diff mbox

ARM: dts: stm32429i-eval: Add USB HS host mode support

Message ID 1456742079-8648-1-git-send-email-mcoquelin.stm32@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Maxime Coquelin Feb. 29, 2016, 10:34 a.m. UTC
This patch adds USB HS support in host mode only.
This port supports OTG mode, but the device more is not working
properly as of now.
Once the device mode fixed, the node will be updated to support OTG.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
---
 arch/arm/boot/dts/stm32429i-eval.dts | 16 ++++++++++++++++
 arch/arm/boot/dts/stm32f429.dtsi     | 30 ++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 1ae57fa..76a10d3 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -81,6 +81,13 @@ 
 			gpios = <&gpiog 12 1>;
 		};
 	};
+
+	usbotg_hs_phy: usbphy {
+		#phy-cells = <0>;
+		compatible = "usb-nop-xceiv";
+		clocks = <&rcc 0 30>;
+		clock-names = "main_clk";
+	};
 };
 
 &clk_hse {
@@ -92,3 +99,12 @@ 
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&usbotg_hs {
+	dr_mode = "host";
+	phys = <&usbotg_hs_phy>;
+	phy-names = "usb2-phy";
+	pinctrl-0 = <&usbotg_hs_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 598362e..ee82756 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -278,6 +278,26 @@ 
 					bias-disable;
 				};
 			};
+
+			usbotg_hs_pins_a: usbotg_hs@0 {
+				pins {
+					pinmux = <STM32F429_PH4_FUNC_OTG_HS_ULPI_NXT>,
+						 <STM32F429_PI11_FUNC_OTG_HS_ULPI_DIR>,
+						 <STM32F429_PC0_FUNC_OTG_HS_ULPI_STP>,
+						 <STM32F429_PA5_FUNC_OTG_HS_ULPI_CK>,
+						 <STM32F429_PA3_FUNC_OTG_HS_ULPI_D0>,
+						 <STM32F429_PB0_FUNC_OTG_HS_ULPI_D1>,
+						 <STM32F429_PB1_FUNC_OTG_HS_ULPI_D2>,
+						 <STM32F429_PB10_FUNC_OTG_HS_ULPI_D3>,
+						 <STM32F429_PB11_FUNC_OTG_HS_ULPI_D4>,
+						 <STM32F429_PB12_FUNC_OTG_HS_ULPI_D5>,
+						 <STM32F429_PB13_FUNC_OTG_HS_ULPI_D6>,
+						 <STM32F429_PB5_FUNC_OTG_HS_ULPI_D7>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <2>;
+				};
+			};
 		};
 
 		rcc: rcc@40023810 {
@@ -318,6 +338,16 @@ 
 			st,mem2mem;
 		};
 
+		usbotg_hs: usb@40040000 {
+			compatible = "snps,dwc2";
+			dma-ranges;
+			reg = <0x40040000 0x40000>;
+			interrupts = <77>;
+			clocks = <&rcc 0 29>;
+			clock-names = "otg";
+			status = "disabled";
+		};
+
 		rng: rng@50060800 {
 			compatible = "st,stm32-rng";
 			reg = <0x50060800 0x400>;