From patchwork Tue Dec 11 15:43:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10724303 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 333A115A6 for ; Tue, 11 Dec 2018 17:47:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 204042B597 for ; Tue, 11 Dec 2018 17:47:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 147E42B5A3; Tue, 11 Dec 2018 17:47:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C18422B597 for ; Tue, 11 Dec 2018 17:47:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 253AA6E317; Tue, 11 Dec 2018 17:47:32 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by gabe.freedesktop.org (Postfix) with ESMTPS id 76BE26E0CD for ; Tue, 11 Dec 2018 15:44:13 +0000 (UTC) Received: by mail-wm1-x344.google.com with SMTP id a62so2703854wmh.4 for ; Tue, 11 Dec 2018 07:44:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=s3D2raQMukEX70jUMwg9ACQ2h5hM2z+quJDGcBrzJ8g=; b=X6jwGHi1iBoJFLvmbsAJkHkHe+ma4gT+1H8yniGDNVC3G/uDT8EP7V6i3Sk95diMJn fgY6p7ks1RKCzghWtB+SaL7UGUBM5PuddBwfK4MM9gg352wSvIaPbWNi3hQm/qY72Ex4 aydykb4Pv0KRQ1yw6PgQqf+4wxE70WTAkhh1O7bhdVR+waYZtedIHbxX4g0MUnd4TMwB OYwbVeRcaX2UFiMUqOWMDvYWRovJkI8Bi5B8prLQNuNCIKI5rDMRYtdoN+qwzfQbl4XF Rm1Ed4Kroaut6tcnUOrxVEuzGduHzuP2LE4TJzBoqV8d0Xbn/vsWhWLWtrZNr12gxWDU gPHA== X-Gm-Message-State: AA+aEWaMU6k1E9SEZqqZYRCJhVCO2lWgFtQk7hBnglp1RhPVtykCWhqm sj0Yzh16EnZ6uEtQhmAkrvrlkQ== X-Google-Smtp-Source: AFSGD/WjWACLP9wS5srXpaS0qZ/2WaeabJ20I8a+HCcLVOObRojo82UC5NcbU1uNKYglWfecRtH3PQ== X-Received: by 2002:a1c:da92:: with SMTP id r140mr2920707wmg.136.1544543051990; Tue, 11 Dec 2018 07:44:11 -0800 (PST) Received: from localhost.localdomain (ip-160-131.sn-213-198.clouditalia.com. [213.198.160.131]) by smtp.gmail.com with ESMTPSA id t70sm396499wmd.36.2018.12.11.07.44.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Dec 2018 07:44:11 -0800 (PST) From: Jagan Teki To: Thierry Reding , David Airlie , Rob Herring , Mark Rutland Subject: [PATCH v5 1/2] dt-bindings: panel: Add Sitronix ST7701 panel documentation Date: Tue, 11 Dec 2018 21:13:57 +0530 Message-Id: <20181211154358.25293-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 11 Dec 2018 17:47:30 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi , Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Techstar TS8550B MIPI DSI panel is 480x854, 2-lane MIPI DSI LCD panel with inbuilt ST7701 chip. The default regulator names in ST7701 chip is renamed in Techstar TS8550B so, add specific binding names for them. Signed-off-by: Jagan Teki Reviewed-by: Rob Herring --- Changes for v5: - found the chip from vendor, so added new chip binding - here is v4: https://patchwork.kernel.org/patch/10680333/ .../display/panel/sitronix,st7701.txt | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt new file mode 100644 index 000000000000..ccd17597f1f6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt @@ -0,0 +1,30 @@ +Sitronix ST7701 based LCD panels + +ST7701 designed for small and medium sizes of TFT LCD display, is +capable of supporting up to 480RGBX864 in resolution. It provides +several system interfaces like MIPI/RGB/SPI. + +Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has +inbuilt ST7701 chip. + +Required properties: +- compatible: must be "sitronix,st7701" and one of + * "techstar,ts8550b" +- reset-gpios: a GPIO phandle for the reset pin + +Required properties for techstar,ts8550b: +- reg: DSI virtual channel used by that screen +- VCC-supply: analog regulator for MIPI circuit +- IOVCC-supply: I/O system regulator + +Optional properties: +- backlight: phandle for the backlight control. + +panel@0 { + compatible = "techstar,ts8550b", "sitronix,st7701"; + reg = <0>; + VCC-supply = <®_dldo2>; + IOVCC-supply = <®_dldo2>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; +}; From patchwork Tue Dec 11 15:43:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10724305 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0D16515A6 for ; Tue, 11 Dec 2018 17:47:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC1A22B597 for ; Tue, 11 Dec 2018 17:47:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E02842B5A3; Tue, 11 Dec 2018 17:47:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E1F2A2B597 for ; Tue, 11 Dec 2018 17:47:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 43A636E31C; Tue, 11 Dec 2018 17:47:32 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by gabe.freedesktop.org (Postfix) with ESMTPS id A997B6E0CD for ; Tue, 11 Dec 2018 15:44:15 +0000 (UTC) Received: by mail-wm1-x341.google.com with SMTP id a62so2703974wmh.4 for ; Tue, 11 Dec 2018 07:44:15 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mgQw3IQuM0+nAazwcPHR5ezMv8MsBuqdfBSz3eZHOKo=; b=Hn8juhIkTkT9d2H5uehmvXia8J7DHdpjDt54iinME4mD9ZyFyy/fUqNuknX9/RyRnt QgKcbVSlOKd0OGbV0WvsSv9FI+L9IuVNhgwBjkdgskoROHeNsVppYVEAGIG2McLYaY7h C7igMKUJZ6e10qE3u2m9HlZPwp50AlV8yuTwE+orquxJlibG1d3QEkXaJqLdGO29YOk+ 0ROOrHTRiOikru+Kp3tTGrmDWrn8Yi8e+9hT84PllvNZ9rPGEfe2NNIIo/1HkJv1Un8C yHkZr3kP+zfQSNDNJ8TEAl/gR20SgjBiNzS55frIL+VAYGCDGtOob28MgmeQjG981Tyq KEUw== X-Gm-Message-State: AA+aEWYxqhnv4NrvnNg4GuC53FKHkEXtzzmtrhVK58Ju1e7zVqvWuhmu ET15iIf7eVjuFrJhjQJc/uhSHA== X-Google-Smtp-Source: AFSGD/XcvtJrWcZzDi6WAXxb7cbsXSbZfJSIXvU+TDNM4pL3nzAdTTdZ2ZII5TeTWbGntx3M9wwbDg== X-Received: by 2002:a1c:1801:: with SMTP id 1mr3013747wmy.153.1544543053985; Tue, 11 Dec 2018 07:44:13 -0800 (PST) Received: from localhost.localdomain (ip-160-131.sn-213-198.clouditalia.com. [213.198.160.131]) by smtp.gmail.com with ESMTPSA id t70sm396499wmd.36.2018.12.11.07.44.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Dec 2018 07:44:13 -0800 (PST) From: Jagan Teki To: Thierry Reding , David Airlie , Rob Herring , Mark Rutland Subject: [PATCH v5 2/2] drm/panel: Add Sitronix ST7701 panel driver Date: Tue, 11 Dec 2018 21:13:58 +0530 Message-Id: <20181211154358.25293-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181211154358.25293-1-jagan@amarulasolutions.com> References: <20181211154358.25293-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 11 Dec 2018 17:47:30 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi , Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP ST7701 designed for small and medium sizes of TFT LCD display, is capable of supporting up to 480RGBX864 in resolution. It provides several system interfaces like MIPI/RGB/SPI. Currently added support for Techstar TS8550B which is ST7701 based 480x854, 2-lane MIPI DSI LCD panel. Driver now registering mipi_dsi device, but indeed it can extendable for RGB if any requirement trigger in future. Signed-off-by: Jagan Teki --- Changes for v5: - found the chip from vendor, so added new panel driver - here is v4: https://patchwork.kernel.org/patch/10680335/ MAINTAINERS | 6 + drivers/gpu/drm/panel/Kconfig | 10 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-sitronix-st7701.c | 431 ++++++++++++++++++ 4 files changed, 448 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-sitronix-st7701.c diff --git a/MAINTAINERS b/MAINTAINERS index 3f6db876be1f..d2928a4d2847 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4831,6 +4831,12 @@ S: Orphan / Obsolete F: drivers/gpu/drm/sis/ F: include/uapi/drm/sis_drm.h +DRM DRIVER FOR SITRONIX ST7701 PANELS +M: Jagan Teki +S: Maintained +F: drivers/gpu/drm/panel/panel-sitronix-st7701.c +F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt + DRM DRIVER FOR SITRONIX ST7586 PANELS M: David Lechner S: Maintained diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 3f3537719beb..d93b2ba709bc 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -196,6 +196,16 @@ config DRM_PANEL_SHARP_LS043T1LE01 Say Y here if you want to enable support for Sharp LS043T1LE01 qHD (540x960) DSI panel as found on the Qualcomm APQ8074 Dragonboard +config DRM_PANEL_SITRONIX_ST7701 + tristate "Sitronix ST7701 panel driver" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the Sitronix + ST7701 controller for 480X864 LCD panels with MIPI/RGB/SPI + system interfaces. + config DRM_PANEL_SITRONIX_ST7789V tristate "Sitronix ST7789V panel" depends on OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 4396658a7996..6a9b4cec1891 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -20,5 +20,6 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o +obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7701) += panel-sitronix-st7701.o obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c new file mode 100644 index 000000000000..86deb82a52ed --- /dev/null +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -0,0 +1,431 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019, Amarula Solutions. + * Author: Jagan Teki + */ + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +#include