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Tue, 23 Jul 2019 06:36:04 -0500 Received: from DFLE109.ent.ti.com (10.64.6.30) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 23 Jul 2019 06:36:04 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 23 Jul 2019 06:36:03 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id x6NBa35a053381; Tue, 23 Jul 2019 06:36:03 -0500 Date: Tue, 23 Jul 2019 06:35:41 -0500 From: Nishanth Menon To: Suman Anna Subject: Re: [PATCH 1/4] arm64: dts: ti: k3-am65-main: Add mailbox cluster nodes Message-ID: <20190723113540.xvhsrlbf66lr5aaq@kahuna> References: <20190722202024.14867-1-s-anna@ti.com> <20190722202024.14867-2-s-anna@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190722202024.14867-2-s-anna@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-20190723_043606_214298_753D371D X-CRM114-Status: GOOD ( 17.46 ) 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: Tero Kristo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 15:20-20190722, Suman Anna wrote: > The AM65x Main NavSS block contains a Mailbox IP instance with > multiple clusters. Each cluster is equivalent to an Mailbox IP > instance on OMAP platforms. > > Add all the Mailbox clusters as their own nodes under the MAIN > NavSS cbass_main_navss interconnect node instead of creating an > almost empty parent node for the new K3 mailbox IP and the clusters > as its child nodes. All these nodes are marked as disabled, and > they need to be enabled along with the appropriate child nodes > on a need basis. > > NOTE: > The NavSS only has a limited number of interrupts, so all the > interrupts generated by a Mailbox IP are not added by default. > Only the needed interrupts that are targeted towards the A53 > GIC will need to be be added later on when some sub-mailbox > child nodes are added. > > Signed-off-by: Suman Anna > --- > arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 108 +++++++++++++++++++++++ > 1 file changed, 108 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi > index 8413e80f9d3a..0b3ea2a871ee 100644 > --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi > @@ -419,6 +419,114 @@ > reg = <0x00 0x30e00000 0x00 0x1000>; > #hwlock-cells = <1>; > }; > + > + mailbox0_cluster0: mailbox@31f80000 { > + compatible = "ti,am654-mailbox"; > + reg = <0x00 0x31f80000 0x00 0x200>; > + #mbox-cells = <1>; > + ti,mbox-num-users = <4>; > + ti,mbox-num-fifos = <16>; > + status = "disabled"; We don't use status="disabled" as default so far. -- Regards, Nishanth Menon _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel