_lpss_boardinfo {
26 unsigned long clk_rate;
28 unsigned long base_unit_bits;
31 * On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device
32 * messes with the PWM0 controllers state,
34 bool other_devices_aml_touches_pwm_regs;
37 struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
38 const struct pwm_lpss_boardinfo *info);
39 int pwm_lpss_remove(struct pwm_lpss_chip *lpwm);
40 int pwm_lpss_suspend(struct device *dev);
41 int pwm_lpss_resume(struct device *dev);
43 #endif /* __PWM_LPSS_H */