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misc: ele_api: Add Voltage change start and finish APIs

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On GDET enabled part, need to call voltage change start and finish
APIs when adjust the voltage more than 100mv. Otherwise GDET will be
triggered and system is reset

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li
2026-01-08 19:06:56 +08:00
committed by Fabio Estevam
parent ab24985b8c
commit e77d6948f5
2 changed files with 54 additions and 0 deletions
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50
drivers/misc/imx_ele/ele_api.c
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@@ -794,3 +794,53 @@ int ele_generate_dek_blob(u32 key_id, u32 src_paddr, u32 dst_paddr, u32 max_outp
return ret;
}
int ele_volt_change_start_req(void)
{
struct udevice *dev = gd->arch.ele_dev;
int size = sizeof(struct ele_msg);
struct ele_msg msg = {};
int ret;
if (!dev) {
printf("ele dev is not initialized\n");
return -ENODEV;
}
msg.version = ELE_VERSION;
msg.tag = ELE_CMD_TAG;
msg.size = 1;
msg.command = ELE_VOLT_CHANGE_START_REQ;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
return ret;
}
int ele_volt_change_finish_req(void)
{
struct udevice *dev = gd->arch.ele_dev;
int size = sizeof(struct ele_msg);
struct ele_msg msg = {};
int ret;
if (!dev) {
printf("ele dev is not initialized\n");
return -ENODEV;
}
msg.version = ELE_VERSION;
msg.tag = ELE_CMD_TAG;
msg.size = 1;
msg.command = ELE_VOLT_CHANGE_FINISH_REQ;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
return ret;
}