From nobody Thu Dec 18 20:35:34 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5752D218AAB; Wed, 26 Feb 2025 14:35:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740580555; cv=none; b=C6RqKwteH8KHYYDdOO8aIn/WGsCT1pmGBw9CqwUMht/EGSdbC4U/2u9nlU2VrrqZMAoKYJn7Ujq0Yx6IAhRYK5mdeGWJpJ1tyE81CsXrEwLVXFIPY+OEjPGJ6nOH2DUiG5isKEnZ2lLomJJrR6sIzkjmj1mLC+I54ULg3yri1dY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740580555; c=relaxed/simple; bh=oeoroF8KNenaCDMp30ILoE7NYXjjtAHcEZu1+5jM4O8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=X7kWNMvX52mScoKPg2eIIL3MYBr6Q9PwNUlboL1zk4AmnBiCecTN0/tn8JLtzA6uuotQsHy/noiWF3AxY+d/i+EA7qC7sTPMcUIHlWugml4zKdkkJ557ul29/zo+h0r5nREdQuCojIrhlQRzx+oVpnGyKQZsy/UECmLf9Y5Cf8I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=bGopM7t9; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="bGopM7t9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1740580551; bh=oeoroF8KNenaCDMp30ILoE7NYXjjtAHcEZu1+5jM4O8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=bGopM7t9Gc+tPxRmLZVTAumruwzXbteqxFjJKpPdKvv+Jf5Tw+XQ1AqiajK3AB0sU 2G37BPuqSvukYP3muFbN5L5++T7VDyUa9HRW3w4SbohrCZHGZQSvHqemrg3eBG8EyI gOkdbUiK19AWfxmOcvbtTtt9z+pvyGUGWNGHYKYSybKeWmR/TruUA3wN1WxEWSJh1f nJZiQL2DN4yQBTsT+HKdpWRDUy9ibb6rnNoSWv/uSa5TXlqp/qq8LEkz98wOpEzj5p Cj3V6krk8DcsK1z6AOBcvjlfwmQCJ0uuQaqNmNiI/Dnizi8YoXjpqt/XA78TG4cOEt xA72VdZhwzxQg== Received: from apertis-1.home (2a01cb088CcA73006086F5F072c6a07a.ipv6.abo.wanadoo.fr [IPv6:2a01:cb08:8cca:7300:6086:f5f0:72c6:a07a]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: jmassot) by bali.collaboradmins.com (Postfix) with ESMTPSA id 0DFD617E05EA; Wed, 26 Feb 2025 15:35:51 +0100 (CET) From: Julien Massot Date: Wed, 26 Feb 2025 15:35:27 +0100 Subject: [PATCH 1/2] arm64: dts: mediatek: mt8395-nio-12l: Prepare MIPI DSI port Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250226-radxa-panel-overlay-v1-1-9e8938dfbead@collabora.com> References: <20250226-radxa-panel-overlay-v1-0-9e8938dfbead@collabora.com> In-Reply-To: <20250226-radxa-panel-overlay-v1-0-9e8938dfbead@collabora.com> To: kernel@collabora.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, Julien Massot X-Mailer: b4 0.14.2 This board can use a MIPI-DSI panel on the DSI0 connector: in preparation for adding an overlay for the Radxa Display 8HD, add a pipeline connecting VDOSYS0 components to DSI0. Also add the backlight, and some pin definitions available through the DSI0 port. Signed-off-by: Julien Massot --- .../boot/dts/mediatek/mt8395-radxa-nio-12l.dts | 60 ++++++++++++++++++= ++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts b/arch/a= rm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts index 7184dc99296c7f5d749c7e6d378722677970b3b7..65c77e43d1cd4913b6741e25130= febd746ff753c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts +++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts @@ -48,6 +48,17 @@ memory@40000000 { reg =3D <0 0x40000000 0x1 0x0>; }; =20 + backlight: backlight { + compatible =3D "pwm-backlight"; + brightness-levels =3D <0 1023>; + default-brightness-level =3D <576>; + enable-gpios =3D <&pio 107 GPIO_ACTIVE_HIGH>; + num-interpolated-steps =3D <1023>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&dsi0_backlight_pins>; + pwms =3D <&disp_pwm0 0 500000>; + }; + wifi_vreg: regulator-wifi-3v3-en { compatible =3D "regulator-fixed"; regulator-name =3D "wifi_3v3_en"; @@ -499,9 +510,20 @@ &mt6359_vsram_others_ldo_reg { regulator-max-microvolt =3D <750000>; }; =20 +&ovl0_in { + remote-endpoint =3D <&vdosys0_ep_main>; +}; + &pio { mediatek,rsel-resistance-in-si-unit; =20 + dsi0_backlight_pins: dsi0-backlight-pins { + pins-backlight-en { + pinmux =3D ; + output-high; + }; + }; + eth_default_pins: eth-default-pins { pins-cc { pinmux =3D , @@ -699,6 +721,13 @@ pins-irq { }; }; =20 + panel_default_pins: panel-pins { + pins-rst { + pinmux =3D ; + bias-pull-up; + }; + }; + pcie0_default_pins: pcie0-default-pins { pins-bus { pinmux =3D , @@ -717,6 +746,12 @@ pins-bus { }; }; =20 + pwm0_default_pins: pwm0-pins { + pins-disp-pwm { + pinmux =3D ; + }; + }; + spi1_pins: spi1-default-pins { pins-bus { pinmux =3D , @@ -737,6 +772,19 @@ pins-bus { }; }; =20 + touch_pins: touch-pins { + pins-touch-int { + pinmux =3D ; + input-enable; + bias-disable; + }; + + pins-touch-rst { + pinmux =3D ; + output-high; + }; + }; + uart0_pins: uart0-pins { pins-bus { pinmux =3D , @@ -912,6 +960,18 @@ &ssusb2 { status =3D "okay"; }; =20 +&vdosys0 { + port { + #address-cells =3D <1>; + #size-cells =3D <0>; + + vdosys0_ep_main: endpoint@0 { + reg =3D <0>; + remote-endpoint =3D <&ovl0_in>; + }; + }; +}; + &xhci0 { vbus-supply =3D <&otg_vbus_regulator>; status =3D "okay"; --=20 2.48.1 From nobody Thu Dec 18 20:35:34 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F301B21C9E7; Wed, 26 Feb 2025 14:35:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740580555; cv=none; b=Eyya6EzITsxUG3UdaJbwd8VX+cb4/x1mx2hhKs9AcRTVqTO88lS1//OlW2dl0FR6Z+JzpHMuS78qQXdbtTDV7LMw7+/LPAlKiveEDgIyMwUZpeIfaDy6xKPPIAWOa80bK0zh4mSd6cWbat3afyldXJfQI+2SQXccL4eYnCaLFUM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740580555; c=relaxed/simple; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250226-radxa-panel-overlay-v1-2-9e8938dfbead@collabora.com> References: <20250226-radxa-panel-overlay-v1-0-9e8938dfbead@collabora.com> In-Reply-To: <20250226-radxa-panel-overlay-v1-0-9e8938dfbead@collabora.com> To: kernel@collabora.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, Julien Massot X-Mailer: b4 0.14.2 The Radxa 8 HD touchscreen can be used with various Radxa board and is sold appart from the Radxa NIO 12L development kit. Add a DTS overlay for this panel. Signed-off-by: Julien Massot --- arch/arm64/boot/dts/mediatek/Makefile | 2 + .../mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso | 64 ++++++++++++++++++= ++++ 2 files changed, 66 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/me= diatek/Makefile index ae1147eca9a915f117487101e2ad4acead97adfe..58484e8300632edbdef24bbda33= ccf00db9df937 100644 --- a/arch/arm64/boot/dts/mediatek/Makefile +++ b/arch/arm64/boot/dts/mediatek/Makefile @@ -100,9 +100,11 @@ dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8395-genio-1200-evk= .dtb dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8390-genio-700-evk.dtb dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8395-kontron-3-5-sbc-i1200.dtb dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8395-radxa-nio-12l.dtb +dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8395-radxa-nio-12l-8-hd-panel.dtbo dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt8516-pumpkin.dtb =20 # Device tree overlays support DTC_FLAGS_mt7986a-bananapi-bpi-r3 :=3D -@ DTC_FLAGS_mt7986a-bananapi-bpi-r3-mini :=3D -@ DTC_FLAGS_mt7988a-bananapi-bpi-r4 :=3D -@ +DTC_FLAGS_mt8395-radxa-nio-12l :=3D -@ diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.d= tso b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso new file mode 100644 index 0000000000000000000000000000000000000000..5d633f61a62c3175fbfa133f3ea= 5b1a6a0b0fec5 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Radxa Display 8 HD touchscreen module + * Copyright (C) 2025 Collabora Ltd. + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&dsi0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + panel@0 { + compatible =3D "radxa,display-8hd-ad002", "jadard,jd9365da-h3"; + reg =3D <0>; + backlight =3D <&backlight>; + vdd-supply =3D <&mt6359_vcn33_2_bt_ldo_reg>; + vccio-supply =3D <&mt6360_ldo2>; + reset-gpios =3D <&pio 108 GPIO_ACTIVE_LOW>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&panel_default_pins>; + + port { + dsi_panel_in: endpoint { + remote-endpoint =3D <&dsi0_out>; + }; + }; + }; +}; + +&disp_pwm0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pwm0_default_pins>; + status =3D "okay"; +}; + +&dsi0_out { + remote-endpoint =3D <&dsi_panel_in>; +}; + +&mipi_tx0 { + status =3D "okay"; +}; + +&i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + touchscreen@14 { + compatible =3D "goodix,gt911"; + reg =3D <0x14>; + interrupts-extended =3D <&pio 132 IRQ_TYPE_EDGE_RISING>; + irq-gpios =3D <&pio 132 GPIO_ACTIVE_HIGH>; + reset-gpios =3D <&pio 133 GPIO_ACTIVE_HIGH>; + VDDIO-supply =3D <&mt6359_vcn33_2_bt_ldo_reg>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&touch_pins>; + }; +}; --=20 2.48.1