| Message ID | 20221014092651.25202-6-fabrice.gasnier@foss.st.com |
|---|---|
| State | New |
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From: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
To: <alexandre.torgue@foss.st.com>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>
CC: <amelie.delaunay@foss.st.com>, <devicetree@vger.kernel.org>,
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<fabrice.gasnier@foss.st.com>
Subject: [PATCH 05/10] ARM: dts: stm32: add fixed regulators to support usb on
stm32mp135f-dk
Date: Fri, 14 Oct 2022 11:26:46 +0200
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|
| Series |
Add support for USB on STM32MP13
|
|
Commit Message
Fabrice Gasnier
Oct. 14, 2022, 9:26 a.m. UTC
Add VDD_USB and 3V3_SW regulators on stm32mp135f-dk. Temporary add them
as fixed regulators, waiting for full SCMI regulators support.
This is a precursor patch to enable USB support on STM32MP13:
- VDD_USB supplies the STM32MP13 USB internals
- 3V3_SW supplies various peripherals, including the onboard HUB.
Note: USB support requires these regulators to be enabled before
entering the kernel.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
---
arch/arm/boot/dts/stm32mp135f-dk.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index de341d17e87d..291f05a958fd 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -66,6 +66,22 @@ vdd_sd: vdd-sd { regulator-max-microvolt = <2900000>; regulator-always-on; }; + + vdd_usb: vdd-usb { + compatible = "regulator-fixed"; + regulator-name = "vdd_usb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + v3v3_sw: v3v3-sw { + compatible = "regulator-fixed"; + regulator-name = "v3v3_sw"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; &i2c1 {