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ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
authorMarco Felsch <m.felsch@pengutronix.de>
Thu, 27 Feb 2020 11:02:46 +0000 (12:02 +0100)
committerShawn Guo <shawnguo@kernel.org>
Wed, 11 Mar 2020 08:28:33 +0000 (16:28 +0800)
The current set minimum voltage of 730000µV seems to be wrong. I don't
know the document which specifies that but the imx6qdl datasheets says
that the minimum voltage should be 0.925V for VDD_ARM (LDO bypassed,
lowest opp) and 1.15V for VDD_SOC (LDO bypassed, lowest opp).

Fixes: ddec5d1c0047 ("ARM: dts: imx6: Add initial support for phyCORE-i.MX 6 SOM")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi

index 4d18952..77d8713 100644 (file)
                regulators {
                        vdd_arm: buck1 {
                                regulator-name = "vdd_arm";
-                               regulator-min-microvolt = <730000>;
+                               regulator-min-microvolt = <925000>;
                                regulator-max-microvolt = <1380000>;
                                regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>;
                                regulator-always-on;
 
                        vdd_soc: buck2 {
                                regulator-name = "vdd_soc";
-                               regulator-min-microvolt = <730000>;
+                               regulator-min-microvolt = <1150000>;
                                regulator-max-microvolt = <1380000>;
                                regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>;
                                regulator-always-on;