From patchwork Tue Nov 26 20:12:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 13886326 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 03B36D65552 for ; Tue, 26 Nov 2024 20:13:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8555410E9C4; Tue, 26 Nov 2024 20:13:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=sntech.de header.i=@sntech.de header.b="uvV+XLUE"; dkim-atps=neutral Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9264610E9C0 for ; Tue, 26 Nov 2024 20:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=88ab7em/bcyfSbTyVcCkEN2g1NCbobhvACDw0R0UWd8=; b=uvV+XLUEIRQ9apMthvihMvz86O SWbCENuI/nHSF20GrOY4vfIg4n09elDOFw4XqiznKEW80wnp9I5Q9oeePu+3ALZUDNT81R0Ki/lkR 6C/9TwrtBaXGhsDi12+GDEVO5w7G8S7duYoMQHi5Cara8yDx18JaWzotK3Ly4mlQx/tf80PFWPStW okgNgEdekXWYW3tvLcjZxOr+FTRjlTP5YswhaSNBcjAXvrGJJzBvfaU+KYD/2CT5lgK6XF7eNgS0E bvwEdwPtgGjNtD+/+gJxzSuQKOUL2VoOOrH+Fbs7r4hSSorvrjPwzVwofLSPdk0Ldfoyi9vDuSFH1 QdjmsVtA==; Received: from i5e86190f.versanet.de ([94.134.25.15] helo=phil..) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tG1uy-0002yD-Rr; Tue, 26 Nov 2024 21:12:16 +0100 From: Heiko Stuebner To: heiko@sntech.de Cc: andy.yan@rock-chips.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, quentin.schulz@cherry.de, Heiko Stuebner , Daniel Semkowicz Subject: [PATCH v2 1/3] drm/bridge/synopsys: Add MIPI DSI2 host controller bridge Date: Tue, 26 Nov 2024 21:12:11 +0100 Message-ID: <20241126201213.522753-2-heiko@sntech.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241126201213.522753-1-heiko@sntech.de> References: <20241126201213.522753-1-heiko@sntech.de> MIME-Version: 1.0 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Heiko Stuebner Add a Synopsys Designware MIPI DSI host DRM bridge driver for their DSI2 host controller, based on the Rockchip version from the driver rockchip/dw-mipi-dsi2.c in their vendor-kernel with phy & bridge APIs. While the driver is heavily modelled after the previous IP, the register set of this DSI2 controller is completely different and there are also additional properties like the variable-width phy interface. Tested-by: Daniel Semkowicz Signed-off-by: Heiko Stuebner Reviewed-by: Neil Armstrong --- drivers/gpu/drm/bridge/synopsys/Kconfig | 6 + drivers/gpu/drm/bridge/synopsys/Makefile | 1 + .../gpu/drm/bridge/synopsys/dw-mipi-dsi2.c | 1030 +++++++++++++++++ include/drm/bridge/dw_mipi_dsi2.h | 95 ++ 4 files changed, 1132 insertions(+) create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c create mode 100644 include/drm/bridge/dw_mipi_dsi2.h diff --git a/drivers/gpu/drm/bridge/synopsys/Kconfig b/drivers/gpu/drm/bridge/synopsys/Kconfig index ca416dab156d..f3ab2f985f8c 100644 --- a/drivers/gpu/drm/bridge/synopsys/Kconfig +++ b/drivers/gpu/drm/bridge/synopsys/Kconfig @@ -59,3 +59,9 @@ config DRM_DW_MIPI_DSI select DRM_KMS_HELPER select DRM_MIPI_DSI select DRM_PANEL_BRIDGE + +config DRM_DW_MIPI_DSI2 + tristate + select DRM_KMS_HELPER + select DRM_MIPI_DSI + select DRM_PANEL_BRIDGE diff --git a/drivers/gpu/drm/bridge/synopsys/Makefile b/drivers/gpu/drm/bridge/synopsys/Makefile index 9869d9651ed1..9dc376d220ad 100644 --- a/drivers/gpu/drm/bridge/synopsys/Makefile +++ b/drivers/gpu/drm/bridge/synopsys/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_DRM_DW_HDMI_CEC) += dw-hdmi-cec.o obj-$(CONFIG_DRM_DW_HDMI_QP) += dw-hdmi-qp.o obj-$(CONFIG_DRM_DW_MIPI_DSI) += dw-mipi-dsi.o +obj-$(CONFIG_DRM_DW_MIPI_DSI2) += dw-mipi-dsi2.o diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c new file mode 100644 index 000000000000..099cf812650a --- /dev/null +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c @@ -0,0 +1,1030 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024, Fuzhou Rockchip Electronics Co., Ltd + * + * Modified by Heiko Stuebner + * This generic Synopsys DesignWare MIPI DSI2 host driver is based on the + * Rockchip version from rockchip/dw-mipi-dsi2.c converted to use bridge APIs. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include