power: pmic: Add NXP PCA9451A PMIC support

PCA9451A uses similar BUCKs and LDO regulators as PCA9450B/C but
has LDO2 and LDO3 removed. So reuse pca9450 PMIC and regulator driver
and add new type for PCA9451A.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/power/pmic/pca9450.c b/drivers/power/pmic/pca9450.c
index 2427abf..e99ece8 100644 (file)
--- a/drivers/power/pmic/pca9450.c
+++ b/drivers/power/pmic/pca9450.c
@@ -120,6 +120,7 @@ static const struct udevice_id pca9450_ids[] = {
        { .compatible = "nxp,pca9450a", .data = NXP_CHIP_TYPE_PCA9450A, },
        { .compatible = "nxp,pca9450b", .data = NXP_CHIP_TYPE_PCA9450BC, },
        { .compatible = "nxp,pca9450c", .data = NXP_CHIP_TYPE_PCA9450BC, },
+       { .compatible = "nxp,pca9451a", .data = NXP_CHIP_TYPE_PCA9451A, },
        { }
 };
 

diff --git a/drivers/power/regulator/pca9450.c b/drivers/power/regulator/pca9450.c
index fe18693..7ca20d1 100644 (file)
--- a/drivers/power/regulator/pca9450.c
+++ b/drivers/power/regulator/pca9450.c
@@ -276,7 +276,8 @@ static int pca9450_regulator_probe(struct udevice *dev)
 
        type = dev_get_driver_data(dev_get_parent(dev));
 
-       if (type != NXP_CHIP_TYPE_PCA9450A && type != NXP_CHIP_TYPE_PCA9450BC) {
+       if (type != NXP_CHIP_TYPE_PCA9450A && type != NXP_CHIP_TYPE_PCA9450BC &&
+           type != NXP_CHIP_TYPE_PCA9451A) {
                debug("Unknown PMIC type\n");
                return -EINVAL;
        }
@@ -291,6 +292,14 @@ static int pca9450_regulator_probe(struct udevice *dev)
                        continue;
                }
 
+               /* PCA9451A uses BUCK3 in dual-phase and don't have LDO2 and LDO3 */
+               if (type == NXP_CHIP_TYPE_PCA9451A &&
+                   (!strcmp(pca9450_reg_data[i].name, "BUCK3") ||
+                   !strcmp(pca9450_reg_data[i].name, "LDO2") ||
+                   !strcmp(pca9450_reg_data[i].name, "LDO3"))) {
+                       continue;
+               }
+
                *plat = pca9450_reg_data[i];
 
                return 0;

diff --git a/include/power/pca9450.h b/include/power/pca9450.h
index 6efecee..b8219d5 100644 (file)
--- a/include/power/pca9450.h
+++ b/include/power/pca9450.h
@@ -59,6 +59,7 @@ int power_pca9450_init(unsigned char bus, unsigned char addr);
 enum {
        NXP_CHIP_TYPE_PCA9450A = 0,
        NXP_CHIP_TYPE_PCA9450BC,
+       NXP_CHIP_TYPE_PCA9451A,
        NXP_CHIP_TYPE_AMOUNT
 };