arm64: dts: renesas: r8a779h0: Add CA76 operating points

Add operating points for running the Cortex-A76 CPU cores on R-Car V4M
at various speeds, up to the Normal (1.0 GHz).

Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/736b5836ec2b54e8b36712866309dc1b7ee1fc48.1706796979.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index 622775f6160f55bd73edebe904fdc842e65a5ff4..4e9e487ec51661fd419916c533723bc5387ef53d 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -14,6 +14,22 @@
        #address-cells = <2>;
        #size-cells = <2>;
 
+       cluster0_opp: opp-table-0 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp-500000000 {
+                       opp-hz = /bits/ 64 <500000000>;
+                       opp-microvolt = <825000>;
+                       clock-latency-ns = <500000>;
+               };
+               opp-1000000000 {
+                       opp-hz = /bits/ 64 <1000000000>;
+                       opp-microvolt = <825000>;
+                       clock-latency-ns = <500000>;
+               };
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
@@ -44,6 +60,7 @@
                        enable-method = "psci";
                        cpu-idle-states = <&CPU_SLEEP_0>;
                        clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC0>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                a76_1: cpu@100 {
@@ -55,6 +72,7 @@
                        enable-method = "psci";
                        cpu-idle-states = <&CPU_SLEEP_0>;
                        clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC1>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                a76_2: cpu@200 {
@@ -66,6 +84,7 @@
                        enable-method = "psci";
                        cpu-idle-states = <&CPU_SLEEP_0>;
                        clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC2>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                a76_3: cpu@300 {
@@ -77,6 +96,7 @@
                        enable-method = "psci";
                        cpu-idle-states = <&CPU_SLEEP_0>;
                        clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC3>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                idle-states {