linux/arch/arm/boot/dts/am4372.dtsi

/*
 * Device Tree Source for AM4372 SoC
 *
 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#include <dt-bindings/bus/ti-sysc.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/am4.h>

/ {
	compatible = "ti,am4372", "ti,am43";
	interrupt-parent = <&wakeupgen>;
	#address-cells = <1>;
	#size-cells = <1>;
	chosen { };

	memory@0 {
		device_type = "memory";
		reg = <0 0>;
	};

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;
		serial5 = &uart5;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
		spi0 = &qspi;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu: cpu@0 {
			compatible = "arm,cortex-a9";
			enable-method = "ti,am4372";
			device_type = "cpu";
			reg = <0>;

			clocks = <&dpll_mpu_ck>;
			clock-names = "cpu";

			operating-points-v2 = <&cpu0_opp_table>;

			clock-latency = <300000>; /* From omap-cpufreq driver */
			cpu-idle-states = <&mpu_gate>;
		};

		idle-states {
			mpu_gate: mpu_gate {
				compatible = "arm,idle-state";
				entry-latency-us = <40>;
				exit-latency-us = <100>;
				min-residency-us = <300>;
				local-timer-stop;
			};
		};
	};

	cpu0_opp_table: opp-table {
		compatible = "operating-points-v2-ti-cpu";
		syscon = <&scm_conf>;

		opp50-300000000 {
			opp-hz = /bits/ 64 <300000000>;
			opp-microvolt = <950000 931000 969000>;
			opp-supported-hw = <0xFF 0x01>;
			opp-suspend;
		};

		opp100-600000000 {
			opp-hz = /bits/ 64 <600000000>;
			opp-microvolt = <1100000 1078000 1122000>;
			opp-supported-hw = <0xFF 0x04>;
		};

		opp120-720000000 {
			opp-hz = /bits/ 64 <720000000>;
			opp-microvolt = <1200000 1176000 1224000>;
			opp-supported-hw = <0xFF 0x08>;
		};

		oppturbo-800000000 {
			opp-hz = /bits/ 64 <800000000>;
			opp-microvolt = <1260000 1234800 1285200>;
			opp-supported-hw = <0xFF 0x10>;
		};

		oppnitro-1000000000 {
			opp-hz = /bits/ 64 <1000000000>;
			opp-microvolt = <1325000 1298500 1351500>;
			opp-supported-hw = <0xFF 0x20>;
		};
	};

	soc {
		compatible = "ti,omap-infra";
		mpu {
			compatible = "ti,omap4-mpu";
			ti,hwmods = "mpu";
			pm-sram = <&pm_sram_code
				   &pm_sram_data>;
		};
	};

	gic: interrupt-controller@48241000 {
		compatible = "arm,cortex-a9-gic";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0x48241000 0x1000>,
		      <0x48240100 0x0100>;
		interrupt-parent = <&gic>;
	};

	wakeupgen: interrupt-controller@48281000 {
		compatible = "ti,omap4-wugen-mpu";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0x48281000 0x1000>;
		interrupt-parent = <&gic>;
	};

	scu: scu@48240000 {
		compatible = "arm,cortex-a9-scu";
		reg = <0x48240000 0x100>;
	};

	global_timer: timer@48240200 {
		compatible = "arm,cortex-a9-global-timer";
		reg = <0x48240200 0x100>;
		interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
		interrupt-parent = <&gic>;
		clocks = <&mpu_periphclk>;
	};

	local_timer: timer@48240600 {
		compatible = "arm,cortex-a9-twd-timer";
		reg = <0x48240600 0x100>;
		interrupts = <GIC_PPI 13 IRQ_TYPE_EDGE_RISING>;
		interrupt-parent = <&gic>;
		clocks = <&mpu_periphclk>;
	};

	cache-controller@48242000 {
		compatible = "arm,pl310-cache";
		reg = <0x48242000 0x1000>;
		cache-unified;
		cache-level = <2>;
	};

	ocp@44000000 {
		compatible = "ti,am4372-l3-noc", "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;
		ti,hwmods = "l3_main";
		ti,no-idle;
		reg = <0x44000000 0x400000
		       0x44800000 0x400000>;
		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;

		l4_wkup: interconnect@44c00000 {
			wkup_m3: wkup_m3@100000 {
				compatible = "ti,am4372-wkup-m3";
				reg = <0x100000 0x4000>,
				      <0x180000	0x2000>;
				reg-names = "umem", "dmem";
				ti,hwmods = "wkup_m3";
				ti,pm-firmware = "am335x-pm-firmware.elf";
			};
		};
		l4_per: interconnect@48000000 {
		};
		l4_fast: interconnect@4a000000 {
		};

		emif: emif@4c000000 {
			compatible = "ti,emif-am4372";
			reg = <0x4c000000 0x1000000>;
			ti,hwmods = "emif";
			interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
			ti,no-idle;
			sram = <&pm_sram_code
				&pm_sram_data>;
		};

		target-module@49000000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x49000000 0x4>;
			reg-names = "rev";
			clocks = <&l3_clkctrl AM4_L3_TPCC_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x49000000 0x10000>;

			edma: dma@0 {
				compatible = "ti,edma3-tpcc";
				reg = <0 0x10000>;
				reg-names = "edma3_cc";
				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
					     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
					     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-names = "edma3_ccint", "edma3_mperr",
						  "edma3_ccerrint";
				dma-requests = <64>;
				#dma-cells = <2>;

				ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 5>,
					   <&edma_tptc2 0>;

				ti,edma-memcpy-channels = <58 59>;
			};
		};

		target-module@49800000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x49800000 0x4>,
			      <0x49800010 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-mask = <SYSC_OMAP4_SOFTRESET>;
			ti,sysc-midle = <SYSC_IDLE_FORCE>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_SMART>;
			clocks = <&l3_clkctrl AM4_L3_TPTC0_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x49800000 0x100000>;

			edma_tptc0: dma@0 {
				compatible = "ti,edma3-tptc";
				reg = <0 0x100000>;
				interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-names = "edma3_tcerrint";
			};
		};

		target-module@49900000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x49900000 0x4>,
			      <0x49900010 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-mask = <SYSC_OMAP4_SOFTRESET>;
			ti,sysc-midle = <SYSC_IDLE_FORCE>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_SMART>;
			clocks = <&l3_clkctrl AM4_L3_TPTC1_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x49900000 0x100000>;

			edma_tptc1: dma@0 {
				compatible = "ti,edma3-tptc";
				reg = <0 0x100000>;
				interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-names = "edma3_tcerrint";
			};
		};

		target-module@49a00000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x49a00000 0x4>,
			      <0x49a00010 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-mask = <SYSC_OMAP4_SOFTRESET>;
			ti,sysc-midle = <SYSC_IDLE_FORCE>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_SMART>;
			clocks = <&l3_clkctrl AM4_L3_TPTC2_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x49a00000 0x100000>;

			edma_tptc2: dma@0 {
				compatible = "ti,edma3-tptc";
				reg = <0 0x100000>;
				interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-names = "edma3_tcerrint";
			};
		};

		target-module@47810000 {
			compatible = "ti,sysc-omap2", "ti,sysc";
			reg = <0x478102fc 0x4>,
			      <0x47810110 0x4>,
			      <0x47810114 0x4>;
			reg-names = "rev", "sysc", "syss";
			ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
					 SYSC_OMAP2_ENAWAKEUP |
					 SYSC_OMAP2_SOFTRESET |
					 SYSC_OMAP2_AUTOIDLE)>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			ti,syss-mask = <1>;
			clocks = <&l3s_clkctrl AM4_L3S_MMC3_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x47810000 0x1000>;

			mmc3: mmc@0 {
				compatible = "ti,am437-sdhci";
				ti,needs-special-reset;
				interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
				reg = <0x0 0x1000>;
				status = "disabled";
			};
		};

		sham_target: target-module@53100000 {
			compatible = "ti,sysc-omap3-sham", "ti,sysc";
			reg = <0x53100100 0x4>,
			      <0x53100110 0x4>,
			      <0x53100114 0x4>;
			reg-names = "rev", "sysc", "syss";
			ti,sysc-mask = <(SYSC_OMAP2_SOFTRESET |
					 SYSC_OMAP2_AUTOIDLE)>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			ti,syss-mask = <1>;
			/* Domains (P, C): per_pwrdm, l3_clkdm */
			clocks = <&l3_clkctrl AM4_L3_SHAM_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x53100000 0x1000>;

			sham: sham@0 {
				compatible = "ti,omap5-sham";
				reg = <0 0x300>;
				dmas = <&edma 36 0>;
				dma-names = "rx";
				interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
			};
		};

		aes_target: target-module@53501000 {
			compatible = "ti,sysc-omap2", "ti,sysc";
			reg = <0x53501080 0x4>,
			      <0x53501084 0x4>,
			      <0x53501088 0x4>;
			reg-names = "rev", "sysc", "syss";
			ti,sysc-mask = <(SYSC_OMAP2_SOFTRESET |
					 SYSC_OMAP2_AUTOIDLE)>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>,
					<SYSC_IDLE_SMART_WKUP>;
			ti,syss-mask = <1>;
			/* Domains (P, C): per_pwrdm, l3_clkdm */
			clocks = <&l3_clkctrl AM4_L3_AES_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x53501000 0x1000>;

			aes: aes@0 {
				compatible = "ti,omap4-aes";
				reg = <0 0xa0>;
				interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
				dmas = <&edma 6 0>,
				      <&edma 5 0>;
				dma-names = "tx", "rx";
			};
		};

		des_target: target-module@53701000 {
			compatible = "ti,sysc-omap2", "ti,sysc";
			reg = <0x53701030 0x4>,
			      <0x53701034 0x4>,
			      <0x53701038 0x4>;
			reg-names = "rev", "sysc", "syss";
			ti,sysc-mask = <(SYSC_OMAP2_SOFTRESET |
					 SYSC_OMAP2_AUTOIDLE)>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>,
					<SYSC_IDLE_SMART_WKUP>;
			ti,syss-mask = <1>;
			/* Domains (P, C): per_pwrdm, l3_clkdm */
			clocks = <&l3_clkctrl AM4_L3_DES_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0x53701000 0x1000>;

			des: des@0 {
				compatible = "ti,omap4-des";
				reg = <0 0xa0>;
				interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
				dmas = <&edma 34 0>,
				       <&edma 33 0>;
				dma-names = "tx", "rx";
			};
		};

		pruss_tm: target-module@54400000 {
			compatible = "ti,sysc-pruss", "ti,sysc";
			reg = <0x54426000 0x4>,
			      <0x54426004 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-mask = <(SYSC_PRUSS_STANDBY_INIT |
					 SYSC_PRUSS_SUB_MWAIT)>;
			ti,sysc-midle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			clocks = <&pruss_ocp_clkctrl AM4_PRUSS_OCP_PRUSS_CLKCTRL 0>;
			clock-names = "fck";
			resets = <&prm_per 1>;
			reset-names = "rstctrl";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x54400000 0x80000>;
		};

		gpmc: gpmc@50000000 {
			compatible = "ti,am3352-gpmc";
			ti,hwmods = "gpmc";
			dmas = <&edma 52 0>;
			dma-names = "rxtx";
			clocks = <&l3s_gclk>;
			clock-names = "fck";
			reg = <0x50000000 0x2000>;
			interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
			gpmc,num-cs = <7>;
			gpmc,num-waitpins = <2>;
			#address-cells = <2>;
			#size-cells = <1>;
			interrupt-controller;
			#interrupt-cells = <2>;
			gpio-controller;
			#gpio-cells = <2>;
			status = "disabled";
		};

		target-module@47900000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x47900000 0x4>,
			      <0x47900010 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>,
					<SYSC_IDLE_SMART_WKUP>;
			clocks = <&l3s_clkctrl AM4_L3S_QSPI_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x47900000 0x1000>,
				 <0x30000000 0x30000000 0x4000000>;

			qspi: spi@0 {
				compatible = "ti,am4372-qspi";
				reg = <0 0x100>,
				      <0x30000000 0x4000000>;
				reg-names = "qspi_base", "qspi_mmap";
				clocks = <&dpll_per_m2_div4_ck>;
				clock-names = "fck";
				#address-cells = <1>;
				#size-cells = <0>;
				interrupts = <0 138 0x4>;
				num-cs = <4>;
			};
		};

		ocmcram: sram@40300000 {
			compatible = "mmio-sram";
			reg = <0x40300000 0x40000>; /* 256k */
			ranges = <0x0 0x40300000 0x40000>;
			#address-cells = <1>;
			#size-cells = <1>;

			pm_sram_code: pm-code-sram@0 {
				compatible = "ti,sram";
				reg = <0x0 0x1000>;
				protect-exec;
			};

			pm_sram_data: pm-data-sram@1000 {
				compatible = "ti,sram";
				reg = <0x1000 0x1000>;
				pool;
			};
		};

		target-module@56000000 {
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x5600fe00 0x4>,
			      <0x5600fe10 0x4>;
			reg-names = "rev", "sysc";
			ti,sysc-midle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			clocks = <&gfx_l3_clkctrl AM4_GFX_L3_GFX_CLKCTRL 0>;
			clock-names = "fck";
			power-domains = <&prm_gfx>;
			resets = <&prm_gfx 0>;
			reset-names = "rstctrl";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0x56000000 0x1000000>;
		};
	};
};

#include "am437x-l4.dtsi"
#include "am43xx-clocks.dtsi"

&prcm {
	prm_gfx: prm@400 {
		compatible = "ti,am4-prm-inst", "ti,omap-prm-inst";
		reg = <0x400 0x100>;
		#power-domain-cells = <0>;
		#reset-cells = <1>;
	};

	prm_per: prm@800 {
		compatible = "ti,am4-prm-inst", "ti,omap-prm-inst";
		reg = <0x800 0x100>;
		#reset-cells = <1>;
	};

	prm_wkup: prm@2000 {
		compatible = "ti,am4-prm-inst", "ti,omap-prm-inst";
		reg = <0x2000 0x100>;
		#reset-cells = <1>;
	};

	prm_device: prm@4000 {
		compatible = "ti,am4-prm-inst", "ti,omap-prm-inst";
		reg = <0x4000 0x100>;
		#reset-cells = <1>;
	};
};

/* Preferred always-on timer for clocksource */
&timer1_target {
	ti,no-reset-on-init;
	ti,no-idle;
	timer@0 {
		assigned-clocks = <&timer1_fck>;
		assigned-clock-parents = <&sys_clkin_ck>;
	};
};

/* Preferred timer for clockevent */
&timer2_target {
	ti,no-reset-on-init;
	ti,no-idle;
	timer@0 {
		assigned-clocks = <&timer2_fck>;
		assigned-clock-parents = <&sys_clkin_ck>;
	};
};