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: 12782869 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 81CC0C433F5 for ; Wed, 16 Mar 2022 15:27:29 +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=x9HJGxDeM5giw8/RyfCxD1h9Xu33QXmCLa7R0PH9C6k=; b=4v54WGeW6vFD9l vSsvgzPvrX0vjWrR1FjFFpjl6JVVYq6HrevP+7CeA0/ogOeK0wdgd1YSXhqWmrpKDv2XSCDiIgg2f SC7XaLlg1OLnOXeonn+kZHP4KaQu8A1kXYsMZxWw+WBpp0iCQKtN0AUhziSTUmGe9kajxxmDEFhhI J5Gs8Bd+MeJw2hFI2W3DzN3X4qWYtM1j40sNm5rILSUffahHsU8oXHYGb3RDFOu+3IRgdTJ97E+nB iDhOlCSB0QkuCdLSNIkN0A76+y3XVde3M0W9rNAxgGFjWDt9ZT5xxuXwhxdY2GOpzMhJNGwNteKv6 Nxqe2ZACQwHcQRqOFLzA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUVX7-00DWyg-AU; Wed, 16 Mar 2022 15:25:53 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nUVLN-00DSMD-63; Wed, 16 Mar 2022 15:13:46 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220316_081345_418362_44AC8F61 X-CRM114-Status: GOOD ( 11.41 ) 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 --- .../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 {