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authorChris Zhong <zyw@rock-chips.com>2014-09-10 05:18:06 +0400
committerMark Brown <broonie@kernel.org>2014-09-10 14:50:43 +0400
commit571a4010847a8b03c88de6543c5c00878a7e97d3 (patch)
tree23e65270891f094d3b529a0fc6f86c6c714fb61f /drivers/regulator/rk808-regulator.c
parentb8074eba2a6b5b1b090cf9c53dbccf3bc3e5205a (diff)
downloadlinux-571a4010847a8b03c88de6543c5c00878a7e97d3.tar.xz
regulator: rk808: Remove pdata from the regulator
Signed-off-by: Chris Zhong <zyw@rock-chips.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/rk808-regulator.c')
-rw-r--r--drivers/regulator/rk808-regulator.c89
1 files changed, 17 insertions, 72 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index e3720085b4ce..d91f2b658080 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -14,24 +14,16 @@
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
- *
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/i2c.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
#include <linux/mfd/rk808.h>
-#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
-#include <linux/regmap.h>
-#include <linux/slab.h>
-/*
- * Field Definitions.
- */
+
+/* Field Definitions */
#define RK808_BUCK_VSEL_MASK 0x3f
#define RK808_BUCK4_VSEL_MASK 0xf
#define RK808_LDO_VSEL_MASK 0x1f
@@ -50,10 +42,6 @@ static const int buck_contr_base_addr[] = {
RK808_BUCK4_CONFIG_REG,
};
-#define rk808_BUCK_SET_VOL_REG(x) (buck_set_vol_base_addr[x])
-#define rk808_BUCK_CONTR_REG(x) (buck_contr_base_addr[x])
-#define rk808_LDO_SET_VOL_REG(x) (ldo_set_vol_base_addr[x])
-
static const int ldo_set_vol_base_addr[] = {
RK808_LDO1_ON_VSEL_REG,
RK808_LDO2_ON_VSEL_REG,
@@ -65,9 +53,7 @@ static const int ldo_set_vol_base_addr[] = {
RK808_LDO8_ON_VSEL_REG,
};
-/*
- * rk808 voltage number
- */
+/* rk808 voltage number */
static const struct regulator_linear_range rk808_buck_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500),
};
@@ -308,77 +294,35 @@ static struct of_regulator_match rk808_reg_matches[] = {
[RK808_ID_SWITCH2] = { .name = "SWITCH_REG2" },
};
-static int rk808_regulator_dts(struct i2c_client *client,
- struct rk808_board *pdata)
-{
- struct device_node *np, *reg_np;
- int i, ret;
-
- np = client->dev.of_node;
- if (!np) {
- dev_err(&client->dev, "could not find pmic sub-node\n");
- return -ENXIO;
- }
-
- reg_np = of_get_child_by_name(np, "regulators");
- if (!reg_np)
- return -ENXIO;
-
- ret = of_regulator_match(&client->dev, reg_np, rk808_reg_matches,
- RK808_NUM_REGULATORS);
- if (ret < 0) {
- dev_err(&client->dev,
- "failed to parse regulator data: %d\n", ret);
- return ret;
- }
-
- for (i = 0; i < RK808_NUM_REGULATORS; i++) {
- if (!rk808_reg_matches[i].init_data ||
- !rk808_reg_matches[i].of_node)
- continue;
-
- pdata->rk808_init_data[i] = rk808_reg_matches[i].init_data;
- pdata->of_node[i] = rk808_reg_matches[i].of_node;
- }
-
- return 0;
-}
-
static int rk808_regulator_probe(struct platform_device *pdev)
{
struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
struct i2c_client *client = rk808->i2c;
- struct rk808_board *pdata = dev_get_platdata(&client->dev);
+ struct device_node *reg_np;
struct regulator_config config = {};
struct regulator_dev *rk808_rdev;
- struct regulator_init_data *reg_data;
- int i = 0;
- int ret = 0;
+ int ret, i;
- if (!pdata) {
- pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
- }
+ reg_np = of_get_child_by_name(client->dev.of_node, "regulators");
+ if (!reg_np)
+ return -ENXIO;
- ret = rk808_regulator_dts(client, pdata);
- if (ret)
+ ret = of_regulator_match(&client->dev, reg_np, rk808_reg_matches,
+ RK808_NUM_REGULATORS);
+ if (ret < 0)
return ret;
/* Instantiate the regulators */
for (i = 0; i < RK808_NUM_REGULATORS; i++) {
- reg_data = pdata->rk808_init_data[i];
- if (!reg_data)
+ if (!rk808_reg_matches[i].init_data ||
+ !rk808_reg_matches[i].of_node)
continue;
config.dev = &client->dev;
config.driver_data = rk808;
config.regmap = rk808->regmap;
-
- if (client->dev.of_node)
- config.of_node = pdata->of_node[i];
-
- config.init_data = reg_data;
+ config.of_node = rk808_reg_matches[i].of_node;
+ config.init_data = rk808_reg_matches[i].init_data;
rk808_rdev = devm_regulator_register(&pdev->dev,
&rk808_reg[i], &config);
@@ -388,6 +332,7 @@ static int rk808_regulator_probe(struct platform_device *pdev)
return PTR_ERR(rk808_rdev);
}
}
+
return 0;
}
@@ -403,6 +348,6 @@ module_platform_driver(rk808_regulator_driver);
MODULE_DESCRIPTION("regulator driver for the rk808 series PMICs");
MODULE_AUTHOR("Chris Zhong<zyw@rock-chips.com>");
-MODULE_AUTHOR("Zhang Qing<zhanqging@rock-chips.com>");
+MODULE_AUTHOR("Zhang Qing<zhangqing@rock-chips.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rk808-regulator");