From patchwork Tue Sep 28 17:12:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephan Gerhold X-Patchwork-Id: 12523321 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B296AC4321E for ; Tue, 28 Sep 2021 17:21:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 993156127C for ; Tue, 28 Sep 2021 17:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242051AbhI1RXW (ORCPT ); Tue, 28 Sep 2021 13:23:22 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([81.169.146.170]:13682 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242014AbhI1RXV (ORCPT ); Tue, 28 Sep 2021 13:23:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1632849688; s=strato-dkim-0002; d=gerhold.net; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=Vt28A8btSKr+qswJd0U4CAoaAGGfqbbYx3A/RZjLeJY=; b=fJHWfS6iFnoy2NnnEmyGghTIRsITPwDjRPE8mM+ltjtwTAggECEWYzLlXW5KXDNMCW bswomA2p2nlUwdNPAbUDlx/YYPpdPJjtp4fUrCzAEl7fl8Fk8fiGb5CvuZkf/xzC+wdc ckuc9BuxpVJPMr1R5HeGZjLcjfDjz55oYYf2f0Y55hoiDAma3Y85AL5lwaJwpp0q/VVC Vw7k6AHXx/JZk6T4CMRmkhROT/yo9CAIf4qvdTPAgoc7XhobFrVjYnnQ6g7yFbfS2fO8 FoXVL90B6/3iW/p0dTGV8vQV9qX9LzrmPrEp5nwd0YnKmEEskh1zEfn2J95bRqtNgb/1 moDg== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVORvLd4SsytBXTbAOHjRHIhr3eFSKSxc=" X-RZG-CLASS-ID: mo00 Received: from droid.. by smtp.strato.de (RZmta 47.33.8 DYNA|AUTH) with ESMTPSA id 301038x8SHLRoBJ (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Tue, 28 Sep 2021 19:21:27 +0200 (CEST) From: Stephan Gerhold To: Bjorn Andersson Cc: Andy Gross , linux-arm-msm@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Stephan Gerhold Subject: [PATCH 03/15] arm64: dts: qcom: msm8916-samsung-serranove: Add touch key Date: Tue, 28 Sep 2021 19:12:19 +0200 Message-Id: <20210928171231.12766-4-stephan@gerhold.net> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210928171231.12766-1-stephan@gerhold.net> References: <20210928171231.12766-1-stephan@gerhold.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add the CORERIVER TC360 touch key together with the two necessary fixed regulators for it. Note that for some reason Samsung decided to connect this to GPIOs where no hardware I2C bus is available, so we need to fall back to software bit-banging using i2c-gpio. Signed-off-by: Stephan Gerhold --- .../dts/qcom/msm8916-samsung-serranove.dts | 87 +++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts index 214a863eedbf..6689687f544f 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts @@ -91,6 +91,32 @@ reg_vdd_tsp: regulator-vdd-tsp { pinctrl-0 = <&tsp_en_default>; }; + reg_touch_key: regulator-touch-key { + compatible = "regulator-fixed"; + regulator-name = "touch_key"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + + gpio = <&msmgpio 86 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&tkey_en_default>; + }; + + reg_key_led: regulator-key-led { + compatible = "regulator-fixed"; + regulator-name = "key_led"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&msmgpio 60 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&tkey_led_en_default>; + }; + i2c-muic { compatible = "i2c-gpio"; sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; @@ -113,6 +139,35 @@ muic: extcon@14 { pinctrl-0 = <&muic_irq_default>; }; }; + + i2c-tkey { + compatible = "i2c-gpio"; + sda-gpios = <&msmgpio 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + scl-gpios = <&msmgpio 17 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + + pinctrl-names = "default"; + pinctrl-0 = <&tkey_i2c_default>; + + #address-cells = <1>; + #size-cells = <0>; + + touchkey@20 { + compatible = "coreriver,tc360-touchkey"; + reg = <0x20>; + + interrupt-parent = <&msmgpio>; + interrupts = <98 IRQ_TYPE_EDGE_FALLING>; + + vcc-supply = <®_touch_key>; + vdd-supply = <®_key_led>; + vddio-supply = <&pm8916_l6>; + + linux,keycodes = ; + + pinctrl-names = "default"; + pinctrl-0 = <&tkey_default>; + }; + }; }; &blsp_i2c5 { @@ -333,6 +388,38 @@ muic_irq_default: muic-irq-default { bias-disable; }; + tkey_default: tkey-default { + pins = "gpio98"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + + tkey_en_default: tkey-en-default { + pins = "gpio86"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + + tkey_i2c_default: tkey-i2c-default { + pins = "gpio16", "gpio17"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + + tkey_led_en_default: tkey-led-en-default { + pins = "gpio60"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + tsp_en_default: tsp-en-default { pins = "gpio73"; function = "gpio";