From nobody Mon Feb 9 23:03:26 2026 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 ECBA5C04A6A for ; Tue, 25 Jul 2023 20:38:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231585AbjGYUiB (ORCPT ); Tue, 25 Jul 2023 16:38:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231404AbjGYUhi (ORCPT ); Tue, 25 Jul 2023 16:37:38 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCC6B2D50 for ; Tue, 25 Jul 2023 13:37:20 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id 98e67ed59e1d1-267fc19280bso174436a91.1 for ; Tue, 25 Jul 2023 13:37:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1690317440; x=1690922240; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kZ7YK7+MOq9X+RTweOdEeLPvYNyqsXxq2qSFOs1mT3s=; b=BuN5tKldtTLx2sEHuuuAagR2QfiguR7+L5jScpcBlZCtNRwzluFw4euj+TZAsdvP26 EDACAv0XTZF3vF/p2//utmh8C9vbXaUnVYNuAmPvGVxAktKJPkiFXYmd2itCZRx075gV Jy580G+wiVMstRe0Eq3zIfvwRU2mZmMau5NKA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690317440; x=1690922240; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kZ7YK7+MOq9X+RTweOdEeLPvYNyqsXxq2qSFOs1mT3s=; b=CG70tIKmc+bwNzTp+pZ6lexaNxhmEqbwnIgYU2euPudJ60TwqePzY8vK1+lrPxG2Kt RLueBevMB/99W9Bj0n2aZnHAYFBpSafEzsU/Ut/nxvFHB4bHDBfTktQJ54D8wvznGv1Y 0EDl/Gikcd0JcvqlfPNkitZNFdxU4B2MNucXPutSJmG3KB+lV0gbcTtXVzOUx4YX/DK8 DTNxPjBcqHke5laW6X267UYtT/yS9cTWcfaR7Sxsju4LtbMd4A4qO8TjVCJTgudre592 gWly2CxKcwMrze/Owxqo4zaqhCZJFH4/5255zCs2g4zk3ZNblbROMyw2xGFJam6+IO/b 3CYA== X-Gm-Message-State: ABy/qLYzTWsPtSaFj4ASZRG3KCIp5Ak1L1xyNYkOGoXfY1m8sTJYKiow KdiECCk/NCmcYRJAW4qDKEzx1Q== X-Google-Smtp-Source: APBJJlEgCBbPkr5YZubPWhaNBGqUI6g2VhIUIc6BoH6rzAKhCVoah7Aeybahr/mZ0cE03NvH+GwQSA== X-Received: by 2002:a17:90b:1d90:b0:268:3ca4:6152 with SMTP id pf16-20020a17090b1d9000b002683ca46152mr180277pjb.15.1690317439920; Tue, 25 Jul 2023 13:37:19 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:9d:2:c363:4681:f5b8:301]) by smtp.gmail.com with ESMTPSA id bg1-20020a17090b0d8100b002676e961261sm1396951pjb.1.2023.07.25.13.37.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Jul 2023 13:37:18 -0700 (PDT) From: Douglas Anderson To: Jiri Kosina , Benjamin Tissoires , Bjorn Andersson , Konrad Dybcio , Rob Herring , Frank Rowand , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Cc: cros-qcom-dts-watchers@chromium.org, Chris Morgan , linux-input@vger.kernel.org, hsinyi@google.com, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dmitry Torokhov , devicetree@vger.kernel.org, Daniel Vetter , yangcong5@huaqin.corp-partner.google.com, Douglas Anderson Subject: [PATCH v3 10/10] arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels Date: Tue, 25 Jul 2023 13:34:45 -0700 Message-ID: <20230725133443.v3.10.Ia06c340e3482563e6bfd3106ecd0d3139f173ca4@changeid> X-Mailer: git-send-email 2.41.0.487.g6d72f3e995-goog In-Reply-To: <20230725203545.2260506-1-dianders@chromium.org> References: <20230725203545.2260506-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Let's provide the proper link from the touchscreen to the panel on trogdor devices where the touchscreen support it. This allows the OS to power sequence the touchscreen more properly. For the most part, this is just expected to marginally improve power consumption while the screen is off. However, in at least one trogdor model (wormdingler) it's suspected that this will fix some behavorial corner cases when the panel power cycles (like for a modeset) without the touchscreen power cycling. NOTE: some trogdor variants use touchscreens that don't (yet) support linking the touchscreen and the panel. Those variants are left alone. Signed-off-by: Douglas Anderson --- (no changes since v1) arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi | 1 + 6 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi b/arch/arm= 64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi index 8b8ea8af165d..b4f328d3e1f6 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz.dtsi @@ -104,6 +104,7 @@ ap_ts: touchscreen@5d { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_LEVEL_LOW>; =20 + panel =3D <&panel>; reset-gpios =3D <&tlmm 8 GPIO_ACTIVE_LOW>; =20 vdd-supply =3D <&pp3300_ts>; diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi b/arch/a= rm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi index b3ba23a88a0b..88aeb415bd5b 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar.dtsi @@ -116,6 +116,7 @@ ap_ts: touchscreen@14 { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_LEVEL_LOW>; =20 + panel =3D <&panel>; reset-gpios =3D <&tlmm 8 GPIO_ACTIVE_LOW>; =20 vdd-supply =3D <&pp3300_touch>; diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor.dtsi b/arch/arm6= 4/boot/dts/qcom/sc7180-trogdor-lazor.dtsi index 269007d73162..c65f18ea3e5c 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor.dtsi @@ -43,6 +43,7 @@ ap_ts: touchscreen@10 { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_LEVEL_LOW>; =20 + panel =3D <&panel>; post-power-on-delay-ms =3D <20>; hid-descr-addr =3D <0x0001>; =20 diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi b/arch/arm= 64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi index 6c5287bd27d6..d2aafd1ea672 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-pompom.dtsi @@ -102,6 +102,7 @@ ap_ts: touchscreen@10 { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_LEVEL_LOW>; =20 + panel =3D <&panel>; post-power-on-delay-ms =3D <20>; hid-descr-addr =3D <0x0001>; =20 diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi b/a= rch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi index 62ab6427dd65..e5d6a7898f8c 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-quackingstick.dtsi @@ -69,6 +69,7 @@ ap_ts: touchscreen@10 { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_LEVEL_LOW>; =20 + panel =3D <&panel>; post-power-on-delay-ms =3D <20>; hid-descr-addr =3D <0x0001>; =20 diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi b/arc= h/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi index 2efa8a4bcda6..0e2b4d06b490 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-wormdingler.dtsi @@ -123,6 +123,7 @@ ap_ts: touchscreen@1 { interrupt-parent =3D <&tlmm>; interrupts =3D <9 IRQ_TYPE_EDGE_FALLING>; =20 + panel =3D <&panel>; post-power-on-delay-ms =3D <70>; hid-descr-addr =3D <0x0001>; =20 --=20 2.41.0.487.g6d72f3e995-goog