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power: pmic: Add NXP PCA9451A PMIC support

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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>
This commit is contained in:
Ye Li 2023-02-03 18:24:36 +08:00 committed by Stefano Babic
parent 20ba9f252a
commit 69c573ca89
3 changed files with 12 additions and 1 deletions
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1
drivers/power/pmic/pca9450.c
View file

@ -120,6 +120,7 @@ static const struct udevice_id pca9450_ids[] = {
{ .compatible = "nxp,pca9450a", .data = NXP_CHIP_TYPE_PCA9450A, }, { .compatible = "nxp,pca9450a", .data = NXP_CHIP_TYPE_PCA9450A, },
{ .compatible = "nxp,pca9450b", .data = NXP_CHIP_TYPE_PCA9450BC, }, { .compatible = "nxp,pca9450b", .data = NXP_CHIP_TYPE_PCA9450BC, },
{ .compatible = "nxp,pca9450c", .data = NXP_CHIP_TYPE_PCA9450BC, }, { .compatible = "nxp,pca9450c", .data = NXP_CHIP_TYPE_PCA9450BC, },
{ .compatible = "nxp,pca9451a", .data = NXP_CHIP_TYPE_PCA9451A, },
{ } { }
}; };

11
drivers/power/regulator/pca9450.c
View file

@ -276,7 +276,8 @@ static int pca9450_regulator_probe(struct udevice *dev)
type = dev_get_driver_data(dev_get_parent(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"); debug("Unknown PMIC type\n");
return -EINVAL; return -EINVAL;
} }
@ -291,6 +292,14 @@ static int pca9450_regulator_probe(struct udevice *dev)
continue; 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]; *plat = pca9450_reg_data[i];
return 0; return 0;

1
include/power/pca9450.h
View file

@ -59,6 +59,7 @@ int power_pca9450_init(unsigned char bus, unsigned char addr);
enum { enum {
NXP_CHIP_TYPE_PCA9450A = 0, NXP_CHIP_TYPE_PCA9450A = 0,
NXP_CHIP_TYPE_PCA9450BC, NXP_CHIP_TYPE_PCA9450BC,
NXP_CHIP_TYPE_PCA9451A,
NXP_CHIP_TYPE_AMOUNT NXP_CHIP_TYPE_AMOUNT
}; };