diff options
| -rw-r--r-- | drivers/power/pmic/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/power/pmic/axp.c | 49 |
2 files changed, 50 insertions, 1 deletions
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index 92e2ace279..b9fda428df 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -66,6 +66,8 @@ config PMIC_ACT8846 config PMIC_AXP bool "Enable Driver Model for X-Powers AXP PMICs" depends on DM_I2C + select SYSRESET_CMD_POWEROFF if SYSRESET && CMD_POWEROFF + imply CMD_POWEROFF if SYSRESET help This config enables driver-model PMIC uclass features for X-Powers AXP152, AXP2xx, and AXP8xx PMICs. diff --git a/drivers/power/pmic/axp.c b/drivers/power/pmic/axp.c index 74c94bdb47..0f2b24a8b5 100644 --- a/drivers/power/pmic/axp.c +++ b/drivers/power/pmic/axp.c @@ -1,8 +1,37 @@ // SPDX-License-Identifier: GPL-2.0+ +#include <axp_pmic.h> #include <dm.h> +#include <dm/lists.h> #include <i2c.h> #include <power/pmic.h> +#include <sysreset.h> + +#if CONFIG_IS_ENABLED(SYSRESET) +static int axp_sysreset_request(struct udevice *dev, enum sysreset_t type) +{ + int ret; + + if (type != SYSRESET_POWER_OFF) + return -EPROTONOSUPPORT; + + ret = pmic_clrsetbits(dev->parent, AXP152_SHUTDOWN, 0, AXP152_POWEROFF); + if (ret < 0) + return ret; + + return -EINPROGRESS; +} + +static struct sysreset_ops axp_sysreset_ops = { + .request = axp_sysreset_request, +}; + +U_BOOT_DRIVER(axp_sysreset) = { + .name = "axp_sysreset", + .id = UCLASS_SYSRESET, + .ops = &axp_sysreset_ops, +}; +#endif static int axp_pmic_reg_count(struct udevice *dev) { @@ -16,6 +45,24 @@ static struct dm_pmic_ops axp_pmic_ops = { .write = dm_i2c_write, }; +static int axp_pmic_bind(struct udevice *dev) +{ + int ret; + + ret = dm_scan_fdt_dev(dev); + if (ret) + return ret; + + if (CONFIG_IS_ENABLED(SYSRESET)) { + ret = device_bind_driver_to_node(dev, "axp_sysreset", "axp_sysreset", + dev_ofnode(dev), NULL); + if (ret) + return ret; + } + + return 0; +} + static const struct udevice_id axp_pmic_ids[] = { { .compatible = "x-powers,axp152" }, { .compatible = "x-powers,axp202" }, @@ -33,6 +80,6 @@ U_BOOT_DRIVER(axp_pmic) = { .name = "axp_pmic", .id = UCLASS_PMIC, .of_match = axp_pmic_ids, - .bind = dm_scan_fdt_dev, + .bind = axp_pmic_bind, .ops = &axp_pmic_ops, }; |