linux-kernel - [PATCH v1 3/6] arm64: dts: verdin-imx8mp: add usb

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Date:   Wed,  2 Nov 2022 14:12:00 +0100
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Peter Chen <peter.chen@...nel.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Max Krummenacher <max.krummenacher@...adex.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 3/6] arm64: dts: verdin-imx8mp: add usb_1 over-current detection

From: Marcel Ziswiler <marcel.ziswiler@...adex.com>

Add Verdin USB_1 over-current detection functionality via Verdin
USB_1_OC# (SODIMM 157) being active-low and removing its previous
gpio_hog3 mapping.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
---

 arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index 57cddf1bf6b3..85af2875fb70 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -807,6 +807,12 @@ &uart4 {
 };
 
 /* Verdin USB_1 */
+&usb3_0 {
+	fsl,over-current-active-low;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_1_oc_n>;
+};
+
 &usb3_phy0 {
 	vbus-supply = <&reg_usb1_vbus>;
 };
@@ -816,7 +822,6 @@ &usb_dwc3_0 {
 	dr_mode = "otg";
 	hnp-disable;
 	maximum-speed = "high-speed";
-	over-current-active-low;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usb_1_id>;
 	srp-disable;
@@ -1045,7 +1050,6 @@ pinctrl_gpio_hog2: gpiohog2grp {
 
 	pinctrl_gpio_hog3: gpiohog3grp {
 		fsl,pins =
-			<MX8MP_IOMUXC_GPIO1_IO13__GPIO1_IO13		0x1c4>,	/* SODIMM 157 */
 			/* CSI_1_MCLK */
 			<MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15		0x1c4>;	/* SODIMM 91 */
 	};
@@ -1229,6 +1233,12 @@ pinctrl_usb_1_id: usb1idgrp {
 			<MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10		0x1c4>;	/* SODIMM 161 */
 	};
 
+	/* USB_1_OC# */
+	pinctrl_usb_1_oc_n: usb1ocngrp {
+		fsl,pins =
+			<MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC		0x1c4>;	/* SODIMM 157 */
+	};
+
 	pinctrl_usb2_vbus: usb2vbusgrp {
 		fsl,pins =
 			<MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14		0x106>;	/* SODIMM 185 */
-- 
2.36.1