From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A8072C10F1A for ; Tue, 7 May 2024 15:01:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=si4h+QHUXcXDcRezUAUG1TkM/o3arFcsoKo+NeS4www=; b=0Ui9IfCVv/yk06 g5KVUpdcmQ/+kOwvC41fN/kAVsSc8/Ov+rTrFjiCDmBN+rJnf6EAjje7b4JWIzWAW6FudD/oSegnw nRB7eKoT7n9iNzjhhCWoLJl9jrVuVaue/IRUg+SVfE8Hcc6eXUHkJaZaSiiIg0yxXwtN5h9k52fZH bCCBT0WIuF+hpB/QkZcbMw6MlAmcXEgQ+fXxFxYJQGQD8jAuFkDavJNoE1zeBtQvitXDBLOQ4eAwu yb4pDV0WE9boolcCCUJj1ZghWzH1ffAguMQHFBVS7wmdt6DDkHFMS3+6yj97I1SoP/WpLMeyTEPQ3 yiRRqjJtGeYIfxKR852g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4MJs-0000000BddU-2EyS; Tue, 07 May 2024 15:01:28 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4MJp-0000000Bdco-48F0 for linux-arm-kernel@lists.infradead.org; Tue, 07 May 2024 15:01:27 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 7A82961615; Tue, 7 May 2024 15:01:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02064C2BBFC; Tue, 7 May 2024 15:01:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715094085; bh=k/GIOzSRD0t9yd2KLhhqA2JOci2Tu6txRXl2CqfM/o4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fKGgycyoEVyXOCvU7yTlRs15Yg50Nh/0yYuCZYPyuyHfRFx+6u80SU1RA4OM7oXf/ 8njbtgcxYLEpEhwMJ7GPdW+ofcpsLI9erS9bpIoP63boRjizkxQNJTkph19MlTgPgH PyNJsfGfveY4CfztKiHMhQ+n9kk3mTApRDm2ZO+N2SMoDPFgMAdWDNe2jWSsDCX64F 0q2w3nohIT/rH+Rclfb3B8qjd47gmftOWLvlUAcL45eXgjeUSWlzXwzaTXDymh7RE7 cNf0aex6XMd1ceMpQnv1+9VUOwz/fS5SQEjwePrej7xL9BZT0QPmkra0VOqrgh/Zyv p6tVHPR91+VOQ== Date: Tue, 7 May 2024 10:01:23 -0500 From: Rob Herring To: Ravi Gunasekaran Cc: nm@ti.com, vigneshr@ti.com, kristo@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, srk@ti.com, rogerq@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] arm64: dts: ti: k3-j722s-evm: Update USB0 and USB1 configuration for EVM Message-ID: <20240507150123.GA471367-robh@kernel.org> References: <20240429120932.11456-1-r-gunasekaran@ti.com> <20240429120932.11456-4-r-gunasekaran@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240429120932.11456-4-r-gunasekaran@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240507_080126_134456_086F99CF X-CRM114-Status: GOOD ( 17.55 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Apr 29, 2024 at 05:39:32PM +0530, Ravi Gunasekaran wrote: > The GPIO expander on the EVM allows the USB selection for Type-C > port to either USB0 or USB1 via USB hub. By default, let the Type-C > port select USB0 via the GPIO expander port P05. > > Enable super-speed on USB1 by updating SerDes0 lane configuration. > > Signed-off-by: Ravi Gunasekaran > --- > arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 58 +++++++++++++++++++++++++ > arch/arm64/boot/dts/ti/k3-serdes.h | 7 +++ > 2 files changed, 65 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > index bf3c246d13d1..ddb4f1f0d92d 100644 > --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > @@ -9,7 +9,9 @@ > /dts-v1/; > > #include > +#include > #include "k3-j722s.dtsi" > +#include "k3-serdes.h" > > / { > compatible = "ti,j722s-evm", "ti,j722s"; > @@ -20,6 +22,8 @@ > serial2 = &main_uart0; > mmc0 = &sdhci0; > mmc1 = &sdhci1; > + usb0 = &usb0; > + usb1 = &usb1; Why is this needed? Doesn't look related? > }; > > chosen { > @@ -202,6 +206,12 @@ > J722S_IOPAD(0x012c, PIN_OUTPUT, 0) /* (AF25) RGMII1_TX_CTL */ > >; > }; > + > + main_usb1_pins_default: main-usb1-default-pins { > + pinctrl-single,pins = < > + J722S_IOPAD(0x0258, PIN_INPUT, 0) /* (B27) USB1_DRVVBUS */ > + >; > + }; > }; > > &cpsw3g { > @@ -301,6 +311,14 @@ > "PCIe0_1L_RC_RSTz", "PCIe0_1L_PRSNT#", > "ENET1_EXP_SPARE2", "ENET1_EXP_PWRDN", > "PD_I2ENET1_I2CMUX_SELC_IRQ", "ENET1_EXP_RESETZ"; > + > + p05-hog { > + /* P05 - USB2.0_MUX_SEL */ > + gpio-hog; > + gpios = <5 GPIO_ACTIVE_LOW>; > + output-high; > + line-name = "USB2.0_MUX_SEL"; > + }; > }; > }; > > @@ -384,3 +402,43 @@ > status = "okay"; > bootph-all; > }; > + > +&serdes0_ln_ctrl { > + idle-states = , > + ; > +}; > + > +&serdes0 { > + status = "okay"; > + serdes0_usb_link: phy@0 { > + reg = <0>; > + cdns,num-lanes = <1>; > + #phy-cells = <0>; > + cdns,phy-type = ; > + resets = <&serdes_wiz0 1>; > + }; > +}; > + > +&usbss0 { > + ti,vbus-divider; > + status = "okay"; > +}; > + > +&usb0 { > + dr_mode = "otg"; > + usb-role-switch; > +}; > + > +&usbss1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&main_usb1_pins_default>; > + ti,vbus-divider; > + status = "okay"; > +}; > + > +&usb1 { > + dr_mode = "host"; > + maximum-speed = "super-speed"; > + phys = <&serdes0_usb_link>; > + phy-names = "cdns3,usb3-phy"; > +}; > diff --git a/arch/arm64/boot/dts/ti/k3-serdes.h b/arch/arm64/boot/dts/ti/k3-serdes.h > index a011ad893b44..9082abeddcb1 100644 > --- a/arch/arm64/boot/dts/ti/k3-serdes.h > +++ b/arch/arm64/boot/dts/ti/k3-serdes.h > @@ -201,4 +201,11 @@ > #define J784S4_SERDES4_LANE3_USB 0x2 > #define J784S4_SERDES4_LANE3_IP4_UNUSED 0x3 > > +/* J722S */ > +#define J722S_SERDES0_LANE0_USB 0x0 > +#define J722S_SERDES0_LANE0_QSGMII_LANE2 0x1 > + > +#define J722S_SERDES1_LANE0_PCIE0_LANE0 0x0 > +#define J722S_SERDES1_LANE0_QSGMII_LANE1 0x1 > + > #endif /* DTS_ARM64_TI_K3_SERDES_H */ > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel