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Mon, 28 Apr 2025 11:29:24 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) 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; Mon, 28 Apr 2025 11:29:23 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) 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; Mon, 28 Apr 2025 11:29:23 -0500 Received: from [10.249.42.149] ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 53SGTMkS115141; Mon, 28 Apr 2025 11:29:22 -0500 Message-ID: <72e88ddd-dcf6-42ad-92c7-15869f83dd8c@ti.com> Date: Mon, 28 Apr 2025 11:29:22 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 10/11] arm64: dts: ti: k3-am62a7-sk: Reserve main_rti4 for C7x DSP To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra CC: Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Hari Nagalla , Beleswar Prasad , Markus Schneider-Pargmann , Devarsh Thakkar References: <20250415153147.1844076-1-jm@ti.com> <20250415153147.1844076-11-jm@ti.com> Content-Language: en-US From: Andrew Davis In-Reply-To: <20250415153147.1844076-11-jm@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250428_092928_229260_29679EEA X-CRM114-Status: GOOD ( 14.00 ) 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 On 4/15/25 10:31 AM, Judith Mendez wrote: > From: Hari Nagalla > > The main rti4 watchdog timer is used by the C7x DSP, so reserve the > timer in the linux device tree. > > Signed-off-by: Hari Nagalla > Signed-off-by: Judith Mendez > --- Reviewed-by: Andrew Davis > arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > index 8d7645bb90337..032f1f18d184e 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > @@ -830,3 +830,8 @@ &c7x_0 { > <&c7x_0_memory_region>; > status = "okay"; > }; > + > +/* main_rti4 is used by C7x DSP */ > +&main_rti4 { > + status = "reserved"; > +};