Add a description of a SM4450 cpufreq-epss controller and references to
it from CPU nodes.
Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm4450.dtsi | 29 ++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
index 603c962661cc..92badfd5b0e1 100644
--- a/arch/arm64/boot/dts/qcom/sm4450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
@@ -29,6 +29,14 @@ sleep_clk: sleep-clk {
clock-frequency = <32000>;
#clock-cells = <0>;
};
+
+ bi_tcxo_div2: bi-tcxo-div2-clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&rpmhcc RPMH_CXO_CLK>;
+ clock-mult = <1>;
+ clock-div = <2>;
+ };
};
cpus {
@@ -43,6 +51,7 @@ CPU0: cpu@0 {
next-level-cache = <&L2_0>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_0: l2-cache {
@@ -67,6 +76,7 @@ CPU1: cpu@100 {
next-level-cache = <&L2_100>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_100: l2-cache {
@@ -85,6 +95,7 @@ CPU2: cpu@200 {
next-level-cache = <&L2_200>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_200: l2-cache {
@@ -103,6 +114,7 @@ CPU3: cpu@300 {
next-level-cache = <&L2_300>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_300: l2-cache {
@@ -121,6 +133,7 @@ CPU4: cpu@400 {
next-level-cache = <&L2_400>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_400: l2-cache {
@@ -139,6 +152,7 @@ CPU5: cpu@500 {
next-level-cache = <&L2_500>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 0>;
#cooling-cells = <2>;
L2_500: l2-cache {
@@ -157,6 +171,7 @@ CPU6: cpu@600 {
next-level-cache = <&L2_600>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 1>;
#cooling-cells = <2>;
L2_600: l2-cache {
@@ -175,6 +190,7 @@ CPU7: cpu@700 {
next-level-cache = <&L2_700>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
+ qcom,freq-domain = <&cpufreq_hw 1>;
#cooling-cells = <2>;
L2_700: l2-cache {
@@ -526,6 +542,19 @@ rpmhcc: clock-controller {
};
};
+ cpufreq_hw: cpufreq@17d91000 {
+ compatible = "qcom,sm4450-cpufreq-epss", "qcom,cpufreq-epss";
+ reg = <0 0x17d91000 0 0x1000>,
+ <0 0x17d92000 0 0x1000>;
+ reg-names = "freq-domain0", "freq-domain1";
+ clocks = <&bi_tcxo_div2>, <&gcc GCC_GPLL0>;
+ clock-names = "xo", "alternate";
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "dcvsh-irq-0", "dcvsh-irq-1";
+ #freq-domain-cells = <1>;
+ #clock-cells = <1>;
+ };
};
timer {
--
2.25.1
