linux-kernel - [PATCH] ARM: dts: stm32: add USB Host (USBH) support to stm32mp157c

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Message-ID: <1524569080-22475-1-git-send-email-amelie.delaunay@st.com>
Date:   Tue, 24 Apr 2018 13:24:40 +0200
From:   Amelie Delaunay <amelie.delaunay@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Amelie Delaunay <amelie.delaunay@...com>
Subject: [PATCH] ARM: dts: stm32: add USB Host (USBH) support to stm32mp157c

Add support for USBH (USB Host) to STM32MP157C SoC.
USBH is a USB Host controller supporting the standard registers used for
full- and low-speed (OHCI controller) and high-speed (EHCI controller).

Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index bc3eddc..cc06d6b 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -5,6 +5,7 @@
  */
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/stm32mp1-clks.h>
+#include <dt-bindings/reset/stm32mp1-resets.h>
 
 / {
 	#address-cells = <1>;
@@ -167,6 +168,25 @@
 			#reset-cells = <1>;
 		};
 
+		usbh_ohci: usbh-ohci@...0c000 {
+			compatible = "generic-ohci";
+			reg = <0x5800c000 0x1000>;
+			clocks = <&rcc USBH>;
+			resets = <&rcc USBH_R>;
+			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		usbh_ehci: usbh-ehci@...0d000 {
+			compatible = "generic-ehci";
+			reg = <0x5800d000 0x1000>;
+			clocks = <&rcc USBH>;
+			resets = <&rcc USBH_R>;
+			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			companion = <&usbh_ohci>;
+			status = "disabled";
+		};
+
 		usart1: serial@...00000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x5c000000 0x400>;
-- 
2.7.4