From patchwork Mon Apr 27 14:00:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Angelo Ribeiro X-Patchwork-Id: 11514447 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 C4F9514DD for ; Tue, 28 Apr 2020 12:47:30 +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 A440A206D6 for ; Tue, 28 Apr 2020 12:47:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="EAJmrWtZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A440A206D6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com 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 ABABB6E418; Tue, 28 Apr 2020 12:46:31 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.87.133]) by gabe.freedesktop.org (Postfix) with ESMTPS id 378AE6E2DE for ; Mon, 27 Apr 2020 14:00:48 +0000 (UTC) Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 22138C0340; Mon, 27 Apr 2020 14:00:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1587996047; bh=gkz/MH4Z3ksYqoxMhUAoa+N/R81O+lRzybg5tG4r+Sg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=EAJmrWtZWC1Rpt/5XO7y7dQi8qPIw6reeltCBl06D8trq30jmSKDRwBuT4pWIMs9W 6Xgy8WwlpRSHV2Hpbm4i+zdxTuS0n1LXXy4Njxl01ShCfLw7HyWVO3B0VSMpDtPYGe enoOfvju0XBLo4+zGut3bPcbxfdlpLEqwuLDChC860cAEZ9/GJboW2H4ILknv0E/EJ +Ki+98EHW+FvxmhVZlmvhb7Fu365m30XGyEMWQFCKL0/kqTpklEQW9nO1+mB83qxqH OHOQ+EAqS92uUjsQGIf8TuLEbFF5z0l8DQiGc2oG7Bhh6Zfqi+QtxNnpRImxo7cWaO hJDUy71FCLfCQ== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id 51743A005E; Mon, 27 Apr 2020 14:00:44 +0000 (UTC) From: Angelo Ribeiro To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/4] dt-bindings: display: Add IPK DSI subsystem bindings Date: Mon, 27 Apr 2020 16:00:33 +0200 Message-Id: <04a657ce78633d82565d3a7ce34a8ab52310ff63.1587992776.git.angelo.ribeiro@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Mailman-Approved-At: Tue, 28 Apr 2020 12:46:22 +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: Mark Rutland , Joao Pinto , David Airlie , Gustavo Pimentel , Rob Herring , Angelo Ribeiro , Sam Ravnborg MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add dt-bindings for Synopsys DesignWare MIPI DSI Host and VPG (Video Pattern Generator) support in the IPK display subsystem. The Synopsys DesignWare IPK display video pipeline is composed by a DSI controller (snps,dw-ipk-dsi) and a VPG (snps,dw-ipk-vpg) as DPI stimulus. Typically is used the Raspberry Pi (raspberrypi,7inch-touchscreen-panel) as DSI panel that requires a I2C controller (snps,designware-i2c). Reported-by: Rob Herring Cc: David Airlie Cc: Daniel Vetter Cc: Sam Ravnborg Cc: Rob Herring Cc: Mark Rutland Cc: Gustavo Pimentel Cc: Joao Pinto Signed-off-by: Angelo Ribeiro --- Changes since v3: - Fixed dt-binding breaking on `make dt_binding_check`. Changes since v2: - Fixed dt-bindings issues, see https://patchwork.ozlabs.org/patch/1260819/. --- .../bindings/display/snps,dw-ipk-dsi.yaml | 159 +++++++++++++++++++++ .../bindings/display/snps,dw-ipk-vpg.yaml | 73 ++++++++++ 2 files changed, 232 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/snps,dw-ipk-dsi.yaml create mode 100644 Documentation/devicetree/bindings/display/snps,dw-ipk-vpg.yaml diff --git a/Documentation/devicetree/bindings/display/snps,dw-ipk-dsi.yaml b/Documentation/devicetree/bindings/display/snps,dw-ipk-dsi.yaml new file mode 100644 index 0000000..af4b775 --- /dev/null +++ b/Documentation/devicetree/bindings/display/snps,dw-ipk-dsi.yaml @@ -0,0 +1,159 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/snps,dw-ipk-dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare IPK specific extensions for the Synopsys DSI host + controller. + +maintainers: + - Angelo Ribeiro + +description: | + The Synopsys DesignWare IPK DSI controller uses the Synopsys DesignWare MIPI + DSI host controller. + For more info refer to + Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt. + +properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + compatible: + items: + - const: snps,dw-ipk-dsi + - const: snps,dw-mipi-dsi + + reg: + items: + - description: DW MIPI DSI Host registers + - description: DW MIPI DSI Phy test-chip registers + minItems: 2 + + reg-names: + items: + - const: dsi + - const: phy + minItems: 2 + + clocks: + items: + - description: Peripheral clock + - description: PLL clock + - description: Pixel clock + minItems: 2 + + clock-names: + items: + - const: pclk + - const: ref + - const: px_clk + minItems: 2 + + resets: + items: + - description: APB reset line + minItems: 1 + + reset-names: + items: + - const: apb + minItems: 1 + + ports: + type: object + description: | + A port node containging a DSI input and outuput port nodes as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt and + Documentation/devicetree/bindings/graph.txt. + properties: + port@0: + type: object + description: Input endpoint of the controller, connects to a DPI source. + + port@1: + type: object + description: Output endpoint of the controller, connects to a panel or + a bridge input port. + + required: + - port@0 + - port@1 + +additionalProperties: false + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + - reg-names + - clocks + - clock-names + - resets + - reset-names + - ports + +examples: + - | + dsi1: dw-ipk-dsi@2000 { + compatible = "snps,dw-ipk-dsi"; + reg = <0x02000 0xfff>, <0x05000 0xfff>; + reg-names = "dsi", "phy"; + clocks = <&apb_clk>, <&pll_clk>; + clock-names = "pclk", "ref"; + resets = <&ipk_rst 1>; + reset-names = "apb"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi1_in: endpoint { + remote-endpoint = <&vbridge_out>; + }; + }; + + port@1 { + reg = <1>; + dsi_out_port: endpoint { + remote-endpoint = <&panel_dsi_port>; + }; + }; + }; + }; + + i2c: i2c@1000 { + compatible = "snps,designware-i2c"; + reg = <0x01000 0x100>; + clock-frequency = <400000>; + clocks = <&i2cclk>; + interrupts = <0>; + resets = <&ipk_rst 0>; + reset-names = "i2c"; + + #address-cells = <1>; + #size-cells = <0>; + + lcd@45 { + compatible = "raspberrypi,7inch-touchscreen-panel"; + reg = <0x45>; + + port { + panel_dsi_port: endpoint { + remote-endpoint = <&dsi_out_port>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/snps,dw-ipk-vpg.yaml b/Documentation/devicetree/bindings/display/snps,dw-ipk-vpg.yaml new file mode 100644 index 0000000..07e8380 --- /dev/null +++ b/Documentation/devicetree/bindings/display/snps,dw-ipk-vpg.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/snps,dw-ipk-vpg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare Video Pattern Generator (VPG) for MIPI DSI HOST + +maintainers: + - Angelo Ribeiro + +properties: + compatible: + const: snps,dw-ipk-vpg + + reg: + items: + - description: Video Pattern Generator (VPG) registers + - description: Clock generator (MMCM) registers + minItems: 2 + + reg-names: + items: + - const: vpg + - const: mmcm + minItems: 2 + + resets: + items: + - description: VPG reset line + - description: MMCM reset line + minItems: 2 + + reset-names: + items: + - const: vpg + - const: mmcm + minItems: 2 + + port: + type: object + description: Video port for DPI output. + The VPG has one video port for internal DPI stimulus over the MIPI + DSI host controller. + +required: + - compatible + - reg + - reg-names + - resets + - reset-names + - port + +additionalProperties: false + +examples: + - | + dsi_vpg: dw-dsi-vpg@3000 { + compatible = "snps,dw-ipk-vpg"; + reg = <0x03000 0xfff>, <0x07000 0xfff>; + reg-names = "vpg", "mmcm"; + resets = <&ipk_rst 2>, <&ipk_rst 3>; + reset-names = "vpg", "mmcm"; + status = "okay"; + + port { + vpg_out: endpoint { + remote-endpoint = <&dsi1_in>; + }; + }; + }; + +...