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 21FEAC74A5B for ; Wed, 29 Mar 2023 12:52:31 +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=eGR3YrS6IyldK5ekA4amnhWy/Qu6PKQ4TpkLbO7mxNc=; b=1tyoqonvQa+ZOT RRH7lQzJc8EwbwTDdNIqrwhl7wrbtpfKl4ZVRwvHBHwWCCr2IXMNo9YjBViKa7Zc5t35hDOa158f9 AshbpH6JjCGO88tsrAxEwjzQoF9bRyJSEQMvDX7B4UxTyRCY+cb1KrJP1snu/SPmX+F8mYW2GTvk2 H+J6dWYJ26CDl2q1w1OETwnQ5dpweuHv22MGrHllC0CKprIiO2aSQ7ZrItDaQGRknmClvUw2eUGui RiizArHLvVOurT3V7hO+UIVoM49/vd9QBOxxeKAahCUA5jx4nIucmqHFJaVA2XfoDz0IO6UjAK8lt la/7IWdiHqDyk7wEqlRw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1phVGh-000F8x-00; Wed, 29 Mar 2023 12:51:11 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1phVGe-000F7e-1g for linux-arm-kernel@lists.infradead.org; Wed, 29 Mar 2023 12:51:09 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32TCorZG053197; Wed, 29 Mar 2023 07:50:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1680094253; bh=jvj7nJNTRKOUulfZf2ha54ALIoyIFvxF/5bwjDZCgS4=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=MT2AXeLrx68mn+yW5v2pCJknjKfZID6siMgk5XaEduo8BDUO0zAfsifAysZDuJlyT U0VAWVDzkZaon2vm+eo3xkzn2oKWjTxg096a8tJ7iJXdyHePvIMKlCERdPBaqxp8m8 gejCldf2hcHvX9PQgsfQs/SPLftC/BihkSPZPTvc= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32TCorjm126703 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 29 Mar 2023 07:50:53 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 29 Mar 2023 07:50:52 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 29 Mar 2023 07:50:52 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 32TCoqSa010641; Wed, 29 Mar 2023 07:50:52 -0500 Date: Wed, 29 Mar 2023 07:50:52 -0500 From: Nishanth Menon To: Hari Nagalla CC: , , , , , , Subject: Re: [PATCH 3/3] arm64: dts: ti: k3-j784s4-main: Add C71x DSP nodes Message-ID: <20230329125052.7uoivy2hpkhae4i3@blimp> References: <20230329093627.30719-1-hnagalla@ti.com> <20230329093627.30719-4-hnagalla@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230329093627.30719-4-hnagalla@ti.com> 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-20230329_055108_643440_0C2AFAB8 X-CRM114-Status: GOOD ( 18.23 ) 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 04:36-20230329, Hari Nagalla wrote: > The J784S4 SoCs have four TMS320C71x DSP subsystems in the MAIN voltage > domain. The functionality of these DSP subsystems is similar to the C71x > DSP subsystems on earlier k3 device J721S2. Each subsystem has a 48 KB of > L1D configurable SRAM/Cache and 512 KB of L2 SRAM/Cache. This subsystem > has a CMMU but is not currently used. The inter-processor communication > between the main A72 cores and the C71x DSPs is achieved through shared > memory and mailboxes. Add the DT nodes for these DSP processor sub-systems. > > Signed-off-by: Hari Nagalla > --- > arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 52 ++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > index 53d337ea35fb..9af0bab5382a 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > @@ -1152,4 +1152,56 @@ > > }; > }; > + > + c71_0: dsp@64800000 { > + compatible = "ti,j721s2-c71-dsp"; > + reg = <0x00 0x64800000 0x00 0x00080000>, > + <0x00 0x64e00000 0x00 0x0000c000>; > + reg-names = "l2sram", "l1dram"; > + ti,sci = <&sms>; > + ti,sci-dev-id = <30>; > + ti,sci-proc-ids = <0x30 0xff>; > + resets = <&k3_reset 30 1>; > + firmware-name = "j784s4-c71_0-fw"; > + status = "disabled"; And why are these disabled by default? > + }; > + > + c71_1: dsp@65800000 { > + compatible = "ti,j721s2-c71-dsp"; > + reg = <0x00 0x65800000 0x00 0x00080000>, > + <0x00 0x65e00000 0x00 0x0000c000>; > + reg-names = "l2sram", "l1dram"; > + ti,sci = <&sms>; > + ti,sci-dev-id = <33>; > + ti,sci-proc-ids = <0x31 0xff>; > + resets = <&k3_reset 33 1>; > + firmware-name = "j784s4-c71_1-fw"; > + status = "disabled"; > + }; > + > + c71_2: dsp@66800000 { > + compatible = "ti,j721s2-c71-dsp"; > + reg = <0x00 0x66800000 0x00 0x00080000>, > + <0x00 0x66e00000 0x00 0x0000c000>; > + reg-names = "l2sram", "l1dram"; > + ti,sci = <&sms>; > + ti,sci-dev-id = <37>; > + ti,sci-proc-ids = <0x32 0xff>; > + resets = <&k3_reset 37 1>; > + firmware-name = "j784s4-c71_2-fw"; > + status = "disabled"; > + }; > + > + c71_3: dsp@67800000 { > + compatible = "ti,j721s2-c71-dsp"; > + reg = <0x00 0x67800000 0x00 0x00080000>, > + <0x00 0x67e00000 0x00 0x0000c000>; > + reg-names = "l2sram", "l1dram"; > + ti,sci = <&sms>; > + ti,sci-dev-id = <40>; > + ti,sci-proc-ids = <0x33 0xff>; > + resets = <&k3_reset 40 1>; > + firmware-name = "j784s4-c71_3-fw"; > + status = "disabled"; > + }; > }; > -- > 2.17.1 > -- 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