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boards: stm32: Enable USB domain clock when required

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For boards configuring USB device, enable or configure matching domain
clock when not done already.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2022-12-20 17:09:44 +01:00 • committed by Fabio Baltieri
commit 93ff35f69f
2 changed files with 11 additions and 0 deletions
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5
boards/arm/arduino_portenta_h7/arduino_portenta_h7-common.dtsi
View file

@ -25,6 +25,11 @@
}; };
}; };
&clk_hsi48 {
/* HSI48 required for USB */
status = "okay";
};
&rcc { &rcc {
d1cpre = <1>; d1cpre = <1>;
hpre = <1>; hpre = <1>;

6
boards/arm/disco_l475_iot1/disco_l475_iot1.dts
View file

@ -90,6 +90,12 @@
status = "okay"; status = "okay";
}; };
&clk_msi {
status = "okay";
msi-pll-mode;
msi-range = <11>; /* 48MHz USB bus clk */
};
&pll { &pll {
div-m = <1>; div-m = <1>;
mul-n = <20>; mul-n = <20>;