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Message-ID: <20230809173905.1844132-3-a-nandan@ti.com>
Date: Wed, 9 Aug 2023 23:09:04 +0530
From: Apurva Nandan <a-nandan@...com>
To: Apurva Nandan <a-nandan@...com>, Nishanth Menon <nm@...com>,
Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Rafael J Wysocki <rafael@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Amit Kucheria <amitk@...nel.org>,
Zhang Rui <rui.zhang@...el.com>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-pm@...r.kernel.org>, Udit Kumar <u-kumar1@...com>,
Keerthy J <j-keerthy@...com>
Subject: [PATCH 2/3] arm64: dts: ti: k3-j7200: Add the supported frequencies for A72
From: Keerthy <j-keerthy@...com>
Add 750M, 1G, 1.5G & 2G as the supported frequencies for A72.
This enables support for Dynamic Frequency Scaling(DFS)
Signed-off-by: Keerthy <j-keerthy@...com>
Signed-off-by: Apurva Nandan <a-nandan@...com>
---
arch/arm64/boot/dts/ti/k3-j7200.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200.dtsi b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
index ef73e6d7e858..7222c453096f 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -48,6 +48,10 @@ cpu0: cpu@0 {
d-cache-line-size = <64>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
+ clocks = <&k3_clks 202 2>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+ #cooling-cells = <2>; /* min followed by max */
};
cpu1: cpu@1 {
@@ -62,6 +66,30 @@ cpu1: cpu@1 {
d-cache-line-size = <64>;
d-cache-sets = <256>;
next-level-cache = <&L2_0>;
+ clocks = <&k3_clks 203 0>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+ };
+
+ cpu0_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp4-2000000000 {
+ opp-hz = /bits/ 64 <2000000000>;
+ };
+
+ opp3-1500000000 {
+ opp-hz = /bits/ 64 <1500000000>;
+ };
+
+ opp2-1000000000 {
+ opp-hz = /bits/ 64 <1000000000>;
+ };
+
+ opp1-750000000 {
+ opp-hz = /bits/ 64 <750000000>;
};
};
--
2.34.1
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