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Message-Id: <20240131102003.2061203-1-amadeus@jmu.edu.cn>
Date: Wed, 31 Jan 2024 18:20:01 +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 1/3] arm64: dts: qcom: ipq6018: separate CPU OPP tables
Some IPQ6000 SoCs do not come with PMIC (MP5496) chip,
which causes cpufreq to be unavailable due to lack of
cpu-supply. Separate CPU OPP tables from soc.dtsi to
support versions with and without PMIC chip.
Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts | 1 +
arch/arm64/boot/dts/qcom/ipq6018-opp.dtsi | 74 ++++++++++++++++++++
arch/arm64/boot/dts/qcom/ipq6018.dtsi | 56 ---------------
3 files changed, 75 insertions(+), 56 deletions(-)
create mode 100644 arch/arm64/boot/dts/qcom/ipq6018-opp.dtsi
diff --git a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
index f5f4827c0e17..06dfc2cb6b7f 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
+++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
@@ -8,6 +8,7 @@
/dts-v1/;
#include "ipq6018.dtsi"
+#include "ipq6018-opp.dtsi"
/ {
model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1";
diff --git a/arch/arm64/boot/dts/qcom/ipq6018-opp.dtsi b/arch/arm64/boot/dts/qcom/ipq6018-opp.dtsi
new file mode 100644
index 000000000000..9c0bed2d8bf5
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq6018-opp.dtsi
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * IPQ60xx with 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-1320000000 {
+ opp-hz = /bits/ 64 <1320000000>;
+ opp-microvolt = <862500>;
+ opp-supported-hw = <0x3>;
+ clock-latency-ns = <200000>;
+ };
+
+ opp-1440000000 {
+ opp-hz = /bits/ 64 <1440000000>;
+ opp-microvolt = <925000>;
+ opp-supported-hw = <0x3>;
+ clock-latency-ns = <200000>;
+ };
+
+ opp-1608000000 {
+ opp-hz = /bits/ 64 <1608000000>;
+ opp-microvolt = <987500>;
+ opp-supported-hw = <0x1>;
+ clock-latency-ns = <200000>;
+ };
+
+ opp-1800000000 {
+ opp-hz = /bits/ 64 <1800000000>;
+ opp-microvolt = <1062500>;
+ opp-supported-hw = <0x1>;
+ clock-latency-ns = <200000>;
+ };
+ };
+};
+
+&CPU0 {
+ operating-points-v2 = <&cpu_opp_table>;
+ cpu-supply = <&ipq6018_s2>;
+};
+
+&CPU1 {
+ operating-points-v2 = <&cpu_opp_table>;
+ cpu-supply = <&ipq6018_s2>;
+};
+
+&CPU2 {
+ operating-points-v2 = <&cpu_opp_table>;
+ cpu-supply = <&ipq6018_s2>;
+};
+
+&CPU3 {
+ operating-points-v2 = <&cpu_opp_table>;
+ cpu-supply = <&ipq6018_s2>;
+};
diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 5e1277fea725..ea72fd5739ac 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -41,8 +41,6 @@ CPU0: cpu@0 {
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
};
CPU1: cpu@1 {
@@ -53,8 +51,6 @@ CPU1: cpu@1 {
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
};
CPU2: cpu@2 {
@@ -65,8 +61,6 @@ CPU2: cpu@2 {
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
};
CPU3: cpu@3 {
@@ -77,8 +71,6 @@ CPU3: cpu@3 {
next-level-cache = <&L2_0>;
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
};
L2_0: l2-cache {
@@ -95,54 +87,6 @@ scm {
};
};
- 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-1320000000 {
- opp-hz = /bits/ 64 <1320000000>;
- opp-microvolt = <862500>;
- opp-supported-hw = <0x3>;
- clock-latency-ns = <200000>;
- };
-
- opp-1440000000 {
- opp-hz = /bits/ 64 <1440000000>;
- opp-microvolt = <925000>;
- opp-supported-hw = <0x3>;
- clock-latency-ns = <200000>;
- };
-
- opp-1608000000 {
- opp-hz = /bits/ 64 <1608000000>;
- opp-microvolt = <987500>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
-
- opp-1800000000 {
- opp-hz = /bits/ 64 <1800000000>;
- opp-microvolt = <1062500>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
- };
-
pmuv8: pmu {
compatible = "arm,cortex-a53-pmu";
interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
--
2.25.1
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