arm64: dts: ti: am62-phycore-som: Increase cpu frequency to 1.4 GHz

The am625 is capable of running at 1.4 GHz when VDD_CORE is increased
from 0.75V to 0.85V. Here we add a 1.4 GHz node to the a53_opp_table and
increase the VDD_CORE voltage accordingly.

Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20241001071916.1362213-2-ggiordano@phytec.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
index 43488cc8bcb1e1e373647721b05d5193bba7d2af..236b94c0248cf3eb4d7241d1795e134b5c074df3 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
@@ -173,6 +173,13 @@
        };
 };
 
+&a53_opp_table {
+       opp-1400000000 {
+               opp-hz = /bits/ 64 <1400000000>;
+               opp-supported-hw = <0x01 0x0004>;
+       };
+};
+
 &cpsw3g {
        pinctrl-names = "default";
        pinctrl-0 = <&main_rgmii1_pins_default>;
@@ -226,8 +233,8 @@
                regulators {
                        vdd_core: buck1 {
                                regulator-name = "VDD_CORE";
-                               regulator-min-microvolt = <750000>;
-                               regulator-max-microvolt = <750000>;
+                               regulator-min-microvolt = <850000>;
+                               regulator-max-microvolt = <850000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };