mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright 2019 NXP
|
|
*/
|
|
|
|
#define DEBUG
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <log.h>
|
|
#include <malloc.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,
|
|
};
|