[PATCH 13/13] imx93_qsb: Invoke the ELE voltage APIs when adjust VDD_SOC voltage
Peng Fan (OSS)
peng.fan at oss.nxp.com
Thu Jan 8 12:06:58 CET 2026
From: Peng Fan <peng.fan at nxp.com>
SPL will adjust VDD_SOC to OD voltage, because some PMIC uses
0.8V as default for VDD_SOC. So need to call the voltage change
APIs to avoid ELE Glitch Detection triggered reset.
Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
board/freescale/imx93_qsb/spl.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/board/freescale/imx93_qsb/spl.c b/board/freescale/imx93_qsb/spl.c
index 7d0f225c9b5..9e64714521b 100644
--- a/board/freescale/imx93_qsb/spl.c
+++ b/board/freescale/imx93_qsb/spl.c
@@ -81,6 +81,8 @@ int power_init_board(void)
printf("PMIC: Over Drive Voltage Mode\n");
}
+ ele_volt_change_start_req();
+
if (val & PCA9450_REG_PWRCTRL_TOFF_DEB) {
pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS0, buck_val);
pmic_reg_write(dev, PCA9450_BUCK3OUT_DVS0, buck_val);
@@ -89,6 +91,8 @@ int power_init_board(void)
pmic_reg_write(dev, PCA9450_BUCK3OUT_DVS0, buck_val + 0x4);
}
+ ele_volt_change_finish_req();
+
/* set standby voltage to 0.65v */
if (val & PCA9450_REG_PWRCTRL_TOFF_DEB)
pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS1, 0x0);
--
2.51.0
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