arch/arm/boot/dts/am335x-cm-t335.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
 *
 * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
 */

/dts-v1/;

#include "am33xx.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "CompuLab CM-T335";
	compatible = "compulab,cm-t335", "ti,am33xx";

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x8000000>;	/* 128 MB */
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_led_pins>;
		led0 {
			label = "cm_t335:green";
			gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;	/* gpio2_0 */
			linux,default-trigger = "heartbeat";
		};
	};

	/* regulator for mmc */
	vmmc_fixed: fixedregulator0 {
		compatible = "regulator-fixed";
		regulator-name = "vmmc_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	/* Regulator for WiFi */
	vwlan_fixed: fixedregulator2 {
		compatible = "regulator-fixed";
		regulator-name = "vwlan_fixed";
		gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>; /* gpio0_20 */
		enable-active-high;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&ecap0 0 50000 0>;
		brightness-levels = <0 51 53 56 62 75 101 152 255>;
		default-brightness-level = <8>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "cm-t335";

		simple-audio-card,widgets =
			"Microphone", "Mic Jack",
			"Line", "Line In",
			"Headphone", "Headphone Jack";

		simple-audio-card,routing =
			"Headphone Jack", "LHPOUT",
			"Headphone Jack", "RHPOUT",
			"LLINEIN", "Line In",
			"RLINEIN", "Line In",
			"MICIN", "Mic Jack";

		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound_master>;
		simple-audio-card,frame-master = <&sound_master>;

		simple-audio-card,cpu {
			sound-dai = <&mcasp1>;
		};

		sound_master: simple-audio-card,codec {
			sound-dai = <&tlv320aic23>;
			system-clock-frequency = <12000000>;
		};
	};
};

&am33xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&bluetooth_pins>;

	i2c0_pins: pinmux_i2c0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
		>;
	};

	i2c1_pins: pinmux_i2c1_pins {
		pinctrl-single,pins = <
			/* uart0_ctsn.i2c1_sda */
			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLUP, MUX_MODE2)
			/* uart0_rtsn.i2c1_scl */
			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE2)
		>;
	};

	gpio_led_pins: pinmux_gpio_led_pins {
		pinctrl-single,pins = <
			/* gpmc_csn3.gpio2_0 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_OUTPUT, MUX_MODE7)
		>;
	};

	nandflash_pins: pinmux_nandflash_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE0)
			/* gpmc_wpn.gpio0_30 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLUP, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_ADVN_ALE, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_OEN_REN, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_BEN0_CLE, PIN_OUTPUT, MUX_MODE0)
		>;
	};

	uart0_pins: pinmux_uart0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};

	uart1_pins: pinmux_uart1_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};

	dcan0_pins: pinmux_dcan0_pins {
		pinctrl-single,pins = <
			/* uart1_ctsn.dcan0_tx */
			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_OUTPUT, MUX_MODE2)
			/* uart1_rtsn.dcan0_rx */
			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_INPUT, MUX_MODE2)
		>;
	};

	dcan1_pins: pinmux_dcan1_pins {
		pinctrl-single,pins = <
			/* uart1_rxd.dcan1_tx */
			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_OUTPUT, MUX_MODE2)
			/* uart1_txd.dcan1_rx */
			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_INPUT, MUX_MODE2)
		>;
	};

	ecap0_pins: pinmux_ecap0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, 0x0, MUX_MODE0)
		>;
	};

	cpsw_default: cpsw_default {
		pinctrl-single,pins = <
			/* Slave 1 */
			/* mii1_tx_en.rgmii1_tctl */
			AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxdv.rgmii1_rctl */
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE2)
			/* mii1_txd3.rgmii1_td3 */
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_txd2.rgmii1_td2 */
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_txd1.rgmii1_td1 */
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_txd0.rgmii1_td0 */
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_txclk.rgmii1_tclk */
			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxclk.rgmii1_rclk */
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxd3.rgmii1_rd3 */
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxd2.rgmii1_rd2 */
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxd1.rgmii1_rd1 */
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE2)
			/* mii1_rxd0.rgmii1_rd0 */
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE2)
		>;
	};

	cpsw_sleep: cpsw_sleep {
		pinctrl-single,pins = <
			/* Slave 1 reset value */
			AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
		>;
	};

	davinci_mdio_default: davinci_mdio_default {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
		>;
	};

	davinci_mdio_sleep: davinci_mdio_sleep {
		pinctrl-single,pins = <
			/* MDIO reset value */
			AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
		>;
	};

	mmc1_pins: pinmux_mmc1_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
		>;
	};

	spi0_pins: pinmux_spi0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_OUTPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_OUTPUT, MUX_MODE0)
		>;
	};

	/* wl1271 bluetooth */
	bluetooth_pins: pinmux_bluetooth_pins {
		pinctrl-single,pins = <
			/* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */
			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLUP, MUX_MODE7)
		>;
	};

	/* TLV320AIC23B codec */
	mcasp1_pins: pinmux_mcasp1_pins {
		pinctrl-single,pins = <
			/* MII1_CRS.mcasp1_aclkx */
			AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE4)
			/* MII1_RX_ER.mcasp1_fsx */
			AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE4)
			/* MII1_COL.mcasp1_axr2 */
			AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLDOWN, MUX_MODE4)
			/* RMII1_REF_CLK.mcasp1_axr3 */
			AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE4)
		>;
	};

	/* wl1271 WiFi */
	wifi_pins: pinmux_wifi_pins {
		pinctrl-single,pins = <
			/* EMU1.gpio3_8 - WiFi IRQ */
			AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_INPUT_PULLUP, MUX_MODE7)
			/* XDMA_EVENT_INTR1.gpio0_20 - WiFi enable */
			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT, MUX_MODE7)
		>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;

	status = "okay";
};

/* WLS1271 bluetooth */
&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;

status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;

	status = "okay";
	clock-frequency = <400000>;
	/* CM-T335 board EEPROM */
	eeprom: 24c02@50 {
		compatible = "atmel,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};
	/* Real Time Clock */
	ext_rtc: em3027@56 {
		compatible = "emmicro,em3027";
		reg = <0x56>;
	};
	/* Audio codec */
	tlv320aic23: codec@1a {
		compatible = "ti,tlv320aic23";
		reg = <0x1a>;
		#sound-dai-cells= <0>;
		status = "okay";
	};
};

&epwmss0 {
	status = "okay";

	ecap0: ecap@100 {
		status = "okay";
		pinctrl-names = "default";
		pinctrl-0 = <&ecap0_pins>;
	};
};

&gpmc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&nandflash_pins>;
	ranges = <0 0 0x08000000 0x10000000>;	/* CS0: NAND */
	nand@0,0 {
		compatible = "ti,omap2-nand";
		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
		interrupt-parent = <&gpmc>;
		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
			     <1 IRQ_TYPE_NONE>;	/* termcount */
		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
		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,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <0>;
		gpmc,clk-activation-ns = <0>;
		gpmc,wr-access-ns = <40>;
		gpmc,wr-data-mux-bus-ns = <0>;
		/* MTD partition table */
		#address-cells = <1>;
		#size-cells = <1>;
		partition@0 {
			label = "spl";
			reg = <0x00000000 0x00200000>;
		};
		partition@1 {
			label = "uboot";
			reg = <0x00200000 0x00100000>;
		};
		partition@2 {
			label = "uboot environment";
			reg = <0x00300000 0x00100000>;
		};
		partition@3 {
			label = "dtb";
			reg = <0x00400000 0x00100000>;
		};
		partition@4 {
			label = "splash";
			reg = <0x00500000 0x00400000>;
		};
		partition@5 {
			label = "linux";
			reg = <0x00900000 0x00600000>;
		};
		partition@6 {
			label = "rootfs";
			reg = <0x00F00000 0>;
		};
	};
};

&elm {
	status = "okay";
};

&mac {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&cpsw_default>;
	pinctrl-1 = <&cpsw_sleep>;
	slaves = <1>;
	status = "okay";
};

&davinci_mdio {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&davinci_mdio_default>;
	pinctrl-1 = <&davinci_mdio_sleep>;
	status = "okay";

	ethphy0: ethernet-phy@0 {
		reg = <0>;
	};
};

&cpsw_emac0 {
	phy-handle = <&ethphy0>;
	phy-mode = "rgmii-txid";
};

&mmc1 {
	status = "okay";
	vmmc-supply = <&vmmc_fixed>;
	bus-width = <4>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
};

&dcan0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&dcan0_pins>;
};

&dcan1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&dcan1_pins>;
};

/* Touschscreen and analog digital converter */
&tscadc {
	status = "okay";
	tsc {
		ti,wires = <4>;
		ti,x-plate-resistance = <200>;
		ti,coordinate-readouts = <5>;
		ti,wire-config = <0x01 0x10 0x23 0x32>;
		ti,charge-delay = <0x400>;
	};

	adc {
		ti,adc-channels = <4 5 6 7>;
	};
};

/* CPU audio */
&mcasp1 {
		pinctrl-names = "default";
		pinctrl-0 = <&mcasp1_pins>;

		op-mode = <0>;          /* MCASP_IIS_MODE */
		tdm-slots = <2>;
		/* 16 serializers */
		num-serializer = <16>;
		serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
			0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0
		>;
		tx-num-evt = <1>;
		rx-num-evt = <1>;

		#sound-dai-cells= <0>;
		status = "okay";
};

&spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;
	ti,pindir-d0-out-d1-in = <1>;
	/* WLS1271 WiFi */
	wlcore: wlcore@1 {
		compatible = "ti,wl1271";
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_pins>;
		reg = <1>;
		spi-max-frequency = <48000000>;
		clock-xtal;
		ref-clock-frequency = <38400000>;
		interrupt-parent = <&gpio3>;
		interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
		vwlan-supply = <&vwlan_fixed>;
	};
};