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Date: Tue, 15 Sep 2020 12:54:20 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: rjw@...ysocki.net, viresh.kumar@...aro.org, robh+dt@...nel.org,
agross@...nel.org, bjorn.andersson@...aro.org
Cc: amitk@...nel.org, linux-pm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, dmitry.baryshkov@...aro.org,
tdas@...eaurora.org,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v2 2/5] arm64: dts: qcom: sm8250: Add cpufreq hw node
From: Bjorn Andersson <bjorn.andersson@...aro.org>
Add cpufreq HW device node to scale 4-Silver/3-Gold/1-Gold+ cores
on SM8250 SoCs.
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
Reviewed-by: Amit Kucheria <amitk@...nel.org>
---
arch/arm64/boot/dts/qcom/sm8250.dtsi | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index e7d139e1a6ce..7eb0eda37b26 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -87,6 +87,7 @@
reg = <0x0 0x0>;
enable-method = "psci";
next-level-cache = <&L2_0>;
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_0: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -102,6 +103,7 @@
reg = <0x0 0x100>;
enable-method = "psci";
next-level-cache = <&L2_100>;
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_100: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -114,6 +116,7 @@
reg = <0x0 0x200>;
enable-method = "psci";
next-level-cache = <&L2_200>;
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_200: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -126,6 +129,7 @@
reg = <0x0 0x300>;
enable-method = "psci";
next-level-cache = <&L2_300>;
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_300: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -138,6 +142,7 @@
reg = <0x0 0x400>;
enable-method = "psci";
next-level-cache = <&L2_400>;
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_400: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -150,6 +155,7 @@
reg = <0x0 0x500>;
enable-method = "psci";
next-level-cache = <&L2_500>;
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_500: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -163,6 +169,7 @@
reg = <0x0 0x600>;
enable-method = "psci";
next-level-cache = <&L2_600>;
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_600: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -175,6 +182,7 @@
reg = <0x0 0x700>;
enable-method = "psci";
next-level-cache = <&L2_700>;
+ qcom,freq-domain = <&cpufreq_hw 2>;
L2_700: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -2076,6 +2084,20 @@
};
};
};
+
+ cpufreq_hw: cpufreq@...91000 {
+ compatible = "qcom,sm8250-cpufreq-epss", "qcom,cpufreq-epss";
+ reg = <0 0x18591000 0 0x1000>,
+ <0 0x18592000 0 0x1000>,
+ <0 0x18593000 0 0x1000>;
+ reg-names = "freq-domain0", "freq-domain1",
+ "freq-domain2";
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+ clock-names = "xo", "alternate";
+
+ #freq-domain-cells = <1>;
+ };
};
timer {
--
2.17.1
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