From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 13 Feb 2026 20:13:39 +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 1vqybi-001Lbk-1g for lore@lore.pengutronix.de; Fri, 13 Feb 2026 20:13:39 +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 1vqybi-0007TR-Jk for lore@pengutronix.de; Fri, 13 Feb 2026 20:13:39 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qgtzbnKHFAVmWyiNgOhu7LbFpTYL1NyZaTFwUoS1LVE=; b=4vusp/Y6TW4Bts U7Kozn7tqq0DjDKaZlTISJzUX9s2bhjJ9ZXMyBi162LEeVwmXbDrXdp0FSRvQWek8GNTCWLgdnqTf 7XHgwF2YQT/Lz0CuyYBlX5tbMsODkwRRBhcSgceKUsMeuYxIIOrYWoCBpXsrZ4p4RE6BEYy7qV/RK 4jnJtnkm5ktLbhhbG/OuIYR/KUxKUrr3rciA9Bx0GuVnh353kyfi/7QpzcmzBvbrWsySvrY4zuDQ8 VhWLQapw29fUP6GXSmqC3yhcLXLyhD64VzpGXTImPaCF4mkqhUg7Fp1HGiIsNNVkFPS4iMkUbrxcx gtF5xGW1LrZ24Z+oxEqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqyb9-00000003piJ-2qCI; Fri, 13 Feb 2026 19:13:03 +0000 Received: from www153.your-server.de ([213.133.104.153]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqyb6-00000003pgC-3OR0 for barebox@lists.infradead.org; Fri, 13 Feb 2026 19:13:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=amelchem.com; s=default2004; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=qgtzbnKHFAVmWyiNgOhu7LbFpTYL1NyZaTFwUoS1LVE=; b=Ii2Gt9x3heapA0ndxjHgwX3eee lXCOnxB871AOXz61E+/OqBseZmLwKp0mTXDWmyW4vd65Vs35aLeVKa94YHnwqMpQSd4nLBavu9vYN iGMjE2LmCywZmzYgrQeM4tH2tr+vF/weJ5C3s3qd6MBZuyEvTk18zPcryPgc8ng7tzz6TDVE2/QaP vAv0Cr4ZeYnGT3TGzFSkh9n671YWMpurzNvgg9qDx5cPnHanI8ZCR06Lr4cIKBtrXvXRJ7uYmrWqK dgLHv3ffpAX7pqlIwDFK+w5lDifQ6aDBXSR1Zgtfa7YS3fQRacUMV3yst/QA4XRKgPcD3uml2qgHc 2l3kgMag==; Received: from sslproxy08.your-server.de ([78.47.166.52]) by www153.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1vqyax-000HNg-1y; Fri, 13 Feb 2026 20:12:51 +0100 Received: from localhost ([127.0.0.1]) by sslproxy08.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vqyax-000J4V-0W; Fri, 13 Feb 2026 20:12:51 +0100 From: Giandomenico Rossi To: barebox@lists.infradead.org Date: Fri, 13 Feb 2026 20:12:46 +0100 Message-Id: <20260213191247.1671231-4-rossi@amelchem.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260213191247.1671231-1-rossi@amelchem.com> References: <20260213191247.1671231-1-rossi@amelchem.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: Clear (ClamAV 1.4.3/27911/Fri Feb 13 08:25:28 2026) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260213_111301_078299_9550AF3F X-CRM114-Status: GOOD ( 12.55 ) 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: , Cc: Giandomenico Rossi 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=-2.9 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: [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) 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 --- .../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>; + }; + }; + }; -- 2.34.1