linux-kernel - [PATCH 07/10] ARM: dts: stm32: enable USB Host EHCI on stm32mp135f-dk

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Date:   Fri, 14 Oct 2022 11:26:48 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To:     <alexandre.torgue@...s.st.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <amelie.delaunay@...s.st.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <fabrice.gasnier@...s.st.com>
Subject: [PATCH 07/10] ARM: dts: stm32: enable USB Host EHCI on stm32mp135f-dk

From: Amelie Delaunay <amelie.delaunay@...s.st.com>

USBH Host EHCI controller manages the USB High-Speed hub controller IC
offering Type-A CN5 & CN6 connectors available on stm32mp135f-dk.
USB Host OHCI controller doesn't need to be enabled as Full-Speed and
Low-Speed traffic will be managed by the hub.
This USB2514B onboard hub is supplied by a 3v3 PMIC regulator.

Signed-off-by: Amelie Delaunay <amelie.delaunay@...s.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
---
 arch/arm/boot/dts/stm32mp135f-dk.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index af87fb36eabc..02ff2bc664da 100644
--- a/arch/arm/boot/dts/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/stm32mp135f-dk.dts
@@ -145,6 +145,19 @@ &uart4 {
 	status = "okay";
 };
 
+&usbh_ehci {
+	phys = <&usbphyc_port0>;
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	/* onboard HUB */
+	hub@1 {
+		compatible = "usb424,2514";
+		reg = <1>;
+		vdd-supply = <&v3v3_sw>;
+	};
+};
+
 &usbphyc {
 	status = "okay";
 };
-- 
2.25.1