From patchwork Mon May 1 18:51:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Weber X-Patchwork-Id: 678213 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 0E07FC7EE25 for ; Mon, 1 May 2023 18:51:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232456AbjEASvQ (ORCPT ); Mon, 1 May 2023 14:51:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232181AbjEASvP (ORCPT ); Mon, 1 May 2023 14:51:15 -0400 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2EFDC6; Mon, 1 May 2023 11:51:13 -0700 (PDT) Received: by mail-ed1-x533.google.com with SMTP id 4fb4d7f45d1cf-50bc25f0c7dso3543732a12.3; Mon, 01 May 2023 11:51:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682967072; x=1685559072; 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=SYiX1kIaDSc0tISjTp3CF+Qs2kF5135CE7l+f2phEaA=; b=aZlEm1MUUd0y46ppigHOw/ChK7rnbaoRpn+nynKdJWDXN75+qRS2iogzUdK6WEsH1s A9MY66RcO3hZxrfBwFiCz0Tf/AhrvCUHT6aAVYw+KYFd+3pCjAYX8evPI07fUX0IiGPg Dgkr25/qIfZumVG5oopGBVfLiPn9G8OyqWYbtgt2WC7BDoRLDmci2SZlrCkWfRVLf0R4 yfi6pO1RQWxgEbBXz/bRreSwRTXMrqP1a425/Mi+wH4LWonfa62NwU+onPosdVBWbwV8 wafMJB7gxfcscYxywKGlRLn4tsg4v3Y663EEqGcdzITIlXj4fSPjCQ/1+wlbmJYB0CpA PgVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682967072; x=1685559072; 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=SYiX1kIaDSc0tISjTp3CF+Qs2kF5135CE7l+f2phEaA=; b=TKl3loFs/k8H9Ek5sfYysCduLIj8Me7ylPQGkdeO7/09peITf1U/6ogpUdSN9edSHv dDf8o8w/Ebjz7is7yMdV2E/r4JqvExlVmai7MgthgVnVxzd+qhC4CXx/1j+el7vppi/+ aRd6GxDaKUwUeAvl3GFpbMjuDB3qEmSFQoxr+H5ADFCXyWTCvOByXelKoQmAcGnnVP52 7dbzsSlI4bVsvvOmI+KdYVxClExpUZ/atvmDPTSEzMDKpBG0tmoFKcO3lLcNC5VF+7Zz 5LlJmdewHNtUrGMmMIoNGumxqQMmPfXOP0lteA1DHaEHlOPOoJXkkPD0TdGdhYgg1Xdg ySdg== X-Gm-Message-State: AC+VfDzVfWX7NCwbt+yFYDCIObXP2/ImcQ43gpXxAOWpRPEacRgfTj4K QegglfiDq5bo9L7yx8jSwBY= X-Google-Smtp-Source: ACHHUZ7JKuFFRMBI7s0DooN1jTc7B1Nlu4lwgQB5ev6TA6Q7ajR1hJkv1WtGCogARxhFZKxjtCWoAg== X-Received: by 2002:a50:ef0e:0:b0:4fe:97a2:4b86 with SMTP id m14-20020a50ef0e000000b004fe97a24b86mr6841785eds.8.1682967072203; Mon, 01 May 2023 11:51:12 -0700 (PDT) Received: from localhost.my.domain (83.8.115.30.ipv4.supernova.orange.pl. [83.8.115.30]) by smtp.gmail.com with ESMTPSA id g10-20020a170906594a00b008cecb8f374asm15028335ejr.0.2023.05.01.11.51.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 11:51:11 -0700 (PDT) From: Artur Weber To: Thierry Reding Cc: Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Artur Weber Subject: [PATCH v4 1/3] dt-bindings: display: panel: Add Samsung S6D7AA0 LCD panel controller Date: Mon, 1 May 2023 20:51:01 +0200 Message-Id: <20230501185103.25939-2-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230501185103.25939-1-aweber.kernel@gmail.com> References: <20230501185103.25939-1-aweber.kernel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add bindings for the S6D7AA0 LCD panel controller, including the S6D7AA0-LSL080AL02 panel used in the Samsung Galaxy Tab 3 8.0 family of tablets, and the S6D7AA0-LSL080AL03 and S6D7AA0-LTL101AT01 panels used in the Samsung Galaxy Tab A 8.0 and 9.7 2015. Signed-off-by: Artur Weber --- Changed in v2: - Updated commit message - Applied suggestions from Krzysztof Kozlowski Changed in v3: - Correctly applied suggestions Changed in v4: - Added LSL080AL03, LTL101AT01 compatibles - Added description to reset-gpios - Added vmipi-supply, renamed enable-supply to power-supply --- .../display/panel/samsung,s6d7aa0.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml new file mode 100644 index 000000000000..918f62a78ecd --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S6D7AA0 MIPI-DSI LCD panel controller + +maintainers: + - Artur Weber + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + enum: + # 1280x800 LSL080AL02 panel + - samsung,s6d7aa0-lsl080al02 + # 1024x768 LSL080AL03 panel + - samsung,s6d7aa0-lsl080al03 + # 1024x768 LTL101AT01 panel + - samsung,s6d7aa0-ltl101at01 + + reg: true + + backlight: + description: | + Backlight to use for the panel. If this property is set on panels + that have DSI-based backlight control (LSL080AL03 and LTL101AT01), + it overrides the DSI-based backlight. + + reset-gpios: + description: Reset GPIO pin, usually GPIO_ACTIVE_LOW. + + power-supply: + description: | + Main power supply for the panel; the exact voltage differs between + panels, and is usually somewhere around 3.3-5v. + + vmipi-supply: + description: VMIPI supply, usually 1.8v. + +required: + - compatible + - reg + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "samsung,s6d7aa0-lsl080al02"; + reg = <0>; + power-supply = <&display_3v3_supply>; + reset-gpios = <&gpf0 4 GPIO_ACTIVE_LOW>; + backlight = <&backlight>; + }; + }; + +... From patchwork Mon May 1 18:51:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Weber X-Patchwork-Id: 678212 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 D9165C77B7C for ; Mon, 1 May 2023 18:51:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232653AbjEASvW (ORCPT ); Mon, 1 May 2023 14:51:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232557AbjEASvS (ORCPT ); Mon, 1 May 2023 14:51:18 -0400 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6993CB6; Mon, 1 May 2023 11:51:15 -0700 (PDT) Received: by mail-ej1-x631.google.com with SMTP id a640c23a62f3a-95f4c5cb755so570813966b.0; Mon, 01 May 2023 11:51:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682967074; x=1685559074; 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=MLmRnoWF7GSL9uIEnEwgKiCLmKJ3pfKNObWjnWGe/8A=; b=pIbdh/qoCWEaYkdF8wlqLF/Kf+r/SoeXVIA26yOmllQEH58I17Cc6TkpijzrWK7/vL wk72zvZtFwVhBXqodmlp5prpu57Np8usE/eii5m1rCKTtKhjMYR9okj1v8Fb4xmg8PWg DienOTHetSO/gZhnwtJfoqVq6tZEkuv+OqJcCVVjS0PvPBGY5q+KNn/WndVaK/9B7gqY fYQ5B7Lr+tbfYfFojcInSnUcvKGE4VDywtZIPjHevIpdbWTM9hQ3QNepJ20witLJT9aB yIY9ceyfI6/95aljLKYeJMAbDvDpsltBHh38pVQP+vVJt2s+lo54LB/bXVR3SRlWxoT8 C6cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682967074; x=1685559074; 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=MLmRnoWF7GSL9uIEnEwgKiCLmKJ3pfKNObWjnWGe/8A=; b=KP0Lfakw2wASjHIaV8hla3RbvLdp+eMltL/umzMGGqvXpu8OFF1GRH8WvTB4nPtN+J 5mY7OfbRB95/A46M4Vftja0qIDBHBi8Dn6gSGpUI0UtVBFP5JUdKSS1PLxSfj7UUZbY+ pWailupiRdknHepbxhkmbiyy5Y+p/P32pLqOYjr/EfuCRQdMVw9lkQzwdgFw7WTQI12f OZl0Nt0o1EBMMwgE16z90vjrBjP+Q00rP0FWz75rmryjGHMN7UZkLAgJGh7uERHw9GlB Cl5vngHdGqbcEai8pHy/FST5uunP8h/YJJGcJKrWtirqPFWWBKpMDzeRszD0DEfYDMy8 o4xA== X-Gm-Message-State: AC+VfDxHvqXMiWGGPUFtZuzHjqVrCD1I+/XM1lYedLUtsp/8vDRIe+FV 3OsCJv85gD3ahqnzzYGcL/4= X-Google-Smtp-Source: ACHHUZ7rU3+63xoCrAVtYmeN/ypFOEnC+Gi8uOlDqkOWjPmBLuUgrK23fy5cRnZ+rs7FQ1TKfz5lUg== X-Received: by 2002:a17:907:7207:b0:94f:2efa:a3eb with SMTP id dr7-20020a170907720700b0094f2efaa3ebmr13354509ejc.33.1682967073701; Mon, 01 May 2023 11:51:13 -0700 (PDT) Received: from localhost.my.domain (83.8.115.30.ipv4.supernova.orange.pl. [83.8.115.30]) by smtp.gmail.com with ESMTPSA id g10-20020a170906594a00b008cecb8f374asm15028335ejr.0.2023.05.01.11.51.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 11:51:13 -0700 (PDT) From: Artur Weber To: Thierry Reding Cc: Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Artur Weber , Nikita Travkin Subject: [PATCH v4 2/3] drm/panel: Add Samsung S6D7AA0 panel controller driver Date: Mon, 1 May 2023 20:51:02 +0200 Message-Id: <20230501185103.25939-3-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230501185103.25939-1-aweber.kernel@gmail.com> References: <20230501185103.25939-1-aweber.kernel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Initial driver for S6D7AA0-controlled panels. Currently, the following panels are supported: - S6D7AA0-LSL080AL02 (Samsung Galaxy Tab 3 8.0) - S6D7AA0-LSL080AL03 (Samsung Galaxy Tab A 8.0 2015) - S6D7AA0-LTL101AT01 (Samsung Galaxy Tab A 9.7 2015) It should be possible to extend this driver to work with other panels using this IC. Tested-by: Nikita Travkin #ltl101at01 Signed-off-by: Artur Weber --- Changed in v2: - Removed unused panel_name property from desc struct Changed in v4: - Added LSL080AL03 and LTL101AT01 panels - Added DSI-controlled backlight support for panels that support it - Renamed command defines: CMD_* -> MCS_* - Dropped s6d7aa0_bl_ctl_on (not universal across panels) - Dropped MIPI_DSI_MODE_LPM flag - Added vmipi-supply, renamed enable-supply to power-supply --- drivers/gpu/drm/panel/Kconfig | 7 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c | 585 ++++++++++++++++++ 3 files changed, 593 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 2b9d6db7860b..203c0ef0bbfd 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -553,6 +553,13 @@ config DRM_PANEL_SAMSUNG_S6D27A1 This panel can be found in Samsung Galaxy Ace 2 GT-I8160 mobile phone. +config DRM_PANEL_SAMSUNG_S6D7AA0 + tristate "Samsung S6D7AA0 MIPI-DSI video mode panel controller" + depends on OF + depends on BACKLIGHT_CLASS_DEVICE + select DRM_MIPI_DSI + select VIDEOMODE_HELPERS + config DRM_PANEL_SAMSUNG_S6E3HA2 tristate "Samsung S6E3HA2 DSI video mode panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index ff169781e82d..30cf553c8d1d 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_DB7430) += panel-samsung-db7430.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D16D0) += panel-samsung-s6d16d0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D27A1) += panel-samsung-s6d27a1.o +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D7AA0) += panel-samsung-s6d7aa0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03) += panel-samsung-s6e63j0x03.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0) += panel-samsung-s6e63m0.o diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c new file mode 100644 index 000000000000..f839ef14790f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c @@ -0,0 +1,585 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Samsung S6D7AA0 MIPI-DSI TFT LCD controller drm_panel driver. + * + * Copyright (C) 2022 Artur Weber + */ + +#include +#include +#include +#include +#include +#include +#include + +#include