board: phytec: phycore-imx8mp: Enable DVS1 control

Enable DVS1 control through PMIC_STBY_REQ.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/board/phytec/phycore_imx8mp/spl.c b/board/phytec/phycore_imx8mp/spl.c
index 815ca9b..19c486e 100644 (file)
--- a/board/phytec/phycore_imx8mp/spl.c
+++ b/board/phytec/phycore_imx8mp/spl.c
@@ -66,7 +66,11 @@ int power_init_board(void)
        pmic_reg_write(p, PCA9450_BUCK1OUT_DVS0, 0x1C);
        pmic_reg_write(p, PCA9450_BUCK2OUT_DVS0, 0x1C);
 
-       /* set WDOG_B_CFG to cold reset */
+       /* Set BUCK1 DVS1 to suspend controlled through PMIC_STBY_REQ */
+       pmic_reg_write(p, PCA9450_BUCK1OUT_DVS1, 0x14);
+       pmic_reg_write(p, PCA9450_BUCK1CTRL, 0x59);
+
+       /* Set WDOG_B_CFG to cold reset */
        pmic_reg_write(p, PCA9450_RESET_CTRL, 0xA1);
 
        return 0;