xref: /OK3568_Linux_fs/kernel/include/linux/mfd/htc-pasic3.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * HTC PASIC3 driver - LEDs and DS1WM
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
7*4882a593Smuzhiyun  * License.  See the file COPYING in the main directory of this archive for
8*4882a593Smuzhiyun  * more details.
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #ifndef __PASIC3_H
13*4882a593Smuzhiyun #define __PASIC3_H
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #include <linux/platform_device.h>
16*4882a593Smuzhiyun #include <linux/leds.h>
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
19*4882a593Smuzhiyun extern u8 pasic3_read_register(struct device *dev, u32 reg);
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /*
22*4882a593Smuzhiyun  * mask for registers 0x20,0x21,0x22
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun #define PASIC3_MASK_LED0 0x04
25*4882a593Smuzhiyun #define PASIC3_MASK_LED1 0x08
26*4882a593Smuzhiyun #define PASIC3_MASK_LED2 0x40
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /*
29*4882a593Smuzhiyun  * bits in register 0x06
30*4882a593Smuzhiyun  */
31*4882a593Smuzhiyun #define PASIC3_BIT2_LED0 0x08
32*4882a593Smuzhiyun #define PASIC3_BIT2_LED1 0x10
33*4882a593Smuzhiyun #define PASIC3_BIT2_LED2 0x20
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun struct pasic3_led {
36*4882a593Smuzhiyun 	struct led_classdev         led;
37*4882a593Smuzhiyun 	unsigned int                hw_num;
38*4882a593Smuzhiyun 	unsigned int                bit2;
39*4882a593Smuzhiyun 	unsigned int                mask;
40*4882a593Smuzhiyun 	struct pasic3_leds_machinfo *pdata;
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun struct pasic3_leds_machinfo {
44*4882a593Smuzhiyun 	unsigned int      num_leds;
45*4882a593Smuzhiyun 	unsigned int      power_gpio;
46*4882a593Smuzhiyun 	struct pasic3_led *leds;
47*4882a593Smuzhiyun };
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun struct pasic3_platform_data {
50*4882a593Smuzhiyun 	struct pasic3_leds_machinfo *led_pdata;
51*4882a593Smuzhiyun 	unsigned int                 clock_rate;
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #endif
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