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 C476A1EB5FD; Sat, 12 Sep 2026 07:24:20 +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=1789197862; cv=none; b=szVlCZ6QMq0qWqfyEsBhLrK4FlK8sjsoMqTmUEIkzaxostlz1dAVxg+Lt47ANJNwrejV8jqA+VKaEWw6D+Bx7sPsaPPd3zZ5X7xCE4cXVWGA7/Xyy5a/wdVXO3kWd+ZAB6w7w/zfpcdf2WpSSCfgz+BUZO0iKW8vDmmkcZCVgMY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789197862; c=relaxed/simple; bh=2VjWaA+gx1H9B7E0dHz/etgn0OaQG4C+fP7G5L8melI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e+j+HNlDGUPWqpa8ann88dqZzI7uGLohtniJSTwRESSej4vzejOB517JODVk9cPx2wXldb0I1nF333U9cd88kyMOnUl5RcJ3Gmn3cPGR/iVFlN1IYsRxJ9OEdKOMbzjroLygudBBxDB4ZcdzuyASRbp2wdDgmdmKqR3An3JdUco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1+TQ7gSE; 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="1+TQ7gSE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 163BF1F000FF; Sat, 12 Sep 2026 07:24:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789197860; bh=FPi0Y/HIo4zqSjVB7EIQPSTNyOP0XV3sjRMNREKWK5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=1+TQ7gSE8WKX9ELXbGDTs7dd5kcb9RYgXkkz5zP7P/FfMVQEqXm5QfDUDRyuYVr0g gQs4LylCIvwjwAiIUKaqZYv1NMTVT+1dNkx28kkvZTXIveFfuTAyGy2wGOzQ8zntJV IZdgMK9ULwMmhaj6Po2GSxX5kIedJartkzc7Zgk0= 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 7.2 0261/1815] arm64: dts: qcom: sc8180x-primus: Describe the display power net Date: Sat, 12 Sep 2026 08:33:31 +0200 Message-ID: <20260912065655.103731355@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065648.999753832@linuxfoundation.org> References: <20260912065648.999753832@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 7.2-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 ffe7c45366ed4..e34f4758ebe28 100644 --- a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts +++ b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts @@ -29,9 +29,10 @@ 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 { @@ -167,6 +168,38 @@ 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"; @@ -540,6 +573,7 @@ &mdss_edp { aux-bus { panel { compatible = "edp-panel"; + power-supply = <&vreg_lcm_3v3>; backlight = <&backlight>; @@ -769,6 +803,12 @@ &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 { @@ -950,4 +990,10 @@ rx-pins { bias-pull-up; }; }; + + lcm_3v3_en: lcm-3v3-en-state { + pins = "gpio130"; + function = "gpio"; + bias-disable; + }; }; -- 2.53.0