linux/arch/arm/boot/dts/meson8.dtsi

/*
 * Copyright 2014 Carlo Caione <carlo@caione.org>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This library is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This library is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

#include <dt-bindings/clock/meson8b-clkc.h>
#include <dt-bindings/gpio/meson8-gpio.h>
#include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
#include <dt-bindings/reset/amlogic,meson8b-reset.h>
#include "meson.dtsi"

/ {
	model = "Amlogic Meson8 SoC";
	compatible = "amlogic,meson8";

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@200 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x200>;
			enable-method = "amlogic,meson8-smp";
			resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>;
			operating-points-v2 = <&cpu_opp_table>;
			clocks = <&clkc CLKID_CPUCLK>;
		};

		cpu1: cpu@201 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x201>;
			enable-method = "amlogic,meson8-smp";
			resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>;
			operating-points-v2 = <&cpu_opp_table>;
			clocks = <&clkc CLKID_CPUCLK>;
		};

		cpu2: cpu@202 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x202>;
			enable-method = "amlogic,meson8-smp";
			resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>;
			operating-points-v2 = <&cpu_opp_table>;
			clocks = <&clkc CLKID_CPUCLK>;
		};

		cpu3: cpu@203 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x203>;
			enable-method = "amlogic,meson8-smp";
			resets = <&clkc CLKC_RESET_CPU3_SOFT_RESET>;
			operating-points-v2 = <&cpu_opp_table>;
			clocks = <&clkc CLKID_CPUCLK>;
		};
	};

	cpu_opp_table: opp-table {
		compatible = "operating-points-v2";
		opp-shared;

		opp-96000000 {
			opp-hz = /bits/ 64 <96000000>;
			opp-microvolt = <825000>;
		};
		opp-192000000 {
			opp-hz = /bits/ 64 <192000000>;
			opp-microvolt = <825000>;
		};
		opp-312000000 {
			opp-hz = /bits/ 64 <312000000>;
			opp-microvolt = <825000>;
		};
		opp-408000000 {
			opp-hz = /bits/ 64 <408000000>;
			opp-microvolt = <825000>;
		};
		opp-504000000 {
			opp-hz = /bits/ 64 <504000000>;
			opp-microvolt = <825000>;
		};
		opp-600000000 {
			opp-hz = /bits/ 64 <600000000>;
			opp-microvolt = <850000>;
		};
		opp-720000000 {
			opp-hz = /bits/ 64 <720000000>;
			opp-microvolt = <850000>;
		};
		opp-816000000 {
			opp-hz = /bits/ 64 <816000000>;
			opp-microvolt = <875000>;
		};
		opp-1008000000 {
			opp-hz = /bits/ 64 <1008000000>;
			opp-microvolt = <925000>;
		};
		opp-1200000000 {
			opp-hz = /bits/ 64 <1200000000>;
			opp-microvolt = <975000>;
		};
		opp-1416000000 {
			opp-hz = /bits/ 64 <1416000000>;
			opp-microvolt = <1025000>;
		};
		opp-1608000000 {
			opp-hz = /bits/ 64 <1608000000>;
			opp-microvolt = <1100000>;
		};
		opp-1800000000 {
			status = "disabled";
			opp-hz = /bits/ 64 <1800000000>;
			opp-microvolt = <1125000>;
		};
		opp-1992000000 {
			status = "disabled";
			opp-hz = /bits/ 64 <1992000000>;
			opp-microvolt = <1150000>;
		};
	};

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		/* 2 MiB reserved for Hardware ROM Firmware? */
		hwrom@0 {
			reg = <0x0 0x200000>;
			no-map;
		};

		/*
		 * 1 MiB reserved for the "ARM Power Firmware": this is ARM
		 * code which is responsible for system suspend. It loads a
		 * piece of ARC code ("arc_power" in the vendor u-boot tree)
		 * into SRAM, executes that and shuts down the (last) ARM core.
		 * The arc_power firmware then checks various wakeup sources
		 * (IR remote receiver, HDMI CEC, WIFI and Bluetooth wakeup or
		 * simply the power key) and re-starts the ARM core once it
		 * detects a wakeup request.
		 */
		power-firmware@4f00000 {
			reg = <0x4f00000 0x100000>;
			no-map;
		};
	};
}; /* end of / */

&aobus {
	pmu: pmu@e0 {
		compatible = "amlogic,meson8-pmu", "syscon";
		reg = <0xe0 0x8>;
	};

	pinctrl_aobus: pinctrl@84 {
		compatible = "amlogic,meson8-aobus-pinctrl";
		reg = <0x84 0xc>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gpio_ao: ao-bank@14 {
			reg = <0x14 0x4>,
			      <0x2c 0x4>,
			      <0x24 0x8>;
			reg-names = "mux", "pull", "gpio";
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&pinctrl_aobus 0 0 16>;
		};

		uart_ao_a_pins: uart_ao_a {
			mux {
				groups = "uart_tx_ao_a", "uart_rx_ao_a";
				function = "uart_ao";
				bias-disable;
			};
		};

		i2c_ao_pins: i2c_mst_ao {
			mux {
				groups = "i2c_mst_sck_ao", "i2c_mst_sda_ao";
				function = "i2c_mst_ao";
				bias-disable;
			};
		};

		ir_recv_pins: remote {
			mux {
				groups = "remote_input";
				function = "remote";
				bias-disable;
			};
		};

		pwm_f_ao_pins: pwm-f-ao {
			mux {
				groups = "pwm_f_ao";
				function = "pwm_f_ao";
				bias-disable;
			};
		};
	};
};

&cbus {
	clkc: clock-controller@4000 {
		#clock-cells = <1>;
		#reset-cells = <1>;
		compatible = "amlogic,meson8-clkc";
		reg = <0x8000 0x4>, <0x4000 0x400>;
	};

	reset: reset-controller@4404 {
		compatible = "amlogic,meson8b-reset";
		reg = <0x4404 0x9c>;
		#reset-cells = <1>;
	};

	analog_top: analog-top@81a8 {
		compatible = "amlogic,meson8-analog-top", "syscon";
		reg = <0x81a8 0x14>;
	};

	pwm_ef: pwm@86c0 {
		compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
		reg = <0x86c0 0x10>;
		#pwm-cells = <3>;
		status = "disabled";
	};

	pinctrl_cbus: pinctrl@9880 {
		compatible = "amlogic,meson8-cbus-pinctrl";
		reg = <0x9880 0x10>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gpio: banks@80b0 {
			reg = <0x80b0 0x28>,
			      <0x80e8 0x18>,
			      <0x8120 0x18>,
			      <0x8030 0x30>;
			reg-names = "mux", "pull", "pull-enable", "gpio";
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&pinctrl_cbus 0 0 120>;
		};

		sd_a_pins: sd-a {
			mux {
				groups = "sd_d0_a", "sd_d1_a", "sd_d2_a",
					"sd_d3_a", "sd_clk_a", "sd_cmd_a";
				function = "sd_a";
				bias-disable;
			};
		};

		sd_b_pins: sd-b {
			mux {
				groups = "sd_d0_b", "sd_d1_b", "sd_d2_b",
					"sd_d3_b", "sd_clk_b", "sd_cmd_b";
				function = "sd_b";
				bias-disable;
			};
		};

		sd_c_pins: sd-c {
			mux {
				groups = "sd_d0_c", "sd_d1_c", "sd_d2_c",
					"sd_d3_c", "sd_clk_c", "sd_cmd_c";
				function = "sd_c";
				bias-disable;
			};
		};

		spi_nor_pins: nor {
			mux {
				groups = "nor_d", "nor_q", "nor_c", "nor_cs";
				function = "nor";
				bias-disable;
			};
		};

		eth_pins: ethernet {
			mux {
				groups = "eth_tx_clk_50m", "eth_tx_en",
					 "eth_txd1", "eth_txd0",
					 "eth_rx_clk_in", "eth_rx_dv",
					 "eth_rxd1", "eth_rxd0", "eth_mdio",
					 "eth_mdc";
				function = "ethernet";
				bias-disable;
			};
		};

		pwm_e_pins: pwm-e {
			mux {
				groups = "pwm_e";
				function = "pwm_e";
				bias-disable;
			};
		};

		uart_a1_pins: uart-a1 {
			mux {
				groups = "uart_tx_a1",
				       "uart_rx_a1";
				function = "uart_a";
				bias-disable;
			};
		};

		uart_a1_cts_rts_pins: uart-a1-cts-rts {
			mux {
				groups = "uart_cts_a1",
				       "uart_rts_a1";
				function = "uart_a";
				bias-disable;
			};
		};
	};
};

&ahb_sram {
	smp-sram@1ff80 {
		compatible = "amlogic,meson8-smp-sram";
		reg = <0x1ff80 0x8>;
	};
};

&efuse {
	compatible = "amlogic,meson8-efuse";
	clocks = <&clkc CLKID_EFUSE>;
	clock-names = "core";
};

&ethmac {
	clocks = <&clkc CLKID_ETH>;
	clock-names = "stmmaceth";
};

&gpio_intc {
	compatible = "amlogic,meson8-gpio-intc", "amlogic,meson-gpio-intc";
	status = "okay";
};

&hwrng {
	compatible = "amlogic,meson8-rng", "amlogic,meson-rng";
	clocks = <&clkc CLKID_RNG0>;
	clock-names = "core";
};

&i2c_AO {
	clocks = <&clkc CLKID_CLK81>;
};

&i2c_A {
	clocks = <&clkc CLKID_CLK81>;
};

&i2c_B {
	clocks = <&clkc CLKID_CLK81>;
};

&L2 {
	arm,data-latency = <3 3 3>;
	arm,tag-latency = <2 2 2>;
	arm,filter-ranges = <0x100000 0xc0000000>;
	prefetch-data = <1>;
	prefetch-instr = <1>;
	arm,shared-override;
};

&periph {
	scu@0 {
		compatible = "arm,cortex-a9-scu";
		reg = <0x0 0x100>;
	};

	timer@200 {
		compatible = "arm,cortex-a9-global-timer";
		reg = <0x200 0x20>;
		interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
		clocks = <&clkc CLKID_PERIPH>;

		/*
		 * the arm_global_timer driver currently does not handle clock
		 * rate changes. Keep it disabled for now.
		 */
		status = "disabled";
	};

	timer@600 {
		compatible = "arm,cortex-a9-twd-timer";
		reg = <0x600 0x20>;
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
		clocks = <&clkc CLKID_PERIPH>;
	};
};

&pwm_ab {
	compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
};

&pwm_cd {
	compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
};

&saradc {
	compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc";
	clocks = <&clkc CLKID_XTAL>,
		<&clkc CLKID_SAR_ADC>;
	clock-names = "clkin", "core";
};

&sdio {
	compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio";
	clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>;
	clock-names = "core", "clkin";
};

&spifc {
	clocks = <&clkc CLKID_CLK81>;
};

&timer_abcde {
	clocks = <&clkc CLKID_XTAL>, <&clkc CLKID_CLK81>;
	clock-names = "xtal", "pclk";
};

&uart_AO {
	compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
	clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_CLK81>;
	clock-names = "baud", "xtal", "pclk";
};

&uart_A {
	compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
	clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART0>;
	clock-names = "baud", "xtal", "pclk";
};

&uart_B {
	compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
	clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART1>;
	clock-names = "baud", "xtal", "pclk";
};

&uart_C {
	compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
	clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART2>;
	clock-names = "baud", "xtal", "pclk";
};

&usb0 {
	compatible = "amlogic,meson8-usb", "snps,dwc2";
	clocks = <&clkc CLKID_USB0_DDR_BRIDGE>;
	clock-names = "otg";
};

&usb1 {
	compatible = "amlogic,meson8-usb", "snps,dwc2";
	clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
	clock-names = "otg";
};

&usb0_phy {
	compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
	clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>;
	clock-names = "usb_general", "usb";
	resets = <&reset RESET_USB_OTG>;
};

&usb1_phy {
	compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
	clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB1>;
	clock-names = "usb_general", "usb";
	resets = <&reset RESET_USB_OTG>;
};