| Samu Onkalo | 500fe14 | 2010-11-11 14:05:22 -0800 | [diff] [blame] | 1 | /* |
| 2 | * LP5521 LED chip driver. |
| 3 | * |
| 4 | * Copyright (C) 2010 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef __LINUX_LP5521_H |
| 24 | #define __LINUX_LP5521_H |
| 25 | |
| 26 | /* See Documentation/leds/leds-lp5521.txt */ |
| 27 | |
| 28 | struct lp5521_led_config { |
| Kim, Milo | 5ae4e8a | 2012-03-23 15:02:08 -0700 | [diff] [blame] | 29 | char *name; |
| Samu Onkalo | 500fe14 | 2010-11-11 14:05:22 -0800 | [diff] [blame] | 30 | u8 chan_nr; |
| 31 | u8 led_current; /* mA x10, 0 if led is not connected */ |
| 32 | u8 max_current; |
| 33 | }; |
| 34 | |
| 35 | #define LP5521_CLOCK_AUTO 0 |
| 36 | #define LP5521_CLOCK_INT 1 |
| 37 | #define LP5521_CLOCK_EXT 2 |
| 38 | |
| Kim, Milo | 3b49aac | 2012-03-23 15:02:08 -0700 | [diff] [blame^] | 39 | /* Bits in CONFIG register */ |
| 40 | #define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */ |
| 41 | #define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */ |
| 42 | #define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */ |
| 43 | #define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */ |
| 44 | #define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */ |
| 45 | #define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */ |
| 46 | #define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */ |
| 47 | #define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */ |
| 48 | #define LP5521_CLK_INT 1 /* Internal clock */ |
| 49 | #define LP5521_CLK_AUTO 2 /* Automatic clock selection */ |
| 50 | |
| Samu Onkalo | 500fe14 | 2010-11-11 14:05:22 -0800 | [diff] [blame] | 51 | struct lp5521_platform_data { |
| 52 | struct lp5521_led_config *led_config; |
| 53 | u8 num_channels; |
| 54 | u8 clock_mode; |
| 55 | int (*setup_resources)(void); |
| 56 | void (*release_resources)(void); |
| 57 | void (*enable)(bool state); |
| Arun Murthy | 61a8393 | 2011-01-12 16:59:20 -0800 | [diff] [blame] | 58 | const char *label; |
| Kim, Milo | 3b49aac | 2012-03-23 15:02:08 -0700 | [diff] [blame^] | 59 | u8 update_config; |
| Samu Onkalo | 500fe14 | 2010-11-11 14:05:22 -0800 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | #endif /* __LINUX_LP5521_H */ |