[s3c24xx] Implement voltage listing for pc50633.

[openwrt/svn-archive/archive.git] / target / linux / s3c24xx / patches-2.6.30 / 056-pcf50633.patch

diff --git a/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch b/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch
index b1274f993c865abe13e89673f6b0e86c657ba00b..84083b4f32b250fa3462166ca75b0135674fe07c 100644 (file)
--- a/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch
+++ b/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch
@@ -355,3 +355,109 @@
  
  /* LED registers */
  #define PCF50633_REG_LEDOUT 0x28
+diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
+index 8e14900..4809789 100644
+--- a/drivers/regulator/pcf50633-regulator.c
++++ b/drivers/regulator/pcf50633-regulator.c
+@@ -24,11 +24,12 @@
+ #include <linux/mfd/pcf50633/core.h>
+ #include <linux/mfd/pcf50633/pmic.h>
+ 
+-#define PCF50633_REGULATOR(_name, _id)                \
++#define PCF50633_REGULATOR(_name, _id, _n)            \
+       {                                       \
+               .name = _name,                  \
+               .id = _id,                      \
+               .ops = &pcf50633_regulator_ops, \
++              .n_voltages = _n, \
+               .type = REGULATOR_VOLTAGE,      \
+               .owner = THIS_MODULE,           \
+       }
+@@ -193,6 +194,40 @@ static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
+       return millivolts * 1000;
+ }
+ 
++static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
++                                              unsigned int index)
++{
++      struct pcf50633 *pcf;
++      int regulator_id, millivolts;
++
++      pcf = rdev_get_drvdata(rdev);;
++
++      regulator_id = rdev_get_id(rdev);
++
++      switch (regulator_id) {
++      case PCF50633_REGULATOR_AUTO:
++              millivolts = auto_voltage_value(index + 0x2f);
++              break;
++      case PCF50633_REGULATOR_DOWN1:
++      case PCF50633_REGULATOR_DOWN2:
++              millivolts = down_voltage_value(index);
++              break;
++      case PCF50633_REGULATOR_LDO1:
++      case PCF50633_REGULATOR_LDO2:
++      case PCF50633_REGULATOR_LDO3:
++      case PCF50633_REGULATOR_LDO4:
++      case PCF50633_REGULATOR_LDO5:
++      case PCF50633_REGULATOR_LDO6:
++      case PCF50633_REGULATOR_HCLDO:
++              millivolts = ldo_voltage_value(index);
++              break;
++      default:
++              return -EINVAL;
++      }
++
++      return millivolts * 1000;
++}
++
+ static int pcf50633_regulator_enable(struct regulator_dev *rdev)
+ {
+       struct pcf50633 *pcf = rdev_get_drvdata(rdev);
+@@ -246,6 +281,7 @@ static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
+ static struct regulator_ops pcf50633_regulator_ops = {
+       .set_voltage = pcf50633_regulator_set_voltage,
+       .get_voltage = pcf50633_regulator_get_voltage,
++      .list_voltage = pcf50633_regulator_list_voltage,
+       .enable = pcf50633_regulator_enable,
+       .disable = pcf50633_regulator_disable,
+       .is_enabled = pcf50633_regulator_is_enabled,
+@@ -253,27 +289,27 @@ static struct regulator_ops pcf50633_regulator_ops = {
+ 
+ static struct regulator_desc regulators[] = {
+       [PCF50633_REGULATOR_AUTO] =
+-              PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO),
++              PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
+       [PCF50633_REGULATOR_DOWN1] =
+-              PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1),
++              PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
+       [PCF50633_REGULATOR_DOWN2] =
+-              PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2),
++              PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
+       [PCF50633_REGULATOR_LDO1] =
+-              PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1),
++              PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
+       [PCF50633_REGULATOR_LDO2] =
+-              PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2),
++              PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
+       [PCF50633_REGULATOR_LDO3] =
+-              PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3),
++              PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
+       [PCF50633_REGULATOR_LDO4] =
+-              PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4),
++              PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
+       [PCF50633_REGULATOR_LDO5] =
+-              PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5),
++              PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
+       [PCF50633_REGULATOR_LDO6] =
+-              PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6),
++              PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
+       [PCF50633_REGULATOR_HCLDO] =
+-              PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO),
++              PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
+       [PCF50633_REGULATOR_MEMLDO] =
+-              PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO),
++              PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 27),
+ };
+ 
+ static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)