From patchwork Fri Oct 1 09:44:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 12530027 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17E71C433F5 for ; Fri, 1 Oct 2021 09:47:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D58E061A08 for ; Fri, 1 Oct 2021 09:47:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D58E061A08 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:References:In-Reply-To: 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: List-Owner; bh=DQVTvaZ0qQ/ialiXkRXR8VVzaHlyuQhxKTVL0bQp4Sw=; b=n/FfrlORlF4rqQ l/CdcIhtDfrEqSNolVDgoHEfq42UljDdAOHyEwe4DqOZIa6OdA31+ioYOBMDi78VpWuVDuu+V40O7 FJw/HqmDR/alJpqHEc4c/InzR1Ge2DNbBhAcqzH4mryyNqJvqSt4avLmQQ6RlkC9RnRdkfE0WwSSk NruEC99mJsbyRO7HtiHkhW6ITqABhAJSllpQN+3WuIyjwfIm49YuQ6M0f9afuR3jz5N6l++d4hmhr qb+ZaZQHjlawlv6u7sh9vCtP+g+7TY9ys8fdgBijnHRTCh+uUQ5oR9ZH2W3xQtLZ2UAUDREIN0XaL GeJhIN4a1QrMf3I2t2xA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mWF82-00HJiT-Gc; Fri, 01 Oct 2021 09:46:54 +0000 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mWF67-00HIjx-FX for linux-mediatek@lists.infradead.org; Fri, 01 Oct 2021 09:45:00 +0000 Received: by mail-wm1-x336.google.com with SMTP id a131-20020a1c7f89000000b0030d4c90fa87so1095298wmd.2 for ; Fri, 01 Oct 2021 02:44:54 -0700 (PDT) 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:in-reply-to:references :mime-version:content-transfer-encoding; bh=2EEEytKyiHl9MpK92vctIYCtuI6jVdoVhBUl4pU7DhM=; b=jExCUMzU7hAdOlUFBrdoeVb86nCh/Uj+lX/7G7s5uWKszC8CkoslwlyT5izIcvfEsB uvZvqwbDVWtXS6IvQUo+dVu16w26iJCDZsBn/+Rr65rLl1bX7SYgzadnMf1U+YdwlOlA +rjAPDFwiM04JpMIaKmDr5rujt2C8bB+T3kIumpI05FpEwuRZjtEkv5QaA9EbQSG4nUl cX0OavcikC81jNaUdIPXitDurwZ97stvnlvkPjHHIKCzptNI4gs+iR63ZcMOzDCaqehX TtHjsS1Tdu/J16+c0gTG46Q8BAYNNZvPBTIDi9tKtWkniI3bgNCRxcsr1trfcjNbWtpa Iw6Q== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=2EEEytKyiHl9MpK92vctIYCtuI6jVdoVhBUl4pU7DhM=; b=TulHUOvY8tsAi/v/ImU6FJIS9Dq0Sx85xl61AKQiaPKZ7Yo3PC5Gc04wUmjk8dQu6O 0zqkVSnDSHOUEyFCK1AkftFofbEOxCU0cvsC3F3GkmaAiiARGiK4nACI9fabDf9ajNa1 FgfxuKwy+qzF1g1EZ7ckP5X2bodkcEOMLr0M4UVS4D5U3t2fc1CJA+OJlL2+PeEG7vCc Vgmn6qSROj7Rpqd50risL393iWaE5YiicbGzwgFivWd4UMyU7GhrmJlMsMlkOZ/Y2Gdf PpsFKPoz7ZpnOktpbOhp1ecZi4KWXxyzwJGnx5WLvzja6XKpc1zuntvNv8frdqUbE9TG /2DQ== X-Gm-Message-State: AOAM530B8wmLuzkbAvgU6ORDjYx6mJvAYm5Q6iPliwVxxq3oNTJOUXfT rPgpRVVBr9Si3uhSGjYO+wyufQ== X-Google-Smtp-Source: ABdhPJynhJ5tvWNcwbrDCLTEh/2isdLd4PaOeQlLkhAGw9TtmoRnGZYBFiXqXYka8TDjNgi8/sRXXg== X-Received: by 2002:a05:600c:4f4e:: with SMTP id m14mr3542115wmq.5.1633081493519; Fri, 01 Oct 2021 02:44:53 -0700 (PDT) Received: from blmsp.lan ([2a02:2454:3e6:c900::97e]) by smtp.gmail.com with ESMTPSA id l21sm7181620wme.39.2021.10.01.02.44.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Oct 2021 02:44:53 -0700 (PDT) From: Markus Schneider-Pargmann To: Chun-Kuang Hu , Philipp Zabel Cc: Sam Ravnborg , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Markus Schneider-Pargmann Subject: [PATCH v3 2/6] dt-bindings: mediatek,dp: Add Display Port binding Date: Fri, 1 Oct 2021 11:44:39 +0200 Message-Id: <20211001094443.2770169-3-msp@baylibre.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211001094443.2770169-1-msp@baylibre.com> References: <20211001094443.2770169-1-msp@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211001_024455_607541_2B420A39 X-CRM114-Status: GOOD ( 12.09 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This controller is present on several mediatek hardware. Currently mt8195 and mt8395 have this controller without a functional difference, so only one compatible field is added. The controller can have two forms, as a normal display port and as an embedded display port. Signed-off-by: Markus Schneider-Pargmann --- .../display/mediatek/mediatek,dp.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml new file mode 100644 index 000000000000..f7a35962c23b --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek Display Port Controller + +maintainers: + - CK Hu + - Jitao shi + +description: | + Device tree bindings for the Mediatek (embedded) Display Port controller + present on some Mediatek SoCs. + +properties: + compatible: + enum: + - mediatek,mt8195-edp_tx + - mediatek,mt8195-dp_tx + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: faxi clock + + clock-names: + items: + - const: faxi + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input endpoint of the controller, usually dp_intf + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output endpoint of the controller + +required: + - compatible + - reg + - interrupts + - ports + +additionalProperties: false + +examples: + - | + #include + #include + dp_tx: edp_tx@1c500000 { + compatible = "mediatek,mt8195-edp_tx"; + reg = <0 0x1c500000 0 0x8000>; + interrupts = ; + power-domains = <&spm MT8195_POWER_DOMAIN_EPD_TX>; + pinctrl-names = "default"; + pinctrl-0 = <&edp_pin>; + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + edp_in: endpoint { + remote-endpoint = <&dp_intf0_out>; + }; + }; + port@1 { + reg = <1>; + edp_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + };