From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5E963BBFD3; Sat, 12 Sep 2026 09:51:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789206702; cv=none; b=Bxei2ZNh9YfT5uFg/qJL/zPawgeouiFDfGe7n2xgxpxp2po6qsg5Jiw8kgZ8cPYb3zMsbS7M7zM0bPKn8o3HYMfYgXfKCFipY9XkgE29dDXgymwUts7w+52ItK5FRrE/3W1FTzLq5XxSbe18OXpPI/XTVYakaWjhHY3rWs2Q8AI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789206702; c=relaxed/simple; bh=L+E4HKAClcao5Rp+e8yHEWuImzbaUPbvcN7dTUNkVe8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=O1xyhc5VmX0BVEnUfydraKDjCOPoQBtNjmSf5ijmeqiIJa8uxhwhi43zyzlfclgw4KKER5ofX/elchvtE4MnBy99EpiUjU4nv0b8M+S/aN8mLq5yOzk2ayK4zgzc0GCxcymSGkYR4FsCZ+OfXb2x3RRLBMj6XwzduFLp3DskahU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SVrLpv5Q; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SVrLpv5Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5387B1F000FF; Sat, 12 Sep 2026 09:51:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789206700; bh=dozx6w8xNNxFd3oQtd/ZCB72/0PT4OLuEVy0XJgXwJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SVrLpv5QCIDj+jF4SlB1zZe1Mlj6W1D5hQ59UcAiUY5qrTuJH6B9Wjgi4OZVBnPod CWf2FSu/305WKHuoxQPqZSQDdGhvxeA5bNns3PfGbi1KxjUUeY7A+FIVX5URFex0Cw 0u2O6F8cXwyap1r13TBy+7/AJqJJBRvPMF9UCky4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Konrad Dybcio , Bjorn Andersson , Sasha Levin Subject: [PATCH 6.18 0260/1518] arm64: dts: qcom: sc8180x-primus: Describe the display power net Date: Sat, 12 Sep 2026 08:40:29 +0200 Message-ID: <20260912065629.365824398@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065623.398859879@linuxfoundation.org> References: <20260912065623.398859879@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konrad Dybcio [ Upstream commit 80bf2eb87bfbf1b7bc7b12228cbcc710b0a26275 ] Describe and wire up the power supplies for the eDP panel and its backlight. Previously, this was only working because of settings inherited from the bootloader. Fixes: 2ce38cc1e8fe ("arm64: dts: qcom: sc8180x: Introduce Primus") Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20260616-topic-8180_disp_power-v2-2-167785993231@oss.qualcomm.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/sc8180x-primus.dts | 48 ++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts index 4ff5d659e5b44..76679e311ecf9 100644 --- a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts +++ b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts @@ -27,9 +27,10 @@ backlight: backlight { compatible = "pwm-backlight"; pwms = <&pmc8180c_lpg 4 1000000>; enable-gpios = <&pmc8180c_gpios 8 GPIO_ACTIVE_HIGH>; + power-supply = <&vled_bl_pw>; - pinctrl-names = "default"; pinctrl-0 = <&bl_pwm_default>; + pinctrl-names = "default"; }; chosen { @@ -165,6 +166,38 @@ reserved-region@9a500000 { }; }; + vled_bl_pw: regulator-vled-bl-pw { + compatible = "regulator-fixed"; + + regulator-name = "VLED_BL_PW"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&pmc8180_2_gpios 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&bl_pwr_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + + vreg_lcm_3v3: regulator-edp-3p3 { + compatible = "regulator-fixed"; + + regulator-name = "VREG_LCM_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 130 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&lcm_3v3_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + vreg_nvme_0p9: regulator-nvme-0p9 { compatible = "regulator-fixed"; regulator-name = "vreg_nvme_0p9"; @@ -539,6 +572,7 @@ &mdss_edp { aux-bus { panel { compatible = "edp-panel"; + power-supply = <&vreg_lcm_3v3>; backlight = <&backlight>; @@ -768,6 +802,12 @@ &wifi { }; /* PINCTRL */ +&pmc8180_2_gpios { + bl_pwr_en: bl-pwr-en-state { + pins = "gpio1"; + function = "normal"; + }; +}; &pmc8180c_gpios { bl_pwm_default: bl-pwm-default-state { @@ -949,4 +989,10 @@ rx-pins { bias-pull-up; }; }; + + lcm_3v3_en: lcm-3v3-en-state { + pins = "gpio130"; + function = "gpio"; + bias-disable; + }; }; -- 2.53.0