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// 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,
.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,
};
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