projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| afd267af PF |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | |
| 3 | * Copyright 2019 NXP | |
| 4 | */ | |
| 5 | ||
| 6 | #define DEBUG | |
| 7 | #include <common.h> | |
| 8 | #include <dm.h> | |
| f7ae49fc | 9 | #include <log.h> |
| 336d4615 | 10 | #include <malloc.h> |
| afd267af PF |
11 | #include <power-domain-uclass.h> |
| 12 | #include <asm/arch/power-domain.h> | |
| 99ac6c76 | 13 | #include <firmware/imx/sci/sci.h> |
| afd267af | 14 | |
| afd267af PF |
15 | static int imx8_power_domain_on(struct power_domain *power_domain) |
| 16 | { | |
| 17 | u32 resource_id = power_domain->id; | |
| 18 | int ret; | |
| 19 | ||
| 20 | debug("%s: resource_id %u\n", __func__, resource_id); | |
| 21 | ||
| 22 | ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_ON); | |
| 23 | if (ret) { | |
| 24 | printf("Error: %u Power up failed! (error = %d)\n", | |
| 25 | resource_id, ret); | |
| 26 | return ret; | |
| 27 | } | |
| 28 | ||
| 29 | return 0; | |
| 30 | } | |
| 31 | ||
| 32 | static int imx8_power_domain_off(struct power_domain *power_domain) | |
| 33 | { | |
| 34 | u32 resource_id = power_domain->id; | |
| 35 | int ret; | |
| 36 | ||
| 37 | debug("%s: resource_id %u\n", __func__, resource_id); | |
| 38 | ||
| 39 | ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_OFF); | |
| 40 | if (ret) { | |
| 41 | printf("Error: %u Power off failed! (error = %d)\n", | |
| 42 | resource_id, ret); | |
| 43 | return ret; | |
| 44 | } | |
| 45 | ||
| 46 | return 0; | |
| 47 | } | |
| 48 | ||
| afd267af PF |
49 | static const struct udevice_id imx8_power_domain_ids[] = { |
| 50 | { .compatible = "fsl,imx8qxp-scu-pd" }, | |
| 51 | { .compatible = "fsl,scu-pd" }, | |
| 52 | { } | |
| 53 | }; | |
| 54 | ||
| 55 | struct power_domain_ops imx8_power_domain_ops_v2 = { | |
| afd267af PF |
56 | .on = imx8_power_domain_on, |
| 57 | .off = imx8_power_domain_off, | |
| 58 | }; | |
| 59 | ||
| 60 | U_BOOT_DRIVER(imx8_power_domain_v2) = { | |
| 61 | .name = "imx8_power_domain_v2", | |
| 62 | .id = UCLASS_POWER_DOMAIN, | |
| 63 | .of_match = imx8_power_domain_ids, | |
| afd267af PF |
64 | .ops = &imx8_power_domain_ops_v2, |
| 65 | }; |