[V4,02/13] dt-bindings: soc: Add opp table on scpsys bindings
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Message ID 1584092066-24425-3-git-send-email-henryc.chen@mediatek.com
State New, archived
Headers show
Series
  • Add driver for dvfsrc, support for active state of scpsys
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Commit Message

Henry Chen March 13, 2020, 9:34 a.m. UTC
Add opp table on scpsys dt-bindings for Mediatek SoC.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/soc/mediatek/scpsys.txt    | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

Patch
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diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
index 1baaa6f..d22f11d 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
+++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
@@ -70,6 +70,10 @@  Optional properties:
 - mfg_2d-supply: Power supply for the mfg_2d power domain
 - mfg-supply: Power supply for the mfg power domain
 
+- operating-points-v2: Phandle to the OPP table for the Power domain.
+	Refer to Documentation/devicetree/bindings/power/power_domain.txt
+	and Documentation/devicetree/bindings/opp/opp.txt for more details
+
 Example:
 
 	scpsys: scpsys@10006000 {
@@ -82,6 +86,27 @@  Example:
 			 <&topckgen CLK_TOP_VENC_SEL>,
 			 <&topckgen CLK_TOP_VENC_LT_SEL>;
 		clock-names = "mfg", "mm", "venc", "venc_lt";
+		operating-points-v2 = <&dvfsrc_opp_table>;
+
+		dvfsrc_opp_table: opp-table {
+			compatible = "operating-points-v2-level";
+
+			dvfsrc_vol_min: opp1 {
+				opp,level = <MT8183_DVFSRC_LEVEL_1>;
+			};
+
+			dvfsrc_freq_medium: opp2 {
+				opp,level = <MT8183_DVFSRC_LEVEL_2>;
+			};
+
+			dvfsrc_freq_max: opp3 {
+				opp,level = <MT8183_DVFSRC_LEVEL_3>;
+			};
+
+			dvfsrc_vol_max: opp4 {
+				opp,level = <MT8183_DVFSRC_LEVEL_4>;
+			};
+		};
 	};
 
 Example consumer:
@@ -89,4 +114,21 @@  Example consumer:
 	afe: mt8173-afe-pcm@11220000 {
 		compatible = "mediatek,mt8173-afe-pcm";
 		power-domains = <&scpsys MT8173_POWER_DOMAIN_AUDIO>;
+		operating-points-v2 = <&aud_opp_table>;
+	};
+
+	aud_opp_table: aud-opp-table {
+		compatible = "operating-points-v2";
+		opp1 {
+			opp-hz = /bits/ 64 <793000000>;
+			required-opps = <&dvfsrc_vol_min>;
+		};
+		opp2 {
+			opp-hz = /bits/ 64 <910000000>;
+			required-opps = <&dvfsrc_vol_max>;
+		};
+		opp3 {
+			opp-hz = /bits/ 64 <1014000000>;
+			required-opps = <&dvfsrc_vol_max>;
+		};
 	};