diff options
author | Chris Zhong <zyw@rock-chips.com> | 2014-09-10 01:18:06 (GMT) |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2014-09-10 10:50:43 (GMT) |
commit | 571a4010847a8b03c88de6543c5c00878a7e97d3 (patch) | |
tree | 23e65270891f094d3b529a0fc6f86c6c714fb61f /drivers/regulator | |
parent | b8074eba2a6b5b1b090cf9c53dbccf3bc3e5205a (diff) | |
download | linux-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')
-rw-r--r-- | drivers/regulator/rk808-regulator.c | 89 |
1 files changed, 17 insertions, 72 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index e372008..d91f2b6 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"); |