From patchwork Wed Jan 16 17:10:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 1026050 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="a1kvmDhP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43ftz93M2Sz9sD9 for ; Thu, 17 Jan 2019 04:11:33 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729311AbfAPRLb (ORCPT ); Wed, 16 Jan 2019 12:11:31 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:46421 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391429AbfAPRKp (ORCPT ); Wed, 16 Jan 2019 12:10:45 -0500 Received: by mail-pl1-f195.google.com with SMTP id t13so3279146ply.13 for ; Wed, 16 Jan 2019 09:10:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=GeyXvvqE5bL0aSA9R8EemEtHWRM9NeMogHgyU1Syf0k=; b=a1kvmDhPW81K3f0m0+Jig4OKzRNMPLUeAoJTMJ2WPWBzPThKbtn8jU5zc1lbiCLGfZ hiQqYjxGREPP0RnDgfG3dOwVZbCs6jk+Zrpluqb6wYdTApVW8LF9PGUjUvMX1d3iXQBB g58DRO+VyOOrLNtoAIglBfC93/Y5Y3kvMmTAQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=GeyXvvqE5bL0aSA9R8EemEtHWRM9NeMogHgyU1Syf0k=; b=YceyUCXBVEl3ccdhuKau3mOqQtgLA4nk04uf62ZBAgxI2MRR3j0O5CNS8agPPVyQAD KMy4LzD+/wwEcw6WA3ZLdJXO7IV3/DbQyQqivPieQ8rPRLWRoL/+ZruwaTvuSDV3zldg /4NiS0uAuM3cH6GM3m3dj1DOYmSL2c8D4wOU2j6OHGvhOTf+D30XkazojXKIUA6rbHRF iZ6COjAF2AT5Ht9Ibr/G2vCBfulRpOLCt1fzp5TiE3JwmyTtvQ0bcWkmlwRnSyPp2M7I F+fkx3lLp3uw+9VvOq0ON/Rs9YQACYT7Orhm0scoazXBLwyaxufQ7uPWfZ7wj5RwvAVs PwZQ== X-Gm-Message-State: AJcUuke2iaTgibmPzPcVB7RPUO0J7GBDSheCrjQDk5UhZTCYobPGpiXf ETy7YMrsEFpV+yE53yXJbKH/Pw== X-Google-Smtp-Source: ALg8bN7nlqj4eb8HA/AK0fRhI7c6n2hui2RsCL9RXiebA/o/re4EvsYevFU9l+JTA3cM1IsKOrOgdQ== X-Received: by 2002:a17:902:66e6:: with SMTP id e93mr10678478plk.92.1547658644110; Wed, 16 Jan 2019 09:10:44 -0800 (PST) Received: from localhost.localdomain ([2601:1c2:680:1319:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id h129sm17914023pfb.110.2019.01.16.09.10.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Jan 2019 09:10:43 -0800 (PST) From: John Stultz To: lkml Cc: Youlin Wang , Vinod Koul , Rob Herring , Mark Rutland , Zhuangluan Su , Tanglei Han , Ryan Grachek , Manivannan Sadhasivam , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, John Stultz Subject: [PATCH 1/8 v4] Documentation: bindings: k3dma: Extend the k3dma driver binding to support hisi-asp Date: Wed, 16 Jan 2019 09:10:22 -0800 Message-Id: <1547658629-25378-2-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1547658629-25378-1-git-send-email-john.stultz@linaro.org> References: <1547658629-25378-1-git-send-email-john.stultz@linaro.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Youlin Wang Extend the k3dma driver binding to support hisi-asp hardware variants. Cc: Vinod Koul Cc: Rob Herring Cc: Mark Rutland Cc: Zhuangluan Su Cc: Tanglei Han Cc: Ryan Grachek Cc: Manivannan Sadhasivam Cc: dmaengine@vger.kernel.org Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring Signed-off-by: Youlin Wang Signed-off-by: Tanglei Han Signed-off-by: John Stultz --- v2: Simplify patch, removing extranious examples --- Documentation/devicetree/bindings/dma/k3dma.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt index 4945aea..10a2f15 100644 --- a/Documentation/devicetree/bindings/dma/k3dma.txt +++ b/Documentation/devicetree/bindings/dma/k3dma.txt @@ -3,7 +3,9 @@ See dma.txt first Required properties: -- compatible: Should be "hisilicon,k3-dma-1.0" +- compatible: Must be one of +- "hisilicon,k3-dma-1.0" +- "hisilicon,hisi-pcm-asp-dma-1.0" - reg: Should contain DMA registers location and length. - interrupts: Should contain one interrupt shared by all channel - #dma-cells: see dma.txt, should be 1, para number From patchwork Wed Jan 16 17:10:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 1026049 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="kOB1Q123"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43ftz06XgNz9sD9 for ; Thu, 17 Jan 2019 04:11:24 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405435AbfAPRKr (ORCPT ); Wed, 16 Jan 2019 12:10:47 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:45593 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391517AbfAPRKr (ORCPT ); Wed, 16 Jan 2019 12:10:47 -0500 Received: by mail-pl1-f194.google.com with SMTP id a14so3286866plm.12 for ; Wed, 16 Jan 2019 09:10:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=pJa/3xt1JMxzSbHyVab2zd3RhWbY439V9Orw9mFVXdA=; b=kOB1Q123vSecSRTJ06CsqyBuW9/HImrhm3MqYY0doaB11TP2Dvk+npnTSqQsTfnRcW mTe1bbiGHRs4vn+edG0CtmnyPCzVa6hRASQjKRNBQD5vUqJzCSfGsxe7g9I+sZPV16Hd 3hEdg0wcrJKS+17GRjAwcC1qKLl6RGEh06c3I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=pJa/3xt1JMxzSbHyVab2zd3RhWbY439V9Orw9mFVXdA=; b=ATrr9hvdOUWG1rezD33P0qG40DzXqIVxckHNcvOSoRPleFyxdTXtdSHRa6P55Cssnv l14/qWwNOmOPqrro9Ci9p6xvezi3fLiZpXxXXK9WymSkvsqcQTAsS4qQLH/JX7zwR9a4 iA7W2oN/l40VwQpvzBM4ibqAmIGwtIcvzQIHhtDeC3WPdaMUFSHBUDRZ/2pzwte1ICuD z1nt7zNzS2d5tpcvdrwo3ulji2CzXBSTfyXvX1no0sms09zyiHPhDJYbLFEz+Kw3RcYe tJU4MobsSXw7iji9wYUgl0rVPz10ZRLEj8epbBap0In6kosIwHmBvFT6317K//zXSFOp 1cBw== X-Gm-Message-State: AJcUukcliWjVV1xw4E5cIlxa01adeXe06EoiPV5LM4Oc0LcKg6QklGH9 DQF0Cv0YQk3Ln2rLyOAMJcUz9Q== X-Google-Smtp-Source: ALg8bN53UVr90AHvPfr8dtUoE+UjK3twxa1QIy9kliJAMjdXVHiYMuFJ2I9wblt0BFdSy8YMh/khfA== X-Received: by 2002:a17:902:2a0a:: with SMTP id i10mr10713001plb.323.1547658646183; Wed, 16 Jan 2019 09:10:46 -0800 (PST) Received: from localhost.localdomain ([2601:1c2:680:1319:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id h129sm17914023pfb.110.2019.01.16.09.10.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Jan 2019 09:10:44 -0800 (PST) From: John Stultz To: lkml Cc: John Stultz , Vinod Koul , Rob Herring , Mark Rutland , Tanglei Han , Zhuangluan Su , Ryan Grachek , Manivannan Sadhasivam , dmaengine@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 2/8 v4] Documentation: bindings: dma: Add binding for dma-channel-mask Date: Wed, 16 Jan 2019 09:10:23 -0800 Message-Id: <1547658629-25378-3-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1547658629-25378-1-git-send-email-john.stultz@linaro.org> References: <1547658629-25378-1-git-send-email-john.stultz@linaro.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Some dma channels can be reserved for secure mode or other hardware on the SoC, so provide a binding for a bitmask listing the available channels for the kernel to use. This follows the pre-existing bcm,dma-channel-mask binding. Cc: Vinod Koul Cc: Rob Herring Cc: Mark Rutland Cc: Tanglei Han Cc: Zhuangluan Su Cc: Ryan Grachek Cc: Manivannan Sadhasivam Cc: dmaengine@vger.kernel.org Cc: devicetree@vger.kernel.org Signed-off-by: John Stultz Reviewed-by: Rob Herring --- v3: Renamed to hisi-dma-avail-chan v4: Reworked to generic dma-channel-mask --- Documentation/devicetree/bindings/dma/dma.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt index 6312fb0..eeb4e4d 100644 --- a/Documentation/devicetree/bindings/dma/dma.txt +++ b/Documentation/devicetree/bindings/dma/dma.txt @@ -16,6 +16,9 @@ Optional properties: - dma-channels: Number of DMA channels supported by the controller. - dma-requests: Number of DMA request signals supported by the controller. +- dma-channel-mask: Bitmask of available DMA channels in ascending order + that are not reserved by firmware and are available to + the kernel. i.e. first channel corresponds to LSB. Example: @@ -29,6 +32,7 @@ Example: #dma-cells = <1>; dma-channels = <32>; dma-requests = <127>; + dma-channel-mask = <0xfffe> }; * DMA router