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 225E6EC8743 for ; Thu, 7 Sep 2023 17:23:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240143AbjIGRXF (ORCPT ); Thu, 7 Sep 2023 13:23:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243105AbjIGRXE (ORCPT ); Thu, 7 Sep 2023 13:23:04 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06DA91A8 for ; Thu, 7 Sep 2023 10:22:37 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-50091b91a83so1990410e87.3 for ; Thu, 07 Sep 2023 10:22:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1694107285; x=1694712085; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=wTsVaP+71NqmdPRHOGwX5IHf8E9ep68PnA55/HuDkMQ=; b=zlffCEyw45RzC32PE74Df5gii72NJ812fGNes0m6g546K2znR8+evWlntXChuo8n1c qA+E+PypBrriy1L8IjP2VBe9YTxl3AA/8fIR54GnEjCmhFSAFkh/CVYsPQJ7yZx5haJV ZIirYhdupGW91PzdKW8YoQ1PSboojCNx5RACxU250uF0zipfiJT8o2MAyoyJQqTfDK2Z WYJoIFpou9F9inSebrfxT5qH7mWfIXTyTjbKrZUsB5iYKG+mUbT7ZjvyCHfeHslRJGQU 6OSCIGT6jAIQpT3E+7c9Ah3ijBb/QoyeCFmxTBjZr1+3A8wRg4jvzA7q49P03tCBl/I4 AaGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1694107285; x=1694712085; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wTsVaP+71NqmdPRHOGwX5IHf8E9ep68PnA55/HuDkMQ=; b=UHw1pbuSIKkT9Z4T4Vsl4gI2QI/p9DDQOH0R+AHjk8HlyeBMjhviujQtQtUBCaSOQb lJbqgqM14NEX8z+AwOHN7rw4aFI5wlR/dIHhYD6KmMWGKbbDTrAvH/lAaZoepSbup62X cR/Is5CHiVFld+FD6bm34pw23Bc5G/B23Kj4CMec9xm07CyE3CbWvohZD0bGFfzWi86i 56jp+BceROr6rgZFpmaB1O0UxkaP0WdH1vrHWKCDaOaNfAm81KzXuDoV8YY39irZ9qdg jWvWd+eEsKSQR3DsmzHmSgc/a9+/fSRJA7PS/F5W4E5Hcf9fuFrCMusyyIUgcTOo9UDS IjMg== X-Gm-Message-State: AOJu0YzOKvarIInon8gob40Jdhzebobpb/xENb/Uw2Q0md8//abgb1Y9 ft/JGMhYj2dl0UZZnRJIpOv1LASxgqcpL5FLsVZCrg== X-Google-Smtp-Source: AGHT+IFif2c/BpnquDlibCJoxZKaSjA9cO8862DBRQf4TERPnA+7sSqJ0EMKb0emx0l0ms0HIc+meg== X-Received: by 2002:a17:906:535d:b0:9a2:120a:5777 with SMTP id j29-20020a170906535d00b009a2120a5777mr3753951ejo.70.1694067014365; Wed, 06 Sep 2023 23:10:14 -0700 (PDT) Received: from [192.168.0.22] (77-252-46-238.static.ip.netia.com.pl. [77.252.46.238]) by smtp.gmail.com with ESMTPSA id rp24-20020a170906d97800b009a5c98fd82asm9841726ejb.81.2023.09.06.23.10.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Sep 2023 23:10:13 -0700 (PDT) Message-ID: <45cd927d-da55-3460-0a26-62b30c33a3ad@linaro.org> Date: Thu, 7 Sep 2023 08:10:12 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH 2/2] drm: tiny: Add st7735s driver Content-Language: en-US To: Stefan x Nilsson , David Lechner , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@axis.com References: <20230906-st7735s-v1-0-add92677c190@axis.com> <20230906-st7735s-v1-2-add92677c190@axis.com> From: Krzysztof Kozlowski In-Reply-To: <20230906-st7735s-v1-2-add92677c190@axis.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 06/09/2023 18:22, Stefan x Nilsson wrote: > Add a driver for Sitronix st7735s display controller, as well as a > Winstar wf0096atyaa3dnn0 0.96" 80x160 TFT panel. > > The driver code is very similar to st7735r, but with adaptations for > the pipe_enable function. There is also optional support to specify > a power regulator for the display. > > Signed-off-by: Stefan x Nilsson > --- > MAINTAINERS | 1 + > drivers/gpu/drm/tiny/Kconfig | 14 +++ > drivers/gpu/drm/tiny/Makefile | 1 + > drivers/gpu/drm/tiny/st7735s.c | 264 +++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 280 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index c00b2b9086f2..f24295d691e5 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -6733,6 +6733,7 @@ M: Stefan x Nilsson > S: Maintained > T: git git://anongit.freedesktop.org/drm/drm-misc > F: Documentation/devicetree/bindings/display/sitronix,st7735s.yaml > +F: drivers/gpu/drm/tiny/st7735s.c > > DRM DRIVER FOR SOLOMON SSD130X OLED DISPLAYS > M: Javier Martinez Canillas > diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig > index f6889f649bc1..2917f5412ddd 100644 > --- a/drivers/gpu/drm/tiny/Kconfig > +++ b/drivers/gpu/drm/tiny/Kconfig > @@ -212,3 +212,17 @@ config TINYDRM_ST7735R > * Okaya RH128128T 1.44" 128x128 TFT > > If M is selected the module will be called st7735r. > + > +config TINYDRM_ST7735S > + tristate "DRM support for Sitronix ST7735S display panels" > + depends on DRM && SPI > + select DRM_KMS_HELPER > + select DRM_GEM_DMA_HELPER > + select DRM_MIPI_DBI > + select BACKLIGHT_CLASS_DEVICE > + help > + DRM driver for Sitronix ST7735S with one of the following > + LCDs: > + * Winstar WF0096ATYAA3DNN0 0.96" 80x160 Color TFT > + > + If M is selected the module will be called st7735s. > diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile > index 76dde89a044b..2e805c5b6f16 100644 > --- a/drivers/gpu/drm/tiny/Makefile > +++ b/drivers/gpu/drm/tiny/Makefile > @@ -16,3 +16,4 @@ obj-$(CONFIG_TINYDRM_MI0283QT) += mi0283qt.o > obj-$(CONFIG_TINYDRM_REPAPER) += repaper.o > obj-$(CONFIG_TINYDRM_ST7586) += st7586.o > obj-$(CONFIG_TINYDRM_ST7735R) += st7735r.o > +obj-$(CONFIG_TINYDRM_ST7735S) += st7735s.o > diff --git a/drivers/gpu/drm/tiny/st7735s.c b/drivers/gpu/drm/tiny/st7735s.c > new file mode 100644 > index 000000000000..42290f4128db > --- /dev/null > +++ b/drivers/gpu/drm/tiny/st7735s.c > @@ -0,0 +1,264 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * DRM driver for display panels connected to a Sitronix ST7735S > + * display controller in SPI mode. > + * > + * Copyright (C) 2023 Axis Communications AB > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include