From patchwork Sun Aug 9 10:57:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 11707081 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 887C814F6 for ; Mon, 10 Aug 2020 07:36:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 706662073A for ; Mon, 10 Aug 2020 07:36:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 706662073A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3925E89D44; Mon, 10 Aug 2020 07:36:01 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8719B6E02F for ; Sun, 9 Aug 2020 10:57:23 +0000 (UTC) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4BPbdr4xjBz1rrLM; Sun, 9 Aug 2020 12:57:20 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4BPbdr3RDTz1qy5j; Sun, 9 Aug 2020 12:57:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id OvT1YcClvaGd; Sun, 9 Aug 2020 12:57:18 +0200 (CEST) X-Auth-Info: J2d9nbxkwYGKXQiVdDdO2gADhSWVvUWuO8m1yylowxw= Received: from desktop.lan (ip-86-49-101-166.net.upcbroadband.cz [86.49.101.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sun, 9 Aug 2020 12:57:18 +0200 (CEST) From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH V3 1/2] dt-bindings: Add DT bindings for Toshiba TC358762 DSI-to-DPI bridge Date: Sun, 9 Aug 2020 12:57:04 +0200 Message-Id: <20200809105705.6334-1-marex@denx.de> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 10 Aug 2020 07:35:58 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Rob Herring , Sam Ravnborg , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add DT bindings for Toshiba TC358762 DSI-to-DPI bridge, this one is used in the Raspberry Pi 7" touchscreen display unit. Signed-off-by: Marek Vasut To: dri-devel@lists.freedesktop.org Cc: Eric Anholt Cc: Rob Herring Cc: Sam Ravnborg Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring --- V2: Fix dt_binding_check errors V3: Add ... at the end of example --- .../display/bridge/toshiba,tc358762.yaml | 127 ++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/toshiba,tc358762.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358762.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358762.yaml new file mode 100644 index 000000000000..195025e6803c --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358762.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358762.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba TC358762 MIPI DSI to MIPI DPI bridge + +maintainers: + - Marek Vasut + +description: | + The TC358762 is bridge device which converts MIPI DSI to MIPI DPI. + +properties: + compatible: + enum: + - toshiba,tc358762 + + reg: + maxItems: 1 + description: virtual channel number of a DSI peripheral + + vddc-supply: + description: Regulator for 1.2V internal core power. + + ports: + type: object + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + port@0: + type: object + additionalProperties: false + + description: | + Video port for MIPI DSI input + + properties: + reg: + const: 0 + + patternProperties: + endpoint: + type: object + additionalProperties: false + + properties: + remote-endpoint: true + + required: + - reg + + port@1: + type: object + additionalProperties: false + + description: | + Video port for MIPI DPI output (panel or connector). + + properties: + reg: + const: 1 + + patternProperties: + endpoint: + type: object + additionalProperties: false + + properties: + remote-endpoint: true + + required: + - reg + + required: + - "#address-cells" + - "#size-cells" + - port@0 + - port@1 + +required: + - compatible + - reg + - vddc-supply + - ports + +additionalProperties: false + +examples: + - | + i2c1 { + #address-cells = <1>; + #size-cells = <0>; + + bridge@0 { + reg = <0>; + compatible = "toshiba,tc358762"; + vddc-supply = <&vcc_1v2_reg>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + + port@1 { + reg = <1>; + bridge_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + }; + +... From patchwork Sun Aug 9 10:57:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 11707077 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B526914F6 for ; Mon, 10 Aug 2020 07:36:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9D2E12073A for ; Mon, 10 Aug 2020 07:36:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D2E12073A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB25D89CC4; Mon, 10 Aug 2020 07:36:00 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by gabe.freedesktop.org (Postfix) with ESMTPS id A58A26E091 for ; Sun, 9 Aug 2020 10:57:23 +0000 (UTC) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4BPbdt32S1z1rrLW; Sun, 9 Aug 2020 12:57:22 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4BPbdt2QMlz1qy5j; Sun, 9 Aug 2020 12:57:22 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id D01NEVQ-XaTQ; Sun, 9 Aug 2020 12:57:20 +0200 (CEST) X-Auth-Info: 5LxeELavPXJUvrA7NKvMqQL+ZKib5kcqBMplrppzgKk= Received: from desktop.lan (ip-86-49-101-166.net.upcbroadband.cz [86.49.101.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sun, 9 Aug 2020 12:57:20 +0200 (CEST) From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH V3 2/2] drm/bridge: tc358762: Add basic driver for Toshiba TC358762 DSI-to-DPI bridge Date: Sun, 9 Aug 2020 12:57:05 +0200 Message-Id: <20200809105705.6334-2-marex@denx.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200809105705.6334-1-marex@denx.de> References: <20200809105705.6334-1-marex@denx.de> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 10 Aug 2020 07:35:58 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Rob Herring , Sam Ravnborg , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add very basic driver for Toshiba TC358762 DSI-to-DPI bridge, derived from tc358764 driver and panel-raspberrypi-touchscreen. This driver is meant to replace the panel-raspberrypi-touchscreen too, as the bridge connection can be described in DT too. Signed-off-by: Marek Vasut To: dri-devel@lists.freedesktop.org Cc: Eric Anholt Cc: Rob Herring Cc: Sam Ravnborg Cc: devicetree@vger.kernel.org Reviewed-by: Sam Ravnborg --- V2: Switch to DRM_PANEL_BRIDGE V3: No change --- drivers/gpu/drm/bridge/Kconfig | 8 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/tc358762.c | 280 ++++++++++++++++++++++++++++++ 3 files changed, 289 insertions(+) create mode 100644 drivers/gpu/drm/bridge/tc358762.c diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 43271c21d3fc..58e879852082 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -153,6 +153,14 @@ config DRM_THINE_THC63LVD1024 help Thine THC63LVD1024 LVDS/parallel converter driver. +config DRM_TOSHIBA_TC358762 + tristate "TC358762 DSI/DPI bridge" + depends on OF + select DRM_MIPI_DSI + select DRM_PANEL_BRIDGE + help + Toshiba TC358762 DSI/DPI bridge driver. + config DRM_TOSHIBA_TC358764 tristate "TC358764 DSI/LVDS bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index d63d4b7e4347..b341c60ee96a 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_DRM_SII902X) += sii902x.o obj-$(CONFIG_DRM_SII9234) += sii9234.o obj-$(CONFIG_DRM_SIMPLE_BRIDGE) += simple-bridge.o obj-$(CONFIG_DRM_THINE_THC63LVD1024) += thc63lvd1024.o +obj-$(CONFIG_DRM_TOSHIBA_TC358762) += tc358762.o obj-$(CONFIG_DRM_TOSHIBA_TC358764) += tc358764.o obj-$(CONFIG_DRM_TOSHIBA_TC358767) += tc358767.o obj-$(CONFIG_DRM_TOSHIBA_TC358768) += tc358768.o diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c new file mode 100644 index 000000000000..1bfdfc6affaf --- /dev/null +++ b/drivers/gpu/drm/bridge/tc358762.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Marek Vasut + * + * Based on tc358764.c by + * Andrzej Hajda + * Maciej Purski + * + * Based on rpi_touchscreen.c by + * Eric Anholt + */ + +#include +#include +#include +#include + +#include