From patchwork Tue Aug 22 12:08:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 715865 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C688EE49A4 for ; Tue, 22 Aug 2023 12:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233834AbjHVMIO (ORCPT ); Tue, 22 Aug 2023 08:08:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235174AbjHVMIN (ORCPT ); Tue, 22 Aug 2023 08:08:13 -0400 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1E6F91 for ; Tue, 22 Aug 2023 05:08:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1692706092; x=1724242092; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=c5aKk6Nl7l7Dda7yL6IGpp8auUBf5Bry2rjnW3LLVb4=; b=J+zNkUKIdAXlXE0zKR40id2tu5r6SykvsBs7feuKr7yV0N4cJBsxEJDX oAcAnfSJJdlHtm14Xz14Jq7nU+GKuITQ3mpHaOv7pjE1UgufOrowrtxAs ivzt8O8+CCByQVcalm6iKbHMBnXfyJ2DUv5JeWP8mk1LUVh2NQG43jrl0 VNPfF88F2JImSIMniJS6umzHDK1fJwLmp2zYiIAPXUllyWP3+WFrLhrE4 13nZrmm6kvsIGfqSlgHNsQ9W0Wxd68RB4SqFDclR5/QeQ00broH3o+OL5 Lcc7A9CYhUxSG4zFjBzF9wUZVCS6ErbLUWnDCX79A/3ypOhd/fDDA/EDJ Q==; X-IronPort-AV: E=Sophos;i="6.01,193,1684792800"; d="scan'208";a="32562947" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 22 Aug 2023 14:08:09 +0200 Received: from steina-w.tq-net.de (steina-w.tq-net.de [10.123.53.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id 17D2C280084; Tue, 22 Aug 2023 14:08:09 +0200 (CEST) From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Catalin Marinas , Will Deacon Cc: Alexander Stein , Pengutronix Kernel Team , NXP Linux Team , devicetree@vger.kernel.org, linux@ew.tq-group.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 1/5] arm64: dts: mba8mx: Add DSI-LVDS bridge nodes Date: Tue, 22 Aug 2023 14:08:00 +0200 Message-Id: <20230822120804.717592-2-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230822120804.717592-1-alexander.stein@ew.tq-group.com> References: <20230822120804.717592-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds the DSI-LVDS bridge including the regulator, backlight and an unspecified panel. It is expected to set the compatible when the display chain is enabled. Signed-off-by: Alexander Stein --- arch/arm64/boot/dts/freescale/mba8mx.dtsi | 93 +++++++++++++++++++++++ 1 file changed, 93 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi index 8a9fe5cdcc98a..e2bc53b8d39a8 100644 --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi @@ -8,6 +8,16 @@ /* TQ-Systems GmbH MBa8Mx baseboard */ / { + backlight_lvds: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm3 0 5000000 0>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <7>; + power-supply = <®_12v>; + enable-gpios = <&expander2 2 GPIO_ACTIVE_HIGH>; + status = "disabled"; + }; + beeper { compatible = "pwm-beeper"; pwms = <&pwm4 0 250000 0>; @@ -65,12 +75,45 @@ led2: led2 { }; }; + gpio_delays: gpio-delays { + compatible = "gpio-delay"; + #gpio-cells = <3>; + gpio-controller; + gpios = <&expander0 6 GPIO_ACTIVE_HIGH>; + gpio-line-names = "LVDS_BRIDGE_EN_1V8"; + }; + + panel: panel-lvds { + /* + * Display is not fixed, so compatible has to be added from + * DT overlay + */ + backlight = <&backlight_lvds>; + power-supply = <®_vcc_3v3>; + status = "disabled"; + + port { + panel_in_lvds: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&lvds_bridge_out>; + }; + }; + }; + pcie0_refclk: pcie0-refclk { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <100000000>; }; + reg_12v: regulator-12v { + compatible = "regulator-fixed"; + regulator-name = "MBA8MX_12V"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + }; + reg_hub_vbus: regulator-hub-vbus { compatible = "regulator-fixed"; regulator-name = "MBA8MX_HUB_VBUS"; @@ -157,6 +200,10 @@ expander0: gpio@23 { interrupts = <9 IRQ_TYPE_EDGE_FALLING>; interrupt-controller; #interrupt-cells = <2>; + gpio-line-names = "", "", "", "", + "", "", "LVDS_BRIDGE_EN", "", + "", "", "", "", + "", "", "", ""; sd-mux-oe-hog { gpio-hog; @@ -227,6 +274,52 @@ &i2c3 { scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; + + dsi_lvds_bridge: bridge@2d { + compatible = "ti,sn65dsi84"; + reg = <0x2d>; + enable-gpios = <&gpio_delays 0 130000 0>; + vcc-supply = <®_sn65dsi83_1v8>; + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lvds_bridge_in: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&mipi_dsi_out>; + }; + }; + + port@2 { + reg = <2>; + + lvds_bridge_out: endpoint { + remote-endpoint = <&panel_in_lvds>; + }; + }; + }; + }; +}; + +&mipi_dsi { + samsung,burst-clock-frequency = <891000000>; + samsung,esc-clock-frequency = <20000000>; + + ports { + port@1 { + reg = <1>; + + mipi_dsi_out: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&lvds_bridge_in>; + }; + }; + }; }; &pwm3 {