From patchwork Mon Apr 23 16:13:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10357451 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A639D601BE for ; Mon, 23 Apr 2018 16:16:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 94CFB28BA8 for ; Mon, 23 Apr 2018 16:16:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8950B28BAA; Mon, 23 Apr 2018 16:16:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0BA3D28BA8 for ; Mon, 23 Apr 2018 16:16:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=vYIGxgwBCa1if3BO1ZQo0bzdkYISQu7rXb4d9/RBUEM=; b=KRw1DOpAYnR36gU6IulF8dVpzA Th3vh9wo+/Olzno0lAPJWjFaiDdQuhkHVtAg0IlkJTMqA6YJNSpY3rRWem6aLVVBku0xE3fA9YK1g ogVqDgS/HVmfsxGhz1M6LJ4qcWW6OR2pDZ5kV8wE/qR/PiQsiNmT+/+mQXf7liUGUyzCT3YfGmCmc 51OqPkIraozn/iT5m1MlVH8bCbOkvWcmkHiZZ4dFMPQUpKblhEOwj1vQvPNf3RYgOuSsPrFyE/xzK nLvI0lNaSlywRc1hrgSLSNqJYPKgHDo4qNAkhF0rTy2s0uStUVFnBeGpXtw1eQYVCzdAVMDZF8OLf Y4TG/0xQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fAe8E-0001UB-CX; Mon, 23 Apr 2018 16:15:58 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fAe6r-00084i-KP; Mon, 23 Apr 2018 16:14:35 +0000 Received: from ziggy.de (unknown [37.223.140.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 83D26217A6; Mon, 23 Apr 2018 16:14:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 83D26217A6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=matthias.bgg@kernel.org From: matthias.bgg@kernel.org To: ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com, mturquette@baylibre.com, sboyd@codeaurora.org, lee.jones@linaro.org Subject: [v2 01/10] dt-bindings: mediatek: mmsys: Add support for mfd Date: Mon, 23 Apr 2018 18:13:50 +0200 Message-Id: <64ca273429d92f581568a48f3efe6035af65f579.1524497268.git.mbrugger@suse.com> X-Mailer: git-send-email 2.16.3 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180423_091433_705152_ACB84832 X-CRM114-Status: GOOD ( 14.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean.wang@mediatek.com, gregkh@linuxfoundation.org, rdunlap@infradead.org, linux@armlinux.org.uk, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, Matthias Brugger , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, mchehab@kernel.org, pi-cheng.chen@linaro.org, davem@davemloft.net, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthias Brugger Add binding description for the mmsys mfd for some Mediatek devices. mmsys has some registers to control clock gates (which is used in the clk driver) and some registers to set the routing and enable the differnet blocks of the display subsystem. Signed-off-by: Matthias Brugger --- .../bindings/arm/mediatek/mediatek,mmsys.txt | 2 -- .../bindings/display/mediatek/mediatek,disp.txt | 2 +- .../devicetree/bindings/mfd/mediatek,mmsys.txt | 27 ++++++++++++++++++++++ 3 files changed, 28 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt index 4eb8bbe15c01..4468345f8b1a 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt @@ -6,10 +6,8 @@ The Mediatek mmsys controller provides various clocks to the system. Required Properties: - compatible: Should be one of: - - "mediatek,mt2701-mmsys", "syscon" - "mediatek,mt2712-mmsys", "syscon" - "mediatek,mt6797-mmsys", "syscon" - - "mediatek,mt8173-mmsys", "syscon" - #clock-cells: Must be 1 The mmsys controller uses the common clk binding from diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt index 383183a89164..85a3b4ec06cd 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt @@ -9,7 +9,7 @@ function block. All DISP device tree nodes must be siblings to the central MMSYS_CONFIG node. For a description of the MMSYS_CONFIG binding, see -Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt. +Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt DISP function blocks ==================== diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt b/Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt new file mode 100644 index 000000000000..2331ae16917e --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt @@ -0,0 +1,27 @@ +MediaTek MMSYS Multifunction Device Driver + +MMSYS is a multifunction device with the following sub modules: +- clocks for the multi-media subsystem +- central node for the DRM subsystem. + +This document describes the binding for MFD device. The MFD takes care to initailize +the clock driver and the DRM driver. More info see +Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt + +Required properties: +- compatible: Should be one of: + - "mediatek,mt2701-mmsys", "syscon" + - "mediatek,mt8173-mmsys", "syscon" +- #clock-cells: Must be 1 + +Optional properties: +- power-domains: list of powerdomains needed for the subsystem to work + +Example: + +mmsys: clock-controller@14000000 { + compatible = "mediatek,mt8173-mmsys", "syscon"; + reg = <0 0x14000000 0 0x1000>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + #clock-cells = <1>; +};