From patchwork Tue Apr 16 15:38:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 791930 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 36BE4131746; Tue, 16 Apr 2024 15:38:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713281895; cv=none; b=i+5s9GOxFCLmKVHQfp/d355mQ0XvVt4SDZjxfRLc895sHcIAYRpaF/fJfmNVt8Ca04LC0zHToBHps0i3BzaSU2u64NDIFUkjEjKGiDO+no0UutOa1Ml5GUocReC5rW4utNqMZVR2Dx71OkgxSk5facQxGqY8t8a0EBkDX6I0jA8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713281895; c=relaxed/simple; bh=eUguFybIDGAPoGMi8HJFCUVTUbSzbIBgnMV+xhfg7N0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Bfnhk5GQLi/MNWAAXjSHMoTi3xTMnU5OMo08fdy2wZ3dFqR5LQMraiok5NCIVqtlCwbOYZQo034ip9o3R0ghf5DYlh77vJ/fNWoy0wHNENwP4BR1lf244xkfjBALSgQxLs5+yJYp8c7sCOalfIlNvfF9x/4pKxC6DlB+zB3whnE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=b0BtlntJ; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="b0BtlntJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1713281892; bh=eUguFybIDGAPoGMi8HJFCUVTUbSzbIBgnMV+xhfg7N0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b0BtlntJJCGCfWAoj1S+JwRKqLPdBd+/UyjncG7Jn36YY+/C8Uz2UuhNT/H6qUf2A sD1PjnT2HcPu/j0mVDvHaVrwtUupe7QC4AOfq4Cuj1/yMXn31GpTcSTLTevEyaDyku mugiHqO/r0Vrpv+GHE5Vj/PLh48GqK8+oVvcK9lfh6TL2nZvtVlmL1CW41YOHzCTaW h75BnE2elw7S+JyV3GwU0XyuSgoZKUcDByh3IsNCeDk5D1l1HdVnXGJPsJ2NAafqBW YDFI+1JbpfOd3IlDRKDh/dV9muO6wueu2rQHAgeYOHUNAzftbyvaVRNhdGlSo1gKSD yXisg+qvuRdfg== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 825D03782142; Tue, 16 Apr 2024 15:38:11 +0000 (UTC) From: AngeloGioacchino Del Regno To: djakov@kernel.org Cc: robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, lgirdwood@gmail.com, broonie@kernel.org, keescook@chromium.org, gustavoars@kernel.org, henryc.chen@mediatek.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, wenst@chromium.org, amergnat@baylibre.com Subject: [PATCH v1 3/6] dt-bindings: regulator: Add bindings for MediaTek DVFSRC Regulators Date: Tue, 16 Apr 2024 17:38:02 +0200 Message-ID: <20240416153805.431118-4-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240416153805.431118-1-angelogioacchino.delregno@collabora.com> References: <20240416153805.431118-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The Dynamic Voltage and Frequency Scaling Resource Collector Regulators are controlled with votes to the DVFSRC hardware. This adds support for the regulators found in MT6873, MT8183, MT8192 and MT8195 SoCs. Signed-off-by: AngeloGioacchino Del Regno --- .../mediatek,mt6873-dvfsrc-regulator.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml new file mode 100644 index 000000000000..17961c430fd3 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/mediatek/mediatek,mt6873-dvfsrc-regulator.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MediaTek DVFSRC-controlled Regulators + +description: + The Dynamic Voltage and Frequency Scaling Resource Collector Regulators + are controlled with votes to the DVFSRC hardware. + +maintainers: + - AngeloGioacchino Del Regno + +properties: + compatible: + enum: + - mediatek,mt6873-dvfsrc-regulator + - mediatek,mt8183-dvfsrc-regulator + - mediatek,mt8192-dvfsrc-regulator + - mediatek,mt8195-dvfsrc-regulator + + reg: + maxItems: 1 + + dvfsrc-vcore: + description: DVFSRC-controlled SoC Vcore regulator + $ref: regulator.yaml# + + dvfsrc-vscp: + description: DVFSRC-controlled System Control Processor regulator + $ref: regulator.yaml# + +required: + - compatible + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + dvfsrc@10012000 { + compatible = "mediatek,mt8195-dvfsrc"; + reg = <0 0x10012000 0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + + regulators@0 { + compatible = "mediatek,mt8195-dvfsrc-regulator"; + reg = <0>; + + dvfsrc_vcore: dvfsrc-vcore { + regulator-name = "dvfsrc-vcore"; + regulator-min-microvolt = <550000>; + regulator-max-microvolt = <750000>; + regulator-always-on; + }; + + dvfsrc_vscp: dvfsrc-vscp { + regulator-name = "dvfsrc-vscp"; + regulator-min-microvolt = <550000>; + regulator-max-microvolt = <750000>; + regulator-always-on; + }; + }; + }; + };