From patchwork Mon Aug 1 13:17:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12933776 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 A9A23C00144 for ; Mon, 1 Aug 2022 13:20:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF32EB4571; Mon, 1 Aug 2022 13:19:25 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id 15256B218B for ; Mon, 1 Aug 2022 13:18:06 +0000 (UTC) Received: from tr.lan (ip-86-49-12-201.bb.vodafone.cz [86.49.12.201]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 0184384488; Mon, 1 Aug 2022 15:18:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1659359885; bh=7u1j7bRHd+HUoYk010/j4ga0au7FJj/EVBZkBw4gTMQ=; h=From:To:Cc:Subject:Date:From; b=fK/E5KSxDerRpzmgY5dilY4OpNdzj4Bwz1l2oeRy7ETJfciIaql/zcSxLytsCtI7E yG5avFe2FV9oZ38kWoUWfs0xYryBhrG3VVzjkOqdgdVXhwjeLrkWzdK2y+18DD6c7K bQcdZqmryTERSIohCYYSUaN5nDzxNKwjHmcKVumL5L4FF7quqsGA54xYCviMe2O3Am 8/L/24yaWsCgPci3tIk+P/x4ZCVjnOuqvLnAXo9uWKTUHZG+AiM94QzKZDMHwcSIYB qRgZrlmnP5ViJcTtM7zdc0XKpKEpmq1cu8YP4DHsykHKK3q+q8+02ew2GUBTEiIGk+ lRqNj3lUUrEwg== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] dt-bindings: display: bridge: icn6211: Add support for external REFCLK Date: Mon, 1 Aug 2022 15:17:46 +0200 Message-Id: <20220801131747.183041-1-marex@denx.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , devicetree@vger.kernel.org, robert.foss@linaro.org, Jagan Teki , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The ICN6211 is capable of deriving its internal PLL clock from either MIPI DSI HS clock, external REFCLK clock, or even internal oscillator. Currently supported is only the first option. Document support for external REFCLK clock input in addition to that. Signed-off-by: Marek Vasut Cc: Jagan Teki Cc: Laurent Pinchart Cc: Linus Walleij Cc: Rob Herring Cc: Robert Foss Cc: Sam Ravnborg Cc: dri-devel@lists.freedesktop.org Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring --- .../bindings/display/bridge/chipone,icn6211.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml index 4f0b7c71313c3..18563ebed1a96 100644 --- a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml +++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml @@ -24,6 +24,15 @@ properties: maxItems: 1 description: virtual channel number of a DSI peripheral + clock-names: + const: "refclk" + + clocks: + maxItems: 1 + description: | + Optional external clock connected to REF_CLK input. + The clock rate must be in 10..154 MHz range. + enable-gpios: description: Bridge EN pin, chip is reset when EN is low.