ARM: dts: am437x: cm-t43: add spi-flash support

[mirror_ubuntu-eoan-kernel.git] / arch / arm / boot / dts / 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 */
		>;
	};
};

&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>;
		};
	};
};

&uart0 {
	status = "okay";
};

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