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[V4,2/6] arm64: dts: ti: k3-am62a7-sk: add 1.4ghz opp entry

Message ID 20240919082809.174589-3-d-gole@ti.com (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series ti: k3-am62{a,p}x-sk: add opp frequencies | expand

Commit Message

Dhruva Gole Sept. 19, 2024, 8:28 a.m. UTC 
From: Bryan Brattlof <bb@ti.com>

The AM62Ax reference board is capable of supplying 0v85 to the VDD_CORE
which allows the Cortex-A53s to operate at 1.4GHz according to chapter
7.5 of the SoC's data sheet[0]. Append the 1.4Ghz entry to the OPP table
to enable this OPP

[0] https://www.ti.com/lit/ds/symlink/am62a3.pdf

Signed-off-by: Bryan Brattlof <bb@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 67faf46d7a35..a6f0d87a50d8 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -68,6 +68,15 @@  wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 {
 		};
 	};
 
+	opp-table {
+		/* Requires VDD_CORE at 0v85 */
+		opp-1400000000 {
+			opp-hz = /bits/ 64 <1400000000>;
+			opp-supported-hw = <0x01 0x0004>;
+			clock-latency-ns = <6000000>;
+		};
+	};
+
 	vmain_pd: regulator-0 {
 		/* TPS25750 PD CONTROLLER OUTPUT */
 		compatible = "regulator-fixed";