linux-kernel - [PATCH 3/7] ARM: dts: stm32: Add USB HS support for STM32F746 MCU

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Date:   Thu, 17 Aug 2017 11:33:02 +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>
Subject: [PATCH 3/7] ARM: dts: stm32: Add USB HS support for STM32F746 MCU

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

Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
---
 arch/arm/boot/dts/stm32f746.dtsi | 49 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 5633860..fcfe5a6 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -379,6 +379,46 @@
 					bias-disable;
 				};
 			};
+
+			usbotg_hs_pins_a: usbotg_hs@0 {
+				pins {
+					pinmux = <STM32F746_PH4_FUNC_OTG_HS_ULPI_NXT>,
+						 <STM32F746_PI11_FUNC_OTG_HS_ULPI_DIR>,
+						 <STM32F746_PC0_FUNC_OTG_HS_ULPI_STP>,
+						 <STM32F746_PA5_FUNC_OTG_HS_ULPI_CK>,
+						 <STM32F746_PA3_FUNC_OTG_HS_ULPI_D0>,
+						 <STM32F746_PB0_FUNC_OTG_HS_ULPI_D1>,
+						 <STM32F746_PB1_FUNC_OTG_HS_ULPI_D2>,
+						 <STM32F746_PB10_FUNC_OTG_HS_ULPI_D3>,
+						 <STM32F746_PB11_FUNC_OTG_HS_ULPI_D4>,
+						 <STM32F746_PB12_FUNC_OTG_HS_ULPI_D5>,
+						 <STM32F746_PB13_FUNC_OTG_HS_ULPI_D6>,
+						 <STM32F746_PB5_FUNC_OTG_HS_ULPI_D7>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <2>;
+				};
+			};
+
+			usbotg_hs_pins_b: usbotg_hs@1 {
+				pins {
+					pinmux = <STM32F746_PH4_FUNC_OTG_HS_ULPI_NXT>,
+						 <STM32F746_PC2_FUNC_OTG_HS_ULPI_DIR>,
+						 <STM32F746_PC0_FUNC_OTG_HS_ULPI_STP>,
+						 <STM32F746_PA5_FUNC_OTG_HS_ULPI_CK>,
+						 <STM32F746_PA3_FUNC_OTG_HS_ULPI_D0>,
+						 <STM32F746_PB0_FUNC_OTG_HS_ULPI_D1>,
+						 <STM32F746_PB1_FUNC_OTG_HS_ULPI_D2>,
+						 <STM32F746_PB10_FUNC_OTG_HS_ULPI_D3>,
+						 <STM32F746_PB11_FUNC_OTG_HS_ULPI_D4>,
+						 <STM32F746_PB12_FUNC_OTG_HS_ULPI_D5>,
+						 <STM32F746_PB13_FUNC_OTG_HS_ULPI_D6>,
+						 <STM32F746_PB5_FUNC_OTG_HS_ULPI_D7>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <2>;
+				};
+			};
 		};
 
 		crc: crc@...23000 {
@@ -431,6 +471,15 @@
 			st,mem2mem;
 			status = "disabled";
 		};
+
+		usbotg_hs: usb@...40000 {
+			compatible = "st,stm32f7xx-hsotg";
+			reg = <0x40040000 0x40000>;
+			interrupts = <77>;
+			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHS)>;
+			clock-names = "otg";
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.7.4