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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> Precedence: bulk X-Mailing-List: devicetree@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..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; + }; + }; + }; + };