Add the APCS, A53 PLL, cpu-opp-table nodes to set
the CPU frequency at 800MHz (idle) or 1.008GHz.
Co-developed-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/ipq5018.dtsi | 40 +++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
index 9f13d2dcdfd5..56f3c5260bbd 100644
--- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
@@ -5,6 +5,7 @@
* Copyright (c) 2023 The Linux Foundation. All rights reserved.
*/
+#include <dt-bindings/clock/qcom,apss-ipq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-ipq5018.h>
#include <dt-bindings/reset/qcom,gcc-ipq5018.h>
@@ -36,6 +37,8 @@ CPU0: cpu@0 {
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 {
@@ -44,6 +47,8 @@ CPU1: cpu@1 {
reg = <0x1>;
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 {
@@ -54,6 +59,23 @@ L2_0: l2-cache {
};
};
+ cpu_opp_table: opp-table-cpu {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1100000>;
+ clock-latency-ns = <200000>;
+ };
+
+ opp-1008000000 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1100000>;
+ clock-latency-ns = <200000>;
+ };
+ };
+
firmware {
scm {
compatible = "qcom,scm-ipq5018", "qcom,scm";
@@ -181,6 +203,24 @@ v2m1: v2m@1000 {
};
};
+ apcs_glb: mailbox@b111000 {
+ compatible = "qcom,ipq5018-apcs-apps-global",
+ "qcom,ipq6018-apcs-apps-global";
+ reg = <0x0b111000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&a53pll>, <&xo_board_clk>, <&gcc GPLL0>;
+ clock-names = "pll", "xo", "gpll0";
+ #mbox-cells = <1>;
+ };
+
+ a53pll: clock@b116000 {
+ compatible = "qcom,ipq5018-a53pll";
+ reg = <0x0b116000 0x40>;
+ #clock-cells = <0>;
+ clocks = <&xo_board_clk>;
+ clock-names = "xo";
+ };
+
timer@b120000 {
compatible = "arm,armv7-timer-mem";
reg = <0x0b120000 0x1000>;
--
2.34.1
