123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687 |
- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright 2019 NXP
- */
- #define DEBUG
- #include <common.h>
- #include <dm.h>
- #include <power-domain-uclass.h>
- #include <asm/arch/power-domain.h>
- #include <asm/arch/sci/sci.h>
- 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,
- .rfree = 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,
- };
|