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Commit 1cb59f9f authored by Lothar Waßmann's avatar Lothar Waßmann Committed by Sascha Hauer
Browse files

ARM: mxs: Initial support for Ka-Ro TX28 



Based on code created by Lothar Waßmann, Sascha Hauer, Wolfram Sang and
me.

Signed-off-by: default avatarLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
parent ccb24d50

arch/arm/mach-mxs/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -39,4 +39,16 @@ config MACH_MX28EVK 
	  Include support for MX28EVK platform. This includes specific

	  configurations for the board and its peripherals.



config MODULE_TX28

	bool

	select SOC_IMX28

	select MXS_HAVE_AMBA_DUART

	select MXS_HAVE_PLATFORM_AUART

	select MXS_HAVE_PLATFORM_FEC

	select MXS_HAVE_PLATFORM_MXS_PWM



config MACH_TX28

	bool "Ka-Ro TX28 module"

	select MODULE_TX28



endif

arch/arm/mach-mxs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -9,5 +9,7 @@ obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o 


obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o

obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o

obj-$(CONFIG_MODULE_TX28) += module-tx28.o

obj-$(CONFIG_MACH_TX28)    += mach-tx28.o



obj-y += devices/

arch/arm/mach-mxs/include/mach/mxs.h

+7 −2
Original line number Diff line number Diff line
@@ -28,8 +28,13 @@ 
/*

 * MXS CPU types

 */

#define cpu_is_mx23()		(machine_is_mx23evk())

#define cpu_is_mx28()		(machine_is_mx28evk())

#define cpu_is_mx23()		(					\

		machine_is_mx23evk() ||					\

		0)

#define cpu_is_mx28()		(					\

		machine_is_mx28evk() ||					\

		machine_is_tx28() ||					\

		0)



/*

 * IO addresses common to MXS-based

arch/arm/mach-mxs/include/mach/uncompress.h

+1 −0
Original line number Diff line number Diff line
@@ -63,6 +63,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id) 
		mxs_duart_base = MX23_DUART_BASE_ADDR;

		break;

	case MACH_TYPE_MX28EVK:

	case MACH_TYPE_TX28:

		mxs_duart_base = MX28_DUART_BASE_ADDR;

		break;

	default:

arch/arm/mach-mxs/mach-tx28.c

0 → 100644
+173 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2010 <LW@KARO-electronics.de>

 *

 * based on: mach-mx28_evk.c

 * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.

 *

 * 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

 */

#include <linux/kernel.h>

#include <linux/gpio.h>

#include <linux/leds.h>

#include <linux/platform_device.h>

#include <linux/spi/spi.h>

#include <linux/spi/spi_gpio.h>



#include <asm/mach/arch.h>

#include <asm/mach/time.h>



#include <mach/common.h>

#include <mach/iomux-mx28.h>



#include "devices-mx28.h"

#include "module-tx28.h"



#define TX28_STK5_GPIO_LED		MXS_GPIO_NR(4, 10)



static const iomux_cfg_t tx28_stk5v3_pads[] __initconst = {

	/* LED */

	MX28_PAD_ENET0_RXD3__GPIO_4_10 |

		MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL,



	/* framebuffer */

#define LCD_MODE (MXS_PAD_3V3 | MXS_PAD_4MA)

	MX28_PAD_LCD_D00__LCD_D0 | LCD_MODE,

	MX28_PAD_LCD_D01__LCD_D1 | LCD_MODE,

	MX28_PAD_LCD_D02__LCD_D2 | LCD_MODE,

	MX28_PAD_LCD_D03__LCD_D3 | LCD_MODE,

	MX28_PAD_LCD_D04__LCD_D4 | LCD_MODE,

	MX28_PAD_LCD_D05__LCD_D5 | LCD_MODE,

	MX28_PAD_LCD_D06__LCD_D6 | LCD_MODE,

	MX28_PAD_LCD_D07__LCD_D7 | LCD_MODE,

	MX28_PAD_LCD_D08__LCD_D8 | LCD_MODE,

	MX28_PAD_LCD_D09__LCD_D9 | LCD_MODE,

	MX28_PAD_LCD_D10__LCD_D10 | LCD_MODE,

	MX28_PAD_LCD_D11__LCD_D11 | LCD_MODE,

	MX28_PAD_LCD_D12__LCD_D12 | LCD_MODE,

	MX28_PAD_LCD_D13__LCD_D13 | LCD_MODE,

	MX28_PAD_LCD_D14__LCD_D14 | LCD_MODE,

	MX28_PAD_LCD_D15__LCD_D15 | LCD_MODE,

	MX28_PAD_LCD_D16__LCD_D16 | LCD_MODE,

	MX28_PAD_LCD_D17__LCD_D17 | LCD_MODE,

	MX28_PAD_LCD_D18__LCD_D18 | LCD_MODE,

	MX28_PAD_LCD_D19__LCD_D19 | LCD_MODE,

	MX28_PAD_LCD_D20__LCD_D20 | LCD_MODE,

	MX28_PAD_LCD_D21__LCD_D21 | LCD_MODE,

	MX28_PAD_LCD_D22__LCD_D22 | LCD_MODE,

	MX28_PAD_LCD_D23__LCD_D23 | LCD_MODE,

	MX28_PAD_LCD_RD_E__LCD_VSYNC | LCD_MODE,

	MX28_PAD_LCD_WR_RWN__LCD_HSYNC | LCD_MODE,

	MX28_PAD_LCD_RS__LCD_DOTCLK | LCD_MODE,

	MX28_PAD_LCD_CS__LCD_CS | LCD_MODE,

	MX28_PAD_LCD_VSYNC__LCD_VSYNC | LCD_MODE,

	MX28_PAD_LCD_HSYNC__LCD_HSYNC | LCD_MODE,

	MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | LCD_MODE,

	MX28_PAD_LCD_ENABLE__GPIO_1_31 | LCD_MODE,

	MX28_PAD_LCD_RESET__GPIO_3_30 | LCD_MODE,

	MX28_PAD_PWM0__PWM_0 | LCD_MODE,



	/* UART1 */

	MX28_PAD_AUART0_CTS__DUART_RX,

	MX28_PAD_AUART0_RTS__DUART_TX,

	MX28_PAD_AUART0_TX__DUART_RTS,

	MX28_PAD_AUART0_RX__DUART_CTS,



	/* UART2 */

	MX28_PAD_AUART1_RX__AUART1_RX,

	MX28_PAD_AUART1_TX__AUART1_TX,

	MX28_PAD_AUART1_RTS__AUART1_RTS,

	MX28_PAD_AUART1_CTS__AUART1_CTS,



	/* CAN */

	MX28_PAD_GPMI_RDY2__CAN0_TX,

	MX28_PAD_GPMI_RDY3__CAN0_RX,



	/* I2C */

	MX28_PAD_I2C0_SCL__I2C0_SCL,

	MX28_PAD_I2C0_SDA__I2C0_SDA,



	/* TSC2007 */

	MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP,



	/* MMC0 */

	MX28_PAD_SSP0_DATA0__SSP0_D0 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA1__SSP0_D1 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA2__SSP0_D2 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA3__SSP0_D3 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA4__SSP0_D4 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA5__SSP0_D5 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA6__SSP0_D6 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DATA7__SSP0_D7 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_CMD__SSP0_CMD |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

	MX28_PAD_SSP0_SCK__SSP0_SCK |

		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

};



static struct gpio_led tx28_stk5v3_leds[] = {

	{

		.name = "GPIO-LED",

		.default_trigger = "heartbeat",

		.gpio = TX28_STK5_GPIO_LED,

	},

};



static const struct gpio_led_platform_data tx28_stk5v3_led_data __initconst = {

	.leds = tx28_stk5v3_leds,

	.num_leds = ARRAY_SIZE(tx28_stk5v3_leds),

};



static struct spi_board_info tx28_spi_board_info[] = {

	{

		.modalias = "spidev",

		.max_speed_hz = 20000000,

		.bus_num = 0,

		.chip_select = 1,

		.controller_data = (void *)SPI_GPIO_NO_CHIPSELECT,

		.mode = SPI_MODE_0,

	},

};



static void __init tx28_stk5v3_init(void)

{

	mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads,

			ARRAY_SIZE(tx28_stk5v3_pads));



	mx28_add_duart(); /* UART1 */

	mx28_add_auart(1); /* UART2 */



	tx28_add_fec0();

	/* spi via ssp will be added when available */

	spi_register_board_info(tx28_spi_board_info,

			ARRAY_SIZE(tx28_spi_board_info));

	mxs_add_platform_device("leds-gpio", 0, NULL, 0,

			&tx28_stk5v3_led_data, sizeof(tx28_stk5v3_led_data));

}



static void __init tx28_timer_init(void)

{

	mx28_clocks_init();

}



static struct sys_timer tx28_timer = {

	.init = tx28_timer_init,

};



MACHINE_START(TX28, "Ka-Ro electronics TX28 module")

	.map_io = mx28_map_io,

	.init_irq = mx28_init_irq,

	.init_machine = tx28_stk5v3_init,

	.timer = &tx28_timer,

MACHINE_END