linux-kernel - [PATCHv2 6/7] ARM: dts: stm32: Add USB FS support for STM32F746 MCU

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Message-ID: <1503930018-536-7-git-send-email-amelie.delaunay@st.com>
Date:   Mon, 28 Aug 2017 16:20:17 +0200
From:   Amelie Delaunay <amelie.delaunay@...com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        John Youn <johnyoun@...opsys.com>
CC:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>,
        Amelie Delaunay <amelie.delaunay@...com>
Subject: [PATCHv2 6/7] ARM: dts: stm32: Add USB FS support for STM32F746 MCU

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

Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
---
 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 5d0cc72..b605445 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -401,6 +401,28 @@
 					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@...23000 {
@@ -429,6 +451,15 @@
 			clock-names = "otg";
 			status = "disabled";
 		};
+
+		usbotg_fs: usb@...00000 {
+			compatible = "st,stm32f4x9-fsotg";
+			reg = <0x50000000 0x40000>;
+			interrupts = <67>;
+			clocks = <&rcc 0 STM32F7_AHB2_CLOCK(OTGFS)>;
+			clock-names = "otg";
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.7.4