arch/arm/boot/dts/rk3036.dtsi

/*
 * 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 file 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 file 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.
 *
 * 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/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/clock/rk3036-cru.h>
#include "skeleton.dtsi"

/ {
	compatible = "rockchip,rk3036";

	interrupt-parent = <&gic>;

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		mshc0 = &emmc;
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
	};

	memory {
		device_type = "memory";
		reg = <0x60000000 0x40000000>;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "rockchip,rk3036-smp";

		cpu0: cpu@f00 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0xf00>;
			resets = <&cru SRST_CORE0>;
			operating-points = <
				/* KHz    uV */
				 816000 1000000
			>;
			clock-latency = <40000>;
			clocks = <&cru ARMCLK>;
		};

		cpu1: cpu@f01 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0xf01>;
			resets = <&cru SRST_CORE1>;
		};
	};

	amba {
		compatible = "arm,amba-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		pdma: pdma@20078000 {
			compatible = "arm,pl330", "arm,primecell";
			reg = <0x20078000 0x4000>;
			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
			#dma-cells = <1>;
			clocks = <&cru ACLK_DMAC2>;
			clock-names = "apb_pclk";
		};
	};

	arm-pmu {
		compatible = "arm,cortex-a7-pmu";
		interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>;
	};

	timer {
		compatible = "arm,armv7-timer";
		arm,cpu-registers-not-fw-configured;
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
		clock-frequency = <24000000>;
	};

	xin24m: oscillator {
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
		clock-output-names = "xin24m";
		#clock-cells = <0>;
	};

	bus_intmem@10080000 {
		compatible = "mmio-sram";
		reg = <0x10080000 0x2000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0x10080000 0x2000>;

		smp-sram@0 {
			compatible = "rockchip,rk3066-smp-sram";
			reg = <0x00 0x10>;
		};
	};

	gic: interrupt-controller@10139000 {
		compatible = "arm,gic-400";
		interrupt-controller;
		#interrupt-cells = <3>;
		#address-cells = <0>;

		reg = <0x10139000 0x1000>,
		      <0x1013a000 0x1000>,
		      <0x1013c000 0x2000>,
		      <0x1013e000 0x2000>;
		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
	};

	usb_otg: usb@10180000 {
		compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",
				"snps,dwc2";
		reg = <0x10180000 0x40000>;
		interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&cru HCLK_OTG0>;
		clock-names = "otg";
		dr_mode = "otg";
		g-np-tx-fifo-size = <16>;
		g-rx-fifo-size = <275>;
		g-tx-fifo-size = <256 128 128 64 64 32>;
		g-use-dma;
		status = "disabled";
	};

	usb_host: usb@101c0000 {
		compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",
				"snps,dwc2";
		reg = <0x101c0000 0x40000>;
		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&cru HCLK_OTG1>;
		clock-names = "otg";
		dr_mode = "host";
		status = "disabled";
	};

	emmc: dwmmc@1021c000 {
		compatible = "rockchip,rk3288-dw-mshc";
		reg = <0x1021c000 0x4000>;
		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
		broken-cd;
		bus-width = <8>;
		cap-mmc-highspeed;
		clock-frequency = <37500000>;
		clock-freq-min-max = <400000 37500000>;
		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
		default-sample-phase = <158>;
		disable-wp;
		dmas = <&pdma 12>;
		dma-names = "rx-tx";
		fifo-depth = <0x100>;
		mmc-ddr-1_8v;
		non-removable;
		num-slots = <1>;
		pinctrl-names = "default";
		pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
		status = "disabled";
	};

	i2s: i2s@10220000 {
		compatible = "rockchip,rk3036-i2s", "rockchip,rk3066-i2s";
		reg = <0x10220000 0x4000>;
		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
		#address-cells = <1>;
		#size-cells = <0>;
		clock-names = "i2s_hclk", "i2s_clk";
		clocks = <&cru HCLK_I2S>, <&cru SCLK_I2S>;
		dmas = <&pdma 0>, <&pdma 1>;
		dma-names = "tx", "rx";
		pinctrl-names = "default";
		pinctrl-0 = <&i2s_bus>;
		status = "disabled";
	};

	cru: clock-controller@20000000 {
		compatible = "rockchip,rk3036-cru";
		reg = <0x20000000 0x1000>;
		rockchip,grf = <&grf>;
		#clock-cells = <1>;
		#reset-cells = <1>;
		assigned-clocks = <&cru PLL_GPLL>;
		assigned-clock-rates = <594000000>;
	};

	grf: syscon@20008000 {
		compatible = "rockchip,rk3036-grf", "syscon";
		reg = <0x20008000 0x1000>;
	};

	acodec: acodec-ana@20030000 {
		compatible = "rk3036-codec";
		reg = <0x20030000 0x4000>;
		rockchip,grf = <&grf>;
		clock-names = "acodec_pclk";
		clocks = <&cru PCLK_ACODEC>;
		status = "disabled";
	};

	timer: timer@20044000 {
		compatible = "rockchip,rk3036-timer", "rockchip,rk3288-timer";
		reg = <0x20044000 0x20>;
		interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&xin24m>, <&cru PCLK_TIMER>;
		clock-names = "timer", "pclk";
	};

	pwm0: pwm@20050000 {
		compatible = "rockchip,rk3036-pwm", "rockchip,rk2928-pwm";
		reg = <0x20050000 0x10>;
		#pwm-cells = <3>;
		clocks = <&cru PCLK_PWM>;
		clock-names = "pwm";
		pinctrl-names = "default";
		pinctrl-0 = <&pwm0_pin>;
		status = "disabled";
	};

	pwm1: pwm@20050010 {
		compatible = "rockchip,rk3036-pwm", "rockchip,rk2928-pwm";
		reg = <0x20050010 0x10>;
		#pwm-cells = <3>;
		clocks = <&cru PCLK_PWM>;
		clock-names = "pwm";
		pinctrl-names = "default";
		pinctrl-0 = <&pwm1_pin>;
		status = "disabled";
	};

	pwm2: pwm@20050020 {
		compatible = "rockchip,rk3036-pwm", "rockchip,rk2928-pwm";
		reg = <0x20050020 0x10>;
		#pwm-cells = <3>;
		clocks = <&cru PCLK_PWM>;
		clock-names = "pwm";
		pinctrl-names = "default";
		pinctrl-0 = <&pwm2_pin>;
		status = "disabled";
	};

	pwm3: pwm@20050030 {
		compatible = "rockchip,rk3036-pwm", "rockchip,rk2928-pwm";
		reg = <0x20050030 0x10>;
		#pwm-cells = <2>;
		clocks = <&cru PCLK_PWM>;
		clock-names = "pwm";
		pinctrl-names = "default";
		pinctrl-0 = <&pwm3_pin>;
		status = "disabled";
	};

	i2c1: i2c@20056000 {
		compatible = "rockchip,rk3288-i2c";
		reg = <0x20056000 0x1000>;
		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
		#address-cells = <1>;
		#size-cells = <0>;
		clock-names = "i2c";
		clocks = <&cru PCLK_I2C1>;
		pinctrl-names = "default";
		pinctrl-0 = <&i2c1_xfer>;
		status = "disabled";
	};

	i2c2: i2c@2005a000 {
		compatible = "rockchip,rk3288-i2c";
		reg = <0x2005a000 0x1000>;
		interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
		#address-cells = <1>;
		#size-cells = <0>;
		clock-names = "i2c";
		clocks = <&cru PCLK_I2C2>;
		pinctrl-names = "default";
		pinctrl-0 = <&i2c2_xfer>;
		status = "disabled";
	};

	uart0: serial@20060000 {
		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
		reg = <0x20060000 0x100>;
		interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
		reg-shift = <2>;
		reg-io-width = <4>;
		clock-frequency = <24000000>;
		clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
		clock-names = "baudclk", "apb_pclk";
		pinctrl-names = "default";
		pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
		status = "disabled";
	};

	uart1: serial@20064000 {
		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
		reg = <0x20064000 0x100>;
		interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
		reg-shift = <2>;
		reg-io-width = <4>;
		clock-frequency = <24000000>;
		clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
		clock-names = "baudclk", "apb_pclk";
		pinctrl-names = "default";
		pinctrl-0 = <&uart1_xfer>;
		status = "disabled";
	};

	uart2: serial@20068000 {
		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
		reg = <0x20068000 0x100>;
		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
		reg-shift = <2>;
		reg-io-width = <4>;
		clock-frequency = <24000000>;
		clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
		clock-names = "baudclk", "apb_pclk";
		pinctrl-names = "default";
		pinctrl-0 = <&uart2_xfer>;
		status = "disabled";
	};

	i2c0: i2c@20072000 {
		compatible = "rockchip,rk3288-i2c";
		reg = <0x20072000 0x1000>;
		interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
		#address-cells = <1>;
		#size-cells = <0>;
		clock-names = "i2c";
		clocks = <&cru PCLK_I2C0>;
		pinctrl-names = "default";
		pinctrl-0 = <&i2c0_xfer>;
		status = "disabled";
	};

	pinctrl: pinctrl {
		compatible = "rockchip,rk3036-pinctrl";
		rockchip,grf = <&grf>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gpio0: gpio0@2007c000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x2007c000 0x100>;
			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cru PCLK_GPIO0>;

			gpio-controller;
			#gpio-cells = <2>;

			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio1: gpio1@20080000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x20080000 0x100>;
			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cru PCLK_GPIO1>;

			gpio-controller;
			#gpio-cells = <2>;

			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio2: gpio2@20084000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x20084000 0x100>;
			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cru PCLK_GPIO2>;

			gpio-controller;
			#gpio-cells = <2>;

			interrupt-controller;
			#interrupt-cells = <2>;
		};

		pcfg_pull_default: pcfg_pull_default {
			bias-pull-pin-default;
		};

		pcfg_pull_none: pcfg-pull-none {
			bias-disable;
		};

		pwm0 {
			pwm0_pin: pwm0-pin {
				rockchip,pins = <0 0 RK_FUNC_2 &pcfg_pull_none>;
			};
		};

		pwm1 {
			pwm1_pin: pwm1-pin {
				rockchip,pins = <0 1 RK_FUNC_2 &pcfg_pull_none>;
			};
		};

		pwm2 {
			pwm2_pin: pwm2-pin {
				rockchip,pins = <0 1 2 &pcfg_pull_none>;
			};
		};

		pwm3 {
			pwm3_pin: pwm3-pin {
				rockchip,pins = <0 27 1 &pcfg_pull_none>;
			};
		};

		emmc {
			/*
			 * We run eMMC at max speed; bump up drive strength.
			 * We also have external pulls, so disable the internal ones.
			 */
			emmc_clk: emmc-clk {
				rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none>;
			};

			emmc_cmd: emmc-cmd {
				rockchip,pins = <2 1 RK_FUNC_2 &pcfg_pull_default>;
			};

			emmc_bus8: emmc-bus8 {
				rockchip,pins = <1 24 RK_FUNC_2 &pcfg_pull_default>,
						<1 25 RK_FUNC_2 &pcfg_pull_default>,
						<1 26 RK_FUNC_2 &pcfg_pull_default>,
						<1 27 RK_FUNC_2 &pcfg_pull_default>,
						<1 28 RK_FUNC_2 &pcfg_pull_default>,
						<1 29 RK_FUNC_2 &pcfg_pull_default>,
						<1 30 RK_FUNC_2 &pcfg_pull_default>,
						<1 31 RK_FUNC_2 &pcfg_pull_default>;
			};
		};

		i2c0 {
			i2c0_xfer: i2c0-xfer {
				rockchip,pins = <0 0 RK_FUNC_1 &pcfg_pull_none>,
						<0 1 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		i2c1 {
			i2c1_xfer: i2c1-xfer {
				rockchip,pins = <0 2 RK_FUNC_1 &pcfg_pull_none>,
						<0 3 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		i2c2 {
			i2c2_xfer: i2c2-xfer {
				rockchip,pins = <2 20 RK_FUNC_1 &pcfg_pull_none>,
						<2 21 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		i2s {
			i2s_bus: i2s-bus {
				rockchip,pins = <1 0 RK_FUNC_1 &pcfg_pull_none>,
						<1 1 RK_FUNC_1 &pcfg_pull_none>,
						<1 2 RK_FUNC_1 &pcfg_pull_none>,
						<1 3 RK_FUNC_1 &pcfg_pull_none>,
						<1 4 RK_FUNC_1 &pcfg_pull_none>,
						<1 5 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		uart0 {
			uart0_xfer: uart0-xfer {
				rockchip,pins = <0 16 RK_FUNC_1 &pcfg_pull_default>,
						<0 17 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart0_cts: uart0-cts {
				rockchip,pins = <0 18 RK_FUNC_1 &pcfg_pull_default>;
			};

			uart0_rts: uart0-rts {
				rockchip,pins = <0 19 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		uart1 {
			uart1_xfer: uart1-xfer {
				rockchip,pins = <2 22 RK_FUNC_1 &pcfg_pull_default>,
						<2 23 RK_FUNC_1 &pcfg_pull_none>;
			};
			/* no rts / cts for uart1 */
		};

		uart2 {
			uart2_xfer: uart2-xfer {
				rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_default>,
						<1 19 RK_FUNC_2 &pcfg_pull_none>;
			};
			/* no rts / cts for uart2 */
		};
	};
};