diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 18:06:20 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 18:06:20 -0400 |
commit | f3c3f0670501fee130f22193369249deea8cc630 (patch) | |
tree | 27ae58e4f338d571be93a7557ae7de48de10a947 /Documentation | |
parent | c18ae42aa5b3473c00f51b6937d0c00bdb6ce2d2 (diff) | |
parent | 0151546fb34e92494acd65ed84a603c2a4a90168 (diff) |
Merge branch 'for-linus' of git://opensource.wolfsonmicro.com/regulator
* 'for-linus' of git://opensource.wolfsonmicro.com/regulator: (22 commits)
regulator: Constify constraints name
regulator: Fix possible nullpointer dereference in regulator_enable()
regulator: gpio-regulator add dependency on GENERIC_GPIO
regulator: Add module.h include to gpio-regulator
regulator: Add driver for gpio-controlled regulators
regulator: remove duplicate REG_CTRL2 defines in tps65023
regulator: Clarify documentation for regulator-regulator supplies
regulator: Fix some bitrot in the machine driver documentation
regulator: tps65023: Added support for the similiar TPS65020 chip
regulator: tps65023: Setting correct core regulator for tps65021
regulator: tps65023: Set missing bit for update core-voltage
regulator: tps65023: Fixes i2c configuration issues
regulator: Add debugfs file showing the supply map table
regulator: tps6586x: add SMx slew rate setting
regulator: tps65023: Fixes i2c configuration issues
regulator: tps6507x: Remove num_voltages array
regulator: max8952: removed unused mutex.
regulator: fix regulator/consumer.h kernel-doc warning
regulator: Ensure enough enable time for max8649
regulator: 88pm8607: Fix off-by-one value range checking in the case of no id is matched
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/power/regulator/machine.txt | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/Documentation/power/regulator/machine.txt b/Documentation/power/regulator/machine.txt index b42419b52e44..ce63af0a8e35 100644 --- a/Documentation/power/regulator/machine.txt +++ b/Documentation/power/regulator/machine.txt | |||
@@ -16,7 +16,7 @@ initialisation code by creating a struct regulator_consumer_supply for | |||
16 | each regulator. | 16 | each regulator. |
17 | 17 | ||
18 | struct regulator_consumer_supply { | 18 | struct regulator_consumer_supply { |
19 | struct device *dev; /* consumer */ | 19 | const char *dev_name; /* consumer dev_name() */ |
20 | const char *supply; /* consumer supply - e.g. "vcc" */ | 20 | const char *supply; /* consumer supply - e.g. "vcc" */ |
21 | }; | 21 | }; |
22 | 22 | ||
@@ -24,13 +24,13 @@ e.g. for the machine above | |||
24 | 24 | ||
25 | static struct regulator_consumer_supply regulator1_consumers[] = { | 25 | static struct regulator_consumer_supply regulator1_consumers[] = { |
26 | { | 26 | { |
27 | .dev = &platform_consumerB_device.dev, | 27 | .dev_name = "dev_name(consumer B)", |
28 | .supply = "Vcc", | 28 | .supply = "Vcc", |
29 | },}; | 29 | },}; |
30 | 30 | ||
31 | static struct regulator_consumer_supply regulator2_consumers[] = { | 31 | static struct regulator_consumer_supply regulator2_consumers[] = { |
32 | { | 32 | { |
33 | .dev = &platform_consumerA_device.dev, | 33 | .dev = "dev_name(consumer A"), |
34 | .supply = "Vcc", | 34 | .supply = "Vcc", |
35 | },}; | 35 | },}; |
36 | 36 | ||
@@ -43,6 +43,7 @@ to their supply regulator :- | |||
43 | 43 | ||
44 | static struct regulator_init_data regulator1_data = { | 44 | static struct regulator_init_data regulator1_data = { |
45 | .constraints = { | 45 | .constraints = { |
46 | .name = "Regulator-1", | ||
46 | .min_uV = 3300000, | 47 | .min_uV = 3300000, |
47 | .max_uV = 3300000, | 48 | .max_uV = 3300000, |
48 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | 49 | .valid_modes_mask = REGULATOR_MODE_NORMAL, |
@@ -51,13 +52,19 @@ static struct regulator_init_data regulator1_data = { | |||
51 | .consumer_supplies = regulator1_consumers, | 52 | .consumer_supplies = regulator1_consumers, |
52 | }; | 53 | }; |
53 | 54 | ||
55 | The name field should be set to something that is usefully descriptive | ||
56 | for the board for configuration of supplies for other regulators and | ||
57 | for use in logging and other diagnostic output. Normally the name | ||
58 | used for the supply rail in the schematic is a good choice. If no | ||
59 | name is provided then the subsystem will choose one. | ||
60 | |||
54 | Regulator-1 supplies power to Regulator-2. This relationship must be registered | 61 | Regulator-1 supplies power to Regulator-2. This relationship must be registered |
55 | with the core so that Regulator-1 is also enabled when Consumer A enables its | 62 | with the core so that Regulator-1 is also enabled when Consumer A enables its |
56 | supply (Regulator-2). The supply regulator is set by the supply_regulator | 63 | supply (Regulator-2). The supply regulator is set by the supply_regulator |
57 | field below:- | 64 | field below and co:- |
58 | 65 | ||
59 | static struct regulator_init_data regulator2_data = { | 66 | static struct regulator_init_data regulator2_data = { |
60 | .supply_regulator = "regulator_name", | 67 | .supply_regulator = "Regulator-1", |
61 | .constraints = { | 68 | .constraints = { |
62 | .min_uV = 1800000, | 69 | .min_uV = 1800000, |
63 | .max_uV = 2000000, | 70 | .max_uV = 2000000, |