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Thu, 3 Nov 2022 18:10:03 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) 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 15.1.2507.6; Thu, 3 Nov 2022 18:10:02 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) 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 15.1.2507.6 via Frontend Transport; Thu, 3 Nov 2022 18:10:02 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2A3NA2hG031936; Thu, 3 Nov 2022 18:10:02 -0500 Date: Thu, 3 Nov 2022 18:10:02 -0500 From: Nishanth Menon To: Andrew Davis CC: Julien Panis , , , , , , , Subject: Re: [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: mark MCU and WKUP watchdogs as reserved Message-ID: <20221103231002.fqsstlkpgaoa5wm7@tasty> References: <20221103181440.232727-1-jpanis@baylibre.com> <20221103181440.232727-3-jpanis@baylibre.com> <20221103214754.5feylk5sfem2lvhf@magnetize> <35284213-db06-8b6d-8c94-4279f61d6296@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <35284213-db06-8b6d-8c94-4279f61d6296@ti.com> User-Agent: NeoMutt/20171215 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-20221103_161011_405182_131C6BDF X-CRM114-Status: GOOD ( 21.53 ) 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 17:36-20221103, Andrew Davis wrote: > On 11/3/22 4:47 PM, Nishanth Menon wrote: > > On 19:14-20221103, Julien Panis wrote: > > > MCU wdt is typically used by M4F. > > > Wake up wdt is typically used by DM (R5) firmware. > > > > > > Signed-off-by: Julien Panis > > > --- > > > arch/arm64/boot/dts/ti/k3-am625-sk.dts | 10 ++++++++++ > > > 1 file changed, 10 insertions(+) > > > > > > diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts > > > index 93a5f0817efc..9ade591ef563 100644 > > > --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts > > > +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts > > > @@ -503,6 +503,16 @@ &main_mcan0 { > > > status = "disabled"; > > > }; > > > +&mcu_rti0 { > > > + /* MCU RTI0 is used by M4F firmware */ > > > + status = "reserved"; > > > +}; > > > + > > > +&wkup_rti0 { > > > + /* WKUP RTI0 is used by DM firmware */ > > > + status = "reserved"; > > > +}; > > > + > > > > If this is the typical usage, should'nt we do this in soc.dtsi than > > sprinkle this through various boards? > > > > Andrew: ? > > These are only "reserved" for certain firmware, you choose your RPROCs > and firmware down at the bottom level in board DTs. So I'd say these > statuses should be set at this same level here. > > DM firmware might be the exception as it should always be present, > but for M4F firmware, meh, leave it here. > That makes sense.. Julien: Could you address this please? -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel