From patchwork Fri Jan 7 14:55:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 12706726 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B3785C433EF for ; Fri, 7 Jan 2022 14:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=GYLbWgqJHzNTP6D/kYHuDDFZ3LirAuP3R2P/LZWIk+I=; b=hg//3k65GOn33+ jr2rtIph5lw3ZutawdYkEBg/iGLWevUtShdOafrQo70ZVxu5xz2Ky/1jN+811U3cqaiyWG53w0BiS J2iEZBUSt4HhhthDnSW4z2qbw40nCjs9EQ1VVT9F0PF/tdJ8mWmkgICa006AgnLSAm2tjmGquh7LK 7vpTjLLdV7EAxS4HwiMDBoFAxqEymTte2Tu0l4Y7pI7UCOIYw2m7q2bJ+iQV23aIMdsrOPyk/SQKN XV6hiQkqB6+2FgbIjZkNYEbeOljBF9yyyjDpckj/RfXFs07GXJMqtH79J7kjGe2UJp1D6B/6fesl9 o1P+vfNPPpuTHpC8/BMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5qeS-004Jp8-8W; Fri, 07 Jan 2022 14:55:32 +0000 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5qeM-004JmI-8H for linux-arm-kernel@lists.infradead.org; Fri, 07 Jan 2022 14:55:29 +0000 Received: by mail-wm1-x333.google.com with SMTP id l12-20020a7bc34c000000b003467c58cbdfso5109636wmj.2 for ; Fri, 07 Jan 2022 06:55:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=2OB1egdVUErhbIEcGNr9v6weyeR2HVWTfX0w5sfnPT8=; b=23kNyt/oSxQ3KeKDbsaqaKBfUsp7ntvPK7l7R5DcvRrrqteLCLDOIUE2EXy9y3cwUT U+8Sy4kng1/ON5Oe9tj4doiMQgEOEbnXm5z8qMDlQRI0uzJ49jI5+rbHkHkxYklybntN y08Kq6lTo/wN18Ypin7P+UVZcwhXtTr/W6M7qdtpfrIO0LqdYl4nWyNREV91skSSDnOd +KYL4/0GpLtBY/IMfMgZixsZ7Wq05QS+bClHOp5ZCB8xQCgWTecCB2mptOyqS03LxWr/ L1M0GJZhxlRdVvUxzeQQpNY79cEk8PzkxAj6KNB7okRa66QcERl76iFqKRG+xxh2U5ws xqSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=2OB1egdVUErhbIEcGNr9v6weyeR2HVWTfX0w5sfnPT8=; b=Qex5RulMS1p2YNz/BZI1hmiJHgAdXDJNAPqUZY38thQajXgguOagJ/7PV62zCqGn4e uY+w6gaMOAMtcWfjNG+/FiWjRQt+5nLB7JKXUz5ZuBcORaNxLetTH/OAlGJZijfCR20I TLbTxk390YH2XukRfbWCxEXE2+IeNyq8em7FpGZKaiP2Z7Ild9q299kpXxX8do4Uh6GE Cty1TU1/6Z8fuAtfe9ywwKSGCJ7WKiFsK5xrg4YpUDlMqQU8ejFd3CyQ1Z6UvDGWstwh yWUcXCCJLexP402fagPaXcDhc7GDHPxXQPlX4nIvUjxybBMRO0/6SOYR1sQ8Z1a5DLai CVqw== X-Gm-Message-State: AOAM5330ZyKKSTW3m64i0dXOi4Is7MRinPf/QLcjBP0pr2qDE0dp9eoK ebnssjm30Tj4hwgbFMFf72LP8A== X-Google-Smtp-Source: ABdhPJw/hF0g74U9jqW1SRjLFDdY6ypEE7h2nALHUm54k6OflJfKc5qsDc8wlGXt8MIhuedZT5cEJA== X-Received: by 2002:a05:600c:2152:: with SMTP id v18mr837414wml.50.1641567324545; Fri, 07 Jan 2022 06:55:24 -0800 (PST) Received: from localhost.localdomain ([2001:861:44c0:66c0:fc89:e826:8938:cbde]) by smtp.gmail.com with ESMTPSA id n8sm5594492wri.47.2022.01.07.06.55.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jan 2022 06:55:24 -0800 (PST) From: Neil Armstrong To: dri-devel@lists.freedesktop.org Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH 0/6] drm/meson: add support for MIPI DSI Display Date: Fri, 7 Jan 2022 15:55:09 +0100 Message-Id: <20220107145515.613009-1-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220107_065526_368481_85D35B8A X-CRM114-Status: GOOD ( 17.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Amlogic G12A, G12B & SM1 SoCs embeds a Synopsys DW-MIPI-DSI transceiver (ver 1.21a), with a custom glue managing the IP resets, clock and data input similar to the DW-HDMI glue on the same Amlogic SoCs. This adds support for the glue managing the transceiver, mimicing the init flow provided by Amlogic to setup the ENCL encoder, the glue, the transceiver, the digital D-PHY and the Analog PHY in the proper way. The DW-MIPI-DSI transceiver + D-PHY are clocked by the GP0 PLL, and the ENCL encoder + VIU pixel reader by the VCLK2 clock using the HDMI PLL. The DW-MIPI-DSI transceiver gets this pixel stream as input clocked with the VCLK2 clock. An optional "MEAS" clock can be enabled to measure the delay between each vsync feeding the DW-MIPI-DSI transceiver. This patchset is based on an earlier attempt at [1] for the AXG SoCs, but: - the AXG has a single clock source for both transceiver + pixel, which makes it an exception instead of a rule, it's simpler to add support for G12A then add AXG on it - previous glue code was a single monolitic code mixing encoders & bridges, this version is aligned on the previous cleanup done on HDMI & CVBS bridges architecture at [2] - since the only output of AXG is DSI, AXG VPU support is post-poned until we implement single-clock DSI support specific case on top of this. [1] https://lore.kernel.org/r/20200907081825.1654-1-narmstrong@baylibre.com [2] https://lore.kernel.org/r/20211020123947.2585572-1-narmstrong@baylibre.com Neil Armstrong (6): dt-bindings: display: add Amlogic MIPI DSI Host Controller bindings dt-bindings: display: meson-vpu: add third DPI output port drm/meson: venc: add ENCL encoder setup for MIPI-DSI output drm/meson: vclk: add DSI clock config drm/meson: add DSI encoder drm/meson: add support for MIPI-DSI transceiver .../display/amlogic,meson-dw-mipi-dsi.yaml | 118 ++++++ .../bindings/display/amlogic,meson-vpu.yaml | 5 + drivers/gpu/drm/meson/Kconfig | 7 + drivers/gpu/drm/meson/Makefile | 3 +- drivers/gpu/drm/meson/meson_drv.c | 7 + drivers/gpu/drm/meson/meson_dw_mipi_dsi.c | 383 ++++++++++++++++++ drivers/gpu/drm/meson/meson_dw_mipi_dsi.h | 115 ++++++ drivers/gpu/drm/meson/meson_encoder_dsi.c | 159 ++++++++ drivers/gpu/drm/meson/meson_encoder_dsi.h | 12 + drivers/gpu/drm/meson/meson_vclk.c | 47 +++ drivers/gpu/drm/meson/meson_vclk.h | 1 + drivers/gpu/drm/meson/meson_venc.c | 230 ++++++++++- drivers/gpu/drm/meson/meson_venc.h | 6 + drivers/gpu/drm/meson/meson_vpp.h | 2 + 14 files changed, 1092 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/amlogic,meson-dw-mipi-dsi.yaml create mode 100644 drivers/gpu/drm/meson/meson_dw_mipi_dsi.c create mode 100644 drivers/gpu/drm/meson/meson_dw_mipi_dsi.h create mode 100644 drivers/gpu/drm/meson/meson_encoder_dsi.c create mode 100644 drivers/gpu/drm/meson/meson_encoder_dsi.h