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: 13632087 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 A6EA6C4345F for ; Tue, 16 Apr 2024 15:38:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HPOK9CxMhc/He2oNalCUHBD1tH2pPDYpqEcGOFiCv2k=; b=G19F2OcYvufPhKtO31p8TNMDfV djnDGUGUCs0IUFV0n2sZj6Rbbn/BYCnpLoe1Sn4Uop4+GWpuxuwaa7G5DhHojs9MtTitEeQPk6oNk tnUh4JNCwZd78UlbiW+fCdUP5/YkRSBZEOiow1R6h/cBTuZqOuJ+8j56xOSByNwhG7VsuwHORc1uM jkKDQ4hWsFykzRNXTBLN3hi/yh5M6Gck9JruOG2B8zGErEHiKvHw4Bm3Wc6InjDUTfbo35KLuVVrp i89vVU97jS9pm9vsHbJfGTDUDIvqtjRoQmZOcS5ZmzVB90nqvOApricrhJW61m7ODvXPByOqKVBFF H8bho0oQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rwktH-0000000CmyP-0YRK; Tue, 16 Apr 2024 15:38:35 +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 1rwksw-0000000Cmli-02qj; Tue, 16 Apr 2024 15:38:15 +0000 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> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240416_083814_209249_D685D932 X-CRM114-Status: GOOD ( 12.21 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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..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; + }; + }; + }; + };