From patchwork Tue Jun 15 10:30:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12321085 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLACK, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C25E3C48BDF for ; Tue, 15 Jun 2021 10:31:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD41061417 for ; Tue, 15 Jun 2021 10:31:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231706AbhFOKdl (ORCPT ); Tue, 15 Jun 2021 06:33:41 -0400 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:46333 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231742AbhFOKdk (ORCPT ); Tue, 15 Jun 2021 06:33:40 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailnew.nyi.internal (Postfix) with ESMTP id 42CB058087B; Tue, 15 Jun 2021 06:31:36 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Tue, 15 Jun 2021 06:31:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=Vf0wsGrxQl7PO FKknrVYsjnKqkwGq57jfcRRmr9lURs=; b=IOnDx5sHciTrI+oIB47WVhPqMQXo2 bVBMcb8pwF5h3PpsI1QUeSf8fjZDroIaTUxyE1YBnB/vDTtX5qyTkFSi03UOeF0/ OZCf3njstVRf83+ibkCRu34dObYJXHEkMwM7gFy7/d9zN4F5zEAmTQtmbMk8Tvxw Is0YRvwW84r2iK9j83tTmpCI5IwjKJdzoo+nBymsJELd09pqvbqy5NVohE99/zn3 KbLBkWXaXVM13rLOKBfqG9wr+JDvY4ilUV+SHeDJ6lKtFRbItpYBJpf5zMDsfV5l PvaCufXzLnW85tKO4t+YWRvU2GxbEQt3a9ikXlgUd1VSY7dMro/TESzXg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=Vf0wsGrxQl7POFKknrVYsjnKqkwGq57jfcRRmr9lURs=; b=Wz1EhSGd AMypqY+fxqr3mk0BhYtXjCCVfgVAin1UohWQbvunkbp1UquNgEYJbtMa+6o8b7Tb zajsBK1CCBiUD6gj9WyHVY99XQ64eWb4txhdtPJ5hHafXDPK8R9XD/1R+YS/M6oV 16Q353KIPLd8lofIwUFX6sFuH6z0vnSoniSXTC5/IrtME0kbYDXLaPbKV7HccvvO IaUb1708Sl3FgFX6NTQoyZ2Y9hbrtHfbpcYsWMsvppCRA5cI3Oxj7NgymUvmLB1p A8z+04oKJPtHvf82JcdWeXUWj4vZpIp0sbrx3MMweNqli+oMaaWpbaF6VCt3uPZl Y/reHzxky1WbWQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrfedvjedgvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeeggedtteejke eggeeugfehueevudegvdetjeeviedugedvtdekffekhedtteduhfenucevlhhushhtvghr ufhiiigvpedvnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishhtrghirhesrghlih hsthgrihhrvdefrdhmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 15 Jun 2021 06:31:31 -0400 (EDT) From: Alistair Francis To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.d, pinglinux@gmail.com, tatsunosuke.tobita@wacom.com, junkpainting@gmail.com, ping.cheng@wacom.com Cc: linux-kernel@vger.kernel.org, alistair23@gmail.com, Alistair Francis Subject: [PATCH v6 9/9] ARM: dts: imx7d: remarkable2: add wacom digitizer device Date: Tue, 15 Jun 2021 20:30:14 +1000 Message-Id: <20210615103014.798-10-alistair@alistair23.me> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210615103014.798-1-alistair@alistair23.me> References: <20210615103014.798-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Enable the wacom_i2c touchscreen for the reMarkable2. Signed-off-by: Alistair Francis --- arch/arm/boot/dts/imx7d-remarkable2.dts | 61 +++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts index 7eebcd7f23bb..35262c60f015 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -34,6 +34,19 @@ reg_brcm: regulator-brcm { startup-delay-us = <150>; }; + reg_digitizer: regulator-digitizer { + compatible = "regulator-fixed"; + regulator-name = "VDD_3V3_DIGITIZER"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_digitizer_reg>; + pinctrl-1 = <&pinctrl_digitizer_reg>; + gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + startup-delay-us = <100000>; /* 100 ms */ + }; + wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; pinctrl-names = "default"; @@ -51,6 +64,28 @@ &clks { assigned-clock-rates = <0>, <32768>; }; +&i2c1 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + wacom_digitizer: digitizer@9 { + compatible = "wacom,i2c-30"; + reg = <0x09>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wacom>; + interrupt-parent = <&gpio1>; + interrupts = <1 IRQ_TYPE_EDGE_FALLING>; + flip-tilt-x; + flip-tilt-y; + flip-pos-x; + flip-pos-y; + flip-distance; + vdd-supply = <®_digitizer>; + }; +}; + &snvs_pwrkey { status = "okay"; }; @@ -118,6 +153,25 @@ &wdog1 { fsl,ext-reset-output; }; +&iomuxc_lpsr { + pinctrl_digitizer_reg: digitizerreggrp { + fsl,pins = < + /* DIGITIZER_PWR_EN */ + MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x14 + >; + }; + + pinctrl_wacom: wacomgrp { + fsl,pins = < + /*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x00000014 /* FWE */ + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x00000074 /* PDCTB */ + MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00000034 /* WACOM INT */ + /*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x00000014 /* WACOM PWR ENABLE */ + /*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x00000074 /* WACOM RESET */ + >; + }; +}; + &iomuxc { pinctrl_brcm_reg: brcmreggrp { fsl,pins = < @@ -126,6 +180,13 @@ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x14 >; }; + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f + MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79