power: regulator: pca9450: Update the BUCK1 voltage range

The pmic could be trimed with updated BUCK1 range, so update the range
for trimed pmic. The default value of Toff_Deb is used to distinguish
the non-trimed and trimed pmic.

Signed-off-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/power/regulator/pca9450.c b/drivers/power/regulator/pca9450.c
index 9faf1eab5f90739e85e901cdd52ce9aa2156d322..86b22ead6299933321bea338fbf89a014b9edcae 100644 (file)
--- a/drivers/power/regulator/pca9450.c
+++ b/drivers/power/regulator/pca9450.c
@@ -71,6 +71,10 @@ static struct pca9450_vrange pca9450_buck123_vranges[] = {
        PCA_RANGE(600000, 12500, 0, 0x7f),
 };
 
+static struct pca9450_vrange pca9450_trim_buck13_vranges[] = {
+       PCA_RANGE(650000, 12500, 0, 0x7f),
+};
+
 static struct pca9450_vrange pca9450_buck456_vranges[] = {
        PCA_RANGE(600000, 25000, 0, 0x70),
        PCA_RANGE(3400000, 0, 0x71, 0x7f),
@@ -105,12 +109,18 @@ static struct pca9450_plat pca9450_reg_data[] = {
        PCA_DATA("BUCK1", PCA9450_BUCK1CTRL, HW_STATE_CONTROL,
                 PCA9450_BUCK1OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
                 pca9450_buck123_vranges),
+       PCA_DATA("BUCK1_TRIM", PCA9450_BUCK1CTRL, HW_STATE_CONTROL,
+                PCA9450_BUCK1OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
+                pca9450_trim_buck13_vranges),
        PCA_DATA("BUCK2", PCA9450_BUCK2CTRL, HW_STATE_CONTROL,
                 PCA9450_BUCK2OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
                 pca9450_buck123_vranges),
        PCA_DATA("BUCK3", PCA9450_BUCK3CTRL, HW_STATE_CONTROL,
                 PCA9450_BUCK3OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
                 pca9450_buck123_vranges),
+       PCA_DATA("BUCK3_TRIM", PCA9450_BUCK3CTRL, HW_STATE_CONTROL,
+                PCA9450_BUCK3OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
+                pca9450_trim_buck13_vranges),
        /* Bucks 4-6 which do not support dynamic voltage scaling */
        PCA_DATA("BUCK4", PCA9450_BUCK4CTRL, HW_STATE_CONTROL,
                 PCA9450_BUCK4OUT, PCA9450_DVS_BUCK_RUN_MASK,
@@ -271,7 +281,9 @@ static int pca9450_set_value(struct udevice *dev, int uvolt)
 static int pca9450_regulator_probe(struct udevice *dev)
 {
        struct pca9450_plat *plat = dev_get_plat(dev);
-       int i, type;
+       int i, type, ret;
+       unsigned int val;
+       bool pmic_trim = false;
 
        type = dev_get_driver_data(dev_get_parent(dev));
 
@@ -281,10 +293,25 @@ static int pca9450_regulator_probe(struct udevice *dev)
                return -EINVAL;
        }
 
+       ret = pmic_reg_read(dev->parent, PCA9450_PWR_CTRL);
+       if (ret < 0)
+               return ret;
+
+       val = ret;
+
+       if (type == NXP_CHIP_TYPE_PCA9451A && (val & PCA9450_REG_PWRCTRL_TOFF_DEB))
+               pmic_trim = true;
+
        for (i = 0; i < ARRAY_SIZE(pca9450_reg_data); i++) {
                if (strcmp(dev->name, pca9450_reg_data[i].name))
                        continue;
 
+               if (pmic_trim && (!strcmp(pca9450_reg_data[i].name, "BUCK1") ||
+                                 !strcmp(pca9450_reg_data[i].name, "BUCK3"))) {
+                       *plat = pca9450_reg_data[i + 1];
+                       return 0;
+               }
+
                /* PCA9450B/PCA9450C uses BUCK1 and BUCK3 in dual-phase */
                if (type == NXP_CHIP_TYPE_PCA9450BC &&
                    !strcmp(pca9450_reg_data[i].name, "BUCK3")) {