From patchwork Tue May 7 14:48:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13657276 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 981F9160785; Tue, 7 May 2024 14:48:50 +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=1715093330; cv=none; b=NJC0Qo1TFB8mhH73pCwj/UJv0XPx9OfdkrbCoLUnt82KPSe6nyAYBehu74X7Pad8O/8pYzFWV36cwr77YkL4kSRrhejkXi6nLfBz8rIGGpcyRoiiFYWwkrRsnt8czK7khxT55livPHb8Qg6qcJQldEJEMEh1it+zwMHJCLSGXzY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715093330; c=relaxed/simple; bh=d+flEQr9cxZbb3a6RHKFy4dAh2/qde9+Fg9iSBSS0ig=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BIEEVwoJBDj1e3E+/zg6yRTRU9y4XTH60Aq70lr/2potRMkoq1ncDVAOpBH1S7bVTpTyYE7hylN0ESseW3Q52kGqT5GiCmqS/j4zXwldS6AHDbR1PFNOjLbhriUUks+bisfHY8fb+yXwXFcyYti4aeQlrsZuhbNalqwW7OvvXrA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qd/8ltE8; 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="Qd/8ltE8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B6F5C4AF66; Tue, 7 May 2024 14:48:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715093330; bh=d+flEQr9cxZbb3a6RHKFy4dAh2/qde9+Fg9iSBSS0ig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qd/8ltE86w+ref6wRBvnIlr3iGN4tqq/VrVV/RntiAX2mq8zAteNvcbQz21CPMM3r bLmo0bj0DRiBetCX2YcnzBJ9JK9gV/xwjt+WpCKH83ZFLe1cIRYRsTYC+QeCLmGyGk M/bG8HtvM+LxjtOkXDLgTPutJkXs7yrC2KupFAkfNhz/E4KxXwsKm8kL1YyNQI0vHA 2tuiqb2rhyBQpmctcr8orAr9kiUdYQEP7ek7zlQmVN6MN2pNJra6zQNO2sYwMti2Oy uB9ZP/uG2S/P/Np7PwE+3WYYeZAXXBn6XNpc0CY0bMJyymVrkXbMqAjWi9ESH9QWp6 XmXn8VS7f8Xpg== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1s4M7g-000000003Cw-2jvi; Tue, 07 May 2024 16:48:52 +0200 From: Johan Hovold To: Jiri Kosina , Benjamin Tissoires , Bjorn Andersson Cc: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , 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, Steev Klimaszewski Subject: [PATCH v2 5/7] arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on Date: Tue, 7 May 2024 16:48:19 +0200 Message-ID: <20240507144821.12275-6-johan+linaro@kernel.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240507144821.12275-1-johan+linaro@kernel.org> References: <20240507144821.12275-1-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 Tested-by: Steev Klimaszewski 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 569add4ebfab..98c1b75513be 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -653,15 +653,16 @@ &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>; @@ -1507,8 +1508,8 @@ int-n-pins { reset-n-pins { pins = "gpio99"; function = "gpio"; - output-high; - drive-strength = <16>; + drive-strength = <2>; + bias-disable; }; };