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Wed, 10 Mar 2021 05:28:14 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 10 Mar 2021 05:28:13 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Wed, 10 Mar 2021 05:28:13 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12ABRxlU094609; Wed, 10 Mar 2021 05:28:10 -0600 From: Aswath Govindraju To: CC: Vignesh Raghavendra , Lokesh Vutla , Kishon Vijay Abraham I , Aswath Govindraju , Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH v2 2/2] arm64: dts: ti: k3-am642-evm: Add USB support Date: Wed, 10 Mar 2021 16:57:58 +0530 Message-ID: <20210310112758.1982-3-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210310112758.1982-1-a-govindraju@ti.com> References: <20210310112758.1982-1-a-govindraju@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210310_112819_455983_F4AF28D3 X-CRM114-Status: GOOD ( 11.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org AM64 EVM board has a micro USB 2.0 AB connector and the USB0_VBUS is connected with a resistor divider in between. USB0_DRVVBUS pin is muxed between USB0_DRVVBUS and GPIO1_79 signals. Add the corresponding properties and set the pinmux mode for USB subsystem in the evm dts file. Signed-off-by: Aswath Govindraju Acked-by: Roger Quadros --- arch/arm64/boot/dts/ti/k3-am642-evm.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 962ef807e286..45fdcf3220a8 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -201,6 +201,12 @@ AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ >; }; + + main_usb0_pins_default: main-usb0-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ + >; + }; }; &main_uart0 { @@ -313,6 +319,18 @@ disable-wp; }; +&usbss0 { + ti,vbus-divider; + ti,usb2-only; +}; + +&usb0 { + dr_mode = "otg"; + maximum-speed = "high-speed"; + pinctrl-names = "default"; + pinctrl-0 = <&main_usb0_pins_default>; +}; + &cpsw3g { pinctrl-names = "default"; pinctrl-0 = <&mdio1_pins_default