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ARM: dts: stm32: Fix AV96 and DHCOR split

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The commit 132e5b6898 ("ARM: dts: stm32: Split AV96 into DHCOR SoM
and AV96 board") was not applied correctly and in full, and omitted
an important split of the SoM into 3V3 and 1V8 options. The Avenger96
board is based on the 1V8 IO option of the DHCOR SoM, however this is
an optional modification of the 3V3 IO DHCOR SoM with extra on-SoM
regulator to cater for the 96boards 1V8 IO requirements.

Reinstate the split between the 1V8 and 3V3 IO variants.

Fixes: 132e5b6898 ("ARM: dts: stm32: Split AV96 into DHCOR SoM and AV96 board")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Marek Vasut 2020-04-27 13:16:02 +02:00 committed by Patrick Delaunay
parent 5eff168470
commit 1ca5017418
3 changed files with 26 additions and 13 deletions
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2
arch/arm/dts/stm32mp15xx-dhcor-avenger96.dts
View file

@ -7,7 +7,7 @@
/dts-v1/;
#include "stm32mp15xx-dhcor.dtsi"
#include "stm32mp15xx-dhcor-io1v8.dtsi"
#include "stm32mp15xx-dhcor-avenger96-u-boot.dtsi"
/ {

24
arch/arm/dts/stm32mp15xx-dhcor-io1v8.dtsi Normal file
View file

@ -0,0 +1,24 @@
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*/
#include "stm32mp15xx-dhcor-io3v3.dtsi"
/ {
/* Enpirion EP3A8LQI U2 on the 1V8 IO DHCOR */
vdd_io: regulator-buck-io {
compatible = "regulator-fixed";
regulator-name = "buck-io";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vdd>;
};
};
&pwr_regulators {
vdd-supply = <&vdd_io>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};

13
arch/arm/dts/stm32mp15xx-dhcor.dtsi → arch/arm/dts/stm32mp15xx-dhcor-io3v3.dtsi
View file

@ -21,17 +21,6 @@
device_type = "memory";
reg = <0xc0000000 0x40000000>;
};
/* Enpirion EP3A8LQI U2 on the DHCOR */
vdd_io: regulator-buck-io {
compatible = "regulator-fixed";
regulator-name = "buck-io";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vdd>;
};
};
&i2c4 {
@ -200,7 +189,7 @@
};
&pwr_regulators {
vdd-supply = <&vdd_io>;
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};