From mboxrd@z Thu Jan 1 00:00:00 1970 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 4B916CCD193 for ; Mon, 20 Oct 2025 08:32:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=xZ91Gwi5gifJjpKKisGxIOuvBzMpfG2m0X4OcVippnU=; b=O7gBIySGof/z7dHtN12LfHB+4C XvLlre+OaZ7AiVVUy9CDAaQIsn78+tAf+duwV4rBiqPUurhuQYMETRyu9D9oLj2NJQ9yXqBHXVsxG 2gNqA/nRxEpZ1owPC7Nf6S135hmcPQljGv6wdfeMw3nL3SSNIuADflUxDsSbMOWUHW9BcgmQP6ued DdG+cSes+oAdEdDOWExFQkdOABpNxLGQXaeZiHaGpq4h8fBG3zlJfMcdzgNKhnNN2Mfww6jmUBUN5 OajuArSLdn8EwWIutEtJ3o5jWLXvWRGhzgjM88kZLt84A1LLEKLQDmNWlSZt6oGR6qDruvezaE8zZ fzkv2gYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vAlJ8-0000000CPbN-1gId; Mon, 20 Oct 2025 08:31:58 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vAlJ6-0000000CPaP-1ioA; Mon, 20 Oct 2025 08:31:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=xZ91Gwi5gifJjpKKisGxIOuvBzMpfG2m0X4OcVippnU=; b=mPDgNYmBcwiY902BXGH+5TCCcB 5zONyq1MWAa8X2urnLL60sGhBpmiWQriEPjndquGrDH9sR7EIIwJFpbyFfRnZ1m1Zdfkrb4SXN2SP 8ODciQWSVOYgmjZm4qcsUiw8ZFf1kzDuyZscjXj/8mLqh+YAHfgOXt7aBiohFFGHWT8xVr7a0WKxa qykeuoyBnvJ4ntaiGa1CwD6yEwtkGym3u4SqTHUmyR9rgfWb1Oxb0Dt5Aqc8Vq9KlwOTQzVBi3HZd ffYWNR7JzDZ5kR9uoh7VUfxOBwDH4cmDVEyjRJ16xPeewI/PxzDDQwAX67X+grdRGu353fN+3m9rn A/WKdVwA==; Received: from [141.76.253.240] (helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vAlJ3-0007Cv-TS; Mon, 20 Oct 2025 10:31:53 +0200 From: Heiko Stuebner To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexey Charkov Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: rockchip: Add DSI LCD display on rk3576-evb1 Date: Mon, 20 Oct 2025 10:31:53 +0200 Message-ID: <5143458.iZASKD2KPV@phil> In-Reply-To: References: <20250925-rk3576-evb1-dsi-v1-1-c76fc3740abc@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251020_013156_446888_C6082A26 X-CRM114-Status: GOOD ( 19.46 ) 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 Am Montag, 20. Oktober 2025, 10:19:51 Mitteleurop=C3=A4ische Sommerzeit sch= rieb Alexey Charkov: > On Thu, Sep 25, 2025 at 12:38=E2=80=AFAM Alexey Charkov wrote: > > > > Add support for the Rockchip W552793DBA-V10 LCD+touchscreen assembly wh= ich > > comes physically attached to Rockchip RK3576 EVB1 boards. > > > > The display part is driven by the on-chip MIPI DSI controller, and the > > touchscreen is connected over I2C. > > > > Signed-off-by: Alexey Charkov > > --- > > Note that backlight support is left out for now, as it depends on PWM > > support [0] which has not yet been merged. > > > > A workaround is simply `gpioset -c 0 13=3D1` to set the respective GPIO > > pin high and thus to light up the display unconditionally. > > > > [0] https://lore.kernel.org/lkml/20250602-rk3576-pwm-v2-0-a6434b0ce60c@= collabora.com/ > > --- > > arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 89 ++++++++++++++++= ++++++++ > > 1 file changed, 89 insertions(+) >=20 > Hi Heiko, >=20 > Any thoughts about this one? Can we perhaps get it merged for -next? Does the gpio-backlight work on that device? That would make the gpioset hack unnecessary. Heiko