From patchwork Thu May 12 20:55:57 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: 12848134 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17754C433F5 for ; Thu, 12 May 2022 21:01:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zbZ2v2xT9QqjMNZCDprifu7TvqaTd5hYEwXXPQfMV2Y=; b=IUwHXM8E665oP1 pp0xRnKqqMVGuZq+XZ+FY73mwEa205nwGHdin+zI7+45B18UGcx7M8mbNxgIg4QP5d9PksEbqHowB Oh+kYTW7xHKoWy42VEu6eo1vHbsJU6gtdr8T/jJA2XsMYLmk+5dgiWijDC7gJXzFIkjgP2HAF1RTR AesFiag2W15tpHvx2iMedOBqqDLUvqghOQIWmL1uMDRhs30rtGa46K1p8W91xfHsRrURjcQCPHkn3 9WHCWosr7hdPV99qfB+3+kfhUaBTVJH2UTDCnzQYn+LBqq7gESDirT0Wgc+sFlZN3XN08MK16TJIL G53bo6A72z6AaHwmmI+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1npFuz-00DTYx-7G; Thu, 12 May 2022 21:00:17 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1npFrT-00DRKq-85; Thu, 12 May 2022 20:56:41 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id B734F1F45AAB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652388998; bh=oen+/Gb8r5CVD7w+WMrsnQB9YhJdlf1/8shCrq8Zx0E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GskHdfBKxcpmG8k23Wmh35zEM4lO+jrgugX00nQAHsGJNvbilMGeQQDMyKckAVan4 nQg2qBMWLR2CakJnlWheApUbHIwav3PNRwsLZ7OMS55SGBbK5W0MKdO7m2MaPeL+2V zXOn4OTSngs3m3IJjajwBLAz5wJpbgWoMJFhgdfrPSTpPh2aL6zrV/BDa6If2yvQ9i qPtRa0eTgsq6VDq4x7vYtF9qye7zC2/oCufKXLuGpog8qExGGF4+sraTaVw9bh5n/D aQbed6V00oFqN1XXhkIVWSbIFBFGddbKlxrw2XGS0p5z0h0wDpAvK6XuHLXn0qsoXn 1Lcaiz7sy9rlw== From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Matthias Brugger Cc: Chen-Yu Tsai , AngeloGioacchino Del Regno , kernel@collabora.com, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v3 11/16] arm64: dts: mediatek: asurada: Add I2C touchscreen Date: Thu, 12 May 2022 16:55:57 -0400 Message-Id: <20220512205602.158273-12-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220512205602.158273-1-nfraprado@collabora.com> References: <20220512205602.158273-1-nfraprado@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220512_135639_477799_E1ABA2E7 X-CRM114-Status: GOOD ( 11.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 Tested-by: Chen-Yu Tsai --- (no changes since v1) .../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 ca18fcf2ad4f..1e91491945f6 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts @@ -38,3 +38,10 @@ MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP) CROS_STD_MAIN_KEYMAP >; }; + +&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 30b03895de41..42db81e95fae 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts @@ -40,3 +40,7 @@ MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP) CROS_STD_MAIN_KEYMAP >; }; + +&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 a63b3c86d650..d9c9852339a8 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 {