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STM32 DT fixes for v5.10, round 1

Browse Source 
Highlights:
 -----------
 
  -On STM32MP157 DK & ED boards: Add Vin supply description to avoid
   random kernel crash due to vref_ddr regulator issue.
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Merge tag 'stm32-dt-for-v5.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into arm/fixes

STM32 DT fixes for v5.10, round 1

Highlights:
-----------

 -On STM32MP157 DK & ED boards: Add Vin supply description to avoid
  random kernel crash due to vref_ddr regulator issue.

* tag 'stm32-dt-for-v5.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
  ARM: dts: stm32: Describe Vin power supply on stm32mp157c-edx board
  ARM: dts: stm32: Describe Vin power supply on stm32mp15xx-dkx board

Link: https://lore.kernel.org/r/4ac236b3-b980-f653-f644-53e586570724@st.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-10-28 17:09:56 +01:00
commit 01eea23687
2 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/boot/dts/stm32mp157c-ed1.dts
View File

@ -89,6 +89,14 @@
states = <1800000 0x1>,
<2900000 0x0>;
};
vin: vin {
compatible = "regulator-fixed";
regulator-name = "vin";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&adc {
@ -150,11 +158,18 @@
regulators {
compatible = "st,stpmic1-regulators";
buck1-supply = <&vin>;
buck2-supply = <&vin>;
buck3-supply = <&vin>;
buck4-supply = <&vin>;
ldo1-supply = <&v3v3>;
ldo2-supply = <&v3v3>;
ldo3-supply = <&vdd_ddr>;
ldo4-supply = <&vin>;
ldo5-supply = <&v3v3>;
ldo6-supply = <&v3v3>;
vref_ddr-supply = <&vin>;
boost-supply = <&vin>;
pwr_sw1-supply = <&bst_out>;
pwr_sw2-supply = <&bst_out>;

17
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
View File

@ -80,6 +80,14 @@
dais = <&sai2a_port &sai2b_port &i2s2_port>;
status = "okay";
};
vin: vin {
compatible = "regulator-fixed";
regulator-name = "vin";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&adc {
@ -240,9 +248,18 @@
regulators {
compatible = "st,stpmic1-regulators";
buck1-supply = <&vin>;
buck2-supply = <&vin>;
buck3-supply = <&vin>;
buck4-supply = <&vin>;
ldo1-supply = <&v3v3>;
ldo2-supply = <&vin>;
ldo3-supply = <&vdd_ddr>;
ldo4-supply = <&vin>;
ldo5-supply = <&vin>;
ldo6-supply = <&v3v3>;
vref_ddr-supply = <&vin>;
boost-supply = <&vin>;
pwr_sw1-supply = <&bst_out>;
pwr_sw2-supply = <&bst_out>;