[PATCH V5 02/17] dt-bindings: soc: Add opp table on scpsys bindings
Henry Chen
henryc.chen at mediatek.com
Sun Sep 13 23:04:29 EDT 2020
Add opp table on scpsys dt-bindings for Mediatek SoC.
Signed-off-by: Henry Chen <henryc.chen at mediatek.com>
Reviewed-by: Rob Herring <robh at kernel.org>
---
.../devicetree/bindings/soc/mediatek/scpsys.txt | 38 ++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
index 7f322f9..4b96fdc 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
+++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
@@ -90,6 +90,27 @@ 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(power domain sub node within power controller):
@@ -151,4 +172,21 @@ Example consumer:
afe: mt8173-afe-pcm at 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>;
+ };
};
--
1.9.1
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