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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B7C3C3A5A2 for ; Tue, 10 Sep 2019 11:45:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53BC2208E4 for ; Tue, 10 Sep 2019 11:45:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Hl4soldC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731315AbfIJLpk (ORCPT ); Tue, 10 Sep 2019 07:45:40 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:60760 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731205AbfIJLpj (ORCPT ); Tue, 10 Sep 2019 07:45:39 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id x8ABja1F081894; Tue, 10 Sep 2019 06:45:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1568115936; bh=ng9Cs8sOz+sU2Y/eAwCWJ2zVQwHbGtllOEtnh+KMP8E=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Hl4soldCIUdr7LpYsNjwiTN44fRJxaGS0iPeQ8WWfppgPrV8LBU8zrp17Ay0OUof4 ftfMBmaBuO6xXEqeSZn1wbC7N/zcz5HcSW6GTa4bB1whaeCeB+TxTc4vBt2vwl7sip 2412jhCm8O2hvVMlRaoRJ4DF6cHUZksjHpi60GOk= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x8ABjaRC088283 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 10 Sep 2019 06:45:36 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 10 Sep 2019 06:45:34 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) 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 15.1.1713.5 via Frontend Transport; Tue, 10 Sep 2019 06:45:34 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id x8ABjRpK119821; Tue, 10 Sep 2019 06:45:32 -0500 From: Peter Ujfalusi To: , CC: , , , Subject: [PATCH v2 2/3] dt-bindings: dma: ti-edma: Document dma-channel-mask for EDMA Date: Tue, 10 Sep 2019 14:45:58 +0300 Message-ID: <20190910114559.22810-3-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190910114559.22810-1-peter.ujfalusi@ti.com> References: <20190910114559.22810-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Similarly to paRAM slots, channels can be used by other cores. The common dma-channel-mask property can be used for specifying the available channels. Signed-off-by: Peter Ujfalusi --- Documentation/devicetree/bindings/dma/ti-edma.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt index 4bbc94d829c8..3c7736246354 100644 --- a/Documentation/devicetree/bindings/dma/ti-edma.txt +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -42,6 +42,9 @@ Optional properties: - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by the driver, they are allocated to be used by for example the DSP. See example. +- dma-channel-mask: Mask of usable channels, see + Documentation/devicetree/bindings/dma/dma-common.yaml + ------------------------------------------------------------------------------ eDMA3 Transfer Controller @@ -91,6 +94,9 @@ edma: edma@49000000 { ti,edma-memcpy-channels = <20 21>; /* The following PaRAM slots are reserved: 35-44 and 100-109 */ ti,edma-reserved-slot-ranges = <35 10>, <100 10>; + /* The following channels are reserved: 35-44 */ + dma-channel-mask = <0xffffffff>, /* Channel 0-31 */ + <0xffffe007>; /* Channel 32-63 */ }; edma_tptc0: tptc@49800000 { -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki