From patchwork Wed Apr 17 09:14:36 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: 13633076 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C0483C4345F for ; Wed, 17 Apr 2024 09:15:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=O7ZWFBBWK+nCBn3wSV9Qzgp/kTfY0PIVpiU4M9+oNCk=; b=3deGXZnoYVDlB6 nfjV17AaO9hW3q2fmvanjP3RM0giHWSj+xrtAByE8WEPfWQ2Sr5hTPWKDycOlOKfKQb0xwVPtYUh5 83sa8BoBbWMOQVrDzjI1QzA9wv5QUWXYMNjg7eHpdV1TRUfx8pokXb1mI+TtYO/oeWq6HpAFJ39td ExmImX/A6QNrqlSsAhI2r7lEVyIiE2hksRq5YzymDSzn6KaLsD+biaEr1iSTjxRoAUA/miGSuGc6g q04QXA18RzuOzcQNyYMJFDfUoogGnCE44a/ukP6G27SFuxVkxf4lYTkej2XEdWHwDYS9XJ3xxBtaj Uc8fOLSvMc1QbpT46NcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rx1Nb-0000000FMdU-0DtU; Wed, 17 Apr 2024 09:14:59 +0000 Received: from madrid.collaboradmins.com ([2a00:1098:ed:100::25]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rx1NS-0000000FMYO-1amj; Wed, 17 Apr 2024 09:14:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1713345287; bh=pqobeqHfUVbkypqHwHSiTkFR/HCjK7XkjC8AjPfYgX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=noC8WT9nMOVHMivvk5E86wS0K0xe7U7pcqTdYF6o82RCaJUy7Bb4pnU1rmn4NtoIW 0KpDMmIYs1M0IBTBnjhtEw1U0oDUp5myi2V1WvylkYOwL74Bf7ggl1t9etkG0Pjwa/ A+Pf9FYps396ki1qrpOe8d10btmQkGLkqoUvNmcBeVbwk+jO7MEvQikDkCGUjui3XF D7jV09wM7BK+BnfqcGvIonfV0ZUDNyZmfklFQongeQikMtdzIxTOKSuKhY9zt3dSjk tQqiq85aPurX3+G9nljn5uaL65rfHJF2cv8k4sB7ICnteqOSpPHsmWax6f51GcIyeg fpP5dAwVcO1VA== 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 988E637820F9; Wed, 17 Apr 2024 09:14:46 +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 v2 1/7] dt-bindings: regulator: Add bindings for MediaTek DVFSRC Regulators Date: Wed, 17 Apr 2024 11:14:36 +0200 Message-ID: <20240417091442.170505-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240417091442.170505-1-angelogioacchino.delregno@collabora.com> References: <20240417091442.170505-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240417_021450_709643_40033A0D X-CRM114-Status: GOOD ( 12.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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..446f1dab4d2e --- /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 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6873-dvfsrc-regulator.yaml# +$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>; + + system-controller@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; + }; + }; + }; + };