From: Adrien Grassein <adrien.grassein@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
catalin.marinas@arm.com, will@kernel.org,
bjorn.andersson@linaro.org, krzk@kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Adrien Grassein <adrien.grassein@gmail.com>
Subject: [PATCH v3 1/4] arm64: dts: imx8mq-nitrogen: add USB OTG support
Date: Thu, 1 Apr 2021 01:23:53 +0200 [thread overview]
Message-ID: <20210331232356.2204476-2-adrien.grassein@gmail.com> (raw)
In-Reply-To: <20210331232356.2204476-1-adrien.grassein@gmail.com>
Add the description for the USB OTG port.
The OTG port uses a dedicated regulator for vbus.
Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
---
.../boot/dts/freescale/imx8mq-nitrogen.dts | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
index 81d269296610..b46f45a82be1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
@@ -34,6 +34,17 @@ power {
};
};
+ reg_usb_otg_vbus: regulator-usb-otg-vbus {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_vref_0v9: regulator-vref-0v9 {
compatible = "regulator-fixed";
regulator-name = "vref-0v9";
@@ -190,6 +201,18 @@ &uart2 {
status = "okay";
};
+&usb_dwc3_0 {
+ dr_mode = "otg";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb3_0>;
+ status = "okay";
+};
+
+&usb3_phy0 {
+ vbus-supply = <®_usb_otg_vbus>;
+ status = "okay";
+};
+
&usdhc1 {
assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
assigned-clock-rates = <400000000>;
@@ -339,6 +362,12 @@ MX8MQ_IOMUXC_SD2_WP_GPIO2_IO20 0x16
>;
};
+ pinctrl_reg_usbotg_vbus: reg-usbotg-vbusgrp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x16
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x45
@@ -353,6 +382,12 @@ MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX 0x45
>;
};
+ pinctrl_usb3_0: usb3-0grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x16
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83
--
2.25.1
next prev parent reply other threads:[~2021-03-31 23:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 23:23 [PATCH v3 0/4] Add peripheral support to imx8mq-nitrogen board Adrien Grassein
2021-03-31 23:23 ` Adrien Grassein [this message]
2021-03-31 23:23 ` [PATCH v3 2/4] arm64: dts: imx8mq-nitrogen: add USB HOST support Adrien Grassein
2021-05-11 2:22 ` Shawn Guo
2021-03-31 23:23 ` [PATCH v3 3/4] arm64: dts: imx8mq-nitrogen: add lt8912 MIPI-DSI to HDMI Adrien Grassein
2021-05-11 2:27 ` Shawn Guo
2021-05-11 19:36 ` Adrien Grassein
2021-03-31 23:23 ` [PATCH v3 4/4] arm64: defconfig: Enable LT8912B DRM bridge driver Adrien Grassein
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