From: Sangbeom Kim <sbkim73@samsung.com>
To: "'Mark Brown'" <broonie@opensource.wolfsonmicro.com>,
lrg@ti.com, linux-kernel@vger.kernel.org
Cc: sameo@linux.intel.com, sbkim01@gmail.com
Subject: [PATCH 2/2] regulator: Add support s5m8767 opmode operation
Date: Fri, 09 Mar 2012 17:55:34 +0900 [thread overview]
Message-ID: <06ad01ccfdd2$63ee8fc0$2bcbaf40$@com> (raw)
S5M8767A has 4 operation mode for BUCK/LDOs.
This patch can handle opmode for s5m8767a.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
---
drivers/regulator/s5m8767.c | 71 +++++++++++++++++++++++++++++++++++++------
1 files changed, 61 insertions(+), 10 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 3592ccb..ff69f50 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -28,6 +28,7 @@ struct s5m8767_info {
struct s5m87xx_dev *iodev;
int num_regulators;
struct regulator_dev **rdev;
+ struct s5m_opmode_data *opmode;
int ramp_delay;
bool buck2_ramp;
@@ -141,9 +142,56 @@ static int s5m8767_list_voltage(struct regulator_dev *rdev,
return val;
}
-static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
+unsigned int s5m8767_opmode_reg[][4] = {
+ /* {OFF, ON, LOWPOWER, SUSPEND} */
+ /* LDO1 ... LDO28 */
+ {0x0, 0x3, 0x2, 0x1}, /* LDO1 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO5 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO10 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO15 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO20 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO25 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO28 */
+
+ /* BUCK1 ... BUCK9 */
+ {0x0, 0x3, 0x1, 0x1}, /* BUCK1 */
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* BUCK5 */
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1}, /* BUCK9 */
+};
+
+static int s5m8767_get_register(struct regulator_dev *rdev, int *reg,
+ int *enable_ctrl)
{
int reg_id = rdev_get_id(rdev);
+ unsigned int mode;
+ struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO2:
@@ -168,6 +216,8 @@ static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
return -EINVAL;
}
+ mode = s5m8767->opmode[reg_id].mode;
+ *enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
return 0;
}
@@ -175,10 +225,10 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
u8 val;
- ret = s5m8767_get_register(rdev, ®);
+ ret = s5m8767_get_register(rdev, ®, &enable_ctrl);
if (ret == -EINVAL)
return 1;
else if (ret)
@@ -188,33 +238,33 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
if (ret)
return ret;
- return (val & mask) == pattern;
+ return (val & mask) == enable_ctrl;
}
static int s5m8767_reg_enable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
- ret = s5m8767_get_register(rdev, ®);
+ ret = s5m8767_get_register(rdev, ®, &enable_ctrl);
if (ret)
return ret;
- return s5m_reg_update(s5m8767->iodev, reg, pattern, mask);
+ return s5m_reg_update(s5m8767->iodev, reg, enable_ctrl, mask);
}
static int s5m8767_reg_disable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
- ret = s5m8767_get_register(rdev, ®);
+ ret = s5m8767_get_register(rdev, ®, &enable_ctrl);
if (ret)
return ret;
- return s5m_reg_update(s5m8767->iodev, reg, ~pattern, mask);
+ return s5m_reg_update(s5m8767->iodev, reg, ~mask, mask);
}
static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg)
@@ -576,6 +626,7 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
s5m8767->buck2_ramp = pdata->buck2_ramp_enable;
s5m8767->buck3_ramp = pdata->buck3_ramp_enable;
s5m8767->buck4_ramp = pdata->buck4_ramp_enable;
+ s5m8767->opmode = pdata->opmode;
for (i = 0; i < 8; i++) {
if (s5m8767->buck2_gpiodvs) {
--
1.7.1
next reply other threads:[~2012-03-09 8:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 8:55 Sangbeom Kim [this message]
2012-03-14 14:21 ` [PATCH 2/2] regulator: Add support s5m8767 opmode operation Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='06ad01ccfdd2$63ee8fc0$2bcbaf40$@com' \
--to=sbkim73@samsung.com \
--cc=broonie@opensource.wolfsonmicro.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lrg@ti.com \
--cc=sameo@linux.intel.com \
--cc=sbkim01@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.