Commit f1d17330 authored by Vignesh Raghavendra's avatar Vignesh Raghavendra Committed by Nishanth Menon
Browse files

arm64: dts: ti: Introduce base support for AM62x SoC 

This add bare minimum DT for AM62 describing ARM compute clusters, Main,
MCU and Wakeup domain and interconnects, UARTs and I2Cs to enable
booting using ramdisk.

Hierarchy of dts files:
am62.dtsi:
base SoC skeleton which is common across am62xx family of SoCs,
includes am62-main.dtsi, am62-mcu.dtsi and am62-wakeup.dtsi
representing 3 domains and peripherals in each of these domain

am625.dtsi:
describes CPU cluster (Quad A53s). Since, am625 is a current superset
device with all peripherals, am625.dtsi includes am62.dtsi completing
SoC definition.
Individual EVMs using this SoC will just need to include am625.dtsi
thus making things easier for Board and SOM Vendors.
Future derivative SoCs will have their own am62{1-9}{1-9}.dtsi
overriding cluster / peripheral definitions with their own compatibles.

More details about the SoCs can be found in the Technical Reference Manual:
https://www.ti.com/lit/pdf/spruiv7



Co-developed-by: default avatarSuman Anna <s-anna@ti.com>
Signed-off-by: default avatarSuman Anna <s-anna@ti.com>
Co-developed-by: default avatarNishanth Menon <nm@ti.com>
Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20220225120239.1303821-5-vigneshr@ti.com
parent e096242e

arch/arm64/boot/dts/ti/k3-am62-main.dtsi

0 → 100644
+267 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Device Tree Source for AM625 SoC Family Main Domain peripherals

 *

 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/

 */



&cbass_main {

	gic500: interrupt-controller@1800000 {

		compatible = "arm,gic-v3";

		#address-cells = <2>;

		#size-cells = <2>;

		ranges;

		#interrupt-cells = <3>;

		interrupt-controller;

		reg = <0x00 0x01800000 0x00 0x10000>,	/* GICD */

		      <0x00 0x01880000 0x00 0xc0000>,	/* GICR */

		      <0x00 0x01880000 0x00 0xc0000>,   /* GICR */

		      <0x01 0x00000000 0x00 0x2000>,    /* GICC */

		      <0x01 0x00010000 0x00 0x1000>,    /* GICH */

		      <0x01 0x00020000 0x00 0x2000>;    /* GICV */

		/*

		 * vcpumntirq:

		 * virtual CPU interface maintenance interrupt

		 */

		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;



		gic_its: msi-controller@1820000 {

			compatible = "arm,gic-v3-its";

			reg = <0x00 0x01820000 0x00 0x10000>;

			socionext,synquacer-pre-its = <0x1000000 0x400000>;

			msi-controller;

			#msi-cells = <1>;

		};

	};



	main_conf: syscon@100000 {

		compatible = "syscon", "simple-mfd";

		reg = <0x00 0x00100000 0x00 0x20000>;

		#address-cells = <1>;

		#size-cells = <1>;

		ranges = <0x0 0x00 0x00100000 0x20000>;

	};



	dmss: bus@48000000 {

		compatible = "simple-mfd";

		#address-cells = <2>;

		#size-cells = <2>;

		dma-ranges;

		ranges = <0x00 0x48000000 0x00 0x48000000 0x00 0x06400000>;



		ti,sci-dev-id = <25>;



		secure_proxy_main: mailbox@4d000000 {

			compatible = "ti,am654-secure-proxy";

			#mbox-cells = <1>;

			reg-names = "target_data", "rt", "scfg";

			reg = <0x00 0x4d000000 0x00 0x80000>,

			      <0x00 0x4a600000 0x00 0x80000>,

			      <0x00 0x4a400000 0x00 0x80000>;

			interrupt-names = "rx_012";

			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;

		};

	};



	dmsc: system-controller@44043000 {

		compatible = "ti,k2g-sci";

		ti,host-id = <12>;

		mbox-names = "rx", "tx";

		mboxes= <&secure_proxy_main 12>,

			<&secure_proxy_main 13>;

		reg-names = "debug_messages";

		reg = <0x00 0x44043000 0x00 0xfe0>;



		k3_pds: power-controller {

			compatible = "ti,sci-pm-domain";

			#power-domain-cells = <2>;

		};



		k3_clks: clock-controller {

			compatible = "ti,k2g-sci-clk";

			#clock-cells = <2>;

		};



		k3_reset: reset-controller {

			compatible = "ti,sci-reset";

			#reset-cells = <2>;

		};

	};



	main_pmx0: pinctrl@f4000 {

		compatible = "pinctrl-single";

		reg = <0x00 0xf4000 0x00 0x2ac>;

		#pinctrl-cells = <1>;

		pinctrl-single,register-width = <32>;

		pinctrl-single,function-mask = <0xffffffff>;

	};



	main_uart0: serial@2800000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02800000 0x00 0x100>;

		interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 146 0>;

		clock-names = "fclk";

	};



	main_uart1: serial@2810000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02810000 0x00 0x100>;

		interrupts = <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 152 0>;

		clock-names = "fclk";

	};



	main_uart2: serial@2820000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02820000 0x00 0x100>;

		interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 153 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 153 0>;

		clock-names = "fclk";

	};



	main_uart3: serial@2830000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02830000 0x00 0x100>;

		interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 154 0>;

		clock-names = "fclk";

	};



	main_uart4: serial@2840000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02840000 0x00 0x100>;

		interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 155 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 155 0>;

		clock-names = "fclk";

	};



	main_uart5: serial@2850000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02850000 0x00 0x100>;

		interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 156 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 156 0>;

		clock-names = "fclk";

	};



	main_uart6: serial@2860000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x02860000 0x00 0x100>;

		interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 158 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 158 0>;

		clock-names = "fclk";

	};



	main_i2c0: i2c@20000000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x20000000 0x00 0x100>;

		interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 102 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 102 2>;

		clock-names = "fck";

	};



	main_i2c1: i2c@20010000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x20010000 0x00 0x100>;

		interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 103 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 103 2>;

		clock-names = "fck";

	};



	main_i2c2: i2c@20020000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x20020000 0x00 0x100>;

		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 104 2>;

		clock-names = "fck";

	};



	main_i2c3: i2c@20030000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x20030000 0x00 0x100>;

		interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 105 2>;

		clock-names = "fck";

	};



	main_gpio_intr: interrupt-controller@a00000 {

		compatible = "ti,sci-intr";

		reg = <0x00 0x00a00000 0x00 0x800>;

		ti,intr-trigger-type = <1>;

		interrupt-controller;

		interrupt-parent = <&gic500>;

		#interrupt-cells = <1>;

		ti,sci = <&dmsc>;

		ti,sci-dev-id = <3>;

		ti,interrupt-ranges = <0 32 16>;

	};



	main_gpio0: gpio@600000 {

		compatible = "ti,am64-gpio", "ti,keystone-gpio";

		reg = <0x0 0x00600000 0x0 0x100>;

		gpio-controller;

		#gpio-cells = <2>;

		interrupt-parent = <&main_gpio_intr>;

		interrupts = <190>, <191>, <192>,

			     <193>, <194>, <195>;

		interrupt-controller;

		#interrupt-cells = <2>;

		ti,ngpio = <87>;

		ti,davinci-gpio-unbanked = <0>;

		power-domains = <&k3_pds 77 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 77 0>;

		clock-names = "gpio";

	};



	main_gpio1: gpio@601000 {

		compatible = "ti,am64-gpio", "ti,keystone-gpio";

		reg = <0x0 0x00601000 0x0 0x100>;

		gpio-controller;

		#gpio-cells = <2>;

		interrupt-parent = <&main_gpio_intr>;

		interrupts = <180>, <181>, <182>,

			     <183>, <184>, <185>;

		interrupt-controller;

		#interrupt-cells = <2>;

		ti,ngpio = <88>;

		ti,davinci-gpio-unbanked = <0>;

		power-domains = <&k3_pds 78 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 78 0>;

		clock-names = "gpio";

	};



	hwspinlock: spinlock@2a000000 {

		compatible = "ti,am64-hwspinlock";

		reg = <0x00 0x2a000000 0x00 0x1000>;

		#hwlock-cells = <1>;

	};



	mailbox0_cluster0: mailbox@29000000 {

		compatible = "ti,am64-mailbox";

		reg = <0x00 0x29000000 0x00 0x200>;

		interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;

		#mbox-cells = <1>;

		ti,mbox-num-users = <4>;

		ti,mbox-num-fifos = <16>;

	};

};

arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi

0 → 100644
+36 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Device Tree Source for AM625 SoC Family MCU Domain peripherals

 *

 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/

 */



&cbass_mcu {

	mcu_pmx0: pinctrl@4084000 {

		compatible = "pinctrl-single";

		reg = <0x00 0x04084000 0x00 0x88>;

		#pinctrl-cells = <1>;

		pinctrl-single,register-width = <32>;

		pinctrl-single,function-mask = <0xffffffff>;

	};



	mcu_uart0: serial@4a00000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x04a00000 0x00 0x100>;

		interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 149 0>;

		clock-names = "fclk";

	};



	mcu_i2c0: i2c@4900000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x04900000 0x00 0x100>;

		interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 106 2>;

		clock-names = "fck";

	};

};

arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi

0 → 100644
+41 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Device Tree Source for AM625 SoC Family Wakeup Domain peripherals

 *

 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/

 */



&cbass_wakeup {

	wkup_conf: syscon@43000000 {

		compatible = "syscon", "simple-mfd";

		reg = <0x00 0x43000000 0x00 0x20000>;

		#address-cells = <1>;

		#size-cells = <1>;

		ranges = <0x0 0x00 0x43000000 0x20000>;



		chipid: chipid@14 {

			compatible = "ti,am654-chipid";

			reg = <0x14 0x4>;

		};

	};



	wkup_uart0: serial@2b300000 {

		compatible = "ti,am64-uart", "ti,am654-uart";

		reg = <0x00 0x2b300000 0x00 0x100>;

		interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;

		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 114 0>;

		clock-names = "fclk";

	};



	wkup_i2c0: i2c@2b200000 {

		compatible = "ti,am64-i2c", "ti,omap4-i2c";

		reg = <0x00 0x02b200000 0x00 0x100>;

		interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		power-domains = <&k3_pds 107 TI_SCI_PD_EXCLUSIVE>;

		clocks = <&k3_clks 107 4>;

		clock-names = "fck";

	};

};

arch/arm64/boot/dts/ti/k3-am62.dtsi

0 → 100644
+105 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Device Tree Source for AM62 SoC Family

 *

 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/

 */



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/interrupt-controller/irq.h>

#include <dt-bindings/interrupt-controller/arm-gic.h>

#include <dt-bindings/pinctrl/k3.h>

#include <dt-bindings/soc/ti,sci_pm_domain.h>



/ {

	model = "Texas Instruments K3 AM625 SoC";

	compatible = "ti,am625";

	interrupt-parent = <&gic500>;

	#address-cells = <2>;

	#size-cells = <2>;



	chosen { };



	firmware {

		optee {

			compatible = "linaro,optee-tz";

			method = "smc";

		};



		psci: psci {

			compatible = "arm,psci-1.0";

			method = "smc";

		};

	};



	a53_timer0: timer-cl0-cpu0 {

		compatible = "arm,armv8-timer";

		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* cntpsirq */

			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* cntpnsirq */

			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* cntvirq */

			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* cnthpirq */

	};



	pmu: pmu {

		compatible = "arm,cortex-a53-pmu";

		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;

	};



	cbass_main: bus@f0000 {

		compatible = "simple-bus";

		#address-cells = <2>;

		#size-cells = <2>;



		ranges = <0x00 0x000f0000 0x00 0x000f0000 0x00 0x00030000>, /* Main MMRs */

			 <0x00 0x00420000 0x00 0x00420000 0x00 0x00001000>, /* ESM0 */

			 <0x00 0x00600000 0x00 0x00600000 0x00 0x00001100>, /* GPIO */

			 <0x00 0x00703000 0x00 0x00703000 0x00 0x00000200>, /* USB0 debug trace */

			 <0x00 0x0070c000 0x00 0x0070c000 0x00 0x00000200>, /* USB1 debug trace */

			 <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* Timesync router */

			 <0x00 0x01000000 0x00 0x01000000 0x00 0x01b28400>, /* First peripheral window */

			 <0x00 0x08000000 0x00 0x08000000 0x00 0x00200000>, /* Main CPSW */

			 <0x00 0x0e000000 0x00 0x0e000000 0x00 0x01d20000>, /* Second peripheral window */

			 <0x00 0x0fd00000 0x00 0x0fd00000 0x00 0x00020000>, /* GPU */

			 <0x00 0x20000000 0x00 0x20000000 0x00 0x0a008000>, /* Third peripheral window */

			 <0x00 0x30040000 0x00 0x30040000 0x00 0x00080000>, /* PRUSS-M */

			 <0x00 0x30101000 0x00 0x30101000 0x00 0x00010100>, /* CSI window */

			 <0x00 0x30200000 0x00 0x30200000 0x00 0x00010000>, /* DSS */

			 <0x00 0x31000000 0x00 0x31000000 0x00 0x00050000>, /* USB0 DWC3 Core window */

			 <0x00 0x31100000 0x00 0x31100000 0x00 0x00050000>, /* USB1 DWC3 Core window */

			 <0x00 0x43600000 0x00 0x43600000 0x00 0x00010000>, /* SA3 sproxy data */

			 <0x00 0x44043000 0x00 0x44043000 0x00 0x00000fe0>, /* TI SCI DEBUG */

			 <0x00 0x44860000 0x00 0x44860000 0x00 0x00040000>, /* SA3 sproxy config */

			 <0x00 0x48000000 0x00 0x48000000 0x00 0x06400000>, /* DMSS */

			 <0x00 0x60000000 0x00 0x60000000 0x00 0x08000000>, /* FSS0 DAT1 */

			 <0x00 0x70000000 0x00 0x70000000 0x00 0x00010000>, /* OCSRAM */

			 <0x01 0x00000000 0x01 0x00000000 0x00 0x00310000>, /* A53 PERIPHBASE */

			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, /* FSS0 DAT3 */



			 /* MCU Domain Range */

			 <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>,



			 /* Wakeup Domain Range */

			 <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>,

			 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;



		cbass_mcu: bus@4000000 {

			compatible = "simple-bus";

			#address-cells = <2>;

			#size-cells = <2>;

			ranges = <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>; /* Peripheral window */

		};



		cbass_wakeup: bus@2b000000 {

			compatible = "simple-bus";

			#address-cells = <2>;

			#size-cells = <2>;

			ranges = <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */

				 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;

		};

	};

};



/* Now include the peripherals for each bus segments */

#include "k3-am62-main.dtsi"

#include "k3-am62-mcu.dtsi"

#include "k3-am62-wakeup.dtsi"

arch/arm64/boot/dts/ti/k3-am625.dtsi

0 → 100644
+103 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Device Tree Source for AM625 SoC family in Quad core configuration

 *

 * TRM: https://www.ti.com/lit/pdf/spruiv7

 *

 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/

 */



/dts-v1/;



#include "k3-am62.dtsi"



/ {

	cpus {

		#address-cells = <1>;

		#size-cells = <0>;



		cpu-map {

			cluster0: cluster0 {

				core0 {

					cpu = <&cpu0>;

				};



				core1 {

					cpu = <&cpu1>;

				};



				core2 {

					cpu = <&cpu2>;

				};



				core3 {

					cpu = <&cpu3>;

				};

			};

		};



		cpu0: cpu@0 {

			compatible = "arm,cortex-a53";

			reg = <0x000>;

			device_type = "cpu";

			enable-method = "psci";

			i-cache-size = <0x8000>;

			i-cache-line-size = <64>;

			i-cache-sets = <256>;

			d-cache-size = <0x8000>;

			d-cache-line-size = <64>;

			d-cache-sets = <128>;

			next-level-cache = <&L2_0>;

		};



		cpu1: cpu@1 {

			compatible = "arm,cortex-a53";

			reg = <0x001>;

			device_type = "cpu";

			enable-method = "psci";

			i-cache-size = <0x8000>;

			i-cache-line-size = <64>;

			i-cache-sets = <256>;

			d-cache-size = <0x8000>;

			d-cache-line-size = <64>;

			d-cache-sets = <128>;

			next-level-cache = <&L2_0>;

		};



		cpu2: cpu@2 {

			compatible = "arm,cortex-a53";

			reg = <0x002>;

			device_type = "cpu";

			enable-method = "psci";

			i-cache-size = <0x8000>;

			i-cache-line-size = <64>;

			i-cache-sets = <256>;

			d-cache-size = <0x8000>;

			d-cache-line-size = <64>;

			d-cache-sets = <128>;

			next-level-cache = <&L2_0>;

		};



		cpu3: cpu@3 {

			compatible = "arm,cortex-a53";

			reg = <0x003>;

			device_type = "cpu";

			enable-method = "psci";

			i-cache-size = <0x8000>;

			i-cache-line-size = <64>;

			i-cache-sets = <256>;

			d-cache-size = <0x8000>;

			d-cache-line-size = <64>;

			d-cache-sets = <128>;

			next-level-cache = <&L2_0>;

		};

	};



	L2_0: l2-cache0 {

		compatible = "cache";

		cache-level = <2>;

		cache-size = <0x40000>;

		cache-line-size = <64>;

		cache-sets = <512>;

	};

};