Hi,
On 12/12/22 11:44, Fabrice Gasnier wrote:
Add support for USB2514B onboard hub on stm32mp157c EV1 board. The HUB
is supplied by a 3v3 PMIC regulator.
[backport from linux ad9591b01d24]
Signed-off-by: Fabrice Gasnier <fabrice.gasn...@foss.st.com>
---
arch/arm/dts/stm32mp157c-ev1.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts
index d142dd30e16b..07bcd7c50672 100644
--- a/arch/arm/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/dts/stm32mp157c-ev1.dts
@@ -362,6 +362,14 @@
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* onboard HUB */
+ hub@1 {
+ compatible = "usb424,2514";
+ reg = <1>;
+ vdd-supply = <&v3v3>;
+ };
};
&usbotg_hs {
Reviewed-by: Patrick Delaunay <patrick.delau...@foss.st.com>
Tested-by: Patrick Delaunay <patrick.delau...@foss.st.com>
I just test the supply regulator support on EV1 when the port is used
and the regulator is no more always-on.
with modification in ./arch/arm/dts/stm32mp157c-ed1.dts:224
v3v3: buck4 {
regulator-name = "v3v3";
- regulator-always-on;
Thanks
Patrick
