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authorMarcus Folkesson <marcus.folkesson@gmail.com>2011-08-08 20:29:32 +0200
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-08-28 17:43:40 +0100
commitf068ad8cca7532bc42115d61489de00fe57c3909 (patch)
treeed8ccc3db350eded52681950e93cfdba6bb8a354 /drivers/regulator
parentba55a9741da6c85176987c15e24383b858749aa2 (diff)
downloadlinaro-lsk-f068ad8cca7532bc42115d61489de00fe57c3909.tar.gz
regulator: tps65023: Fixes i2c configuration issues
Allow i2c core voltage adjustments by clearing CORE ADJ Allowed bit in CTRL2 Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/tps65023-regulator.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index a81abd4871b..b912daae9fa 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -70,6 +70,13 @@
#define TPS65023_REG_CTRL2_DCDC1 BIT(2)
#define TPS65023_REG_CTRL2_DCDC3 BIT(0)
+/* REG_CTRL2 bitfields */
+#define TPS65023_REG_CTRL2_GO BIT(7)
+#define TPS65023_REG_CTRL2_CORE_ADJ BIT(6)
+#define TPS65023_REG_CTRL2_DCDC2 BIT(2)
+#define TPS65023_REG_CTRL2_DCDC1 BIT(1)
+#define TPS65023_REG_CTRL2_DCDC3 BIT(0)
+
/* LDO_CTRL bitfields */
#define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4)
#define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0xF0 >> ((ldo_id)*4))
@@ -486,6 +493,10 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2,
TPS65023_REG_CTRL2_CORE_ADJ);
+ /* Enable setting output voltage by I2C */
+ tps_65023_clear_bits(tps, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_CORE_ADJ);
+
return 0;
fail: