From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 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 1/6] dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195 Date: Tue, 16 Apr 2024 17:38:00 +0200 [thread overview] Message-ID: <20240416153805.431118-2-angelogioacchino.delregno@collabora.com> (raw) In-Reply-To: <20240416153805.431118-1-angelogioacchino.delregno@collabora.com> Add bindings for the MediaTek Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC), a hardware module used to collect all the requests from both software and the various remote processors embedded into the SoC and decide about a minimum operating voltage and a minimum DRAM frequency to fulfill those requests in an effort to provide the best achievable performance per watt. This hardware IP is capable of transparently performing direct register R/W on all of the DVFSRC-controlled regulators and SoC bandwidth knobs. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../soc/mediatek/mediatek,mt8183-dvfsrc.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml new file mode 100644 index 000000000000..12bcc3fdfd07 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt8183-dvfsrc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) + +description: + The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a + Hardware module used to collect all the requests from both software and the + various remote processors embedded into the SoC and decide about a minimum + operating voltage and a minimum DRAM frequency to fulfill those requests in + an effort to provide the best achievable performance per watt. + This hardware IP is capable of transparently performing direct register R/W + on all of the DVFSRC-controlled regulators and SoC bandwidth knobs. + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + - Henry Chen <henryc.chen@mediatek.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt8183-dvfsrc + - mediatek,mt8195-dvfsrc + - items: + - const: mediatek,mt8192-dvfsrc + - const: mediatek,mt8195-dvfsrc + + reg: + maxItems: 1 + description: DVFSRC common register address and length. + +patternProperties: + "@[0-9a-f]+$": + type: object + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + dvfsrc@10012000 { + compatible = "mediatek,mt8195-dvfsrc"; + reg = <0 0x10012000 0 0x1000>; + }; + }; -- 2.44.0
WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 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 1/6] dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195 Date: Tue, 16 Apr 2024 17:38:00 +0200 [thread overview] Message-ID: <20240416153805.431118-2-angelogioacchino.delregno@collabora.com> (raw) In-Reply-To: <20240416153805.431118-1-angelogioacchino.delregno@collabora.com> Add bindings for the MediaTek Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC), a hardware module used to collect all the requests from both software and the various remote processors embedded into the SoC and decide about a minimum operating voltage and a minimum DRAM frequency to fulfill those requests in an effort to provide the best achievable performance per watt. This hardware IP is capable of transparently performing direct register R/W on all of the DVFSRC-controlled regulators and SoC bandwidth knobs. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../soc/mediatek/mediatek,mt8183-dvfsrc.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml new file mode 100644 index 000000000000..12bcc3fdfd07 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt8183-dvfsrc.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt8183-dvfsrc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) + +description: + The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a + Hardware module used to collect all the requests from both software and the + various remote processors embedded into the SoC and decide about a minimum + operating voltage and a minimum DRAM frequency to fulfill those requests in + an effort to provide the best achievable performance per watt. + This hardware IP is capable of transparently performing direct register R/W + on all of the DVFSRC-controlled regulators and SoC bandwidth knobs. + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + - Henry Chen <henryc.chen@mediatek.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt8183-dvfsrc + - mediatek,mt8195-dvfsrc + - items: + - const: mediatek,mt8192-dvfsrc + - const: mediatek,mt8195-dvfsrc + + reg: + maxItems: 1 + description: DVFSRC common register address and length. + +patternProperties: + "@[0-9a-f]+$": + type: object + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + dvfsrc@10012000 { + compatible = "mediatek,mt8195-dvfsrc"; + reg = <0 0x10012000 0 0x1000>; + }; + }; -- 2.44.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-04-16 15:38 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-16 15:37 [PATCH v1 0/6] MediaTek DVFSRC Bus Bandwidth and Regulator knobs AngeloGioacchino Del Regno 2024-04-16 15:37 ` AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno [this message] 2024-04-16 15:38 ` [PATCH v1 1/6] dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195 AngeloGioacchino Del Regno 2024-04-16 17:28 ` Conor Dooley 2024-04-16 17:28 ` Conor Dooley 2024-04-16 17:30 ` Conor Dooley 2024-04-16 17:30 ` Conor Dooley 2024-04-17 8:26 ` AngeloGioacchino Del Regno 2024-04-17 8:26 ` AngeloGioacchino Del Regno 2024-04-17 15:25 ` Conor Dooley 2024-04-17 15:25 ` Conor Dooley 2024-04-16 15:38 ` [PATCH v1 2/6] dt-bindings: interconnect: Add MediaTek EMI Interconnect bindings AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno 2024-04-16 16:33 ` Rob Herring 2024-04-16 16:33 ` Rob Herring 2024-04-16 15:38 ` [PATCH v1 3/6] dt-bindings: regulator: Add bindings for MediaTek DVFSRC Regulators AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno 2024-04-16 16:33 ` Rob Herring 2024-04-16 16:33 ` Rob Herring 2024-04-16 15:38 ` [PATCH v1 4/6] soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno 2024-04-16 15:38 ` [PATCH v1 5/6] regulator: mtk-dvfsrc-regulator: Refactor and add MT8192/MT8195 vregs AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno 2024-04-17 0:52 ` Mark Brown 2024-04-17 0:52 ` Mark Brown 2024-04-17 8:30 ` AngeloGioacchino Del Regno 2024-04-17 8:30 ` AngeloGioacchino Del Regno 2024-04-16 15:38 ` [PATCH v1 6/6] interconnect: mediatek: Add MediaTek MT8183/8195 EMI Interconnect driver AngeloGioacchino Del Regno 2024-04-16 15:38 ` AngeloGioacchino Del Regno
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