1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_MAX6639_H 3 #define _LINUX_MAX6639_H 4 5 #include <linux/types.h> 6 7 /* platform data for the MAX6639 temperature sensor and fan control */ 8 9 struct max6639_platform_data { 10 bool pwm_polarity; /* Polarity low (0) or high (1, default) */ 11 int ppr; /* Pulses per rotation 1..4 (default == 2) */ 12 int rpm_range; /* 2000, 4000 (default), 8000 or 16000 */ 13 }; 14 15 #endif /* _LINUX_MAX6639_H */ 16