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Mon, 21 Jun 2021 00:24:45 -0700 (PDT) From: Jagan Teki To: Peng Fan , Shawn Guo , Sascha Hauer , Tomasz Figa , Fancy Fang Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, NXP Linux Team , linux-amarula@amarulasolutions.com, Anthony Brandon , Francis Laniel , Matteo Lisi , Milco Pratesi , Jagan Teki , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Rob Herring Subject: [RFC PATCH 1/9] dt-bindings: display: bridge: Add Samsung SEC MIPI DSIM bindings Date: Mon, 21 Jun 2021 12:54:16 +0530 Message-Id: <20210621072424.111733-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210621072424.111733-1-jagan@amarulasolutions.com> References: <20210621072424.111733-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210621_002447_556737_68073CAD X-CRM114-Status: GOOD ( 16.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Samsung SEC MIPI DSIM Bridge controller is MIPI DSI bridge available in NXP's i.MX8M Mini and Nano Processors. Add dt-bingings for it. Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Robert Foss Cc: Laurent Pinchart Cc: Rob Herring Signed-off-by: Jagan Teki --- .../display/bridge/samsung,sec-dsim.yaml | 184 ++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/samsung,sec-dsim.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/samsung,sec-dsim.yaml b/Documentation/devicetree/bindings/display/bridge/samsung,sec-dsim.yaml new file mode 100644 index 000000000000..32f67f313dfd --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/samsung,sec-dsim.yaml @@ -0,0 +1,184 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/samsung,sec-dsim.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SEC MIPI DSIM Bridge controller on i.MX8M Mini and Nano SoCs + +maintainers: + - Jagan Teki + +description: | + NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for + the SOCs NWL MIPI-DSI host controller. + +allOf: + - $ref: ../dsi-controller.yaml# + +properties: + compatible: + enum: + - fsl,imx8mm-sec-dsim + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + assigned-clock-parents: true + assigned-clock-rates: true + assigned-clocks: true + + clocks: + items: + - description: DSI bus clock + - description: PHY_REF clock + + clock-names: + items: + - const: bus + - const: phy_ref + + phys: + maxItems: 1 + description: phandle to the phy module representing the DPHY + + phy-names: + items: + - const: dphy + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + samsung,burst-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM high speed burst mode frequency. + + samsung,esc-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM escape mode frequency. + + samsung,pll-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM oscillator clock frequency. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + description: + Input port node to receive pixel data from the + display controller. Exactly one endpoint must be + specified. + properties: + endpoint@0: + $ref: /schemas/graph.yaml#/properties/endpoint + description: sub-node describing the input from LCDIF + + endpoint@1: + $ref: /schemas/graph.yaml#/properties/endpoint + description: sub-node describing the input from DCSS + + oneOf: + - required: + - endpoint@0 + - required: + - endpoint@1 + + unevaluatedProperties: false + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + DSI output port node to the panel or the next bridge + in the chain + + required: + - port@0 + - port@1 + +required: + - '#address-cells' + - '#size-cells' + - clock-names + - clocks + - compatible + - interrupts + - phy-names + - phys + - ports + - reg + - samsung,burst-clock-frequency + - samsung,esc-clock-frequency + - samsung,pll-clock-frequency + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + + dsi: dsi@32e10000 { + compatible = "fsl,imx8mm-sec-dsim"; + reg = <0x32e10000 0xa0>; + clocks = <&clk IMX8MM_CLK_DSI_CORE>, + <&clk IMX8MM_CLK_DSI_PHY_REF>; + clock-names = "bus", "phy_ref"; + assigned-clocks = <&clk IMX8MM_CLK_DSI_CORE>, + <&clk IMX8MM_VIDEO_PLL1_OUT>, + <&clk IMX8MM_CLK_DSI_PHY_REF>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_266M>, + <&clk IMX8MM_VIDEO_PLL1_BYPASS>, + <&clk IMX8MM_VIDEO_PLL1_OUT>; + assigned-clock-rates = <266000000>, <594000000>, <27000000>; + interrupts = ; + phys = <&dphy>; + phy-names = "dphy"; + power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_MIPI_DSI>; + samsung,burst-clock-frequency = <891000000>; + samsung,esc-clock-frequency = <54000000>; + samsung,pll-clock-frequency = <27000000>; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + #size-cells = <0>; + #address-cells = <1>; + + dsi_in_lcdif: endpoint@0 { + reg = <0>; + remote-endpoint = <&lcdif_out_dsi>; + }; + }; + + port@1 { + reg = <1>; + + dsi_out_panel: endpoint { + remote-endpoint = <&panel_in_dsi>; + }; + }; + }; + }; From patchwork Mon Jun 21 07:24:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 12333959 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9680BC48BE5 for ; Mon, 21 Jun 2021 07:27:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5989660FDA for ; 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Mon, 21 Jun 2021 00:24:53 -0700 (PDT) From: Jagan Teki To: Peng Fan , Shawn Guo , Sascha Hauer , Tomasz Figa , Fancy Fang Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, NXP Linux Team , linux-amarula@amarulasolutions.com, Anthony Brandon , Francis Laniel , Matteo Lisi , Milco Pratesi , Jagan Teki , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart Subject: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver Date: Mon, 21 Jun 2021 12:54:17 +0530 Message-Id: <20210621072424.111733-3-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210621072424.111733-1-jagan@amarulasolutions.com> References: <20210621072424.111733-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210621_002454_725743_5275A65B X-CRM114-Status: GOOD ( 20.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Samsung SEC MIPI DSIM Bridge controller is MIPI DSI bridge available in NXP's i.MX8M Mini and Nano Processors. Add bridge driver for it. Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Robert Foss Cc: Laurent Pinchart Signed-off-by: Jagan Teki --- drivers/gpu/drm/bridge/Kconfig | 15 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/sec-dsim.c | 1535 +++++++++++++++++++++++++++++ 3 files changed, 1551 insertions(+) create mode 100644 drivers/gpu/drm/bridge/sec-dsim.c diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 19109c0b5481..a183eb165a35 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -189,6 +189,21 @@ config DRM_PARADE_PS8640 The PS8640 is a high-performance and low-power MIPI DSI to eDP converter +config DRM_SEC_MIPI_DSIM + tristate "Samsung SEC MIPI DSIM Bridge controller" + depends on DRM + depends on COMMON_CLK + depends on OF && HAS_IOMEM + select DRM_KMS_HELPER + select DRM_MIPI_DSI + select DRM_PANEL_BRIDGE + select GENERIC_PHY_MIPI_DPHY + select MFD_SYSCON + select REGMAP_MMIO + help + This enables the Samsung SEC MIPI DSIM Bridge controller as + for example found on NXP's i.MX8M Mini and Nano Processors. + config DRM_SIL_SII8620 tristate "Silicon Image SII8620 HDMI/MHL bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index 88e4edf81087..ff802a4ffe65 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW) += megachips-stdpxxxx-ge-b850v obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o obj-$(CONFIG_DRM_PARADE_PS8640) += parade-ps8640.o +obj-$(CONFIG_DRM_SEC_MIPI_DSIM) += sec-dsim.o obj-$(CONFIG_DRM_SIL_SII8620) += sil-sii8620.o obj-$(CONFIG_DRM_SII902X) += sii902x.o obj-$(CONFIG_DRM_SII9234) += sii9234.o diff --git a/drivers/gpu/drm/bridge/sec-dsim.c b/drivers/gpu/drm/bridge/sec-dsim.c new file mode 100644 index 000000000000..5b6645bb94e7 --- /dev/null +++ b/drivers/gpu/drm/bridge/sec-dsim.c @@ -0,0 +1,1535 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Samsung SEC MIPI DSIM Bridge + * + * Copyright (C) 2018 NXP + * Copyright (c) 2014 Samsung Electronics Co., Ltd + * Copyright (C) 2021 Amarula Solutions(India) + * + * Based on the drivers/gpu/drm/exynos/exynos_drm_dsi.c + * + * Authors: + * Tomasz Figa + * Andrzej Hajda + * Fancy Fang + * Jagan Teki + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include