am437x-cm-t43.dts

/*
 * Copyright (C) 2015 CompuLab, Ltd. - http://www.compulab.co.il/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/dts-v1/;

#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "am4372.dtsi"

/ {
	model = "CompuLab CM-T43";
	compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43";

	leds {
		compatible = "gpio-leds";

		ledb {
			label = "cm-t43:green";
			gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&am43xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&cm_t43_led_pins>;

	cm_t43_led_pins: cm_t43_led_pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0xa78, MUX_MODE7)
		>;
	};

	i2c0_pins: i2c0_pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x988, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
			AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_scl.i2c0_scl */
		>;
	};

	spi0_pins: pinmux_spi0_pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */
			AM4372_IOPAD(0x954, PIN_INPUT | MUX_MODE0) /* spi0_d0.spi0_d0 */
			AM4372_IOPAD(0x958, PIN_OUTPUT | MUX_MODE0) /* spi0_d1.spi0_d1 */
			AM4372_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
		>;
	};

	nand_flash_x8: nand_flash_x8 {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x800, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x804, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x808, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x80c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x810, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x814, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x818, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x81c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
			AM4372_IOPAD(0x870, PIN_INPUT_PULLUP  | MUX_MODE0)
			AM4372_IOPAD(0x874, PIN_OUTPUT_PULLUP | MUX_MODE0)
			AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE0)
			AM4372_IOPAD(0x898, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
			AM4372_IOPAD(0x894, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
			AM4372_IOPAD(0x890, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
			AM4372_IOPAD(0x89c, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
		>;
	};
};

&gpmc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&nand_flash_x8>;
	ranges = <0 0 0x08000000 0x1000000>;
	nand@0,0 {
		reg = <0 0 0>;
		ti,nand-ecc-opt = "bch8";
		ti,elm-id = <&elm>;

		nand-bus-width = <8>;
		gpmc,device-width = <1>;
		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <44>;
		gpmc,cs-wr-off-ns = <44>;
		gpmc,adv-on-ns = <6>;
		gpmc,adv-rd-off-ns = <34>;
		gpmc,adv-wr-off-ns = <44>;
		gpmc,we-on-ns = <0>;
		gpmc,we-off-ns = <40>;
		gpmc,oe-on-ns = <0>;
		gpmc,oe-off-ns = <54>;
		gpmc,access-ns = <64>;
		gpmc,rd-cycle-ns = <82>;
		gpmc,wr-cycle-ns = <82>;
		gpmc,wait-on-read = "true";
		gpmc,wait-on-write = "true";
		gpmc,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <0>;
		gpmc,clk-activation-ns = <0>;
		gpmc,wait-monitoring-ns = <0>;
		gpmc,wr-access-ns = <40>;
		gpmc,wr-data-mux-bus-ns = <0>;

		gpmc,wait-pin = <0>;

		#address-cells = <1>;
		#size-cells = <1>;
		/* MTD partition table */
		partition@0 {
			label = "kernel";
			reg = <0x0 0x00980000>;
		};
		partition@980000 {
			label = "dtb";
			reg = <0x00980000 0x00080000>;
		};
		partition@a00000 {
			label = "rootfs";
			reg = <0x00a00000 0x0>;
		};
	};
};

&i2c0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	clock-frequency = <100000>;

	tps65218: tps65218@24 {
		compatible = "ti,tps65218";
		reg = <0x24>;
		interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */
		interrupt-parent = <&gic>;
		interrupt-controller;
		#interrupt-cells = <2>;

		dcdc1: regulator-dcdc1 {
			compatible = "ti,tps65218-dcdc1";
			regulator-name = "vdd_core";
			regulator-min-microvolt = <912000>;
			regulator-max-microvolt = <1144000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc2: regulator-dcdc2 {
			compatible = "ti,tps65218-dcdc2";
			regulator-name = "vdd_mpu";
			regulator-min-microvolt = <912000>;
			regulator-max-microvolt = <1378000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc3: regulator-dcdc3 {
			compatible = "ti,tps65218-dcdc3";
			regulator-name = "vdcdc3";
			regulator-suspend-enable;
			regulator-min-microvolt = <1500000>;
			regulator-max-microvolt = <1500000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc5: regulator-dcdc5 {
			compatible = "ti,tps65218-dcdc5";
			regulator-name = "v1_0bat";
			regulator-min-microvolt = <1000000>;
			regulator-max-microvolt = <1000000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc6: regulator-dcdc6 {
			compatible = "ti,tps65218-dcdc6";
			regulator-name = "v1_8bat";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo1: regulator-ldo1 {
			compatible = "ti,tps65218-ldo1";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-boot-on;
			regulator-always-on;
		};
	};

	eeprom_module: at24@50 {
		compatible = "atmel,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpio2 {
	status = "okay";
};

&gpio3 {
	status = "okay";
};

&gpio4 {
	status = "okay";
};

&gpio5 {
	status = "okay";
};

&spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;
	dmas = <&edma 16
		&edma 17>;
	dma-names = "tx0", "rx0";

	flash: w25q64cvzpig@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <20000000>;
		partition@0 {
			label = "uboot";
			reg = <0x0 0xc0000>;
		};

		partition@c0000 {
			label = "uboot environment";
			reg = <0xc0000 0x40000>;
		};

		partition@100000 {
			label = "reserved";
			reg = <0x100000 0x100000>;
		};
	};
};

&elm {
	status = "okay";
};

&uart0 {
	status = "okay";
};

&cpu {
	cpu0-supply = <&dcdc2>;
	operating-points = <1000000 1330000>,
			   <800000 1260000>,
			   <720000 1200000>,
			   <600000 1100000>,
			   <300000 950000>;
};