
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.gasnier@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.delaunay@foss.st.com Tested-by: Patrick Delaunay patrick.delaunay@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