From nobody Sun Sep 22 03:29:13 2024 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 82207C433EF for ; Thu, 5 May 2022 19:47:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385408AbiEETup (ORCPT ); Thu, 5 May 2022 15:50:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1385358AbiEETub (ORCPT ); Thu, 5 May 2022 15:50:31 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D8B15E774; Thu, 5 May 2022 12:46:47 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id E54C31F45CCE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1651780006; bh=1u4qe9l+DHtHmHsuoC7WXDiH41P3SfBlsVHP90O4+hc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUsc7EfC2p097+dI8XIPo9JDk6gX753g0G1/Si2UqCm3ikI747zz/stCNIK6Dpmqz P6BHLqVWuG19pE3sJUTgoqX8NbHjh6yg8cu2tXKEukziIva+Y7BkG1LZWgBE3fMQ2t 502HkgGOGV8vDP51J/YRgaUXYprC9nR4i2QInYLc5wHX/9ZsgvUp+/Q5hMHNRriJ39 ash6cLkfw5OvlDY86v2jxVxND0LSPmI6gUmVLiLsrqMYFZEJwjTzvX6HLEYMyhuhpD JxgTlUZmDEgiBJjniQ50ztDlvHyTlGiu9bKeVSk5VDAaEHWyp5vUISWZUrMs1CA8Nz LZOtzseQwk5aw== From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, Chen-Yu Tsai , =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= , 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 v2 11/16] arm64: dts: mediatek: asurada: Add I2C touchscreen Date: Thu, 5 May 2022 15:45:45 -0400 Message-Id: <20220505194550.3094656-12-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220505194550.3094656-1-nfraprado@collabora.com> References: <20220505194550.3094656-1-nfraprado@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno --- (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/ar= ch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts index 00c76709a055..b62c747e9e54 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 =3D "Google Hayato rev1"; compatible =3D "google,hayato-rev1", "google,hayato", "mediatek,mt8192"; }; + +&touchscreen { + compatible =3D "hid-over-i2c"; + post-power-on-delay-ms =3D <10>; + hid-descr-addr =3D <0x0001>; + vdd-supply =3D <&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 d384d584bbcf..35d9c5294fe0 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 =3D "elan,ekth3500"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/= boot/dts/mediatek/mt8192-asurada.dtsi index a15e84d86449..c852cb0e8b63 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 =3D <400000>; pinctrl-names =3D "default"; pinctrl-0 =3D <&i2c0_pins>; + + touchscreen: touchscreen@10 { + reg =3D <0x10>; + interrupts-extended =3D <&pio 21 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&touchscreen_pins>; + }; }; =20 &i2c1 { @@ -458,6 +465,24 @@ pins-int-n { mediatek,pull-up-adv =3D <3>; }; }; + + touchscreen_pins: touchscreen-default-pins { + pins-irq { + pinmux =3D ; + input-enable; + bias-pull-up; + }; + + pins-reset { + pinmux =3D ; + output-high; + }; + + pins-report-sw { + pinmux =3D ; + output-low; + }; + }; }; =20 &spi1 { --=20 2.36.0