From: Henry Chen <henryc.chen@mediatek.com>
To: Georgi Djakov <georgi.djakov@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Viresh Kumar <vireshk@kernel.org>,
Stephen Boyd <swboyd@chromium.org>
Cc: Nicolas Boichat <drinkcat@google.com>,
Fan Chen <fan.chen@mediatek.com>,
James Liao <jamesjj.liao@mediatek.com>,
Weiyi Lu <weiyi.lu@mediatek.com>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Henry Chen <henryc.chen@mediatek.com>
Subject: [RFC V2 02/11] dt-bindings: soc: Add opp table on scpsys bindings
Date: Tue, 30 Apr 2019 16:50:56 +0800 [thread overview]
Message-ID: <1556614265-12745-3-git-send-email-henryc.chen@mediatek.com> (raw)
In-Reply-To: <1556614265-12745-1-git-send-email-henryc.chen@mediatek.com>
Add opp table on scpsys dt-bindings for Mediatek SoC.
Signed-off-by: Henry Chen <henryc.chen@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
next prev parent reply other threads:[~2019-04-30 9:46 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-30 8:50 [PATCH RFC V2] Add driver for dvfsrc, support for active state of scpsys Henry Chen
2019-04-30 8:50 ` [RFC V2 01/11] dt-bindings: soc: Add dvfsrc driver bindings Henry Chen
2019-05-01 20:25 ` Rob Herring
2019-04-30 8:50 ` Henry Chen [this message]
2019-05-01 20:26 ` [RFC V2 02/11] dt-bindings: soc: Add opp table on scpsys bindings Rob Herring
2019-04-30 8:50 ` [RFC V2 03/11] soc: mediatek: add support for the performance state Henry Chen
2019-04-30 8:50 ` [RFC V2 04/11] arm64: dts: mt8183: add performance state support of scpsys Henry Chen
2019-04-30 8:50 ` [RFC V2 05/11] soc: mediatek: add header for mediatek SIP interface Henry Chen
2019-04-30 8:51 ` [RFC V2 06/11] soc: mediatek: add MT8183 dvfsrc support Henry Chen
2019-06-10 21:00 ` Ryan Case
2019-08-19 1:35 ` Henry Chen
2019-04-30 8:51 ` [RFC V2 07/11] arm64: dts: mt8183: add dvfsrc related nodes Henry Chen
2019-04-30 8:51 ` [RFC V2 08/11] dt-bindings: interconnect: add MT8183 interconnect dt-bindings Henry Chen
2019-05-01 20:27 ` Rob Herring
2019-08-19 1:39 ` Henry Chen
2019-04-30 8:51 ` [RFC V2 09/11] dt-bindings: interconnect: Add header for interconnect node Henry Chen
2019-05-01 20:28 ` Rob Herring
2019-08-19 1:43 ` Henry Chen
2019-04-30 8:51 ` [RFC V2 10/11] interconnect: mediatek: Add mt8183 interconnect provider driver Henry Chen
2019-05-14 6:43 ` Georgi Djakov
2019-08-19 1:53 ` Henry Chen
2019-04-30 8:51 ` [RFC V2 11/11] arm64: dts: mt8183: Add interconnect provider DT nodes Henry Chen
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