Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 <LW@KARO-electronics.de> |
| 3 | * |
| 4 | * based on: mach-mx28_evk.c |
| 5 | * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * version 2 as published by the Free Software Foundation |
| 10 | */ |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/gpio.h> |
| 13 | #include <linux/leds.h> |
| 14 | #include <linux/platform_device.h> |
| 15 | #include <linux/spi/spi.h> |
| 16 | #include <linux/spi/spi_gpio.h> |
Wolfram Sang | a77dd2a | 2011-02-28 17:40:05 +0100 | [diff] [blame] | 17 | #include <linux/i2c.h> |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 18 | |
| 19 | #include <asm/mach/arch.h> |
| 20 | #include <asm/mach/time.h> |
| 21 | |
| 22 | #include <mach/common.h> |
| 23 | #include <mach/iomux-mx28.h> |
| 24 | |
| 25 | #include "devices-mx28.h" |
| 26 | #include "module-tx28.h" |
| 27 | |
| 28 | #define TX28_STK5_GPIO_LED MXS_GPIO_NR(4, 10) |
| 29 | |
| 30 | static const iomux_cfg_t tx28_stk5v3_pads[] __initconst = { |
| 31 | /* LED */ |
| 32 | MX28_PAD_ENET0_RXD3__GPIO_4_10 | |
| 33 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL, |
| 34 | |
| 35 | /* framebuffer */ |
| 36 | #define LCD_MODE (MXS_PAD_3V3 | MXS_PAD_4MA) |
| 37 | MX28_PAD_LCD_D00__LCD_D0 | LCD_MODE, |
| 38 | MX28_PAD_LCD_D01__LCD_D1 | LCD_MODE, |
| 39 | MX28_PAD_LCD_D02__LCD_D2 | LCD_MODE, |
| 40 | MX28_PAD_LCD_D03__LCD_D3 | LCD_MODE, |
| 41 | MX28_PAD_LCD_D04__LCD_D4 | LCD_MODE, |
| 42 | MX28_PAD_LCD_D05__LCD_D5 | LCD_MODE, |
| 43 | MX28_PAD_LCD_D06__LCD_D6 | LCD_MODE, |
| 44 | MX28_PAD_LCD_D07__LCD_D7 | LCD_MODE, |
| 45 | MX28_PAD_LCD_D08__LCD_D8 | LCD_MODE, |
| 46 | MX28_PAD_LCD_D09__LCD_D9 | LCD_MODE, |
| 47 | MX28_PAD_LCD_D10__LCD_D10 | LCD_MODE, |
| 48 | MX28_PAD_LCD_D11__LCD_D11 | LCD_MODE, |
| 49 | MX28_PAD_LCD_D12__LCD_D12 | LCD_MODE, |
| 50 | MX28_PAD_LCD_D13__LCD_D13 | LCD_MODE, |
| 51 | MX28_PAD_LCD_D14__LCD_D14 | LCD_MODE, |
| 52 | MX28_PAD_LCD_D15__LCD_D15 | LCD_MODE, |
| 53 | MX28_PAD_LCD_D16__LCD_D16 | LCD_MODE, |
| 54 | MX28_PAD_LCD_D17__LCD_D17 | LCD_MODE, |
| 55 | MX28_PAD_LCD_D18__LCD_D18 | LCD_MODE, |
| 56 | MX28_PAD_LCD_D19__LCD_D19 | LCD_MODE, |
| 57 | MX28_PAD_LCD_D20__LCD_D20 | LCD_MODE, |
| 58 | MX28_PAD_LCD_D21__LCD_D21 | LCD_MODE, |
| 59 | MX28_PAD_LCD_D22__LCD_D22 | LCD_MODE, |
| 60 | MX28_PAD_LCD_D23__LCD_D23 | LCD_MODE, |
| 61 | MX28_PAD_LCD_RD_E__LCD_VSYNC | LCD_MODE, |
| 62 | MX28_PAD_LCD_WR_RWN__LCD_HSYNC | LCD_MODE, |
| 63 | MX28_PAD_LCD_RS__LCD_DOTCLK | LCD_MODE, |
| 64 | MX28_PAD_LCD_CS__LCD_CS | LCD_MODE, |
| 65 | MX28_PAD_LCD_VSYNC__LCD_VSYNC | LCD_MODE, |
| 66 | MX28_PAD_LCD_HSYNC__LCD_HSYNC | LCD_MODE, |
| 67 | MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | LCD_MODE, |
| 68 | MX28_PAD_LCD_ENABLE__GPIO_1_31 | LCD_MODE, |
| 69 | MX28_PAD_LCD_RESET__GPIO_3_30 | LCD_MODE, |
| 70 | MX28_PAD_PWM0__PWM_0 | LCD_MODE, |
| 71 | |
| 72 | /* UART1 */ |
| 73 | MX28_PAD_AUART0_CTS__DUART_RX, |
| 74 | MX28_PAD_AUART0_RTS__DUART_TX, |
| 75 | MX28_PAD_AUART0_TX__DUART_RTS, |
| 76 | MX28_PAD_AUART0_RX__DUART_CTS, |
| 77 | |
| 78 | /* UART2 */ |
| 79 | MX28_PAD_AUART1_RX__AUART1_RX, |
| 80 | MX28_PAD_AUART1_TX__AUART1_TX, |
| 81 | MX28_PAD_AUART1_RTS__AUART1_RTS, |
| 82 | MX28_PAD_AUART1_CTS__AUART1_CTS, |
| 83 | |
| 84 | /* CAN */ |
| 85 | MX28_PAD_GPMI_RDY2__CAN0_TX, |
| 86 | MX28_PAD_GPMI_RDY3__CAN0_RX, |
| 87 | |
| 88 | /* I2C */ |
| 89 | MX28_PAD_I2C0_SCL__I2C0_SCL, |
| 90 | MX28_PAD_I2C0_SDA__I2C0_SDA, |
| 91 | |
| 92 | /* TSC2007 */ |
| 93 | MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP, |
| 94 | |
| 95 | /* MMC0 */ |
| 96 | MX28_PAD_SSP0_DATA0__SSP0_D0 | |
| 97 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 98 | MX28_PAD_SSP0_DATA1__SSP0_D1 | |
| 99 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 100 | MX28_PAD_SSP0_DATA2__SSP0_D2 | |
| 101 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 102 | MX28_PAD_SSP0_DATA3__SSP0_D3 | |
| 103 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 104 | MX28_PAD_SSP0_CMD__SSP0_CMD | |
| 105 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 106 | MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | |
| 107 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 108 | MX28_PAD_SSP0_SCK__SSP0_SCK | |
| 109 | (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 110 | }; |
| 111 | |
Uwe Kleine-König | 4daca0e | 2011-05-28 21:05:03 +0200 | [diff] [blame] | 112 | static const struct gpio_led tx28_stk5v3_leds[] __initconst = { |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 113 | { |
| 114 | .name = "GPIO-LED", |
| 115 | .default_trigger = "heartbeat", |
| 116 | .gpio = TX28_STK5_GPIO_LED, |
| 117 | }, |
| 118 | }; |
| 119 | |
| 120 | static const struct gpio_led_platform_data tx28_stk5v3_led_data __initconst = { |
| 121 | .leds = tx28_stk5v3_leds, |
| 122 | .num_leds = ARRAY_SIZE(tx28_stk5v3_leds), |
| 123 | }; |
| 124 | |
| 125 | static struct spi_board_info tx28_spi_board_info[] = { |
| 126 | { |
| 127 | .modalias = "spidev", |
| 128 | .max_speed_hz = 20000000, |
| 129 | .bus_num = 0, |
| 130 | .chip_select = 1, |
| 131 | .controller_data = (void *)SPI_GPIO_NO_CHIPSELECT, |
| 132 | .mode = SPI_MODE_0, |
| 133 | }, |
| 134 | }; |
| 135 | |
Wolfram Sang | a77dd2a | 2011-02-28 17:40:05 +0100 | [diff] [blame] | 136 | static struct i2c_board_info tx28_stk5v3_i2c_boardinfo[] __initdata = { |
| 137 | { |
| 138 | I2C_BOARD_INFO("ds1339", 0x68), |
| 139 | }, |
| 140 | }; |
| 141 | |
Wolfram Sang | 97ea3da | 2011-07-01 16:54:01 +0200 | [diff] [blame] | 142 | static struct mxs_mmc_platform_data tx28_mmc0_pdata __initdata = { |
| 143 | .wp_gpio = -EINVAL, |
| 144 | .flags = SLOTF_4_BIT_CAPABLE, |
| 145 | }; |
| 146 | |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 147 | static void __init tx28_stk5v3_init(void) |
| 148 | { |
| 149 | mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads, |
| 150 | ARRAY_SIZE(tx28_stk5v3_pads)); |
| 151 | |
| 152 | mx28_add_duart(); /* UART1 */ |
| 153 | mx28_add_auart(1); /* UART2 */ |
| 154 | |
| 155 | tx28_add_fec0(); |
| 156 | /* spi via ssp will be added when available */ |
| 157 | spi_register_board_info(tx28_spi_board_info, |
| 158 | ARRAY_SIZE(tx28_spi_board_info)); |
Uwe Kleine-König | 4daca0e | 2011-05-28 21:05:03 +0200 | [diff] [blame] | 159 | gpio_led_register_device(0, &tx28_stk5v3_led_data); |
Wolfram Sang | a77dd2a | 2011-02-28 17:40:05 +0100 | [diff] [blame] | 160 | mx28_add_mxs_i2c(0); |
| 161 | i2c_register_board_info(0, tx28_stk5v3_i2c_boardinfo, |
| 162 | ARRAY_SIZE(tx28_stk5v3_i2c_boardinfo)); |
Wolfram Sang | 97ea3da | 2011-07-01 16:54:01 +0200 | [diff] [blame] | 163 | mx28_add_mxs_mmc(0, &tx28_mmc0_pdata); |
Wolfram Sang | 87d022c | 2011-05-02 16:26:48 +0200 | [diff] [blame] | 164 | mx28_add_rtc_stmp3xxx(); |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | static void __init tx28_timer_init(void) |
| 168 | { |
| 169 | mx28_clocks_init(); |
| 170 | } |
| 171 | |
| 172 | static struct sys_timer tx28_timer = { |
| 173 | .init = tx28_timer_init, |
| 174 | }; |
| 175 | |
| 176 | MACHINE_START(TX28, "Ka-Ro electronics TX28 module") |
| 177 | .map_io = mx28_map_io, |
| 178 | .init_irq = mx28_init_irq, |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 179 | .timer = &tx28_timer, |
Lauri Hintsala | 2db3fcf | 2011-10-18 12:52:29 +0300 | [diff] [blame] | 180 | .init_machine = tx28_stk5v3_init, |
Russell King | 6f91c5a | 2011-11-05 15:43:30 +0000 | [diff] [blame] | 181 | .restart = mxs_restart, |
Lothar Waßmann | 1cb59f9 | 2010-12-10 16:22:47 +0100 | [diff] [blame] | 182 | MACHINE_END |