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Sun, 28 Feb 2021 23:51:37 -0600 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Sun, 28 Feb 2021 23:51:36 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Sun, 28 Feb 2021 23:51:36 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 1215pCDO115264; Sun, 28 Feb 2021 23:51:30 -0600 From: Aswath Govindraju To: Subject: [PATCH 2/2] arm64: dts: ti: k3-am642-evm: Add USB support Date: Mon, 1 Mar 2021 11:21:09 +0530 Message-ID: <20210301055109.17626-3-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210301055109.17626-1-a-govindraju@ti.com> References: <20210301055109.17626-1-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-20210301_005139_347457_75698AF5 X-CRM114-Status: GOOD ( 11.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , devicetree@vger.kernel.org, Vignesh Raghavendra , Tero Kristo , Lokesh Vutla , linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , Rob Herring , Aswath Govindraju , linux-arm-kernel@lists.infradead.org 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 1f1787750fef..bfd849a29655 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -133,6 +133,12 @@ AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ >; }; + + main_usb0_pins_default: main-usb0-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ + >; + }; }; &main_uart0 { @@ -227,6 +233,18 @@ status = "disabled"; }; +&usbss0 { + ti,vbus-divider; + ti,usb2-only; +}; + +&usb0 { + dr_mode = "otg"; + maximum-speed = "high-speed"; + pinctrl-names = "default"; + pinctrl-0 = <&main_usb0_pins_default>; +}; + &sdhci0 { /* emmc */ bus-width = <8>;