From: Bryan Brattlof <bb@ti.com>
Date: Tue, 8 Oct 2024 13:20:53 +0000 (+0530)
Subject: arm64: dts: ti: k3-am62p5-sk: add 1.4ghz opp entry
X-Git-Tag: v6.13-rc1~140^2~16^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=50f5ad2cb52f322d472dfb451881bea7d7d78d32;p=thirdparty%2Fkernel%2Flinux.git

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 3efa12bb72546..7f3dc39e12bc9 100644
--- 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";