[PATCH 6/7] ARM: dts: stm32: Add USB FS support for STM32F746 MCU

From: Amelie Delaunay
Date: Thu Aug 17 2017 - 05:34:34 EST


This patch adds the USB pins and nodes for USB FS core on STM32F746 SoC.

Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
---
arch/arm/boot/dts/stm32f746.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index fcfe5a6..a9476ea 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -419,6 +419,28 @@
slew-rate = <2>;
};
};
+
+ usbotg_fs_pins_a: usbotg_fs@0 {
+ pins {
+ pinmux = <STM32F746_PA10_FUNC_OTG_FS_ID>,
+ <STM32F746_PA11_FUNC_OTG_FS_DM>,
+ <STM32F746_PA12_FUNC_OTG_FS_DP>;
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ };
+
+ usbotg_fs_pins_b: usbotg_fs@1 {
+ pins {
+ pinmux = <STM32F746_PB12_FUNC_OTG_HS_ID>,
+ <STM32F746_PB14_FUNC_OTG_HS_DM>,
+ <STM32F746_PB15_FUNC_OTG_HS_DP>;
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ };
};

crc: crc@40023000 {
@@ -480,6 +502,15 @@
clock-names = "otg";
status = "disabled";
};
+
+ usbotg_fs: usb@50000000 {
+ compatible = "st,stm32f4x9-fsotg";
+ reg = <0x50000000 0x40000>;
+ interrupts = <67>;
+ clocks = <&rcc 0 STM32F7_AHB2_CLOCK(OTGFS)>;
+ clock-names = "otg";
+ status = "disabled";
+ };
};
};

--
2.7.4