diff mbox series

[v2,2/4] dt-bindings: usb: dwc2: add utmi optional clock

Message ID 20230414084137.1050487-3-fabrice.gasnier@foss.st.com
State New
Headers show
Series usb: dwc2: add optional clock used on stm32mp15 | expand

Commit Message

Fabrice Gasnier April 14, 2023, 8:41 a.m. UTC
utmi clock is typically provided by PHY output. Add this optional clock,
as the core could use other clocks depending on the SoC where it's used.
This is needed on stm32mp15, when using the integrated full-speed PHY.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
---
Changes in v2:
- "utmi_clk" renamed "utmi" as per Krzysztof comment
---
 Documentation/devicetree/bindings/usb/dwc2.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Krzysztof Kozlowski April 14, 2023, 9:15 p.m. UTC | #1
On 14/04/2023 10:41, Fabrice Gasnier wrote:
> utmi clock is typically provided by PHY output. Add this optional clock,
> as the core could use other clocks depending on the SoC where it's used.
> This is needed on stm32mp15, when using the integrated full-speed PHY.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
index 371ba93f3ce5..d3506090f8b1 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
@@ -75,11 +75,14 @@  properties:
     maxItems: 1
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   clock-names:
     items:
       - const: otg
+      - const: utmi
+    minItems: 1
 
   disable-over-current:
     type: boolean