[RFC V2 02/11] dt-bindings: soc: Add opp table on scpsys bindings

[Henry Chen]

Add opp table on scpsys dt-bindings for Mediatek SoC.

Signed-off-by: Henry Chen <henryc.c...@mediatek.com>
---
 .../devicetree/bindings/soc/mediatek/scpsys.txt    | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt 
b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
index b4728ce..33df802 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
+++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
@@ -63,6 +63,10 @@ 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 {
@@ -75,6 +79,27 @@ 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:
@@ -82,4 +107,21 @@ 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>;
+               };
        };
-- 
1.9.1