From nobody Fri Dec 19 09:47:54 2025 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 483F5C4167B for ; Thu, 7 Dec 2023 14:22:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443207AbjLGOW1 (ORCPT ); Thu, 7 Dec 2023 09:22:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1443366AbjLGOWB (ORCPT ); Thu, 7 Dec 2023 09:22:01 -0500 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25506273B for ; Thu, 7 Dec 2023 06:17:55 -0800 (PST) Received: by mail-lj1-x22d.google.com with SMTP id 38308e7fff4ca-2ca0c36f5beso10309771fa.1 for ; Thu, 07 Dec 2023 06:17:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1701958659; x=1702563459; darn=vger.kernel.org; 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=9POmGM8FFxQ0phKiYUCTqq/2h5caBL36ATB9vcbhedE=; b=UB5D7iytgjdf9HTk28WRv6tWXdJfpZVg00OQaQEEFmbMmlocnEYoK27AePWdJL5FVC zUnS0Sg4Q1xS4C4VvWzu7Wtqlsi28ujnBPiPvQWpudRER8C2kTbEWv7zEpG9HZ+RIN/q owuvMQPR+BXzoyKEmVm4BWR6uXzREqqiresYI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701958659; x=1702563459; 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=9POmGM8FFxQ0phKiYUCTqq/2h5caBL36ATB9vcbhedE=; b=UD45zUc8Tl2W4Lj6J6P6NqbEDc8VpMt/TfZDLW4EIzXujCWG15scd+s5OzS5HVGgr+ iDb3UbAF6G0k0l73CHjBvgOn55p/FvUD01E97GrWLgwqVkxFy2Jjk9nGWlumLbP3jV7p URL/bfwZuf9cgGmcq+mKSzHogwUSPe+oMYeAmEZoI0jPjjwHGywk0K/zYW4nJfMG/1td Huw7ejnRIopRXKyGjAsPtBI1amYCkuyE+HKM6vhdmHTgVHsAAmWkHBGDbCxa8WVng2Dn wdL/yBQ4Ucu5zBWMd3jfx0BOSlK7W/3ppTs6T522hMgAlIWJqvwZPBm6+zLgjvzA0Pmx 3dLA== X-Gm-Message-State: AOJu0YyDvQCCUXM29cCRd8A/kIvcwO1rftNxj6WsvdKfZWRw1PkNB46+ FmCY/Ukj6bi+6K+IYJijCyBKF9o5iMRF/zGDEyTb8w== X-Google-Smtp-Source: AGHT+IF0rcetHY7XsVlKyJSutTPF8Sf6dQa4iwg2cLSaJcL2XX0czyaRGE7Hi6uTkpbsEI6hj8mR0Q== X-Received: by 2002:a2e:9194:0:b0:2c9:fc3b:da2b with SMTP id f20-20020a2e9194000000b002c9fc3bda2bmr1638701ljg.104.1701958658970; Thu, 07 Dec 2023 06:17:38 -0800 (PST) Received: from localhost.localdomain ([2001:b07:6474:ebbf:9bf:959c:3c66:46c2]) by smtp.gmail.com with ESMTPSA id f24-20020a170906c09800b00a1e814b7155sm885421ejz.62.2023.12.07.06.17.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 06:17:38 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , michael@amarulasolutions.com, Neil Armstrong , Dario Binacchi , Daniel Vetter , David Airlie , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Sam Ravnborg , Thomas Zimmermann , dri-devel@lists.freedesktop.org Subject: [PATCH v5 09/10] drm/panel: ilitek-ili9805: add support for Tianma TM041XDHG01 panel Date: Thu, 7 Dec 2023 15:16:38 +0100 Message-ID: <20231207141723.108004-10-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231207141723.108004-1-dario.binacchi@amarulasolutions.com> References: <20231207141723.108004-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Michael Trimarchi Tianma TM041XDHG01 utilizes the Ilitek ILI9805 controller. Add this panel's initialzation sequence and timing to ILI9805 driver. Signed-off-by: Michael Trimarchi Reviewed-by: Neil Armstrong Signed-off-by: Dario Binacchi --- (no changes since v4) Changes in v4: - Add Reviewed-by tag of Neil Armstrong drivers/gpu/drm/panel/panel-ilitek-ili9805.c | 53 ++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c b/drivers/gpu/drm= /panel/panel-ilitek-ili9805.c index e36984b46e14..5054d1a2b2f5 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9805.c @@ -87,6 +87,36 @@ static const struct ili9805_instr gpm1780a0_init[] =3D { ILI9805_INSTR(0, 0xB9, 0x02, 0x00), }; =20 +static const struct ili9805_instr tm041xdhg01_init[] =3D { + ILI9805_INSTR(100, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, ILI9805_SETEXTC_PAR= AMETER1, + ILI9805_SETEXTC_PARAMETER2, ILI9805_SETEXTC_PARAMETER3), + ILI9805_INSTR(100, 0xFD, 0x0F, 0x13, 0x44, 0x00), + ILI9805_INSTR(0, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x01, + 0x01, 0x30, 0x01, 0x01, 0x30, 0x01, 0x01), + ILI9805_INSTR(0, 0xB8, 0x74), + ILI9805_INSTR(0, 0xF1, 0x00), + ILI9805_INSTR(0, 0xF2, 0x00, 0x58, 0x40), + ILI9805_INSTR(0, 0xFC, 0x04, 0x0F, 0x01), + ILI9805_INSTR(0, 0xEB, 0x08, 0x0F), + ILI9805_INSTR(0, 0xe0, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x= 04, + 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08), + ILI9805_INSTR(0, 0xe1, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x= 04, + 0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08), + ILI9805_INSTR(10, 0xc1, 0x15, 0x03, 0x03, 0x31), + ILI9805_INSTR(10, 0xB1, 0x00, 0x12, 0x14), + ILI9805_INSTR(10, 0xB4, 0x02), + ILI9805_INSTR(0, 0xBB, 0x14, 0x55), + ILI9805_INSTR(0, MIPI_DCS_SET_ADDRESS_MODE, 0x0a), + ILI9805_INSTR(0, MIPI_DCS_SET_PIXEL_FORMAT, 0x77), + ILI9805_INSTR(0, 0x20), + ILI9805_INSTR(0, 0xB0, 0x00), + ILI9805_INSTR(0, 0xB6, 0x01), + ILI9805_INSTR(0, 0xc2, 0x11), + ILI9805_INSTR(0, 0x51, 0xFF), + ILI9805_INSTR(0, 0x53, 0x24), + ILI9805_INSTR(0, 0x55, 0x00), +}; + static inline struct ili9805 *panel_to_ili9805(struct drm_panel *panel) { return container_of(panel, struct ili9805, panel); @@ -227,6 +257,20 @@ static const struct drm_display_mode gpm1780a0_timing = =3D { .vtotal =3D 480 + 2 + 4 + 10, }; =20 +static const struct drm_display_mode tm041xdhg01_timing =3D { + .clock =3D 26227, + + .hdisplay =3D 480, + .hsync_start =3D 480 + 10, + .hsync_end =3D 480 + 10 + 2, + .htotal =3D 480 + 10 + 2 + 36, + + .vdisplay =3D 768, + .vsync_start =3D 768 + 2, + .vsync_end =3D 768 + 10 + 4, + .vtotal =3D 768 + 2 + 4 + 10, +}; + static int ili9805_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -331,8 +375,17 @@ static const struct ili9805_desc gpm1780a0_desc =3D { .height_mm =3D 65, }; =20 +static const struct ili9805_desc tm041xdhg01_desc =3D { + .init =3D tm041xdhg01_init, + .init_length =3D ARRAY_SIZE(tm041xdhg01_init), + .mode =3D &tm041xdhg01_timing, + .width_mm =3D 42, + .height_mm =3D 96, +}; + static const struct of_device_id ili9805_of_match[] =3D { { .compatible =3D "giantplus,gpm1790a0", .data =3D &gpm1780a0_desc }, + { .compatible =3D "tianma,tm041xdhg01", .data =3D &tm041xdhg01_desc }, { } }; MODULE_DEVICE_TABLE(of, ili9805_of_match); --=20 2.43.0