linux-kernel - [PATCH V3 5/5] arm64: dts: qcom: ipq5332: enable the CPUFreq support

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Message-ID: <20230217083308.12017-6-quic_kathirav@quicinc.com>
Date:   Fri, 17 Feb 2023 14:03:08 +0530
From:   Kathiravan T <quic_kathirav@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <jassisinghbrar@...il.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <quic_varada@...cinc.com>, <quic_srichara@...cinc.com>,
        Kathiravan T <quic_kathirav@...cinc.com>
Subject: [PATCH V3 5/5] arm64: dts: qcom: ipq5332: enable the CPUFreq support

Add the APCS, A53 PLL, cpu-opp-table nodes to bump the CPU frequency
above 800MHz.

Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
---
Changes in V3:
	- Sort the opp-table-cpu node

Changes in V2:
	- No changes

 arch/arm64/boot/dts/qcom/ipq5332.dtsi | 37 +++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
index a2ed54264d5c..4bf8c01721d6 100644
--- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
@@ -5,6 +5,7 @@
  * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
+#include <dt-bindings/clock/qcom,apss-ipq.h>
 #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
@@ -35,6 +36,8 @@
 			reg = <0x0>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			operating-points-v2 = <&cpu_opp_table>;
 		};
 
 		CPU1: cpu@1 {
@@ -43,6 +46,8 @@
 			reg = <0x1>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			operating-points-v2 = <&cpu_opp_table>;
 		};
 
 		CPU2: cpu@2 {
@@ -51,6 +56,8 @@
 			reg = <0x2>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			operating-points-v2 = <&cpu_opp_table>;
 		};
 
 		CPU3: cpu@3 {
@@ -59,6 +66,8 @@
 			reg = <0x3>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			operating-points-v2 = <&cpu_opp_table>;
 		};
 
 		L2_0: l2-cache {
@@ -79,6 +88,16 @@
 		reg = <0x0 0x40000000 0x0 0x0>;
 	};
 
+	cpu_opp_table: opp-table-cpu {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-1488000000 {
+			opp-hz = /bits/ 64 <1488000000>;
+			clock-latency-ns = <200000>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,cortex-a53-pmu";
 		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
@@ -194,6 +213,24 @@
 			};
 		};
 
+		apcs_glb: mailbox@...1000 {
+			compatible = "qcom,ipq5332-apcs-apps-global",
+				     "qcom,ipq6018-apcs-apps-global";
+			reg = <0x0b111000 0x1000>;
+			#clock-cells = <1>;
+			clocks = <&a53pll>, <&xo_board>;
+			clock-names = "pll", "xo";
+			#mbox-cells = <1>;
+		};
+
+		a53pll: clock@...6000 {
+			compatible = "qcom,ipq5332-a53pll";
+			reg = <0x0b116000 0x40>;
+			#clock-cells = <0>;
+			clocks = <&xo_board>;
+			clock-names = "xo";
+		};
+
 		timer@...0000 {
 			compatible = "arm,armv7-timer-mem";
 			reg = <0x0b120000 0x1000>;
-- 
2.17.1