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Commit e54686e4 authored by Mugunthan V N's avatar Mugunthan V N Committed by Benoit Cousson
Browse files

ARM: dts: AM4372: Update Support for EPOS EVM 



-> Adding pinmux for cpsw, i2c0.
-> Enabling the modules that are present in AM4372 EPOS EVM
These modules are tested on AM4372 EPOS EVM.

Signed-off-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: default avatarMugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: default avatarBenoit Cousson <bcousson@baylibre.com>
parent 9e3269b8

arch/arm/boot/dts/am43x-epos-evm.dts

+168 −0
Original line number Diff line number Diff line
@@ -11,8 +11,176 @@ 
/dts-v1/;



#include "am4372.dtsi"

#include <dt-bindings/pinctrl/am43xx.h>

#include <dt-bindings/gpio/gpio.h>



/ {

	model = "TI AM43x EPOS EVM";

	compatible = "ti,am43x-epos-evm","ti,am4372","ti,am43";



	vmmcsd_fixed: fixedregulator-sd {

		compatible = "regulator-fixed";

		regulator-name = "vmmcsd_fixed";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		enable-active-high;

	};



	am43xx_pinmux: pinmux@44e10800 {

		cpsw_default: cpsw_default {

			pinctrl-single,pins = <

				/* Slave 1 */

				0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_crs.rmii1_crs */

				0x110 (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxerr.rmii1_rxerr */

				0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)	/* mii1_txen.rmii1_txen */

				0x118 (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxdv.rmii1_rxdv */

				0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)	/* mii1_txd1.rmii1_txd1 */

				0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)	/* mii1_txd0.rmii1_txd0 */

				0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd1.rmii1_rxd1 */

				0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd0.rmii1_rxd0 */

				0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* rmii1_refclk.rmii1_refclk */

			>;

		};



		cpsw_sleep: cpsw_sleep {

			pinctrl-single,pins = <

				/* Slave 1 reset value */

				0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)

			>;

		};



		davinci_mdio_default: davinci_mdio_default {

			pinctrl-single,pins = <

				/* MDIO */

				0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */

				0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */

			>;

		};



		davinci_mdio_sleep: davinci_mdio_sleep {

			pinctrl-single,pins = <

				/* MDIO reset value */

				0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)

				0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)

			>;

		};



		i2c0_pins: pinmux_i2c0_pins {

			pinctrl-single,pins = <

				0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* i2c0_sda.i2c0_sda */

				0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* i2c0_scl.i2c0_scl */

			>;

		};

	};



	matrix_keypad: matrix_keypad@0 {

			compatible = "gpio-matrix-keypad";

			debounce-delay-ms = <5>;

			col-scan-delay-us = <2>;



			row-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH		/* Bank0, pin12 */

				     &gpio0 13 GPIO_ACTIVE_HIGH		/* Bank0, pin13 */

				     &gpio0 14 GPIO_ACTIVE_HIGH		/* Bank0, pin14 */

				     &gpio0 15 GPIO_ACTIVE_HIGH>;	/* Bank0, pin15 */



			col-gpios = <&gpio3 9 GPIO_ACTIVE_HIGH		/* Bank3, pin9 */

				     &gpio3 10 GPIO_ACTIVE_HIGH		/* Bank3, pin10 */

				     &gpio2 18 GPIO_ACTIVE_HIGH		/* Bank2, pin18 */

				     &gpio2 19 GPIO_ACTIVE_HIGH>;	/* Bank2, pin19 */



			linux,keymap = <0x00000201	/* P1 */

				0x01000204	/* P4 */

				0x02000207	/* P7 */

				0x0300020a	/* NUMERIC_STAR */

				0x00010202	/* P2 */

				0x01010205	/* P5 */

				0x02010208	/* P8 */

				0x03010200	/* P0 */

				0x00020203	/* P3 */

				0x01020206	/* P6 */

				0x02020209	/* P9 */

				0x0302020b	/* NUMERIC_POUND */

				0x00030067	/* UP */

				0x0103006a	/* RIGHT */

				0x0203006c	/* DOWN */

				0x03030069>;	/* LEFT */

		};

};



&mmc1 {

	status = "okay";

	vmmc-supply = <&vmmcsd_fixed>;

	bus-width = <4>;

};



&mac {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&cpsw_default>;

	pinctrl-1 = <&cpsw_sleep>;

	status = "okay";

};



&davinci_mdio {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&davinci_mdio_default>;

	pinctrl-1 = <&davinci_mdio_sleep>;

	status = "okay";

};



&cpsw_emac0 {

	phy_id = <&davinci_mdio>, <16>;

	phy-mode = "rmii";

};



&cpsw_emac1 {

	phy_id = <&davinci_mdio>, <1>;

	phy-mode = "rmii";

};



&i2c0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins>;



	at24@50 {

		compatible = "at24,24c256";

		pagesize = <64>;

		reg = <0x50>;

	};



	pixcir_ts@5c {

		compatible = "pixcir,pixcir_ts";

		reg = <0x5c>;

		interrupt-parent = <&gpio1>;

		interrupts = <17 0>;



		attb-gpio = <&gpio1 17 GPIO_ACTIVE_HIGH>;



		x-size = <1024>;

		y-size = <768>;

	};

};



&gpio0 {

	status = "okay";

};



&gpio1 {

	status = "okay";

};



&gpio2 {

	status = "okay";

};



&gpio3 {

	status = "okay";

};

include/dt-bindings/pinctrl/am43xx.h

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/*

 * This header provides constants specific to AM43XX pinctrl bindings.

 */



#ifndef _DT_BINDINGS_PINCTRL_AM43XX_H

#define _DT_BINDINGS_PINCTRL_AM43XX_H



#define MUX_MODE0	0

#define MUX_MODE1	1

#define MUX_MODE2	2

#define MUX_MODE3	3

#define MUX_MODE4	4

#define MUX_MODE5	5

#define MUX_MODE6	6

#define MUX_MODE7	7



#define PULL_DISABLE		(1 << 16)

#define PULL_UP			(1 << 17)

#define INPUT_EN		(1 << 18)

#define SLEWCTRL_FAST		(1 << 19)

#define DS0_PULL_UP_DOWN_EN	(1 << 27)



#define PIN_OUTPUT		(PULL_DISABLE)

#define PIN_OUTPUT_PULLUP	(PULL_UP)

#define PIN_OUTPUT_PULLDOWN	0

#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)

#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)

#define PIN_INPUT_PULLDOWN	(INPUT_EN)



#endif