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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7E2FC433F5 for ; Wed, 13 Apr 2022 16:24:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231865AbiDMQ0s (ORCPT ); Wed, 13 Apr 2022 12:26:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236799AbiDMQ0r (ORCPT ); Wed, 13 Apr 2022 12:26:47 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 41FD82BE2 for ; Wed, 13 Apr 2022 09:24:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649867064; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yuVpQPzDh+Rwb2RTdR6emxMGJ2dG4YXzHB3chPiyWZo=; b=gKsZOsOtHYgz2tCzzhexs9y72dEb08/SQVn9tvqHc7cH0zS6P+vXOPr1Qy7YsHcQ1HgklY yga+/2HOS9cAyN2t1uw1dPC2kTdcK8//WNFWgJjX84yT1oBDLXJGvBQYgueCrifduO+bd2 FneX6JPHKdOqFEpYLb+6AhxsYVeihRY= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-643-WiZmY3HQNmqRKaef4nhINw-1; Wed, 13 Apr 2022 12:24:23 -0400 X-MC-Unique: WiZmY3HQNmqRKaef4nhINw-1 Received: by mail-wm1-f69.google.com with SMTP id g13-20020a1c4e0d000000b0038eba16aa46so970055wmh.7 for ; Wed, 13 Apr 2022 09:24:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yuVpQPzDh+Rwb2RTdR6emxMGJ2dG4YXzHB3chPiyWZo=; b=Av6wzRaz7dwYfC0gpYVV5Yt+LpFXW/q8eyxYb2glvQ4vliInztHMKM953qt+EJlf1i Kjhk5pu/R+a+PmOdkFmuoW3Sdxex5oXG688zPla7rHEcqzSojt009N0LfXvJHb3WGBb1 sKzTn4zX+lWoNFxMJG79YKVVDdd8zHMVBesS6yNDZ1AkyR+sTIQ0luyPO19T4HRszZUP eOZ5oH85UxZfbvesLJGIeN85ooTmqMXKIG5Ghr17hga8X/8F7lEuA4Z53D12olONd+IB S2pMtuCcDLMGzehzVTFbUiP9O/0i2lOuvjqNXmIct+iOdBhNflK6kxWYCPHpVJk57B6k Q+zg== X-Gm-Message-State: AOAM531bKpHLjSt30utpue6ZOrjVpLCMThLJxDCIu3THqnNWDQceO4wx 1i70qmpp4l35CfVve1f62AgLGodtQfz5Tc6LOqd/V6RUER1EMxN8HM9Gu0yVBrdjvclOwGHQUDO 0GQyySbcu9J1stGesFOfjUg== X-Received: by 2002:a05:600c:1d29:b0:38e:c4d1:a41b with SMTP id l41-20020a05600c1d2900b0038ec4d1a41bmr9497920wms.70.1649867061695; Wed, 13 Apr 2022 09:24:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyKmw84FX/JGt75DbPlGr5AZDD0foCMNRbtDmvyN2j0buGx4eZZgYEVHwxZOulmN72MmRJVDA== X-Received: by 2002:a05:600c:1d29:b0:38e:c4d1:a41b with SMTP id l41-20020a05600c1d2900b0038ec4d1a41bmr9497897wms.70.1649867061461; Wed, 13 Apr 2022 09:24:21 -0700 (PDT) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id t9-20020adfa2c9000000b002061561d4a7sm25446096wra.96.2022.04.13.09.24.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Apr 2022 09:24:21 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Mark Brown , Neil Armstrong , Chen-Yu Tsai , Rob Herring , Andy Shevchenko , Geert Uytterhoeven , dri-devel@lists.freedesktop.org, Javier Martinez Canillas , Geert Uytterhoeven , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Maxime Ripard , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 2/5] dt-bindings: display: ssd1307fb: Extend schema for SPI controllers Date: Wed, 13 Apr 2022 18:23:55 +0200 Message-Id: <20220413162359.325021-3-javierm@redhat.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220413162359.325021-1-javierm@redhat.com> References: <20220413162359.325021-1-javierm@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Solomon SSD130x OLED displays can either have an I2C or SPI interface, add to the schema the properties and examples for OLED devices under SPI. Signed-off-by: Javier Martinez Canillas Acked-by: Mark Brown Reviewed-by: Geert Uytterhoeven --- Changes in v4: - Add a description for the dc-gpios property for SPI (Geert Uytterhoeven) Changes in v3: - Add a comment to the properties required for SPI (Geert Uytterhoeven) Changes in v2: - Don't add compatible strings with an "-spi" suffix (Geert Uytterhoeven) .../bindings/display/solomon,ssd1307fb.yaml | 42 ++++++++++++++++++- 1 file changed, 40 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml index 7653b6c3fcb6..3fbd87c2c120 100644 --- a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml +++ b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml @@ -38,9 +38,20 @@ properties: reset-gpios: maxItems: 1 + # Only required for SPI + dc-gpios: + description: + GPIO connected to the controller's D/C# (Data/Command) pin, + that is needed for 4-wire SPI to tell the controller if the + data sent is for a command register or the display data RAM + maxItems: 1 + vbat-supply: description: The supply for VBAT + # Only required for SPI + spi-max-frequency: true + solomon,height: $ref: /schemas/types.yaml#/definitions/uint32 default: 16 @@ -220,14 +231,14 @@ examples: #address-cells = <1>; #size-cells = <0>; - ssd1307: oled@3c { + ssd1307_i2c: oled@3c { compatible = "solomon,ssd1307"; reg = <0x3c>; pwms = <&pwm 4 3000>; reset-gpios = <&gpio2 7>; }; - ssd1306: oled@3d { + ssd1306_i2c: oled@3d { compatible = "solomon,ssd1306"; reg = <0x3c>; pwms = <&pwm 4 3000>; @@ -238,3 +249,30 @@ examples: solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>; }; }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ssd1307_spi: oled@0 { + compatible = "solomon,ssd1307"; + reg = <0x0>; + pwms = <&pwm 4 3000>; + reset-gpios = <&gpio2 7>; + dc-gpios = <&gpio2 8>; + spi-max-frequency = <10000000>; + }; + + ssd1306_spi: oled@1 { + compatible = "solomon,ssd1306"; + reg = <0x1>; + pwms = <&pwm 4 3000>; + reset-gpios = <&gpio2 7>; + dc-gpios = <&gpio2 8>; + spi-max-frequency = <10000000>; + solomon,com-lrremap; + solomon,com-invdir; + solomon,com-offset = <32>; + solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>; + }; + }; -- 2.35.1