From mboxrd@z Thu Jan 1 00:00:00 1970 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2599AC433EF for ; Wed, 9 Feb 2022 17:12:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=iPbGn7CU/ws+0qFTNGerT2yya4VLjoPvXtHfnHbpK20=; b=tigoIzx0SIPdfZHwA9Ulhj7d99 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Cc: Arnd Bergmann , Olof Johansson , "maintainer:ARM AND ARM64 SoC SUB-ARCHITECTURES (COMMON PARTS)" , Rob Herring , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." , "moderated list:ARM AND ARM64 SoC SUB-ARCHITECTURES (COMMON PARTS)" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" References: <20220209162515.706729-1-detlev.casanova@collabora.com> <20220209162515.706729-3-detlev.casanova@collabora.com> From: Stefan Wahren Autocrypt: addr=stefan.wahren@i2se.com; keydata= LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tClZlcnNpb246IEdudVBHIHYy CgptUUlOQkZ0NmdCTUJFQUN1Yi9wQmV2SHhidkplZnlaRzMySklObW4yYnNFUFgyNVY2ZmVq bXlZd21DR0tqRnRMCi9Eb1VNRVZIRHhDSjQ3Qk1YbzM0NGZIVjFDM0FudWRnTjFCZWhMb0J0 TEh4bW5lQ3pnSDNLY1B0V1c3cHRqNEcKdEp2OUNRRFp5MjdTS29FUHh5YUk4Q0YweWdSeEpj 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MR-646709E3 X-CRM114-CacheID: sfid-20220209_091023_637774_7EF5D00E X-CRM114-Status: GOOD ( 22.12 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Detlev, Am 09.02.22 um 17:25 schrieb Detlev Casanova: > Add a device tree to support the official Raspberrypi 7" touchscreen for > the Raspberry Pi 4 B > > The panel is connected on the DSI 1 port and uses the simple-panel > driver. > > The device tree also makes sure to activate: > * dvp: bcm2711 clock driver > * hvs: Hardware Video Scaler > * pixelvalve[0-4]: CRTC modules > * txp: CRTC Writeback > > Signed-off-by: Detlev Casanova > --- > arch/arm/boot/dts/Makefile | 1 + > .../boot/dts/bcm2711-rpi-4-b-7inch-ts-dsi.dts | 129 ++++++++++++++++++ > arch/arm64/boot/dts/broadcom/Makefile | 1 + > .../broadcom/bcm2711-rpi-4-b-7inch-ts-dsi.dts | 2 + > 4 files changed, 133 insertions(+) > create mode 100644 arch/arm/boot/dts/bcm2711-rpi-4-b-7inch-ts-dsi.dts > create mode 100644 arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b-7inch-ts-dsi.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 0de64f237cd8..b46daf2df4ce 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -94,6 +94,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ > bcm2837-rpi-cm3-io3.dtb \ > bcm2711-rpi-400.dtb \ > bcm2711-rpi-4-b.dtb \ > + bcm2711-rpi-4-b-7inch-ts-dsi.dtb \ > bcm2711-rpi-cm4-io.dtb \ > bcm2835-rpi-zero.dtb \ > bcm2835-rpi-zero-w.dtb > diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b-7inch-ts-dsi.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b-7inch-ts-dsi.dts > new file mode 100644 > index 000000000000..62e986358c2a > --- /dev/null > +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b-7inch-ts-dsi.dts i think this should be an overlay because this board can be connected to different boards and we want to avoid copy & paste. Unfortunately i don't know where this should be stored in the kernel tree. > @@ -0,0 +1,129 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include "bcm2711-rpi-4-b.dts" > + > +/ { > + model = "Raspberry Pi 4 Model B + Rpi 7inch touchscreen"; > + > + panel_disp1: panel_disp1@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: reg_bridge@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 { > + ft5406: ts@38 { s/ts/touchscreen/ > + 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: reg_display@45 { node name should be regulator > + compatible = "raspberrypi,7inch-touchscreen-panel-regulator"; > + reg = <0x45>; > + gpio-controller; > + #gpio-cells = <2>; > + status = "okay"; > + }; > + > +}; > + > +&dsi1 { > + #address-cells = <1>; > + #size-cells = <0>; > + status = "okay"; > + > + port { > + dsi_out: endpoint { > + remote-endpoint = <&bridge_in>; > + }; > + }; > + > + bridge@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>; > + }; > + }; > + }; > + }; > +}; > + > +&aon_intr { > + status = "okay"; > +}; > + > +&dvp { > + status = "okay"; > +}; > + > +&hvs { > + status = "okay"; > +}; >From my understanding these three are not necessary > + > +&pixelvalve0 { > + status = "okay"; > +}; > + > +&pixelvalve1 { > + status = "okay"; > +}; > + > +&pixelvalve2 { > + status = "okay"; > +}; > + > +&pixelvalve3 { > + status = "okay"; > +}; > + > +&pixelvalve4 { > + status = "okay"; > +}; > + > +&txp { > + status = "okay"; > +}; Also txp doesn't need to be enabled explicit. Best regards > diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile > index c6882032a428..965361bff829 100644 > --- a/arch/arm64/boot/dts/broadcom/Makefile > +++ b/arch/arm64/boot/dts/broadcom/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \ > bcm2711-rpi-4-b.dtb \ > + bcm2711-rpi-4-b-7inch-ts-dsi.dtb \ > bcm2711-rpi-cm4-io.dtb \ > bcm2837-rpi-3-a-plus.dtb \ > bcm2837-rpi-3-b.dtb \ > diff --git a/arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b-7inch-ts-dsi.dts b/arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b-7inch-ts-dsi.dts > new file mode 100644 > index 000000000000..c325adc4f874 > --- /dev/null > +++ b/arch/arm64/boot/dts/broadcom/bcm2711-rpi-4-b-7inch-ts-dsi.dts > @@ -0,0 +1,2 @@ > +// SPDX-License-Identifier: GPL-2.0 > +#include "arm/bcm2711-rpi-4-b-7inch-ts-dsi.dts" _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel