regulator: s2mps11: Add DT support
This patch adds DT support for parsing regulators constraints for parent(mfd) node and moves some common intialising code out of loop while registering. Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
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939c02777a
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a50c6b3255
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@ -16,13 +16,17 @@
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#include <linux/gpio.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regmap.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/of_regulator.h>
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#include <linux/mfd/samsung/core.h>
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#include <linux/mfd/samsung/s2mps11.h>
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#define S2MPS11_REGULATOR_CNT ARRAY_SIZE(regulators)
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struct s2mps11_info {
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struct regulator_dev *rdev[S2MPS11_REGULATOR_MAX];
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@ -407,22 +411,38 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
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{
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struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
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struct sec_platform_data *pdata = dev_get_platdata(iodev->dev);
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struct of_regulator_match rdata[S2MPS11_REGULATOR_MAX];
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struct device_node *reg_np = NULL;
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struct regulator_config config = { };
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struct s2mps11_info *s2mps11;
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int i, ret;
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unsigned char ramp_enable, ramp_reg = 0;
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if (!pdata) {
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dev_err(pdev->dev.parent, "Platform data not supplied\n");
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return -ENODEV;
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}
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s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
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GFP_KERNEL);
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if (!s2mps11)
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return -ENOMEM;
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platform_set_drvdata(pdev, s2mps11);
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if (!iodev->dev->of_node)
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goto p_data;
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for (i = 0; i < S2MPS11_REGULATOR_CNT; i++)
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rdata[i].name = regulators[i].name;
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reg_np = of_find_node_by_name(iodev->dev->of_node, "regulators");
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if (!reg_np) {
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dev_err(&pdev->dev, "could not find regulators sub-node\n");
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return -EINVAL;
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}
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of_regulator_match(&pdev->dev, reg_np, rdata, S2MPS11_REGULATOR_MAX);
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goto common_reg;
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p_data:
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if (!pdata) {
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dev_err(pdev->dev.parent, "Platform data not supplied\n");
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return -ENODEV;
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}
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s2mps11->ramp_delay2 = pdata->buck2_ramp_delay;
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s2mps11->ramp_delay34 = pdata->buck34_ramp_delay;
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@ -454,12 +474,19 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
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ramp_reg |= get_ramp_delay(s2mps11->ramp_delay9);
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sec_reg_write(iodev, S2MPS11_REG_RAMP_BUCK, ramp_reg);
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for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) {
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common_reg:
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platform_set_drvdata(pdev, s2mps11);
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config.dev = &pdev->dev;
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config.regmap = iodev->regmap;
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config.init_data = pdata->regulators[i].initdata;
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config.driver_data = s2mps11;
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config.dev = &pdev->dev;
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config.regmap = iodev->regmap;
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config.driver_data = s2mps11;
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for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) {
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if (!reg_np) {
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config.init_data = pdata->regulators[i].initdata;
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} else {
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config.init_data = rdata[i].init_data;
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config.of_node = rdata[i].of_node;
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}
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s2mps11->rdev[i] = regulator_register(®ulators[i], &config);
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if (IS_ERR(s2mps11->rdev[i])) {
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