From: Amelie Delaunay <amelie.delaunay@st.com>
Date: Mon, 16 Oct 2017 12:22:56 +0000 (+0200)
Subject: ARM: dts: stm32: Enable USB FS on stm32f746-disco
X-Git-Tag: v4.15-rc1~75^2~36^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cae2ada3a790c2bf2d995a8b4a1e1bd42ff75f91;p=thirdparty%2Flinux.git

ARM: dts: stm32: Enable USB FS on stm32f746-disco

This patch enables USB FS on stm32f746-disco (Host mode) with 5V VBUS
enable.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---

diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index 8f0c3d523c9ff..4d85dba59e1de 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 {
@@ -79,6 +87,13 @@
 	status = "okay";
 };
 
+&usbotg_fs {
+	dr_mode = "host";
+	pinctrl-0 = <&usbotg_fs_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &usbotg_hs {
 	dr_mode = "host";
 	phys = <&usbotg_hs_phy>;