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[2a01:cb00:8bd:2700:7d57:ea0d:8d9:46c1]) by smtp.gmail.com with ESMTPSA id t14sm6343041wru.64.2021.03.31.16.23.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Mar 2021 16:23:59 -0700 (PDT) From: Adrien Grassein 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 Subject: [PATCH v3 1/4] arm64: dts: imx8mq-nitrogen: add USB OTG support Date: Thu, 1 Apr 2021 01:23:53 +0200 Message-Id: <20210331232356.2204476-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210331232356.2204476-1-adrien.grassein@gmail.com> References: <20210331232356.2204476-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the description for the USB OTG port. The OTG port uses a dedicated regulator for vbus. Signed-off-by: Adrien Grassein --- .../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