From patchwork Thu Jan 24 20:24:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 1030672 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="M+JlmOmc"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43ltt905y9z9s1l for ; Fri, 25 Jan 2019 07:24:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728258AbfAXUYa (ORCPT ); Thu, 24 Jan 2019 15:24:30 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:35486 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728018AbfAXUYa (ORCPT ); Thu, 24 Jan 2019 15:24:30 -0500 Received: by mail-pg1-f194.google.com with SMTP id s198so3166833pgs.2 for ; Thu, 24 Jan 2019 12:24:29 -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=M+JlmOmc/LnkQBrk4zKEhWNdWoEU/Y4v7cFdtCULVGF/PF+QLG6SjoR4oA242dO2lE 8NmbqHtI5r2F26kbPhfl8N+t6z+XdYKw0dJHh07nUFhG9tuWYri5BwXufyknfnmepDeZ SfoIOhi8F9QOMjjQ/mW6ti8dkkfaMt8ghnBKA= 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=Zaa+koUFR1P7jp1ZPF4w8pED7yHwaI6kyOG26YkOGAyGI2Ops5Wpx6PLWwAdlpk6Yr +o/eNCl9ZCG8U4hOl7ir0+hdfwQJPhq89yEyPYW+opQMGJlNxjitay+wG3QygJeygKoT 1aVI4rl/rNuV99uLKo8/3CkqmAQJRirR+trF6zI6yGFFq85bYogwBwmSfyCQgS/FXY9y X5PIoZXnbekKoXI6t80HTuNvnsC6Xn3il3O1zKSnFy9wfmsO0JzzdMYszcT/t5ylgQJ5 ou2I2zw4okO+cai25BEQ9ZXEvnuwx6zD3parHMd+VG/zn0xQcWK+fOu2MJGys/pSHaua 8+tg== X-Gm-Message-State: AJcUukfjMNq6YB0lu55mCks1KzhqE0RheXCFIgrhYHS0Ixe/iRG/Ndx3 6kejVKYZlvnuuu76cJCZ5ePfuA== X-Google-Smtp-Source: ALg8bN7NxmW28CzSxr6mGZRUoeI1PmncF62x7Fww9Iwj3aqVoVxshnaJdTYreDMlYDrtwB+sU4OC6A== X-Received: by 2002:a63:9041:: with SMTP id a62mr7112274pge.163.1548361469145; Thu, 24 Jan 2019 12:24:29 -0800 (PST) Received: from localhost.localdomain ([2601:1c2:680:1319:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id c72sm45263309pfb.107.2019.01.24.12.24.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 24 Jan 2019 12:24:28 -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 v5] Documentation: bindings: k3dma: Extend the k3dma driver binding to support hisi-asp Date: Thu, 24 Jan 2019 12:24:16 -0800 Message-Id: <1548361463-28372-2-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1548361463-28372-1-git-send-email-john.stultz@linaro.org> References: <1548361463-28372-1-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 Thu Jan 24 20:24:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 1030674 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="jSn5gDEI"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43lttx2qpqz9s3q for ; Fri, 25 Jan 2019 07:25:13 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728547AbfAXUZG (ORCPT ); Thu, 24 Jan 2019 15:25:06 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:33968 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728264AbfAXUYc (ORCPT ); Thu, 24 Jan 2019 15:24:32 -0500 Received: by mail-pf1-f193.google.com with SMTP id h3so3578365pfg.1 for ; Thu, 24 Jan 2019 12:24:31 -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=eg4nAxAXcXkNuIrbMcRJ+fzvQseMFVGhfj9rOi7KduU=; b=jSn5gDEIAVqq/AsVfDWAu0cGimFUSBivUdA0jPLdipy5yoRP9CWxJzi1zQ59dvybAW jvjR+VnSVekOGEjqOUEWyqo0R1j4cCywBZ6FW2ye97UtP6Boq3i2a/UOzdAx7SU3BsB0 Gwf6ETiR4Mwx3orGx63y00EwLkMdPy5sceqXg= 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=eg4nAxAXcXkNuIrbMcRJ+fzvQseMFVGhfj9rOi7KduU=; b=m6YqdIMoMR/rBSHTF4UnKDa2SjzfmrN8a9LzzIEZEzU4JcHXdng8mHjE0PR+Htb+2/ rjxE0SshBlcIrHWac+JHEjRdOSSuanCU7dIX1uzekS9Ugdvmg9oo3a7mgKibPW9sE6PY c9OolG3SdRZar2pyIHdFwYFyF+sQBpmJg6cIEg6ZBGOH1a5bd7evR9flj/4XKnr4eQOM 8pSVpnFUKDaU/sX6xf+7sCZuHgAW3sgQQ4wBO7lstlVrr7pT3yR4YXu296iHRwrkAsyI ddgkFbh6AsxMc4t+MQ9e2BHfutWmBA/lKGaRDV0Exl/zJALt7S06uoR+o/1Wz8GaONUH wB7A== X-Gm-Message-State: AJcUukdpoY/Dsp6cPpFd++N1ivxZNRyS+7j5xIHqDW3K7DJvTeah+kaA vkAHIj3h0F1NaZOegEz1hAHdpQ== X-Google-Smtp-Source: ALg8bN7WMfoTVni+wJrJRkqP8mH/wMyNUMBD9xBmHZIeZSxIsBVF3ZVCZzEcn9jiM+sY2nBzMuKDwQ== X-Received: by 2002:a62:a209:: with SMTP id m9mr8111866pff.218.1548361471229; Thu, 24 Jan 2019 12:24:31 -0800 (PST) Received: from localhost.localdomain ([2601:1c2:680:1319:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id c72sm45263309pfb.107.2019.01.24.12.24.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 24 Jan 2019 12:24:30 -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 v5] Documentation: bindings: dma: Add binding for dma-channel-mask Date: Thu, 24 Jan 2019 12:24:17 -0800 Message-Id: <1548361463-28372-3-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1548361463-28372-1-git-send-email-john.stultz@linaro.org> References: <1548361463-28372-1-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 Reviewed-by: Rob Herring Signed-off-by: John Stultz --- 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