From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 23 Feb 2026 11:58:25 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vuTdw-004ntO-30 for lore@lore.pengutronix.de; Mon, 23 Feb 2026 11:58:25 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vuTdx-0003fX-46 for lore@pengutronix.de; Mon, 23 Feb 2026 11:58:25 +0100 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-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TdOlIAQl58AjwnybBExRk96WtL7c5IOjCBK6rllBDyI=; b=N3qR4RbPUS66vVbKAG/fs1R27y 70rFwY0yUMIsQ+1tkg/XFmov3QVA90P0PVVEZG7emqBkFyXrLV8MKqBYYVh1Jv9GNuYAGzgMFSshQ 77hVCur+95HCOn1Ym6rMekgdF8I7qxvaCgy3eXxDV0MjMwnk/zw8dUiX9eQK8Wos9kr2Q4GiU0Mxx RHuvLOc8H4kIGwKVUwZwqUzDKyVBpihq3PtrU0m3cbpc5s10nC5y6YbzJIId4ZKqv5iqDEMR2eW53 Rqz4lB0eLbmSG+igsLoLyZzrRIqeswd1GfN3iaTCTpiN02eoQ6llfBxwdDKAQPTSsquOzKCHxxK4O 6GAN1KqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vuTdZ-000000006rh-3kW9; Mon, 23 Feb 2026 10:58:01 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vuTdW-000000006qm-3zOL for barebox@lists.infradead.org; Mon, 23 Feb 2026 10:58:00 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vuTdV-0003ZQ-HG; Mon, 23 Feb 2026 11:57:57 +0100 Message-ID: <5b4c8e38-aae3-44c4-a4ef-648d5b6dc5ff@pengutronix.de> Date: Mon, 23 Feb 2026 11:57:56 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Giandomenico Rossi , barebox@lists.infradead.org References: <20260213191247.1671231-1-rossi@amelchem.com> <20260213191247.1671231-4-rossi@amelchem.com> From: Ahmad Fatoum Content-Language: en-US, de-DE, de-BE In-Reply-To: <20260213191247.1671231-4-rossi@amelchem.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260223_025758_994993_979340C5 X-CRM114-Status: GOOD ( 21.08 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v1 3/4] dt-bindings: display: panel: add Ilitek ILI9488 panel X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi, On 2/13/26 8:12 PM, Giandomenico Rossi wrote: > Add device tree binding documentation for TFT LCD panels based on > the Ilitek ILI9488 controller connected via MIPI DBI Type-C Option 1 > over SPI. > > The binding documents panels such as the WF35-320480UD operating in > RGB666 (18-bit) pixel format and describes required GPIOs, power > supply, optional backlight and panel timing. > > A 'rotation' property is provided to configure the display > orientation. > > Signed-off-by: Giandomenico Rossi This patch needs to go into Documentation/devicetree/bindings/ as dts/Bindings are exclusively the upstream Linux bindings. Maybe Sascha can do this when applying? Cheers, Ahmad > --- > .../display/panel/panel-ilitek-ili9488.yaml | 120 ++++++++++++++++++ > 1 file changed, 120 insertions(+) > create mode 100644 dts/Bindings/display/panel/panel-ilitek-ili9488.yaml > > diff --git a/dts/Bindings/display/panel/panel-ilitek-ili9488.yaml b/dts/Bindings/display/panel/panel-ilitek-ili9488.yaml > new file mode 100644 > index 0000000000..ceb14a5c25 > --- /dev/null > +++ b/dts/Bindings/display/panel/panel-ilitek-ili9488.yaml > @@ -0,0 +1,120 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/video/panel-ilitek-ili9488.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Ilitek ILI9488 TFT LCD Panel (MIPI DBI SPI) > + > +maintainers: > + - Giandomenico Rossi > + > +description: | > + Ilitek ILI9488 TFT LCD controller connected over MIPI DBI Type C > + Option 1 using an SPI bus. > + > + Specific panels such as the Winstar WF35-320480UD may provide a > + vendor-specific compatible string followed by "ilitek,ili9488" > + as fallback. > + > + The controller supports RGB666 (18-bit) pixel format over SPI. > + > +properties: > + compatible: > + oneOf: > + - items: > + - const: winstar,wf35-320480ud > + - const: ilitek,ili9488 > + - const: ilitek,ili9488 > + > + reg: > + description: SPI chip select number > + maxItems: 1 > + > + spi-max-frequency: > + $ref: /schemas/types.yaml#/definitions/uint32 > + maximum: 48000000 > + description: Maximum SPI clock frequency in Hz > + > + reset-gpios: > + description: Optional hardware reset GPIO > + maxItems: 1 > + > + power-supply: > + description: Regulator supplying panel power > + > + backlight: > + description: Phandle to a backlight device > + > + rotation: > + description: | > + Display rotation in degrees clockwise. > + > + The driver uses this value to configure the ILI9488 > + Memory Access Control (MADCTL) register. > + enum: [0, 90, 180, 270] > + default: 0 > + > + panel-timing: > + description: | > + Panel timing description. > + > + For MIPI DBI panels the pixel clock and porch values are ignored, > + but xactive/yactive must be provided. > + type: object > + properties: > + clock-frequency: > + description: Dummy pixel clock (may be 0) > + hactive: > + description: Horizontal resolution in pixels > + vactive: > + description: Vertical resolution in pixels > + hfront-porch: > + default: 0 > + hback-porch: > + default: 0 > + hsync-len: > + default: 0 > + vfront-porch: > + default: 0 > + vback-porch: > + default: 0 > + vsync-len: > + default: 0 > + > + required: > + - hactive > + - vactive > + > +required: > + - compatible > + - reg > + - panel-timing > + > +additionalProperties: false > + > +examples: > + - | > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + display@0 { > + compatible = "winstar,wf35-320480ud", "ilitek,ili9488"; > + reg = <0>; > + spi-max-frequency = <40000000>; > + > + reset-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; > + > + power-supply = <&vcc_3v3>; > + backlight = <&backlight>; > + > + rotation = <90>; > + > + panel-timing { > + hactive = <480>; > + vactive = <320>; > + clock-frequency = <0>; > + }; > + }; > + }; -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |