From patchwork Wed Apr 27 18:52:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 12829344 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 smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7979BC433F5 for ; Wed, 27 Apr 2022 18:53:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 5D8C6C385B0; Wed, 27 Apr 2022 18:53:18 +0000 (UTC) Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.kernel.org (Postfix) with ESMTPS id 0C7D5C385A7; Wed, 27 Apr 2022 18:53:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 0C7D5C385A7 Authentication-Results: smtp.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.kernel.org; spf=pass smtp.mailfrom=collabora.com Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: detlev) with ESMTPSA id 8FC1F1F44C87 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1651085595; bh=fdts8xdjxfo/HcbM44f5ebcxxEsRi/kQO4JxLimk5MU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WHTzTckzb4FP/l5onILZN2cxytJo1alLFMat4NiWCXoxs+i1auVeeB+EolxMFdOPe lUxjpJJ8QlZD2SFs1Qok4yTQl8RM6+Jz6/LOUA3GJ2/811ap1Hiym7cKbInp+9xMwW UC48EOwI/GsLeBhVuTrqcGFE2LErd5Eat4P1laUifBf2fL2ZOnZecnOu8Jds9EoesQ CoBGkMqoHoH4A0EKf69SMwjPrjdS3Ln0uQ3gbbJ5/Y42Vmf0iaWjrYnTchA2sM+9wP 5/1lOPL4djWe1L5ucHlJ35yPXtF1PPkjtoxZ69tDPIKCugSqB0l6s2mRDmRw34lhCm +tkFIOmBD/eTw== From: Detlev Casanova To: linux-kernel@vger.kernel.org List-Id: Cc: arnd@arndb.de, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, f.fainelli@gmail.com, frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, masahiroy@kernel.org, michal.lkml@markovi.net, ndesaulniers@google.com, nsaenz@kernel.org, olof@lixom.net, rjui@broadcom.com, robh+dt@kernel.org, sbranden@broadcom.com, soc@kernel.org, stefan.wahren@i2se.com, Detlev Casanova Subject: [RFC PATCH v2 3/3] ARM: dto: Add bcm2711-rpi-7-inches-ts.dts overlay Date: Wed, 27 Apr 2022 14:52:43 -0400 Message-Id: <20220427185243.173594-4-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220427185243.173594-1-detlev.casanova@collabora.com> References: <20220427185243.173594-1-detlev.casanova@collabora.com> MIME-Version: 1.0 Add a device tree overlay to support the official Raspberrypi 7" touchscreen for the bcm2711 devices. The panel is connected on the DSI 1 port and uses the simple-panel driver. The device tree also makes sure to activate the pixelvalve[0-4] CRTC modules Signed-off-by: Detlev Casanova --- arch/arm/boot/dts/Makefile | 4 + arch/arm/boot/dts/overlays/Makefile | 3 + .../dts/overlays/bcm2711-rpi-7-inches-ts.dts | 125 ++++++++++++++++++ arch/arm64/boot/dts/broadcom/Makefile | 4 + .../arm64/boot/dts/broadcom/overlays/Makefile | 3 + .../overlays/bcm2711-rpi-7-inches-ts.dts | 2 + 6 files changed, 141 insertions(+) create mode 100644 arch/arm/boot/dts/overlays/Makefile create mode 100644 arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts create mode 100644 arch/arm64/boot/dts/broadcom/overlays/Makefile create mode 100644 arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 235ad559acb2..eb0b0b121947 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1549,3 +1549,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-vegman-n110.dtb \ aspeed-bmc-vegman-rx20.dtb \ aspeed-bmc-vegman-sx20.dtb + +ifeq ($(CONFIG_OF_OVERLAY),y) +subdir-y += overlays +endif diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile new file mode 100644 index 000000000000..c90883dfaf91 --- /dev/null +++ b/arch/arm/boot/dts/overlays/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-7-inches-ts.dtbo diff --git a/arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts b/arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts new file mode 100644 index 000000000000..de98a6c1079a --- /dev/null +++ b/arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-2.0 + +/dts-v1/; +/plugin/; + +&{/} { + #address-cells = <2>; + #size-cells = <1>; + + panel_disp1: panel@0 { + reg = <0 0 0>; + compatible = "raspberrypi,7inch-dsi", "simple-panel"; + backlight = <®_display>; + power-supply = <®_display>; + status = "okay"; + + port { + panel_in: endpoint { + remote-endpoint = <&bridge_out>; + }; + }; + }; + + reg_bridge: regulator@0 { + reg = <0 0 0>; + compatible = "regulator-fixed"; + regulator-name = "bridge_reg"; + gpio = <®_display 0 0>; + vin-supply = <®_display>; + enable-active-high; + status = "okay"; + }; +}; + +&i2c_csi_dsi { + #address-cells = <1>; + #size-cells = <0>; + + ft5406: touchscreen@38 { + compatible = "edt,edt-ft5506"; + reg = <0x38>; + status = "okay"; + + vcc-supply = <®_display>; + reset-gpio = <®_display 1 1>; + + touchscreen-size-x = < 800 >; + touchscreen-size-y = < 480 >; + + touchscreen-inverted-x; + touchscreen-inverted-y; + }; + + reg_display: regulator@45 { + compatible = "raspberrypi,7inch-touchscreen-panel-regulator"; + reg = <0x45>; + status = "okay"; + + gpio-controller; + #gpio-cells = <2>; + }; + +}; + +&dsi1 { + #address-cells = <1>; + #size-cells = <0>; + + status = "okay"; + + port { + dsi_out: endpoint { + remote-endpoint = <&bridge_in>; + }; + }; + + bridge@0 { + #address-cells = <1>; + #size-cells = <0>; + + reg = <0>; + compatible = "toshiba,tc358762"; + + vddc-supply = <®_bridge>; + + 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>; + }; + }; + }; + }; +}; + +&pixelvalve0 { + status = "okay"; +}; + +&pixelvalve1 { + status = "okay"; +}; + +&pixelvalve2 { + status = "okay"; +}; + +&pixelvalve3 { + status = "okay"; +}; + +&pixelvalve4 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile index c6882032a428..a6c43c5b053a 100644 --- a/arch/arm64/boot/dts/broadcom/Makefile +++ b/arch/arm64/boot/dts/broadcom/Makefile @@ -7,6 +7,10 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \ bcm2837-rpi-3-b-plus.dtb \ bcm2837-rpi-cm3-io3.dtb +ifeq ($(CONFIG_OF_OVERLAY),y) +subdir-y += overlays +endif + subdir-y += bcm4908 subdir-y += northstar2 subdir-y += stingray diff --git a/arch/arm64/boot/dts/broadcom/overlays/Makefile b/arch/arm64/boot/dts/broadcom/overlays/Makefile new file mode 100644 index 000000000000..c90883dfaf91 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/overlays/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-7-inches-ts.dtbo diff --git a/arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts b/arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts new file mode 100644 index 000000000000..7d532b090305 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts @@ -0,0 +1,2 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "arm/overlays/bcm2711-rpi-7-inches-ts.dts"