@@ -178,7 +178,7 @@ regulators {
vddcore: buck1 {
regulator-name = "vddcore";
- regulator-min-microvolt = <1200000>;
+ regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-initial-mode = <0>;
@@ -196,8 +196,8 @@ vdd_ddr: buck2 {
vdd: buck3 {
regulator-name = "vdd";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
regulator-always-on;
regulator-initial-mode = <0>;
regulator-over-current-protection;
@@ -275,6 +275,7 @@ vbus_otg: pwr_sw1 {
regulator-name = "vbus_otg";
interrupts = <IT_OCP_OTG 0>;
interrupt-parent = <&pmic>;
+ regulator-active-discharge = <1>;
};
vbus_sw: pwr_sw2 {
The core and vdd PMIC buck regulators were misconfigured, which caused instability of the board and malfunction of high-speed interfaces, like the RGMII. Configure the PMIC correctly to repair these problems. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org --- arch/arm/boot/dts/stm32mp157a-avenger96.dts | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)