This patch enables USB FS on stm32f746-disco (Host mode) with 5V VBUS
enable.
Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
---
arch/arm/boot/dts/stm32f746-disco.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index 8f0c3d5..eeb430c 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -67,6 +67,14 @@
clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
clock-names = "main_clk";
};
+
+ /* This turns on vbus for otg fs for host mode (dwc2) */
+ vcc5v_otg_fs: vcc5v-otg-fs-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpiod 5 0>;
+ regulator-name = "vcc5_host1";
+ regulator-always-on;
+ };
};
&clk_hse {
@@ -87,3 +95,10 @@
pinctrl-names = "default";
status = "okay";
};
+
+&usbotg_fs {
+ dr_mode = "host";
+ pinctrl-0 = <&usbotg_fs_pins_a>;
+ pinctrl-names = "default";
+ status = "okay";
+};
--
2.7.4
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