xref: /OK3568_Linux_fs/kernel/include/linux/platform_data/gsc_hwmon.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _GSC_HWMON_H
3*4882a593Smuzhiyun #define _GSC_HWMON_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun enum gsc_hwmon_mode {
6*4882a593Smuzhiyun 	mode_temperature,
7*4882a593Smuzhiyun 	mode_voltage_24bit,
8*4882a593Smuzhiyun 	mode_voltage_raw,
9*4882a593Smuzhiyun 	mode_voltage_16bit,
10*4882a593Smuzhiyun 	mode_fan,
11*4882a593Smuzhiyun 	mode_max,
12*4882a593Smuzhiyun };
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /**
15*4882a593Smuzhiyun  * struct gsc_hwmon_channel - configuration parameters
16*4882a593Smuzhiyun  * @reg:  I2C register offset
17*4882a593Smuzhiyun  * @mode: channel mode
18*4882a593Smuzhiyun  * @name: channel name
19*4882a593Smuzhiyun  * @mvoffset: voltage offset
20*4882a593Smuzhiyun  * @vdiv: voltage divider array (2 resistor values in milli-ohms)
21*4882a593Smuzhiyun  */
22*4882a593Smuzhiyun struct gsc_hwmon_channel {
23*4882a593Smuzhiyun 	unsigned int reg;
24*4882a593Smuzhiyun 	unsigned int mode;
25*4882a593Smuzhiyun 	const char *name;
26*4882a593Smuzhiyun 	unsigned int mvoffset;
27*4882a593Smuzhiyun 	unsigned int vdiv[2];
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun /**
31*4882a593Smuzhiyun  * struct gsc_hwmon_platform_data - platform data for gsc_hwmon driver
32*4882a593Smuzhiyun  * @channels:	pointer to array of gsc_hwmon_channel structures
33*4882a593Smuzhiyun  *		describing channels
34*4882a593Smuzhiyun  * @nchannels:	number of elements in @channels array
35*4882a593Smuzhiyun  * @vreference: voltage reference (mV)
36*4882a593Smuzhiyun  * @resolution: ADC bit resolution
37*4882a593Smuzhiyun  * @fan_base: register base for FAN controller
38*4882a593Smuzhiyun  */
39*4882a593Smuzhiyun struct gsc_hwmon_platform_data {
40*4882a593Smuzhiyun 	const struct gsc_hwmon_channel *channels;
41*4882a593Smuzhiyun 	int nchannels;
42*4882a593Smuzhiyun 	unsigned int resolution;
43*4882a593Smuzhiyun 	unsigned int vreference;
44*4882a593Smuzhiyun 	unsigned int fan_base;
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun #endif
47