alistair23-linux/arch/arm/boot/dts/rk1108.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/clock/rv1108-cru.h>
#include <dt-bindings/pinctrl/rockchip.h>
/ {
	#address-cells = <1>;
	#size-cells = <1>;

	compatible = "rockchip,rk1108";

	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
	};

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

		cpu0: cpu@f00 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0xf00>;
		};
	};

	arm-pmu {
		compatible = "arm,cortex-a7-pmu";
		interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
		clock-frequency = <24000000>;
	};

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

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

		pdma: pdma@102a0000 {
			compatible = "arm,pl330", "arm,primecell";
			reg = <0x102a0000 0x4000>;
			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
			#dma-cells = <1>;
			arm,pl330-broken-no-flushp;
			clocks = <&cru ACLK_DMAC>;
			clock-names = "apb_pclk";
		};
	};

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

	uart2: serial@10210000 {
		compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
		reg = <0x10210000 0x100>;
		interrupts = <GIC_SPI 46 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 = <&uart2m0_xfer>;
		status = "disabled";
	};

	uart1: serial@10220000 {
		compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
		reg = <0x10220000 0x100>;
		interrupts = <GIC_SPI 45 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";
	};

	uart0: serial@10230000 {
		compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
		reg = <0x10230000 0x100>;
		interrupts = <GIC_SPI 44 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";
	};

	grf: syscon@10300000 {
		compatible = "rockchip,rk1108-grf", "syscon";
		reg = <0x10300000 0x1000>;
	};

	pmugrf: syscon@20060000 {
		compatible = "rockchip,rk1108-pmugrf", "syscon";
		reg = <0x20060000 0x1000>;
	};

	cru: clock-controller@20200000 {
		compatible = "rockchip,rk1108-cru";
		reg = <0x20200000 0x1000>;
		rockchip,grf = <&grf>;
		#clock-cells = <1>;
		#reset-cells = <1>;
	};

	emmc: dwmmc@30110000 {
		compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
		clock-freq-min-max = <400000 150000000>;
		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
		fifo-depth = <0x100>;
		interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
		reg = <0x30110000 0x4000>;
		status = "disabled";
	};

	sdio: dwmmc@30120000 {
		compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
		clock-freq-min-max = <400000 150000000>;
		clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>,
			 <&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
		fifo-depth = <0x100>;
		interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
		reg = <0x30120000 0x4000>;
		status = "disabled";
	};

	sdmmc: dwmmc@30130000 {
		compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
		clock-freq-min-max = <400000 100000000>;
		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
		fifo-depth = <0x100>;
		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
		reg = <0x30130000 0x4000>;
		status = "disabled";
	};

	gic: interrupt-controller@32010000 {
		compatible = "arm,gic-400";
		interrupt-controller;
		#interrupt-cells = <3>;
		#address-cells = <0>;

		reg = <0x32011000 0x1000>,
		      <0x32012000 0x2000>,
		      <0x32014000 0x2000>,
		      <0x32016000 0x2000>;
		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
	};

	pinctrl: pinctrl {
		compatible = "rockchip,rv1108-pinctrl";
		rockchip,grf = <&grf>;
		rockchip,pmu = <&pmugrf>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gpio0: gpio0@20030000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x20030000 0x100>;
			interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&xin24m>;

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

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

		gpio1: gpio1@10310000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x10310000 0x100>;
			interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&xin24m>;

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

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

		gpio2: gpio2@10320000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x10320000 0x100>;
			interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&xin24m>;

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

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

		gpio3: gpio3@10330000 {
			compatible = "rockchip,gpio-bank";
			reg = <0x10330000 0x100>;
			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&xin24m>;

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

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

		pcfg_pull_up: pcfg-pull-up {
			bias-pull-up;
		};

		pcfg_pull_down: pcfg-pull-down {
			bias-pull-down;
		};

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

		pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
			drive-strength = <8>;
		};

		pcfg_pull_none_drv_12ma: pcfg-pull-none-drv-12ma {
			drive-strength = <12>;
		};

		pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
			bias-pull-up;
			drive-strength = <8>;
		};

		pcfg_pull_none_drv_4ma: pcfg-pull-none-drv-4ma {
			drive-strength = <4>;
		};

		pcfg_pull_up_drv_4ma: pcfg-pull-up-drv-4ma {
			bias-pull-up;
			drive-strength = <4>;
		};

		pcfg_output_high: pcfg-output-high {
			output-high;
		};

		pcfg_output_low: pcfg-output-low {
			output-low;
		};

		pcfg_input_high: pcfg-input-high {
			bias-pull-up;
			input-enable;
		};

		i2c1 {
			i2c1_xfer: i2c1-xfer {
				rockchip,pins = <2 RK_PD3 RK_FUNC_1 &pcfg_pull_up>,
						<2 RK_PD4 RK_FUNC_1 &pcfg_pull_up>;
			};
		};

		i2c2m1 {
			i2c2m1_xfer: i2c2m1-xfer {
				rockchip,pins = <0 RK_PC2 RK_FUNC_2 &pcfg_pull_none>,
						<0 RK_PC6 RK_FUNC_3 &pcfg_pull_none>;
			};

			i2c2m1_gpio: i2c2m1-gpio {
				rockchip,pins = <0 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>,
						<0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
			};
		};

		i2c2m05v {
			i2c2m05v_xfer: i2c2m05v-xfer {
				rockchip,pins = <1 RK_PD5 RK_FUNC_2 &pcfg_pull_none>,
						<1 RK_PD4 RK_FUNC_2 &pcfg_pull_none>;
			};

			i2c2m05v_gpio: i2c2m05v-gpio {
				rockchip,pins = <1 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>,
						<1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
			};
		};

		i2c3 {
			i2c3_xfer: i2c3-xfer {
				rockchip,pins = <0 RK_PB6 RK_FUNC_1 &pcfg_pull_none>,
						<0 RK_PC4 RK_FUNC_2 &pcfg_pull_none>;
			};
		};

		sdmmc {
			sdmmc_clk: sdmmc-clk {
				rockchip,pins = <3 RK_PC4 RK_FUNC_1 &pcfg_pull_none_drv_4ma>;
			};

			sdmmc_cmd: sdmmc-cmd {
				rockchip,pins = <3 RK_PC5 RK_FUNC_1 &pcfg_pull_up_drv_4ma>;
			};

			sdmmc_cd: sdmmc-cd {
				rockchip,pins = <0 RK_PA1 RK_FUNC_1 &pcfg_pull_up_drv_4ma>;
			};

			sdmmc_bus1: sdmmc-bus1 {
				rockchip,pins = <3 RK_PC3 RK_FUNC_1 &pcfg_pull_up_drv_4ma>;
			};

			sdmmc_bus4: sdmmc-bus4 {
				rockchip,pins = <3 RK_PC3 RK_FUNC_1 &pcfg_pull_up_drv_4ma>,
						<3 RK_PC2 RK_FUNC_1 &pcfg_pull_up_drv_4ma>,
						<3 RK_PC1 RK_FUNC_1 &pcfg_pull_up_drv_4ma>,
						<3 RK_PC0 RK_FUNC_1 &pcfg_pull_up_drv_4ma>;
			};
		};

		uart0 {
			uart0_xfer: uart0-xfer {
				rockchip,pins = <3 RK_PA6 RK_FUNC_1 &pcfg_pull_up>,
						<3 RK_PA5 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart0_cts: uart0-cts {
				rockchip,pins = <3 RK_PA4 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart0_rts: uart0-rts {
				rockchip,pins = <3 RK_PA3 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart0_rts_gpio: uart0-rts-gpio {
				rockchip,pins = <3 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
			};
		};

		uart1 {
			uart1_xfer: uart1-xfer {
				rockchip,pins = <1 RK_PD3 RK_FUNC_1 &pcfg_pull_up>,
						<1 RK_PD2 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart1_cts: uart1-cts {
				rockchip,pins = <1 RK_PD0 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart1_rts: uart1-rts {
				rockchip,pins = <1 RK_PD1 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		uart2m0 {
			uart2m0_xfer: uart2m0-xfer {
				rockchip,pins = <2 RK_PD2 RK_FUNC_1 &pcfg_pull_up>,
						<2 RK_PD1 RK_FUNC_1 &pcfg_pull_none>;
			};
		};

		uart2m1 {
			uart2m1_xfer: uart2m1-xfer {
				rockchip,pins = <3 RK_PC3 RK_FUNC_2 &pcfg_pull_up>,
						<3 RK_PC2 RK_FUNC_2 &pcfg_pull_none>;
			};
		};

		uart2_5v {
			uart2_5v_cts: uart2_5v-cts {
				rockchip,pins = <1 RK_PD4 RK_FUNC_1 &pcfg_pull_none>;
			};

			uart2_5v_rts: uart2_5v-rts {
				rockchip,pins = <1 RK_PD5 RK_FUNC_1 &pcfg_pull_none>;
			};
		};
	};
};