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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham 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 5AD5BC43381 for ; Wed, 6 Mar 2019 09:50:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3217D213A2 for ; Wed, 6 Mar 2019 09:50:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729876AbfCFJuo (ORCPT ); Wed, 6 Mar 2019 04:50:44 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:47271 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728866AbfCFJuo (ORCPT ); Wed, 6 Mar 2019 04:50:44 -0500 X-UUID: 42e6f09927904a28b4c6f445de785950-20190306 X-UUID: 42e6f09927904a28b4c6f445de785950-20190306 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 890644307; Wed, 06 Mar 2019 17:50:39 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 6 Mar 2019 17:50:38 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 6 Mar 2019 17:50:37 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU CC: Daniel Kurtz , Sascha Hauer , , , , , , Sascha Hauer , Philipp Zabel , Nicolas Boichat , Bibby Hsieh , YT Shen , Daoyuan Huang , Jiaguang Zhang , Dennis-YC Hsieh , Houlong Wei , , , Frederic Chen Subject: [PATCH v2 03/10] dt-binding: gce: add binding for gce subsys property Date: Wed, 6 Mar 2019 17:50:28 +0800 Message-ID: <1551865835-50974-4-git-send-email-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1551865835-50974-1-git-send-email-bibby.hsieh@mediatek.com> References: <1551865835-50974-1-git-send-email-bibby.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cmdq driver provide a function that get the relationship of sub system number from device node for client. add specification for #subsys-cells, mediatek,gce-subsys. Signed-off-by: Bibby Hsieh --- Documentation/devicetree/bindings/mailbox/mtk-gce.txt | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index 812698f..07b2adf 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -26,6 +26,13 @@ Required properties: phandle: Label name of a gce node. event_number: the event number defined in 'dt-bindings/gce/mt8173-gce.h' or 'dt-binding/gce/mt8183-gce.h'. +#subsys-cells: Should be 2. + <&phandle register_base_address subsys_number> + phandle: Label name of a gce node. + register_base_address: the register base address that client + want to write or read. + subsys_number: specify the sub-system id which is corresponding + to the register address. Required properties for a client device: - mboxes: Client use mailbox to communicate with GCE, it should have this @@ -50,6 +57,7 @@ Example: thread-num = CMDQ_THR_MAX_COUNT; #mbox-cells = <3>; #event-cells = <1>; + #subsys-cells = <2>; }; Example for a client device: @@ -58,7 +66,8 @@ Example for a client device: compatible = "mediatek,mt8173-mmsys"; mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST 1>, <&gce 1 CMDQ_THR_PRIO_LOWEST 1>; - mediatek,gce-subsys = ; + mediatek,gce-subsys = <&gce 0x14000000 SUBSYS_1400XXXX>, + <&gce 0x14010000 SUBSYS_1401XXXX>; mediatek,gce-event-names = "rdma0_sof", "rsz0_sof"; mediatek,gce-events = <&gce CMDQ_EVENT_MDP_RDMA0_SOF>, -- 1.9.1