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Wed, 8 May 2024 04:38:26 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 8 May 2024 04:38:25 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 8 May 2024 04:38:25 -0500 Received: from [172.24.227.88] (uda0500640.dhcp.ti.com [172.24.227.88]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 4489cLFc055890; Wed, 8 May 2024 04:38:22 -0500 Message-ID: <10c56e60-9de4-de79-edba-5034ae7438e0@ti.com> Date: Wed, 8 May 2024 15:08:20 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-j722s: Redefine USB1 node description Content-Language: en-US To: Andrew Davis , , CC: , , , , , , , , , Ravi Gunasekaran References: <20240429120932.11456-1-r-gunasekaran@ti.com> <20240429120932.11456-3-r-gunasekaran@ti.com> <9c6f8999-715f-42e3-8d13-a5aef074dd5d@ti.com> From: Ravi Gunasekaran In-Reply-To: <9c6f8999-715f-42e3-8d13-a5aef074dd5d@ti.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 On 5/7/24 10:45 PM, Andrew Davis wrote: > On 4/29/24 7:09 AM, Ravi Gunasekaran wrote: >> USB1 controller on J722S and AM62P are from different vendors. >> Redefine the USB1 node description for J722S by deleting the >> node inherited from AM62P dtsi. >> >> Signed-off-by: Ravi Gunasekaran >> --- >>   arch/arm64/boot/dts/ti/k3-j722s.dtsi | 39 ++++++++++++++++++++++++++++ >>   1 file changed, 39 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-j722s.dtsi b/arch/arm64/boot/dts/ti/k3-j722s.dtsi >> index beba5a3ea6cc..90725eeb3178 100644 >> --- a/arch/arm64/boot/dts/ti/k3-j722s.dtsi >> +++ b/arch/arm64/boot/dts/ti/k3-j722s.dtsi >> @@ -13,6 +13,13 @@ >>     #include "k3-am62p5.dtsi" >>   +/* >> + * USB1 controller on AM62P and J722S are of different IP. >> + * Delete AM62P's USBSS1 node definition and redefine it for J722S. >> + */ >> + >> +/delete-node/ &usbss1; >> + >>   / { >>       model = "Texas Instruments K3 J722S SoC"; >>       compatible = "ti,j722s"; >> @@ -120,6 +127,38 @@ >>               status = "disabled"; /* Needs lane config */ >>           }; >>       }; >> + >> +    usbss1: cdns-usb@f920000 { > > MAIN domain items are defined in -main.dtsi files, for instance the > USB node you are overriding was defined in k3-am62p-main.dtsi. > This should go in a file named k3-j722s-main.dtsi. > > Andrew > Ok. I will introduce k3-j722s-main.dtsi newly and define the USB and SerDes nodes there. [...] -- Regards, Ravi