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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt')
-rw-r--r-- | roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt b/roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt new file mode 100644 index 000000000..0f6b6feda --- /dev/null +++ b/roms/u-boot/doc/device-tree-bindings/regulator/st,stm32-vrefbuf.txt @@ -0,0 +1,23 @@ +STM32 VREFBUF - Voltage reference buffer + +Some STM32 devices embed a voltage reference buffer which can be used as +voltage reference for ADCs, DACs and also as voltage reference for external +components through the dedicated VREF+ pin. + +Required properties: +- compatible: Must be "st,stm32-vrefbuf". +- reg: Offset and length of VREFBUF register set. +- clocks: Must contain an entry for peripheral clock. + +Optional properties: +- vdda-supply: Phandle to the parent vdda supply regulator node. + +Example: + vrefbuf: regulator@58003c00 { + compatible = "st,stm32-vrefbuf"; + reg = <0x58003C00 0x8>; + clocks = <&rcc VREF_CK>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2500000>; + vdda-supply = <&vdda>; + }; |