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author | Tomasz Moń <desowin@gmail.com> | 2011-12-04 08:24:08 +0000 |
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committer | Tomasz Moń <desowin@gmail.com> | 2011-12-04 08:24:08 +0000 |
commit | de712eebbdbfc1a514ede554ba7d5d7db8ed4478 (patch) | |
tree | e5a10a65c4d4bcbadc5a08a2a4b815169869f9d6 | |
parent | ad0b3082654e1cd87e788f6e8c18908ffd0c46b7 (diff) | |
download | rockbox-de712eebbdbfc1a514ede554ba7d5d7db8ed4478.tar.gz rockbox-de712eebbdbfc1a514ede554ba7d5d7db8ed4478.zip |
Sansa Connect: Add TPS65021 (Power Management) driver.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31135 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r-- | firmware/SOURCES | 1 | ||||
-rw-r--r-- | firmware/drivers/tps65021.c | 64 | ||||
-rw-r--r-- | firmware/export/tps65021.h | 27 | ||||
-rw-r--r-- | firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c | 2 |
4 files changed, 94 insertions, 0 deletions
diff --git a/firmware/SOURCES b/firmware/SOURCES index f5ee7873a2..5610b5ab5a 100644 --- a/firmware/SOURCES +++ b/firmware/SOURCES | |||
@@ -1118,6 +1118,7 @@ target/arm/tms320dm320/creative-zvm/usb-creativezvm.c | |||
1118 | 1118 | ||
1119 | #ifdef SANSA_CONNECT | 1119 | #ifdef SANSA_CONNECT |
1120 | #ifndef SIMULATOR | 1120 | #ifndef SIMULATOR |
1121 | drivers/tps65021.c | ||
1121 | target/arm/mmu-arm.S | 1122 | target/arm/mmu-arm.S |
1122 | target/arm/lcd-as-memframe.S | 1123 | target/arm/lcd-as-memframe.S |
1123 | target/arm/tms320dm320/sdmmc-dm320.c | 1124 | target/arm/tms320dm320/sdmmc-dm320.c |
diff --git a/firmware/drivers/tps65021.c b/firmware/drivers/tps65021.c new file mode 100644 index 0000000000..d645b0d6f0 --- /dev/null +++ b/firmware/drivers/tps65021.c | |||
@@ -0,0 +1,64 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: $ | ||
9 | * | ||
10 | * Driver for TPS 65021 Power Management IC | ||
11 | * | ||
12 | * Copyright (c) 2011 Tomasz Moń | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | #include "system.h" | ||
24 | #include "config.h" | ||
25 | #if CONFIG_I2C == I2C_DM320 | ||
26 | #include "i2c-dm320.h" | ||
27 | #endif | ||
28 | #include "logf.h" | ||
29 | #include "tps65021.h" | ||
30 | |||
31 | /* (7-bit) address is 0x48, the LSB is read/write flag */ | ||
32 | #define TPS65021_ADDR (0x48 << 1) | ||
33 | |||
34 | static void tps65021_write_reg(unsigned reg, unsigned value) | ||
35 | { | ||
36 | unsigned char data[2]; | ||
37 | |||
38 | data[0] = reg; | ||
39 | data[1] = value; | ||
40 | |||
41 | #if CONFIG_I2C == I2C_DM320 | ||
42 | if (i2c_write(TPS65021_ADDR, data, 2) != 0) | ||
43 | #else | ||
44 | #warning Implement tps65021_write_reg() | ||
45 | #endif | ||
46 | { | ||
47 | logf("TPS65021 error reg=0x%x", reg); | ||
48 | return; | ||
49 | } | ||
50 | } | ||
51 | |||
52 | void tps65021_init(void) | ||
53 | { | ||
54 | #ifdef SANSA_CONNECT | ||
55 | /* PWM mode */ | ||
56 | tps65021_write_reg(0x04, 0xB2); | ||
57 | |||
58 | /* Set core voltage to 1.5V */ | ||
59 | tps65021_write_reg(0x06, 0x1C); | ||
60 | |||
61 | /* Set LCM (LDO1) to 2.85V, Set CODEC and USB (LDO2) to 1.8V */ | ||
62 | tps65021_write_reg(0x08, 0x36); | ||
63 | #endif | ||
64 | } | ||
diff --git a/firmware/export/tps65021.h b/firmware/export/tps65021.h new file mode 100644 index 0000000000..2b28ccb37e --- /dev/null +++ b/firmware/export/tps65021.h | |||
@@ -0,0 +1,27 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: $ | ||
9 | * | ||
10 | * Copyright (C) 2011 by Tomasz Moń | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #ifndef TPS65021_H | ||
23 | #define TPS65021_H | ||
24 | |||
25 | void tps65021_init(void); | ||
26 | |||
27 | #endif | ||
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c index 52ea9be1d9..bb03e4c0dd 100644 --- a/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c +++ b/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c | |||
@@ -28,9 +28,11 @@ | |||
28 | #include "backlight.h" | 28 | #include "backlight.h" |
29 | #include "backlight-target.h" | 29 | #include "backlight-target.h" |
30 | #include "avr-sansaconnect.h" | 30 | #include "avr-sansaconnect.h" |
31 | #include "tps65021.h" | ||
31 | 32 | ||
32 | void power_init(void) | 33 | void power_init(void) |
33 | { | 34 | { |
35 | tps65021_init(); | ||
34 | } | 36 | } |
35 | 37 | ||
36 | void power_off(void) | 38 | void power_off(void) |