xref: /freebsd/sys/contrib/device-tree/src/arm64/apple/s8003.dtsi (revision 8ccc0d235c226d84112561d453c49904398d085c)

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Apple S8003 "A9" (TSMC) SoC
 *
 * Other names: H8P, "Malta"
 *
 * Copyright (c) 2024, Nick Chan <towinchenmi@gmail.com>
 */

#include "s800-0-3.dtsi"

/ {
	twister_opp: opp-table {
		compatible = "operating-points-v2";

		opp01 {
			opp-hz = /bits/ 64 <300000000>;
			opp-level = <1>;
			clock-latency-ns = <500>;
		};
		opp02 {
			opp-hz = /bits/ 64 <396000000>;
			opp-level = <2>;
			clock-latency-ns = <45000>;
		};
		opp03 {
			opp-hz = /bits/ 64 <600000000>;
			opp-level = <3>;
			clock-latency-ns = <22000>;
		};
		opp04 {
			opp-hz = /bits/ 64 <912000000>;
			opp-level = <4>;
			clock-latency-ns = <25000>;
		};
		opp05 {
			opp-hz = /bits/ 64 <1200000000>;
			opp-level = <5>;
			clock-latency-ns = <28000>;
		};
		opp06 {
			opp-hz = /bits/ 64 <1512000000>;
			opp-level = <6>;
			clock-latency-ns = <35000>;
		};
		opp07 {
			opp-hz = /bits/ 64 <1800000000>;
			opp-level = <7>;
			clock-latency-ns = <38000>;
		};
#if 0
		/* Not available until CPU deep sleep is implemented */
		opp08 {
			opp-hz = /bits/ 64 <1844000000>;
			opp-level = <8>;
			clock-latency-ns = <38000>;
			turbo-mode;
		};
#endif
	};
};

/*
 * The A9 was made by two separate fabs on two different process
 * nodes: Samsung made the S8000 (APL0898) on 14nm and TSMC made
 * the S8003 (APL1022) on 16nm. There are some minor differences
 * such as timing in cpufreq state transistions.
 */