From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ixit.cz (ixit.cz [84.42.129.46]) (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 B44181DDC37; Fri, 21 Aug 2026 12:41:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=84.42.129.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787316117; cv=none; b=t6ctHKX5Z3tROoixSNTGvN8BcIJR8T5dmo4+Ao4ROCoAUdKOAvPBSuChCD3uVdIodBifmV4rr7ZYOpswmSrS1azPA3MBEJ0XR3y3i78A+sm6BSb346P86wy1bJMHyzhlO0SpMMMVsXuK9SC0UFVhGmkDE0uPkiO3jXgHkvee3a0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787316117; c=relaxed/simple; bh=ItdycJ0ClGLmGAAxgcnNOFaBBg4+WVmTrXEZmhqOJa4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sV8MUNu/ACBR0KUgHp/QKsWhOTtRNuvxvyaGpPjsLX2qJAOuub7S4JSqn4OXq+ko5/S3hGW8xymTKRiZ64gp5sGbVOEg9WAR2JA0GZkDyWfjk2q900pyVwXbog+tyCkawpPO/myXBh0XsFQRfeaiGQtQDv9HRsIx47BHDnmDYOo= ARC-Authentication-Results:i=1; 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bh=opLLXtL6IndG/zAcxQ0YK5eXgU6TXGyQYECW5sFzucE=; b=m0iFc3kwOK0vrh5GavBCd2/xCO86rdkW6iqtm8XHHl4wNPdWRSiY7OV8LuvTJ79GU0Go0b /rO4jF02GT+IBPECDu6dxpR3uq16YRf4BczMMeWbM32T0MjroCSY1zs7b31vbBZZvvQjA5 DcCNecUdo/dIbitfW2l1pJ+yElFuEvE= Message-ID: Date: Fri, 21 Aug 2026 14:41:46 +0200 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm7225-fairphone-fp4: Enable touchscreen To: Luca Weiss , Job Noorman , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Bjorn Andersson , Konrad Dybcio Cc: phone-devel@vger.kernel.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260821-fp4-hx83112a-v1-0-474941bd8860@fairphone.com> <20260821-fp4-hx83112a-v1-3-474941bd8860@fairphone.com> Content-Language: en-US, cs-CZ From: David Heidelberg Autocrypt: addr=david@ixit.cz; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 21/08/2026 09:12, Luca Weiss wrote: > Add a node and pinctrl for the Himax HX83112A touchscreen found on this > phone. > > Signed-off-by: Luca Weiss > --- > arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 21 ++++++++++++++++++++- > 1 file changed, 20 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts > index 23f950067a08..ff609f7e1796 100644 > --- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts > +++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts > @@ -626,7 +626,19 @@ &i2c8 { > clock-frequency = <400000>; > status = "okay"; > > - /* HX83112A touchscreen @ 48 */ > + touchscreen@48 { > + compatible = "himax,hx83112a"; > + reg = <0x48>; > + > + interrupts-extended = <&tlmm 22 IRQ_TYPE_EDGE_FALLING>; > + reset-gpios = <&tlmm 21 GPIO_ACTIVE_LOW>; > + > + touchscreen-size-x = <1080>; > + touchscreen-size-y = <2340>; > + > + pinctrl-0 = <&touchscreen_default>; > + pinctrl-names = "default"; > + }; > }; > > &i2c10 { > @@ -1117,6 +1129,13 @@ platform { > &tlmm { > gpio-reserved-ranges = <13 4>, <56 2>; > > + touchscreen_default: touchscreen-default-state { > + pins = "gpio21", "gpio22"; I guess you could use here irq-pins {}, reset-pins {}, but with or without change, Reviewed-by: David Heidelberg > + function = "gpio"; > + drive-strength = <8>; > + bias-pull-up; > + }; > + > qup_uart1_sleep_cts: qup-uart1-sleep-cts-state { > pins = "gpio61"; > function = "gpio"; >