tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+32
+15
arch/arm/boot/dts/stm32mp157c-ed1.dts
+15
arch/arm/boot/dts/stm32mp157c-ed1.dts
···
89
89
states = <1800000 0x1>,
90
90
<2900000 0x0>;
91
91
};
92
+
93
+
vin: vin {
94
+
compatible = "regulator-fixed";
95
+
regulator-name = "vin";
96
+
regulator-min-microvolt = <5000000>;
97
+
regulator-max-microvolt = <5000000>;
98
+
regulator-always-on;
99
+
};
92
100
};
93
101
94
102
&adc {
···
158
150
159
151
regulators {
160
152
compatible = "st,stpmic1-regulators";
153
+
buck1-supply = <&vin>;
154
+
buck2-supply = <&vin>;
155
+
buck3-supply = <&vin>;
156
+
buck4-supply = <&vin>;
161
157
ldo1-supply = <&v3v3>;
162
158
ldo2-supply = <&v3v3>;
163
159
ldo3-supply = <&vdd_ddr>;
160
+
ldo4-supply = <&vin>;
164
161
ldo5-supply = <&v3v3>;
165
162
ldo6-supply = <&v3v3>;
163
+
vref_ddr-supply = <&vin>;
164
+
boost-supply = <&vin>;
166
165
pwr_sw1-supply = <&bst_out>;
167
166
pwr_sw2-supply = <&bst_out>;
168
167
+17
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+17
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
···
80
80
dais = <&sai2a_port &sai2b_port &i2s2_port>;
81
81
status = "okay";
82
82
};
83
+
84
+
vin: vin {
85
+
compatible = "regulator-fixed";
86
+
regulator-name = "vin";
87
+
regulator-min-microvolt = <5000000>;
88
+
regulator-max-microvolt = <5000000>;
89
+
regulator-always-on;
90
+
};
83
91
};
84
92
85
93
&adc {
···
248
240
249
241
regulators {
250
242
compatible = "st,stpmic1-regulators";
243
+
buck1-supply = <&vin>;
244
+
buck2-supply = <&vin>;
245
+
buck3-supply = <&vin>;
246
+
buck4-supply = <&vin>;
251
247
ldo1-supply = <&v3v3>;
248
+
ldo2-supply = <&vin>;
252
249
ldo3-supply = <&vdd_ddr>;
250
+
ldo4-supply = <&vin>;
251
+
ldo5-supply = <&vin>;
253
252
ldo6-supply = <&v3v3>;
253
+
vref_ddr-supply = <&vin>;
254
+
boost-supply = <&vin>;
254
255
pwr_sw1-supply = <&bst_out>;
255
256
pwr_sw2-supply = <&bst_out>;
256
257