From patchwork Wed Jan 31 06:57:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Svyatoslav Ryhel X-Patchwork-Id: 1893244 X-Patchwork-Delegate: agust@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=EvmZmOjJ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TPtCY6KSMz23fD for ; Wed, 31 Jan 2024 17:58:01 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 2199B87BCB; Wed, 31 Jan 2024 07:57:47 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="EvmZmOjJ"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 5CFA7879B0; Wed, 31 Jan 2024 07:57:46 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 41B70879B5 for ; Wed, 31 Jan 2024 07:57:43 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=clamor95@gmail.com Received: by mail-lf1-x12f.google.com with SMTP id 2adb3069b0e04-510faac8c57so563258e87.1 for ; Tue, 30 Jan 2024 22:57:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1706684262; x=1707289062; darn=lists.denx.de; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HseZ4Amk00nzL0KGQLkpyxdV5KqbgCLiVbXogMuYcV8=; b=EvmZmOjJbnl9bsG1FfGMtmyyMNT0DiMG7nVu4e4OxW9Fsv4o0db2ug6IVnZEJLutOE jinnOYdni2XlNYr+sV618HNPwlTfaaN6NT2yfeWrarQ8zUw4AcWXUZxDI5okfgkGe+pV seTeyiNU2urWL9SqDZU1DM2hVO9OEBIiMZ58VyOVkLLiIujNlvxqa6rsGW/t8CO9b9Ca P8z9wJ+IE268Xd3ejnG+UbRgCrvrMQapC/5ffIhlyI4wvlLrPpRK+XPd9DW00qmHQuHv nTIe4dnsdt1vWgHWH3LwolieAbuGILaZVQ1N2ciZe6G3JEOkeSN9xw3gRtIPNfON9X2a 8u5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706684262; x=1707289062; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HseZ4Amk00nzL0KGQLkpyxdV5KqbgCLiVbXogMuYcV8=; b=CUzV08ObAKon7Ai5/9mo0ulQ2SWb5FcB5eh9wbQ/49+uO5n6CB9TRxQ/yLyRhDSj6M pz8mCIZmvkEzxT094SOj8epooFNuFrrGBm6w5eXnT7Ecam6oYgs0fb3loHGe9Pgr8kzf WvUYxH7MN+l07OMwCIr+NWfJ3sFTPZ0f+mLHZMvNOQRz+1qCY7XATcw4XI0vBEfgwVkN lbt8xmj9ZakQAnW0PrTeD5rXFjcIKR4j1e1xm1NnCIsoL3QnwBavSzYeabEDSpkBn5gF KKsXWWy8at8ZQ56rfjAvUh2iAfFCmH7tOFIB8OGoMGkzlpf0ydke5DaGpm+DWM2Vjn5j nT/g== X-Gm-Message-State: AOJu0Yy9Kyiu1AkSumw7cnLM+DdKUvY+afnB5FI0G6/rYSCubNozYO6Y S+g/KWCOOZXgybt3dGAIbtuMwIBtgZ5zira13pm2qyj0Axs5HuKg X-Google-Smtp-Source: AGHT+IEIrY0t15fGOVibHuQ3Eic3LR6t0YkFbEJpYh7G4WmqrI/j9wt7WmsiYaerowG4ldNNEFgh1g== X-Received: by 2002:a05:6512:1154:b0:510:9a2:1b6a with SMTP id m20-20020a056512115400b0051009a21b6amr242019lfg.29.1706684262364; Tue, 30 Jan 2024 22:57:42 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCULrm0RIstikoDiNrDSJAwgCwJw7ZaYw0wxUHsXP+hYyjqUTubYQChmFI8tXWV+Jp8R2FA2wsOnk0rFIfIQSzBFAr8Yu4+qCA0gMaS12Ldsff5G+wGcBZnV+y68pe7PgRqQmd4Tqlqxwvh4l93FTFpHWRtB95uyf9chHWM+KKO3ybOY3KRxhuiwgSgBSPw2K0Y/jCb1LQ== Received: from xeon.. ([188.163.112.73]) by smtp.gmail.com with ESMTPSA id s11-20020a19770b000000b0051023c2e95asm1760796lfc.209.2024.01.30.22.57.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jan 2024 22:57:42 -0800 (PST) From: Svyatoslav Ryhel To: Tom Rini , Anatolij Gustschin , Simon Glass , Svyatoslav Ryhel , Anton Bambura , =?utf-8?q?Jonas_Schw=C3=B6bel?= Cc: u-boot@lists.denx.de Subject: [PATCH v2 1/7] video: panel: add LG LG070WX3 MIPI DSI panel driver Date: Wed, 31 Jan 2024 08:57:15 +0200 Message-Id: <20240131065721.4245-2-clamor95@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240131065721.4245-1-clamor95@gmail.com> References: <20240131065721.4245-1-clamor95@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean The LD070WX3 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally Black mode. This TFT-LCD has 7.0 inches diagonally measured active display area with WXGA resolution (800 by 1280 pixel array). Signed-off-by: Svyatoslav Ryhel --- drivers/video/Kconfig | 8 ++ drivers/video/Makefile | 1 + drivers/video/lg-ld070wx3.c | 186 ++++++++++++++++++++++++++++++++++++ 3 files changed, 195 insertions(+) create mode 100644 drivers/video/lg-ld070wx3.c diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index e2016d73d1..05567a0095 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -522,6 +522,14 @@ config VIDEO_LCD_ORISETECH_OTM8009A Say Y here if you want to enable support for Orise Technology otm8009a 480x800 dsi 2dl panel. +config VIDEO_LCD_LG_LD070WX3 + bool "LD070WX3 DSI LCD panel support" + depends on PANEL && BACKLIGHT + select VIDEO_MIPI_DSI + help + Say Y here if you want to enable support for LG LD070WX3 + 800x1280 DSI video mode panel. + config VIDEO_LCD_RAYDIUM_RM68200 bool "RM68200 DSI LCD panel support" select VIDEO_MIPI_DSI diff --git a/drivers/video/Makefile b/drivers/video/Makefile index fdc2937632..bb6d9b74b9 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -58,6 +58,7 @@ obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o obj-$(CONFIG_VIDEO_LCD_ENDEAVORU) += endeavoru-panel.o obj-$(CONFIG_VIDEO_LCD_HIMAX_HX8394) += himax-hx8394.o obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o +obj-$(CONFIG_VIDEO_LCD_LG_LD070WX3) += lg-ld070wx3.o obj-$(CONFIG_VIDEO_LCD_ORISETECH_OTM8009A) += orisetech_otm8009a.o obj-$(CONFIG_VIDEO_LCD_RAYDIUM_RM68200) += raydium-rm68200.o obj-$(CONFIG_VIDEO_LCD_RENESAS_R61307) += renesas-r61307.o diff --git a/drivers/video/lg-ld070wx3.c b/drivers/video/lg-ld070wx3.c new file mode 100644 index 0000000000..610a06ffe7 --- /dev/null +++ b/drivers/video/lg-ld070wx3.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * LG LD070WX3-SL01 DSI panel driver + * + * Copyright (c) 2023 Svyatoslav Ryhel + */ + +#include +#include +#include +#include +#include +#include +#include + +struct lg_ld070wx3_priv { + struct udevice *vdd; + struct udevice *vcc; + + struct udevice *backlight; +}; + +static struct display_timing default_timing = { + .pixelclock.typ = 70000000, + .hactive.typ = 800, + .hfront_porch.typ = 32, + .hback_porch.typ = 48, + .hsync_len.typ = 8, + .vactive.typ = 1280, + .vfront_porch.typ = 5, + .vback_porch.typ = 3, + .vsync_len.typ = 1, +}; + +static void dcs_write_one(struct mipi_dsi_device *dsi, u8 cmd, u8 data) +{ + mipi_dsi_dcs_write(dsi, cmd, &data, 1); +} + +static int lg_ld070wx3_enable_backlight(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + struct mipi_dsi_device *dsi = plat->device; + int ret; + + ret = mipi_dsi_dcs_soft_reset(dsi); + if (ret < 0) { + log_debug("%s: failed to soft reset panel: %d\n", + __func__, ret); + return ret; + } + + /* Delay before sending new command after soft reset */ + mdelay(20); + + /* Differential input impedance selection */ + dcs_write_one(dsi, 0xAE, 0x0B); + + /* Enter test mode 1 and 2*/ + dcs_write_one(dsi, 0xEE, 0xEA); + dcs_write_one(dsi, 0xEF, 0x5F); + + /* Increased MIPI CLK driving ability */ + dcs_write_one(dsi, 0xF2, 0x68); + + /* Exit test mode 1 and 2 */ + dcs_write_one(dsi, 0xEE, 0x00); + dcs_write_one(dsi, 0xEF, 0x00); + + return 0; +} + +static int lg_ld070wx3_set_backlight(struct udevice *dev, int percent) +{ + struct lg_ld070wx3_priv *priv = dev_get_priv(dev); + int ret; + + ret = backlight_enable(priv->backlight); + if (ret) + return ret; + + return backlight_set_brightness(priv->backlight, percent); +} + +static int lg_ld070wx3_timings(struct udevice *dev, + struct display_timing *timing) +{ + memcpy(timing, &default_timing, sizeof(*timing)); + return 0; +} + +static int lg_ld070wx3_of_to_plat(struct udevice *dev) +{ + struct lg_ld070wx3_priv *priv = dev_get_priv(dev); + int ret; + + ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, + "backlight", &priv->backlight); + if (ret) { + log_debug("%s: cannot get backlight: ret = %d\n", + __func__, ret); + return ret; + } + + ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev, + "vdd-supply", &priv->vdd); + if (ret) { + log_debug("%s: cannot get vdd-supply: ret = %d\n", + __func__, ret); + return ret; + } + + ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev, + "vcc-supply", &priv->vcc); + if (ret) { + log_debug("%s: cannot get vcc-supply: ret = %d\n", + __func__, ret); + return ret; + } + + return 0; +} + +static int lg_ld070wx3_hw_init(struct udevice *dev) +{ + struct lg_ld070wx3_priv *priv = dev_get_priv(dev); + int ret; + + ret = regulator_set_enable_if_allowed(priv->vcc, 1); + if (ret) { + log_debug("%s: enabling vcc-supply failed (%d)\n", + __func__, ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(priv->vdd, 1); + if (ret) { + log_debug("%s: enabling vdd-supply failed (%d)\n", + __func__, ret); + return ret; + } + + /* + * According to spec delay between enabling supply is 0, + * for regulators to reach required voltage ~5ms needed. + * MIPI interface signal for setup requires additional + * 110ms which in total results in 115ms. + */ + mdelay(115); + + return 0; +} + +static int lg_ld070wx3_probe(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + + /* fill characteristics of DSI data link */ + plat->lanes = 4; + plat->format = MIPI_DSI_FMT_RGB888; + plat->mode_flags = MIPI_DSI_MODE_VIDEO; + + return lg_ld070wx3_hw_init(dev); +} + +static const struct panel_ops lg_ld070wx3_ops = { + .enable_backlight = lg_ld070wx3_enable_backlight, + .set_backlight = lg_ld070wx3_set_backlight, + .get_display_timing = lg_ld070wx3_timings, +}; + +static const struct udevice_id lg_ld070wx3_ids[] = { + { .compatible = "lg,ld070wx3-sl01" }, + { } +}; + +U_BOOT_DRIVER(lg_ld070wx3) = { + .name = "lg_ld070wx3", + .id = UCLASS_PANEL, + .of_match = lg_ld070wx3_ids, + .ops = &lg_ld070wx3_ops, + .of_to_plat = lg_ld070wx3_of_to_plat, + .probe = lg_ld070wx3_probe, + .plat_auto = sizeof(struct mipi_dsi_panel_plat), + .priv_auto = sizeof(struct lg_ld070wx3_priv), +};