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They manufacture displays which are used in some Xiaomi phones, but I could not find much details about the company. Signed-off-by: Joel Selvaraj Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 80e80fa53f8a..effd1cb995cf 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -337,6 +337,8 @@ patternProperties: description: Embedded Artists AB "^ebang,.*": description: Zhejiang Ebang Communication Co., Ltd + "^ebbg,.*": + description: EBBG "^ebs-systart,.*": description: EBS-SYSTART GmbH "^ebv,.*": From patchwork Fri May 6 12:17:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Selvaraj X-Patchwork-Id: 12841037 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 68EDAC433F5 for ; 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The backlight is managed through the QCOM WLED driver. Signed-off-by: Joel Selvaraj --- .../bindings/display/panel/ebbg,ft8719.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml diff --git a/Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml b/Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml new file mode 100644 index 000000000000..fac6c9692c55 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/ebbg,ft8719.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EBBG FT8719 MIPI-DSI LCD panel + +maintainers: + - Joel Selvaraj + +description: | + The FT8719 panel from EBBG is a FHD+ LCD display panel with a resolution + of 1080x2246. It is a video mode DSI panel. The backlight is managed + through the QCOM WLED driver. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: ebbg,ft8719 + + reg: + description: DSI virtual channel of the peripheral + + reset-gpios: + description: phandle of gpio for reset line + + vddio-supply: + description: phandle of the Power IC supply regulator + + vddpos-supply: + description: phandle of the positive boost supply regulator + + vddneg-supply: + description: phandle of the negative boost supply regulator + + backlight: true + port: true + +required: + - compatible + - reg + - vddio-supply + - vddpos-supply + - vddneg-supply + - reset-gpios + - port + +unevaluatedProperties: false + +examples: + - |+ + #include + dsi0 { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "ebbg,ft8719"; + reg = <0>; + + vddio-supply = <&vreg_l14a_1p88>; + vddpos-supply = <&lab>; + vddneg-supply = <&ibb>; + + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; + + backlight = <&pmi8998_wled>; + + port { + ebbg_ft8719_in_0: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; + }; From patchwork Fri May 6 12:17:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Selvaraj X-Patchwork-Id: 12841038 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F2D65C433EF for ; Fri, 6 May 2022 12:18:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2924010FD42; Fri, 6 May 2022 12:18:18 +0000 (UTC) Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12olkn2109.outbound.protection.outlook.com [40.92.22.109]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5AC4610FD42 for ; Fri, 6 May 2022 12:18:16 +0000 (UTC) ARC-Seal: i=1; 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The panel's backlight is managed through QCOM WLED driver. Signed-off-by: Joel Selvaraj --- MAINTAINERS | 7 + drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-ebbg-ft8719.c | 362 ++++++++++++++++++++++ 4 files changed, 381 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-ebbg-ft8719.c diff --git a/MAINTAINERS b/MAINTAINERS index cd0f68d4a34a..dfd2c53aea00 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6018,6 +6018,13 @@ S: Maintained F: Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml F: drivers/gpu/drm/bridge/chipone-icn6211.c +DRM DRIVER FOR EBBG FT8719 PANEL +M: Joel Selvaraj +S: Maintained +T: git git://anongit.freedesktop.org/drm/drm-misc +F: Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml +F: drivers/gpu/drm/panel/panel-ebbg-ft8719.c + DRM DRIVER FOR FARADAY TVE200 TV ENCODER M: Linus Walleij S: Maintained diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 9989a316fe88..77176df2e2ec 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -114,6 +114,17 @@ config DRM_PANEL_EDP that it can be automatically turned off when the panel goes into a low power state. +config DRM_PANEL_EBBG_FT8719 + tristate "EBBG FT8719 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 EBBG FT8719 + video mode panel. Mainly found on Xiaomi Poco F1 mobile phone. + The panel has a resolution of 1080x2246. It provides a MIPI DSI + interface to the host. + config DRM_PANEL_ELIDA_KD35T133 tristate "Elida KD35T133 panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index d99fbbce49d1..47cc20c1a770 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o obj-$(CONFIG_DRM_PANEL_EDP) += panel-edp.o +obj-$(CONFIG_DRM_PANEL_EBBG_FT8719) += panel-ebbg-ft8719.o obj-$(CONFIG_DRM_PANEL_ELIDA_KD35T133) += panel-elida-kd35t133.o obj-$(CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02) += panel-feixin-k101-im2ba02.o obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o diff --git a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c new file mode 100644 index 000000000000..abd54c4b0c23 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Joel Selvaraj + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree: + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include + +#include