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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-379569b8389sm25064441eec.25.2026.11.14.01.13.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Nov 2026 01:13:56 -0800 (PST) From: Vishnu Saini Date: Sat, 14 Nov 2026 14:43:13 +0530 Subject: [PATCH v2] arm64: dts: qcom: monaco-arduino-monza: Add Waveshare 8" DSI touch overlay X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261114-monza_waveshare_dtso-v2-1-d35703f59832@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIACgm+GoC/22NzQ6CMBCEX4Xs2ZK2Eks9+R6GkBUWaSJUu1h/C O9uJfHmZZJvkvlmBqbgiGGfzRAoOnZ+TKA3GTQ9jmcSrk0MWuqdUkqLwY9vrB8YiXsMVLcTe2E 7a7dFZxCNgTS9Burcc9Ueq8S948mH1/oS1bf9CYv/wqiEEsXJNKUkK0mWB8+c3+54afww5CmgW pblAw4IPHi/AAAA X-Change-ID: 20261112-monza_waveshare_dtso-9f9934f7aa77 To: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang , Shashank Maurya , Vishnu Saini X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1794647632; l=5398; i=vishnu.saini@oss.qualcomm.com; s=20251113; h=from:subject:message-id; bh=QJnv+9j+xeKETkhxss/zxqn/Hkz39sKT6s3H5bDR/xM=; b=7EbU21EMugvrQ127kLN+B4I/QzKM3fzKmUjqjODe/Qn7/z04/JqPW+ndakTpX3pxowhUc86Dw X6ll460qcT8D4PeM29C2ycoWZdSqjTLMWPnlETM6tAe1kVRS5PrY5Te X-Developer-Key: i=vishnu.saini@oss.qualcomm.com; a=ed25519; pk=8hlXlF8j/3GeOaDK3w2LYhkv9FanCQru0c7kRH/It7k= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTE0MDAzNiBTYWx0ZWRfX2CGdJxvyy8zq B8djHIVEOgCSt5YXZvub8hjdoBvITdan5DB0Cn6vCDlQ2qkrVH6yn0rZ7Ne5sfuHnx+MXp/nrQu /duB7EzuUSINCak9vgZ/NZYuN7UgC4yCP3cgYRw+ACs0hVSR7SpYYW/Zv+zLIeKJ+Cg1Huyn8S9 qg/Nb+WrwcSrUBWcdhoaAHxDg8HULlegX3xyxn6d148n9DeBbf4ZW/zvoAqrETQ/mVBMw05SLMl eiKtY9Jr82MIoPyRJ2kzpggprINdYPKmi9eWVfRhmDHWfH3ektZ8cEGDYTvg5dEIUU4NLU4PmUR Ez2M68jsVnlf5ap3qaWtRUFK9alAwpTDg7JNoluhGVydwtdjdP+jC+YPwHN2wNS7PVgxsdGkdvz PSDlLn3Gfrd1jG4Tqb5jMRU3jMYL4nppjA/gQWxcLqfxvfqHBbk1zu3esJDpwc89NVez0YfDlvp +hUy9hWgBhFt+un5kZA== X-Proofpoint-ORIG-GUID: syf7TzboIJ2CgDGYfWJDR0LI5Buvas2u X-Proofpoint-GUID: syf7TzboIJ2CgDGYfWJDR0LI5Buvas2u X-Proofpoint-Spam-Info: AW1haW4tMjYxMTE0MDAzNiBTYWx0ZWRfX1DA2ZK8omCfM SdiIdne9imzEkcXFBKhAj6J15X6sxFUI9YCZUFUNjs3S2yGEFszdOz8XK9ZabPVkJxKqp243H5Z 9SBWzpIcSQaWCRwDa2ffQUfLKpZCBzg= X-Authority-Analysis: v=2.4 cv=X9rHu2Te c=1 sm=1 tr=0 ts=6af82656 cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=Nv6N7q-ZXT1aBYzplkoA:9 a=QEXdDO2ut3YA:10 a=PxkB5W3o20Ba91AHUih5:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-14_02,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 adultscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611140036 The JMEDIA carrier card can be mounted on the Qualcomm Monaco Arduino Monza platform and provides a 22-pin DSI0 connector. Add an overlay to enable the Waveshare 8" DSI TOUCH-A kit on DSI0: the Waveshare GPIO expander for panel supplies, resets and backlight, the Goodix GT9271 touch controller, supply regulators and the JD9365DA-based panel. The expander and touch controller are on the CCI0 I2C bus, so enable cci0 for them. DSI0 is shared with the on-board HDMI path, so disable adv7535, the HDMI connector and the hdmi-mi2s-playback-dai-link sound node, which would otherwise wait for the disabled adv7535 codec. HDMI audio is therefore unavailable while the overlay is applied. Add the hdmi_connector and hdmi_mi2s_playback_dai_link labels to the base DTS for this. Co-developed-by: Shashank Maurya Signed-off-by: Shashank Maurya Signed-off-by: Vishnu Saini --- Changes in v2: - Corrected removed redundent mdss_dsi supplies [Sashiko AI] - Updated commit msg as 22-pin connector is on JMEDIA carrier mounted on main board. - Link to v1: https://lore.kernel.org/r/20261114-monza_waveshare_dtso-v1-1-4b7c80e90e08@oss.qualcomm.com --- arch/arm64/boot/dts/qcom/Makefile | 5 ++ ...naco-arduino-monza-waveshare-8-dsi-touch-a.dtso | 94 ++++++++++++++++++++++ arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts | 4 +- 3 files changed, 101 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 8329c06b60a3..331ae62494e5 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -83,6 +83,11 @@ dtb-$(CONFIG_ARCH_QCOM) += monaco-arduino-monza.dtb monaco-arduino-monza-el2-dtbs := monaco-arduino-monza.dtb monaco-el2.dtbo dtb-$(CONFIG_ARCH_QCOM) += monaco-arduino-monza-el2.dtb + +monaco-arduino-monza-waveshare-8-dsi-touch-a-dtbs := monaco-arduino-monza.dtb monaco-el2.dtbo monaco-arduino-monza-waveshare-8-dsi-touch-a.dtbo +dtb-$(CONFIG_ARCH_QCOM) += monaco-arduino-monza-waveshare-8-dsi-touch-a.dtb +dtb-$(CONFIG_ARCH_QCOM) += monaco-arduino-monza-waveshare-8-dsi-touch-a.dtbo + dtb-$(CONFIG_ARCH_QCOM) += monaco-ac-evk.dtb dtb-$(CONFIG_ARCH_QCOM) += monaco-evk.dtb diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza-waveshare-8-dsi-touch-a.dtso b/arch/arm64/boot/dts/qcom/monaco-arduino-monza-waveshare-8-dsi-touch-a.dtso new file mode 100644 index 000000000000..67fbff063955 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza-waveshare-8-dsi-touch-a.dtso @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include + +&{/} { + panel_avdd: regulator-panel-avdd { + compatible = "regulator-fixed"; + regulator-name = "panel-avdd"; + gpios = <&wsgpio 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + panel_iovcc: regulator-panel-iovcc { + compatible = "regulator-fixed"; + regulator-name = "panel-iovcc"; + gpios = <&wsgpio 4 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + regulator-panel-vcc { + compatible = "regulator-fixed"; + regulator-name = "panel-vcc"; + gpios = <&wsgpio 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + }; +}; + +&adv7535 { + status = "disabled"; +}; + +&cci0 { + pinctrl-0 = <&cci0_0_default>; + pinctrl-1 = <&cci0_0_sleep>; + pinctrl-names = "default", "sleep"; + status = "okay"; +}; + +&cci0_i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + wsgpio: gpio@45 { + compatible = "waveshare,dsi-touch-gpio"; + reg = <0x45>; + gpio-controller; + #gpio-cells = <2>; + }; + + touchscreen@5d { + compatible = "goodix,gt9271"; + reg = <0x5d>; + reset-gpios = <&wsgpio 9 GPIO_ACTIVE_HIGH>; + }; +}; + +&hdmi_connector { + status = "disabled"; +}; + +&hdmi_mi2s_playback_dai_link { + status = "disabled"; +}; + +&mdss_dsi0 { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "waveshare,8.0-dsi-touch-a", "jadard,jd9365da-h3"; + reg = <0>; + backlight = <&wsgpio>; + reset-gpios = <&wsgpio 1 GPIO_ACTIVE_LOW>; + vccio-supply = <&panel_iovcc>; + vdd-supply = <&panel_avdd>; + + port { + panel_in: endpoint { + remote-endpoint = <&mdss_dsi0_out>; + }; + }; + }; +}; + +&mdss_dsi0_out { + remote-endpoint = <&panel_in>; +}; diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts index 9ac2a04b302d..f518db091092 100644 --- a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts @@ -51,7 +51,7 @@ button-home { }; }; - hdmi-connector { + hdmi_connector: hdmi-connector { compatible = "hdmi-connector"; label = "hdmi"; type = "a"; @@ -113,7 +113,7 @@ platform { }; }; - hdmi-mi2s-playback-dai-link { + hdmi_mi2s_playback_dai_link: hdmi-mi2s-playback-dai-link { link-name = "HDMI Playback"; codec { --- base-commit: aaa2f954c21b205a0bcd0961e5b2be4e82e58455 change-id: 20261112-monza_waveshare_dtso-9f9934f7aa77 Best regards, -- Vishnu Saini