
Hi Marek
On 3/27/20 12:37 AM, Marek Vasut wrote:
The core and vdd PMIC buck regulators were misconfigured, which caused instability of the board and malfunction of high-speed interfaces, like the RGMII. Furthermore, the vtt_ddr was also wrong. Configure the PMIC correctly to repair these problems.
Signed-off-by: Marek Vasut marex@denx.de Cc: Patrick Delaunay patrick.delaunay@st.com Cc: Patrice Chotard patrice.chotard@st.com
arch/arm/dts/stm32mp157a-avenger96.dts | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/arm/dts/stm32mp157a-avenger96.dts b/arch/arm/dts/stm32mp157a-avenger96.dts index b6c984171a..8e36df8787 100644 --- a/arch/arm/dts/stm32mp157a-avenger96.dts +++ b/arch/arm/dts/stm32mp157a-avenger96.dts @@ -153,7 +153,7 @@
vddcore: buck1 { regulator-name = "vddcore";
regulator-min-microvolt = <1200000>;
regulator-min-microvolt = <800000>; regulator-max-microvolt = <1350000>; regulator-always-on; regulator-initial-mode = <0>;
@@ -171,8 +171,8 @@
vdd: buck3 { regulator-name = "vdd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>; regulator-always-on; st,mask_reset; regulator-initial-mode = <0>;
@@ -206,8 +206,8 @@
vtt_ddr: ldo3 { regulator-name = "vtt_ddr";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <750000>;
regulator-min-microvolt = <0>;
regulator-max-microvolt = <1000000>; regulator-always-on; regulator-over-current-protection; };
@@ -254,6 +254,7 @@ regulator-name = "vbus_otg"; interrupts = <IT_OCP_OTG 0>; interrupt-parent = <&pmic>;
regulator-active-discharge = <1>; }; vbus_sw: pwr_sw2 {
Reviewed-by: Patrice Chotard patrice.chotard@st.com
Thanks