From patchwork Wed Mar 16 15:13:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 551952 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7FF3C433FE for ; Wed, 16 Mar 2022 15:14:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355281AbiCPPPk (ORCPT ); Wed, 16 Mar 2022 11:15:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357224AbiCPPPM (ORCPT ); Wed, 16 Mar 2022 11:15:12 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3876449F3D; Wed, 16 Mar 2022 08:13:45 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id DF5CA1F446A4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1647443623; bh=W2MR9JRQeWd3Gd2gjq9LLXv6OCGWn1HG5Yfu70CzhFo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z8EbRb6+7S3l8ZQ9BS1lCOzIh2eKSg06Y+KAhfn6SXeoJZWKOqdlVwZIVTgOHJwUn OSMsikWLNyZjbrphJYBKnt4OWn40JDFptSEx1n9gD6n9VyBzwLrHcgol2QN1wuJX9F OwtBWun4Sv6A7M+KdLybc1nrq+2QhqOKLAQCTcMSkllJa9Bk/1RSyy6d4ljRX3eUNW O6r8pZuprjZLvr6pIW7ijgPxcZxNlY6tj3xNoj20VovwBYygz/qnPPPhQIEm7KjSat e7vutsa/t0HlPFr9xR3OsMj7tf0SNmFI5tbq486WGzjlc24HTxmlC+vGOJH5xU8LQ+ SudJPEp4spa8g== From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v1 09/10] arm64: dts: mediatek: asurada: Add I2C touchscreen Date: Wed, 16 Mar 2022 11:13:26 -0400 Message-Id: <20220316151327.564214-10-nfraprado@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220316151327.564214-1-nfraprado@collabora.com> References: <20220316151327.564214-1-nfraprado@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org All machines of the Asurada platform have a touchscreen at address 0x10 in the I2C0 bus, but the devices vary: Spherion has the Elan eKTH3500 touchscreen, while Hayato has a generic HID-over-i2c touchscreen. Add common support for the touchscreens on the platform and the specifics in each board file. Signed-off-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno --- .../dts/mediatek/mt8192-asurada-hayato-r1.dts | 7 ++++++ .../mediatek/mt8192-asurada-spherion-r0.dts | 4 +++ .../boot/dts/mediatek/mt8192-asurada.dtsi | 25 +++++++++++++++++++ 3 files changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts index e18e14b13d61..22d187df1428 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts @@ -9,3 +9,10 @@ / { model = "MediaTek Hayato rev1"; compatible = "google,hayato-rev1", "google,hayato", "mediatek,mt8192"; }; + +&touchscreen { + compatible = "hid-over-i2c"; + post-power-on-delay-ms = <10>; + hid-descr-addr = <0x0001>; + vdd-supply = <&pp3300_u>; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts index b5372ce6bd95..20ae4a869c63 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts @@ -11,3 +11,7 @@ / { "google,spherion-rev1", "google,spherion-rev0", "google,spherion", "mediatek,mt8192"; }; + +&touchscreen { + compatible = "elan,ekth3500"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index b911f4fc3038..6e5c2f8fd591 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -92,6 +92,13 @@ &i2c0 { clock-frequency = <400000>; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; + + touchscreen: touchscreen@10 { + reg = <0x10>; + interrupts-extended = <&pio 21 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_pins>; + }; }; &i2c1 { @@ -458,6 +465,24 @@ pins-int-n { mediatek,pull-up-adv = <3>; }; }; + + touchscreen_pins: touchscreen-default-pins { + pins-irq { + pinmux = ; + input-enable; + bias-pull-up; + }; + + pins-reset { + pinmux = ; + output-high; + }; + + pins-report-sw { + pinmux = ; + output-low; + }; + }; }; &spi1 {