From patchwork Tue Apr 23 13:46:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13640124 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.subspace.kernel.org (Postfix) with ESMTPS id 77F9213667A; Tue, 23 Apr 2024 13:46:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713880012; cv=none; b=hU87AspLKP8PZFEVEFfwsqU3F8kuP72j4fQQI1jgwMvBLVe8jPrLpMjc7NeRcl3wMetPpGhgphMQ7l9p6lzGOHVbQoCx8wNHgjVxDYCNL2e3NU+uEPFd3okXDMUkPM6kyW/JQSB1v9Tohu5pOLVSvBkzFcu/4a8RzH6VNf/IUTs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713880012; c=relaxed/simple; bh=FHGWR5/JvEtSCzN6BsDdKdt7AWKO+kzD4nDxcEDqLvU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J++itqmysfPFJ71QZ4YX4prt2VbhZ+m+oPIRP9pEdCo+Abk/+mvcUjtHTYj6N0qdr8UzEKdAmQ38dbTZtY/66YgOy6nTqx8jmknHTUmz/Uv3sQqGUwNN9Rx3hbO9n6c5yOwdwMMbnckPU0XL7PRwjbHYBD4rG8E4ejpXpDkU0xE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TcOuIMN0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TcOuIMN0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0040EC2BD11; Tue, 23 Apr 2024 13:46:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713880012; bh=FHGWR5/JvEtSCzN6BsDdKdt7AWKO+kzD4nDxcEDqLvU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TcOuIMN0CqoaXi3/V2LwYASFmAqpQusYdaqjCht1rNbKaKdoHyb/xtCP2qxs6KdGf drEZWKY9InbjAkL09UA4vLBeSATWd4re35fpgpe8mWH5bsfO9E5VQ/J2GF7fmmmZAU poRg18vFbjCf1GZaMq5uFpuNzbXTzjsLyBWlkbtuHgZx2EokmSfrAbBokFakDR8ZOt K41RktY3rTo1IoMB+BrEmmtehXkz9JJcWDZAokledObRM9eB5osZzNvN9NO2rEDe05 2CIn0EAfyckVoXedQCAcz5cOKkpoIl6S2i5DYa6NGLMfJIE/SyQGnkXhXkCQ6/sSRa Tm169E7DhEQew== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1rzGTy-000000008Ko-1mxx; Tue, 23 Apr 2024 15:46:50 +0200 From: Johan Hovold To: Jiri Kosina , Benjamin Tissoires Cc: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Linus Walleij , Douglas Anderson , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH 5/6] arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on Date: Tue, 23 Apr 2024 15:46:10 +0200 Message-ID: <20240423134611.31979-6-johan+linaro@kernel.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240423134611.31979-1-johan+linaro@kernel.org> References: <20240423134611.31979-1-johan+linaro@kernel.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The Elan eKTH5015M touch controller on the X13s requires a 300 ms delay before sending commands after having deasserted reset during power on. Switch to the Elan specific binding so that the OS can determine the required power-on sequence and make sure that the controller is always detected during boot. Note that the always-on 1.8 V supply (s10b) is not used by the controller directly and should not be described. Fixes: 32c231385ed4 ("arm64: dts: qcom: sc8280xp: add Lenovo Thinkpad X13s devicetree") Cc: stable@vger.kernel.org # 6.0 Signed-off-by: Johan Hovold --- .../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index b220ba4fba23..e27c8a21125c 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -674,15 +674,16 @@ &i2c4 { status = "okay"; - /* FIXME: verify */ touchscreen@10 { - compatible = "hid-over-i2c"; + compatible = "elan,ekth5015m", "elan,ekth6915"; reg = <0x10>; - hid-descr-addr = <0x1>; interrupts-extended = <&tlmm 175 IRQ_TYPE_LEVEL_LOW>; - vdd-supply = <&vreg_misc_3p3>; - vddl-supply = <&vreg_s10b>; + reset-gpios = <&tlmm 99 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>; + no-reset-on-power-off; + + vcc33-supply = <&vreg_misc_3p3>; + vccio-supply = <&vreg_misc_3p3>; pinctrl-names = "default"; pinctrl-0 = <&ts0_default>; @@ -1637,8 +1638,8 @@ int-n-pins { reset-n-pins { pins = "gpio99"; function = "gpio"; - output-high; - drive-strength = <16>; + drive-strength = <2>; + bias-disable; }; };