From patchwork Tue Jun 12 20:00:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 10461033 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 AD156603B4 for ; Tue, 12 Jun 2018 20:03:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87E1B28B54 for ; Tue, 12 Jun 2018 20:03:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 854AB28B7E; Tue, 12 Jun 2018 20:03:01 +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 60BED28BEE for ; Tue, 12 Jun 2018 20:02:53 +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=PSBh1Qw/fqWewJOF0fpO5FCwgYWf1S5BorlH7Q/cBvc=; b=BvfoFUiLlnWOCk12LaXCx9Q7aR lF1etUPUGUSgSwYcQqyZt0MBj0d9lRiwuCXEtmJXdRI3xObXSbJuKfT70loKPINkpruMedhAp65ps uFEYQxaqc342wDmPCzCRhwS7ASNWeaXL1VEhw0Xg/Ph6T9tjRPOq+gFOLo/zgdPWOMRlmOf/HzLRY thXMCce2Po/aJvHRhHrh3HEAF7xjcX4/KlBingQWW0TcXA6M9Ktd3+0RuVGE05vkqA9aFIkwklgs0 aCVQoEoGFk+sFYj7myKFLNr5jEcD3wHdCydli32EKizuJjbfwuhRcCKaFVlKsxFEtaMJ7H7nc0SN4 3RUkwxYg==; 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 1fSpVC-0006sY-R2; Tue, 12 Jun 2018 20:02:50 +0000 Received: from mailoutvs7.siol.net ([185.57.226.198] helo=mail.siol.net) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fSpUY-0006Mz-SD for linux-arm-kernel@lists.infradead.org; Tue, 12 Jun 2018 20:02:13 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Zimbra) with ESMTP id A34D852212F; Tue, 12 Jun 2018 22:01:58 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta12.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta12.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id SpG0yji_IhvB; Tue, 12 Jun 2018 22:01:58 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Zimbra) with ESMTPS id F0503521FAC; Tue, 12 Jun 2018 22:01:57 +0200 (CEST) Received: from localhost.localdomain (unknown [194.152.15.144]) (Authenticated sender: 031275009) by mail.siol.net (Zimbra) with ESMTPSA id 711A652212F; Tue, 12 Jun 2018 22:01:55 +0200 (CEST) From: Jernej Skrabec To: maxime.ripard@bootlin.com, wens@csie.org, robh+dt@kernel.org Subject: [PATCH v2 04/27] dt-bindings: display: sunxi-drm: Add TCON TOP description Date: Tue, 12 Jun 2018 22:00:13 +0200 Message-Id: <20180612200036.21483-5-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180612200036.21483-1-jernej.skrabec@siol.net> References: <20180612200036.21483-1-jernej.skrabec@siol.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180612_130211_094136_E77EB595 X-CRM114-Status: GOOD ( 13.47 ) 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: mark.rutland@arm.com, devicetree@vger.kernel.org, airlied@linux.ie, gustavo@padovan.org, maarten.lankhorst@linux.intel.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, seanpaul@chromium.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.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 TCON TOP main purpose is to configure whole display pipeline. It determines relationships between mixers and TCONs, selects source TCON for HDMI, muxes LCD and TV encoder GPIO output, selects TV encoder clock source and contains additional TV TCON and DSI gates. Signed-off-by: Jernej Skrabec --- .../bindings/display/sunxi/sun4i-drm.txt | 45 +++++++++++++++++++ include/dt-bindings/clock/sun8i-tcon-top.h | 11 +++++ 2 files changed, 56 insertions(+) create mode 100644 include/dt-bindings/clock/sun8i-tcon-top.h diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index 3346c1e2a7a0..ef64c589a4b3 100644 --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt @@ -187,6 +187,51 @@ And on the A23, A31, A31s and A33, you need one more clock line: - 'lvds-alt': An alternative clock source, separate from the TCON channel 0 clock, that can be used to drive the LVDS clock +TCON TOP +-------- + +TCON TOPs main purpose is to configure whole display pipeline. It determines +relationships between mixers and TCONs, selects source TCON for HDMI, muxes +LCD and TV encoder GPIO output, selects TV encoder clock source and contains +additional TV TCON and DSI gates. + +It allows display pipeline to be configured in very different ways: + + / LCD0/LVDS0 + / TCON-LCD0 + | \ MIPI DSI + mixer0 | + \ / TCON-LCD1 - LCD1/LVDS1 + TCON-TOP + / \ TCON-TV0 - TVE0/RGB + mixer1 | \ + | TCON-TOP - HDMI + | / + \ TCON-TV1 - TVE1/RGB + +Note that both TCON TOP references same physical unit. + +Required properties: + - compatible: value must be one of: + * allwinner,sun8i-r40-tcon-top + - reg: base address and size of the memory-mapped region. + - clocks: phandle to the clocks feeding the TCON TOP + * bus: TCON TOP interface clock + - clock-names: clock name mentioned above + - resets: phandle to the reset line driving the DRC + * rst: TCON TOP reset line + - reset-names: reset name mentioned above + - #clock-cells : must contain 1 + +- ports: A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. The first port + should be the input for mixer0 mux. The second should be the output for that + mux. Third port should be input for mixer1 mux. Fourth port should be output + for mixer1 mux. Fifth port should be input for HDMI mux. Sixth port should + be output for it. All output endpoints should have reg property with the id + of the target TCON. All ports should have only one enpoint connected to + remote endpoint. + DRC --- diff --git a/include/dt-bindings/clock/sun8i-tcon-top.h b/include/dt-bindings/clock/sun8i-tcon-top.h new file mode 100644 index 000000000000..c05e92770402 --- /dev/null +++ b/include/dt-bindings/clock/sun8i-tcon-top.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* Copyright (C) 2018 Jernej Skrabec */ + +#ifndef _DT_BINDINGS_CLOCK_SUN8I_TCON_TOP_H_ +#define _DT_BINDINGS_CLOCK_SUN8I_TCON_TOP_H_ + +#define CLK_BUS_TCON_TOP_DSI 0 +#define CLK_BUS_TCON_TOP_TV0 1 +#define CLK_BUS_TCON_TOP_TV1 2 + +#endif /* _DT_BINDINGS_CLOCK_SUN8I_TCON_TOP_H_ */