From patchwork Tue Jul 11 22:14:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tim Harvey X-Patchwork-Id: 702056 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 6E5E4EB64DC for ; Tue, 11 Jul 2023 22:14:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230180AbjGKWOs (ORCPT ); Tue, 11 Jul 2023 18:14:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230233AbjGKWOr (ORCPT ); Tue, 11 Jul 2023 18:14:47 -0400 Received: from finn.localdomain (finn.gateworks.com [108.161.129.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAF59170C; Tue, 11 Jul 2023 15:14:45 -0700 (PDT) Received: from 068-189-091-139.biz.spectrum.com ([68.189.91.139] helo=tharvey.pdc.gateworks.com) by finn.localdomain with esmtp (Exim 4.93) (envelope-from ) id 1qJLd4-0074lo-E0; Tue, 11 Jul 2023 22:14:42 +0000 From: Tim Harvey To: Shawn Guo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Tim Harvey Subject: [PATCH] arm64: dts: imx8mp: add imx8mp-venice-gw74xx-rpidsi overlay for display Date: Tue, 11 Jul 2023 15:14:40 -0700 Message-Id: <20230711221440.2127784-1-tharvey@gateworks.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for the following Raspberry Pi displays: - DFROBOT DRF0678 7in 800x480 TFT DSI capacitive touch - DFROBOT DRF0550 5in 800x480 TFT DSI capacitive touch Both have the following hardware: - FocalTech FT5406 10pt touch controller (with no interrupt) - Powertip PH800480T013-IDF02 compatible panel - Toshiba TC358762 compatible DSI to DBI bridge - ATTINY based regulator used for backlight controller and panel enable Support is added via a device-tree overlay. The touch controller is not yet supported as polling mode is needed. Signed-off-by: Tim Harvey --- arch/arm64/boot/dts/freescale/Makefile | 2 + .../imx8mp-venice-gw74xx-rpidsi.dtso | 86 +++++++++++++++++++ 2 files changed, 88 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 454b07ed09fc..60a69e114442 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -156,6 +156,7 @@ imx8mm-venice-gw73xx-0x-rpidsi-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice imx8mm-venice-gw73xx-0x-rs232-rts-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs232-rts.dtbo imx8mm-venice-gw73xx-0x-rs422-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs422.dtbo imx8mm-venice-gw73xx-0x-rs485-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs485.dtbo +imx8mp-venice-gw74xx-rpidsi-dtbs := imx8mp-venice-gw74xx.dtb imx8mp-venice-gw74xx-rpidsi.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-imx219.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-rpidsi.dtb @@ -167,6 +168,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rpidsi.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs232-rts.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs422.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs485.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx-rpidsi.dtb dtb-$(CONFIG_ARCH_S32) += s32g274a-evb.dtb dtb-$(CONFIG_ARCH_S32) += s32g274a-rdb2.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso new file mode 100644 index 000000000000..eec635ead119 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso @@ -0,0 +1,86 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2023 Gateworks Corporation + */ + +/dts-v1/; +/plugin/; + +&{/} { + compatible = "gateworks,imx8mp-gw74xx", "fsl,imx8mp"; + + panel { + compatible = "powertip,ph800480t013-idf02"; + power-supply = <&attiny>; + backlight = <&attiny>; + + port { + panel_in: endpoint { + remote-endpoint = <&bridge_out>; + }; + }; + }; +}; + +&i2c4 { + #address-cells = <1>; + #size-cells = <0>; + + attiny: regulator@45 { + compatible = "raspberrypi,7inch-touchscreen-panel-regulator"; + reg = <0x45>; + }; +}; + +&lcdif1 { + status = "okay"; +}; + +&mipi_dsi { + samsung,burst-clock-frequency = <891000000>; + samsung,esc-clock-frequency = <54000000>; + samsung,pll-clock-frequency = <27000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + bridge@0 { + compatible = "toshiba,tc358762"; + reg = <0>; + vddc-supply = <&attiny>; + + 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>; + }; + }; + }; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + dsi_out: endpoint { + data-lanes = <1 2>; + remote-endpoint = <&bridge_in>; + }; + }; + }; +};