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@@ -163,6 +163,38 @@ static int palmas_smps_val(struct udevice *dev, int op, int *uV)
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return pmic_reg_write(dev->parent, adr, ret);
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}
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+static int palmas_ldo_bypass_enable(struct udevice *dev, bool enabled)
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+{
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+ int type = dev_get_driver_data(dev_get_parent(dev));
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+ struct dm_regulator_uclass_platdata *p;
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+ unsigned int adr;
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+ int reg;
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+
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+ if (type == TPS65917) {
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+ /* bypass available only on LDO1 and LDO2 */
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+ if (dev->driver_data > 2)
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+ return -ENOTSUPP;
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+ } else if (type == TPS659038) {
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+ /* bypass available only on LDO9 */
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+ if (dev->driver_data != 9)
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+ return -ENOTSUPP;
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+ }
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+
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+ p = dev_get_uclass_platdata(dev);
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+ adr = p->ctrl_reg;
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+
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+ reg = pmic_reg_read(dev->parent, adr);
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+ if (reg < 0)
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+ return reg;
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+
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+ if (enabled)
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+ reg |= PALMAS_LDO_BYPASS_EN;
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+ else
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+ reg &= ~PALMAS_LDO_BYPASS_EN;
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+
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+ return pmic_reg_write(dev->parent, adr, reg);
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+}
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+
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static int palmas_ldo_enable(struct udevice *dev, int op, bool *enable)
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{
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int ret;
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@@ -194,6 +226,10 @@ static int palmas_ldo_enable(struct udevice *dev, int op, bool *enable)
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ret = pmic_reg_write(dev->parent, adr, ret);
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if (ret)
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return ret;
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+
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+ ret = palmas_ldo_bypass_enable(dev, false);
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+ if (ret && (ret != -ENOTSUPP))
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+ return ret;
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}
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return 0;
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