Thread (31 messages) flat view 31 messages, 5 authors, 12d ago

Re: [PATCH 12/16] dt-bindings: phy: stm32: adapt usb2phy as syscon child on stm32mp25

From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2026-08-27 12:54:45
Also in: linux-arm-kernel, linux-phy, linux-usb, lkml

On 21/08/2026 18:23, Fabrice Gasnier wrote:
Adapt stm32-usb2phy since transition to syscon child node on stm32mp25.
This is a temporary update, as it depends on Marek's series [1]. This
should be dropped in later series revision.
It's a precursor to validate further DT addition on USB and Type-C.

Allow usb2phy to be a child node with reg and unit address.
It replaces the st,syscfg phandle.
Also adapt the example, e.g. stm32mp25-usb2phy1 address, clock and reset.

[1] https://lore.kernel.org/linux-phy/20260816213849.1044073-2-marex@nabladev.com/ (local)
Why PHY patch is squashed into USB patchset? Do not mix up subsystems.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
---
 .../devicetree/bindings/phy/st,stm32-usb2phy.yaml    | 20 +++++++-------------
There is no such file.
quoted hunk ↗ jump to hunk
 1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/st,stm32-usb2phy.yaml b/Documentation/devicetree/bindings/phy/st,stm32-usb2phy.yaml
index ab6c943af9a2..3e8f57a46db3 100644
--- a/Documentation/devicetree/bindings/phy/st,stm32-usb2phy.yaml
+++ b/Documentation/devicetree/bindings/phy/st,stm32-usb2phy.yaml
@@ -23,6 +23,8 @@ properties:
       - st,stm32mp25-usb2phy1
       - st,stm32mp25-usb2phy2
 
+  reg: true
+
NAK

Best regards,
Krzysztof
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