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Date: Thu, 9 Dec 2021 16:05:04 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: linux-arm-msm@...r.kernel.org,
Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
Andy Gross <agross@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Vinod Koul <vkoul@...nel.org>
Subject: [PATCH v2 12/13] arm64: dts: qcom: sm8450: add cpufreq support
From: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
The change adds a description of a SM8450 cpufreq-epss controller and
references to it from CPU nodes.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index f303e12dbfb7..94bc8b352547 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -45,6 +45,7 @@ CPU0: cpu@0 {
next-level-cache = <&L2_0>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_0: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -62,6 +63,7 @@ CPU1: cpu@100 {
next-level-cache = <&L2_100>;
power-domains = <&CPU_PD1>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_100: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -76,6 +78,7 @@ CPU2: cpu@200 {
next-level-cache = <&L2_200>;
power-domains = <&CPU_PD2>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_200: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -90,6 +93,7 @@ CPU3: cpu@300 {
next-level-cache = <&L2_300>;
power-domains = <&CPU_PD3>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
L2_300: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -104,6 +108,7 @@ CPU4: cpu@400 {
next-level-cache = <&L2_400>;
power-domains = <&CPU_PD4>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_400: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -118,6 +123,7 @@ CPU5: cpu@500 {
next-level-cache = <&L2_500>;
power-domains = <&CPU_PD5>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_500: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -133,6 +139,7 @@ CPU6: cpu@600 {
next-level-cache = <&L2_600>;
power-domains = <&CPU_PD6>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 1>;
L2_600: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -147,6 +154,7 @@ CPU7: cpu@700 {
next-level-cache = <&L2_700>;
power-domains = <&CPU_PD7>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 2>;
L2_700: l2-cache {
compatible = "cache";
next-level-cache = <&L3_0>;
@@ -942,6 +950,21 @@ rpmhpd_opp_turbo_l1: opp10 {
};
+ cpufreq_hw: cpufreq@...91000 {
+ compatible = "qcom,sm8450-cpufreq-epss", "qcom,cpufreq-epss";
+ reg = <0 0x17d91000 0 0x1000>,
+ <0 0x17d92000 0 0x1000>,
+ <0 0x17d93000 0 0x1000>;
+ reg-names = "freq-domain0", "freq-domain1", "freq-domain2";
+ clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
+ clock-names = "xo", "alternate";
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "dcvsh-irq-0", "dcvsh-irq-1", "dcvsh-irq-2";
+ #freq-domain-cells = <1>;
+ };
+
gem_noc: interconnect@...00000 {
compatible = "qcom,sm8450-gem-noc";
reg = <0 0x19100000 0 0xbb800>;
--
2.31.1
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