From patchwork Sun Feb 9 18:06:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamlesh Gurudasani X-Patchwork-Id: 1235513 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=s2Qss8dP; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48Fxn60Z6nz9sRR for ; Mon, 10 Feb 2020 05:06:34 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727409AbgBISGd (ORCPT ); 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bh=JZlAL4NuWzFvfP/W/48KSozeEPDNM5gniNDWfhy9y5g=; b=Z4oExbW9crH36uFPLr2UMsPzjfUZwRraigTRjXkkllj8VkzGacJSOcKY1rW1KJlQKu Zbg8Eqyoa+pCXT8qo3QEo3xm9h4VuJucqdfsi29FIBV9CbIJrdAWg8uAF6ZWfqsYMFxq 7aFG7qAqGeOYnjw+CJ+P4c4a0+gCQSm3Bp7oVpt2O+MU6dThCLzxrp98Rf4B/OE242a8 HT5m/9DKUNVBize1E3XaipveICzoGM33XRF6F+Z3zKlxHnRc/44pFfzPXIFSH/gaYZFo J5FmJ7qMq+R9RAvoaHmZmPNH/qO8QzuBeIXGw28pKcbofDWS9xuPsiyyj4KAcKWVwzez wlbw== X-Gm-Message-State: APjAAAXxz1AsNBGxLCHR0GApdDldrcA6V8qJNihEYmvDkCcgyiI+ZbTM yHxH8Er8rs3HCmjWkRCc9N7ggAdpBQLwbQ== X-Google-Smtp-Source: APXvYqx+6H4wFOF17krW/I9xmVFN3KeVeN4skXjNQPbOkSDavEyC0oNINkk2bbEjkpcfnCbhNmwVWg== X-Received: by 2002:aa7:95b0:: with SMTP id a16mr8883719pfk.253.1581271592875; Sun, 09 Feb 2020 10:06:32 -0800 (PST) Received: from localhost.localdomain ([2405:201:d809:ffa6:508e:1313:1d5a:1ea5]) by smtp.gmail.com with ESMTPSA id d73sm9758518pfd.109.2020.02.09.10.06.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Feb 2020 10:06:32 -0800 (PST) From: Kamlesh Gurudasani To: Rob Herring , Sam Ravnborg , Noralf Tronnes Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, Kamlesh Gurudasani Subject: [PATCH v5 1/2] dt-bindings: add binding for tft displays based on ilitek, ili9486 Date: Sun, 9 Feb 2020 23:36:26 +0530 Message-Id: <8938c7a53598db793bbcddf205dcf35bcc19a18e.1581270802.git.kamlesh.gurudasani@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This binding is for the tft displays based on ilitek,ili9486. ozzmaker,piscreen and waveshare,rpi-lcd-35 are such displays Signed-off-by: Kamlesh Gurudasani --- v2 changes: * Changing file from txt to yaml format * removed ilitek,ili9486 from compatible string v3 changes: * no changes v4 changes: * no changes v5 changes: * made changes according to Sam Ravnborg's comment for making compatible part less complex --- .../bindings/display/ilitek,ili9486.yaml | 73 ++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9486.yaml diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml new file mode 100644 index 0000000..66e93e5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/ilitek,ili9486.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ilitek ILI9486 display panels device tree bindings + +maintainers: + - Kamlesh Gurudasani + +description: + This binding is for display panels using an Ilitek ILI9486 controller in SPI + mode. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + items: + - enum: + # Waveshare 3.5" 320x480 Color TFT LCD + - waveshare,rpi-lcd-35 + # Ozzmaker 3.5" 320x480 Color TFT LCD + - ozzmaker,piscreen + - const: ilitek,ili9486 + + spi-max-frequency: + maximum: 32000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; + }; + spi { + #address-cells = <1>; + #size-cells = <0>; + + + display@0{ + compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; + rotation = <180>; + backlight = <&backlight>; + }; + }; + +...