From patchwork Wed Mar 25 11:01:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rakesh Pillai X-Patchwork-Id: 11457519 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 04956913 for ; Wed, 25 Mar 2020 11:02:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D8B5E20772 for ; Wed, 25 Mar 2020 11:02:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="XKsIC3fz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727521AbgCYLCZ (ORCPT ); Wed, 25 Mar 2020 07:02:25 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:60120 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727439AbgCYLCZ (ORCPT ); Wed, 25 Mar 2020 07:02:25 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1585134144; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=wpCdJNvYZP9qF1wOYRfniOwkSK/ZZk5UjNBFMZ9bkXA=; b=XKsIC3fzlExSDqTRj/uDP6f19Nbfb5ePpq1GrEIDoWSuRV8Mhh8MoTnuJeQW43gR0IDB+phd /ACYWpZL7/7NJ0VA+IQcsAntZrn6PGXRVLq1qsa/u7O5Ff+pNs6V6Nx/hWW8lzM86c8dSxqa CJR4FQ62QhfAc644DebBpHdY3zw= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e7b3a21.7f6911d63340-smtp-out-n05; Wed, 25 Mar 2020 11:01:53 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3FD9DC433F2; Wed, 25 Mar 2020 11:01:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from pillair-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pillair) by smtp.codeaurora.org (Postfix) with ESMTPSA id 18946C43636; Wed, 25 Mar 2020 11:01:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 18946C43636 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=pillair@codeaurora.org From: Rakesh Pillai To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rakesh Pillai Subject: [PATCH v2 1/3] dt-bindings: ath10k: Add wifi-firmware subnode for wifi node Date: Wed, 25 Mar 2020 16:31:38 +0530 Message-Id: <1585134100-5944-2-git-send-email-pillair@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1585134100-5944-1-git-send-email-pillair@codeaurora.org> References: <1585134100-5944-1-git-send-email-pillair@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add a wifi-firmware subnode for the wifi node. This wifi-firmware subnode is needed for the targets which do not support TrustZone. Signed-off-by: Rakesh Pillai --- .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 71bf91f..65ee68e 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -96,6 +96,17 @@ Optional properties: - qcom,coexist-gpio-pin : gpio pin number information to support coex which will be used by wifi firmware. +* Subnodes +The ath10k wifi node can contain one optional firmware subnode. +Firmware subnode is needed when the platform does not have TustZone. +The firmware subnode must have: + +- iommus: + Usage: required + Value type: + Definition: A list of phandle and IOMMU specifier pairs. + + Example (to supply PCI based wifi block details): In this example, the node is defined as child node of the PCI controller. @@ -196,4 +207,7 @@ wifi@18000000 { memory-region = <&wifi_msa_mem>; iommus = <&apps_smmu 0x0040 0x1>; qcom,msa-fixed-perm; + wifi-firmware { + iommus = <&apps_iommu 0xc22 0x1>; + }; };