diff --git a/drivers/power/domain/Makefile b/drivers/power/domain/Makefile index 6bd090562f..45bf9f6383 100644 --- a/drivers/power/domain/Makefile +++ b/drivers/power/domain/Makefile @@ -5,7 +5,7 @@ obj-$(CONFIG_$(SPL_)POWER_DOMAIN) += power-domain-uclass.o obj-$(CONFIG_BCM6328_POWER_DOMAIN) += bcm6328-power-domain.o -obj-$(CONFIG_IMX8_POWER_DOMAIN) += imx8-power-domain-legacy.o +obj-$(CONFIG_IMX8_POWER_DOMAIN) += imx8-power-domain-legacy.o imx8-power-domain.o obj-$(CONFIG_IMX8M_POWER_DOMAIN) += imx8m-power-domain.o obj-$(CONFIG_MTK_POWER_DOMAIN) += mtk-power-domain.o obj-$(CONFIG_MESON_GX_VPU_POWER_DOMAIN) += meson-gx-pwrc-vpu.o diff --git a/drivers/power/domain/imx8-power-domain.c b/drivers/power/domain/imx8-power-domain.c new file mode 100644 index 0000000000..aa768365b4 --- /dev/null +++ b/drivers/power/domain/imx8-power-domain.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2019 NXP + */ + +#define DEBUG +#include +#include +#include +#include +#include + +static int imx8_power_domain_request(struct power_domain *power_domain) +{ + debug("%s(power_domain=%p)\n", __func__, power_domain); + + return 0; +} + +static int imx8_power_domain_free(struct power_domain *power_domain) +{ + debug("%s(power_domain=%p)\n", __func__, power_domain); + + return 0; +} + +static int imx8_power_domain_on(struct power_domain *power_domain) +{ + u32 resource_id = power_domain->id; + int ret; + + debug("%s: resource_id %u\n", __func__, resource_id); + + ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_ON); + if (ret) { + printf("Error: %u Power up failed! (error = %d)\n", + resource_id, ret); + return ret; + } + + return 0; +} + +static int imx8_power_domain_off(struct power_domain *power_domain) +{ + u32 resource_id = power_domain->id; + int ret; + + debug("%s: resource_id %u\n", __func__, resource_id); + + ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_OFF); + if (ret) { + printf("Error: %u Power off failed! (error = %d)\n", + resource_id, ret); + return ret; + } + + return 0; +} + +static int imx8_power_domain_probe(struct udevice *dev) +{ + debug("%s(dev=%s)\n", __func__, dev->name); + + return 0; +} + +static const struct udevice_id imx8_power_domain_ids[] = { + { .compatible = "fsl,imx8qxp-scu-pd" }, + { .compatible = "fsl,scu-pd" }, + { } +}; + +struct power_domain_ops imx8_power_domain_ops_v2 = { + .request = imx8_power_domain_request, + .free = imx8_power_domain_free, + .on = imx8_power_domain_on, + .off = imx8_power_domain_off, +}; + +U_BOOT_DRIVER(imx8_power_domain_v2) = { + .name = "imx8_power_domain_v2", + .id = UCLASS_POWER_DOMAIN, + .of_match = imx8_power_domain_ids, + .probe = imx8_power_domain_probe, + .ops = &imx8_power_domain_ops_v2, +};