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Diffstat (limited to 'arch/arm64/boot/dts/apple/t8012.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8012.dtsi | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/t8012.dtsi b/arch/arm64/boot/dts/apple/t8012.dtsi new file mode 100644 index 000000000000..42df2f51ad7b --- /dev/null +++ b/arch/arm64/boot/dts/apple/t8012.dtsi @@ -0,0 +1,281 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +/* + * Apple T8012 "T2" SoC + * + * Other names: H9M, "Gibraltar" + * + * Copyright (c) 2024, Nick Chan <towinchenmi@gmail.com> + */ + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/apple-aic.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/pinctrl/apple.h> + +/ { + interrupt-parent = <&aic>; + #address-cells = <2>; + #size-cells = <2>; + + clkref: clock-ref { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + clock-output-names = "clkref"; + }; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@10000 { + compatible = "apple,hurricane-zephyr"; + reg = <0x0 0x10000>; + cpu-release-addr = <0 0>; /* To be filled by loader */ + operating-points-v2 = <&fusion_opp>; + performance-domains = <&cpufreq>; + enable-method = "spin-table"; + device_type = "cpu"; + }; + + cpu1: cpu@10001 { + compatible = "apple,hurricane-zephyr"; + reg = <0x0 0x10001>; + cpu-release-addr = <0 0>; /* To be filled by loader */ + operating-points-v2 = <&fusion_opp>; + performance-domains = <&cpufreq>; + enable-method = "spin-table"; + device_type = "cpu"; + }; + }; + + fusion_opp: opp-table { + compatible = "operating-points-v2"; + + /* + * Apple Fusion Architecture: Hardware big.LITTLE switcher + * that use p-state transitions to switch between cores. + * Only one type of core can be active at a given time. + * + * The E-core frequencies are adjusted so performance scales + * linearly with reported clock speed. + */ + + opp01 { + opp-hz = /bits/ 64 <172000000>; /* 300 MHz, E-core */ + opp-level = <1>; + clock-latency-ns = <11000>; + }; + opp02 { + opp-hz = /bits/ 64 <230000000>; /* 396 MHz, E-core */ + opp-level = <2>; + clock-latency-ns = <140000>; + }; + opp03 { + opp-hz = /bits/ 64 <425000000>; /* 732 MHz, E-core */ + opp-level = <3>; + clock-latency-ns = <110000>; + }; + opp04 { + opp-hz = /bits/ 64 <637000000>; /* 1092 MHz, E-core */ + opp-level = <4>; + clock-latency-ns = <130000>; + }; + opp05 { + opp-hz = /bits/ 64 <756000000>; + opp-level = <5>; + clock-latency-ns = <130000>; + }; + opp06 { + opp-hz = /bits/ 64 <1056000000>; + opp-level = <6>; + clock-latency-ns = <130000>; + }; + opp07 { + opp-hz = /bits/ 64 <1356000000>; + opp-level = <7>; + clock-latency-ns = <130000>; + }; + opp08 { + opp-hz = /bits/ 64 <1644000000>; + opp-level = <8>; + clock-latency-ns = <135000>; + }; + opp09 { + opp-hz = /bits/ 64 <1944000000>; + opp-level = <9>; + clock-latency-ns = <140000>; + }; + opp10 { + opp-hz = /bits/ 64 <2244000000>; + opp-level = <10>; + clock-latency-ns = <150000>; + }; +#if 0 + /* Not available until CPU deep sleep is implemented */ + opp11 { + opp-hz = /bits/ 64 <2340000000>; + opp-level = <11>; + clock-latency-ns = <150000>; + turbo-mode; + }; +#endif + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + nonposted-mmio; + ranges; + + cpufreq: performance-controller@202f20000 { + compatible = "apple,t8010-cluster-cpufreq", "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq"; + reg = <0x2 0x02f20000 0 0x1000>; + #performance-domain-cells = <0>; + }; + + serial0: serial@20a600000 { + compatible = "apple,s5l-uart"; + reg = <0x2 0x0a600000 0x0 0x4000>; + reg-io-width = <4>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 271 IRQ_TYPE_LEVEL_HIGH>; + /* Use the bootloader-enabled clocks for now. */ + clocks = <&clkref>, <&clkref>; + clock-names = "uart", "clk_uart_baud0"; + power-domains = <&ps_uart0>; + status = "disabled"; + }; + + pmgr: power-management@20e000000 { + compatible = "apple,t8010-pmgr", "apple,pmgr", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + + reg = <0x2 0xe000000 0 0x8c000>; + }; + + aic: interrupt-controller@20e100000 { + compatible = "apple,t8010-aic", "apple,aic"; + reg = <0x2 0x0e100000 0x0 0x100000>; + #interrupt-cells = <3>; + interrupt-controller; + power-domains = <&ps_aic>; + }; + + pinctrl_ap: pinctrl@20f100000 { + compatible = "apple,t8010-pinctrl", "apple,pinctrl"; + reg = <0x2 0x0f100000 0x0 0x100000>; + power-domains = <&ps_gpio>; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_ap 0 0 221>; + apple,npins = <221>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 45 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 46 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 47 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 48 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 49 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 50 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 51 IRQ_TYPE_LEVEL_HIGH>; + }; + + pinctrl_aop: pinctrl@2100f0000 { + compatible = "apple,t8010-pinctrl", "apple,pinctrl"; + reg = <0x2 0x0100f0000 0x0 0x10000>; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_aop 0 0 41>; + apple,npins = <41>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 131 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 132 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 133 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 134 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 135 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 136 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 137 IRQ_TYPE_LEVEL_HIGH>; + }; + + pinctrl_nub: pinctrl@2111f0000 { + compatible = "apple,t8010-pinctrl", "apple,pinctrl"; + reg = <0x2 0x111f0000 0x0 0x1000>; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_nub 0 0 19>; + apple,npins = <19>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 164 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 165 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 166 IRQ_TYPE_LEVEL_HIGH>; + }; + + pmgr_mini: power-management@211200000 { + compatible = "apple,t8010-pmgr", "apple,pmgr", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + + reg = <0x2 0x11200000 0 0x84000>; + }; + + wdt: watchdog@2112b0000 { + compatible = "apple,t8010-wdt", "apple,wdt"; + reg = <0x2 0x112b0000 0x0 0x4000>; + clocks = <&clkref>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 168 IRQ_TYPE_LEVEL_HIGH>; + }; + + pinctrl_smc: pinctrl@212024000 { + compatible = "apple,t8010-pinctrl", "apple,pinctrl"; + reg = <0x2 0x12024000 0x0 0x1000>; + power-domains = <&ps_smc_cpu>; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_smc 0 0 81>; + apple,npins = <81>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 195 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 196 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 197 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 198 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 199 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 200 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 201 IRQ_TYPE_LEVEL_HIGH>; + /* + * SMC is not yet supported and accessing this pinctrl while SMC is + * suspended results in a hang. + */ + status = "disabled"; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&aic>; + interrupt-names = "phys", "virt"; + /* Note that T2 doesn't actually have a hypervisor (EL2 is not implemented). */ + interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>, + <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>; + }; +}; + +#include "t8012-pmgr.dtsi" |