arm64: dts: renesas: r8a779g0: Add Cortex-A76 1.8 GHz opp

Add an operating point for running the Cortex-A76 CPU cores on R-Car
V4H at 1.8 GHz (High Performance mode).

Based on a patch in the BSP by Tho Vu.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/cc2bae27776523f499d01655ef18fe463a3ae1ae.1670492384.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index 83d1666a2ea16de29c1486c10b270e14e84a7497..7a87a5dc1b6ad21907c2c658dec28ba55fcf745f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -39,6 +39,12 @@
                        clock-latency-ns = <500000>;
                        opp-suspend;
                };
+               opp-1800000000 {
+                       opp-hz = /bits/ 64 <1800000000>;
+                       opp-microvolt = <880000>;
+                       clock-latency-ns = <500000>;
+                       turbo-mode;
+               };
        };
 
        cpus {