linux-kernel - [PATCH 2/3] arm64: dts: qcom: ipq6018: add ipq6000 CPU OPP tables

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Date: Wed, 31 Jan 2024 18:20:02 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Bjorn Andersson <andersson@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 2/3] arm64: dts: qcom: ipq6018: add ipq6000 CPU OPP tables

Some IPQ6000 SoCs don't have pmic chips, and fused 1.2GHz.
Add a separate CPU OPP tables for these SoCs.

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/qcom/ipq6000-opp.dtsi | 49 +++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/ipq6000-opp.dtsi

diff --git a/arch/arm64/boot/dts/qcom/ipq6000-opp.dtsi b/arch/arm64/boot/dts/qcom/ipq6000-opp.dtsi
new file mode 100644
index 000000000000..acb4774da33e
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq6000-opp.dtsi
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * IPQ6000 without PMIC (MP5496) CPU OPP tables
+ */
+
+/ {
+	cpu_opp_table: opp-table-cpu {
+		compatible = "operating-points-v2-kryo-cpu";
+		nvmem-cells = <&cpu_speed_bin>;
+		opp-shared;
+
+		opp-864000000 {
+			opp-hz = /bits/ 64 <864000000>;
+			opp-microvolt = <725000>;
+			opp-supported-hw = <0xf>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1056000000 {
+			opp-hz = /bits/ 64 <1056000000>;
+			opp-microvolt = <787500>;
+			opp-supported-hw = <0xf>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1200000000 {
+			opp-hz = /bits/ 64 <1200000000>;
+			opp-microvolt = <850000>;
+			opp-supported-hw = <0x4>;
+			clock-latency-ns = <200000>;
+		};
+	};
+};
+
+&CPU0 {
+	operating-points-v2 = <&cpu_opp_table>;
+};
+
+&CPU1 {
+	operating-points-v2 = <&cpu_opp_table>;
+};
+
+&CPU2 {
+	operating-points-v2 = <&cpu_opp_table>;
+};
+
+&CPU3 {
+	operating-points-v2 = <&cpu_opp_table>;
+};
-- 
2.25.1