arm64: dts: ti: k3-am62p5-sk: add 1.4ghz opp entry

The AM62Px reference board is capable of supplying 0v85 to the VDD_CORE
which allows the Cortex-A53s to operate at 1.4GHz according to chapter
6.6 of the SoC's data sheet[0] . Append the 1.4Ghz entry to the OPP
table to enable this frequency

[0] https://www.ti.com/lit/ds/symlink/am62p-q1.pdf

Signed-off-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Link: https://lore.kernel.org/r/20241008132052.407994-5-d-gole@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 3efa12bb72546291e2fda79695edf577bbb134a1..7f3dc39e12bc9ca4a746ff092f946b84a36404b3 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -128,6 +128,15 @@
                };
        };
 
+       opp-table {
+               /* Requires VDD_CORE at 0v85 */
+               opp-1400000000 {
+                       opp-hz = /bits/ 64 <1400000000>;
+                       opp-supported-hw = <0x01 0x0004>;
+                       clock-latency-ns = <6000000>;
+               };
+       };
+
        tlv320_mclk: clk-0 {
                #clock-cells = <0>;
                compatible = "fixed-clock";