From nobody Fri Dec 19 07:35:09 2025 Received: from mail.manjaro.org (mail.manjaro.org [116.203.91.91]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E26713D24D; Sun, 30 Jun 2024 16:00:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.91.91 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719763250; cv=none; b=lKxQBTcFZ80b/Zv38lcxts1mgNMdQF0GhD29eFYWZ0IOreov2QhizoU0iomnO9+9YzOVoRPXhuF+tPmLvCPrb1Uy2ANFFt4838UVakxQuHq4UJ7DFrT9ZdS06jn4cGa6cMcejsew8yog0x0vB+VlaFlse3QZ0oYAGmDGtlisQVI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719763250; c=relaxed/simple; bh=xRk41s21xgdhBMtCScNxenFDjTyNNLqJd6TznaRc6SI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=iOUj0Hw/OjZz3OsPJXM62pbDpTl3Wu9Hs1tUoZFE2LjyuW9Tu/le5dlOO9T5rK1HEY+XZTxWruEf6J9DPa91XZ9ljPYY63Gr57jGn6j+dKfyU/6JrGWiiXKBGFeBT/PPBDbVuVr8LEjwSXfxTXn9BUyAKjYF+jwnDXifzR22H6o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org; spf=pass smtp.mailfrom=manjaro.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b=FmPBVSk3; arc=none smtp.client-ip=116.203.91.91 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=manjaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b="FmPBVSk3" From: Dragan Simic DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1719763245; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vf64E0kNlbgeCg1YuEunVC6IdAgC+52ElMh5y13hzkU=; b=FmPBVSk3Jw1in4Cz0sCkplCERgOplzAF2U/gtA7OgHD5Qq+ql2aI5yj8p/5JxRUZLUPiKX 0JQ7Lcjk1AZj61wMi9lu9dZz8IGeonxvirs52/uJ9PQeJj2hYGVN5G2oh9sK6vBEm4RnbS 2SenhLqZC+3qQBqIKP0Df7zTxpVwQxoFISGZRHsmT8xuunDj+bnNTvvd9ukt/yXYirK7ni /Z3B/jpb1S9P9z3idpnMMhBll/7KOzEkxvoMMv5pZcnsViS/N0OUkIVwyjJpkXhm4xf3gc wNjbAiXsXsDKAOFma/Ii8sp7DDmKKQYbbJIdJuChfPcOykfZzMybmlUoxDj9sg== To: linux-rockchip@lists.infradead.org Cc: heiko@sntech.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-kernel@vger.kernel.org, didi.debian@cknow.org, jonas@kwiboo.se Subject: [PATCH v3 1/2] arm64: dts: rockchip: Add GPU OPP voltage ranges to RK356x SoC dtsi Date: Sun, 30 Jun 2024 18:00:40 +0200 Message-Id: <7e9ba70fd54a21d6f1f267df11e0acabff8d24e0.1719763100.git.dsimic@manjaro.org> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org Content-Type: text/plain; charset="utf-8" Add support for voltage ranges to the GPU OPPs defined in the SoC dtsi for Rockchip RK356x. This is, for example, useful for RK356x-based boards that are designed to use the same power supply for the GPU and NPU portions of the SoC, which is described further in the following documents: - Rockchip RK3566 Hardware Design Guide, version 1.1.0, page 37 - Rockchip RK3568 Hardware Design Guide, version 1.2, page 78 The values for the exact GPU OPP voltages and the lower limits for the GPU OPP voltage ranges differ from the values found in the vendor kernel source (cf. downstream commit f8b9431ee38e ("arm64: dts: rockchip: rk3568: support adjust opp-table by otp")), [1][2] and present the exact GPU OPP voltage values that have served us well so far. [1] https://github.com/rockchip-linux/kernel/commit/f8b9431ee38ed561650be70= 92ab93f564598daa9 [2] https://raw.githubusercontent.com/rockchip-linux/kernel/f8b9431ee38ed56= 1650be7092ab93f564598daa9/arch/arm64/boot/dts/rockchip/rk3568.dtsi Suggested-by: Diederik de Haas Helped-by: Jonas Karlman Signed-off-by: Dragan Simic --- arch/arm64/boot/dts/rockchip/rk356x.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts= /rockchip/rk356x.dtsi index d8543b5557ee..ec772bce359a 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi @@ -195,32 +195,32 @@ gpu_opp_table: opp-table-1 { =20 opp-200000000 { opp-hz =3D /bits/ 64 <200000000>; - opp-microvolt =3D <825000>; + opp-microvolt =3D <825000 825000 1000000>; }; =20 opp-300000000 { opp-hz =3D /bits/ 64 <300000000>; - opp-microvolt =3D <825000>; + opp-microvolt =3D <825000 825000 1000000>; }; =20 opp-400000000 { opp-hz =3D /bits/ 64 <400000000>; - opp-microvolt =3D <825000>; + opp-microvolt =3D <825000 825000 1000000>; }; =20 opp-600000000 { opp-hz =3D /bits/ 64 <600000000>; - opp-microvolt =3D <825000>; + opp-microvolt =3D <825000 825000 1000000>; }; =20 opp-700000000 { opp-hz =3D /bits/ 64 <700000000>; - opp-microvolt =3D <900000>; + opp-microvolt =3D <900000 900000 1000000>; }; =20 opp-800000000 { opp-hz =3D /bits/ 64 <800000000>; - opp-microvolt =3D <1000000>; + opp-microvolt =3D <1000000 1000000 1000000>; }; };