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-rw-r--r--arch/arm/mach-mxs/mach-tx28.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-tx28.c b/arch/arm/mach-mxs/mach-tx28.c
new file mode 100644
index 000000000000..b609b84784d0
--- /dev/null
+++ b/arch/arm/mach-mxs/mach-tx28.c
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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>
17
18#include <asm/mach/arch.h>
19#include <asm/mach/time.h>
20
21#include <mach/common.h>
22#include <mach/iomux-mx28.h>
23
24#include "devices-mx28.h"
25#include "module-tx28.h"
26
27#define TX28_STK5_GPIO_LED MXS_GPIO_NR(4, 10)
28
29static const iomux_cfg_t tx28_stk5v3_pads[] __initconst = {
30 /* LED */
31 MX28_PAD_ENET0_RXD3__GPIO_4_10 |
32 MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL,
33
34 /* framebuffer */
35#define LCD_MODE (MXS_PAD_3V3 | MXS_PAD_4MA)
36 MX28_PAD_LCD_D00__LCD_D0 | LCD_MODE,
37 MX28_PAD_LCD_D01__LCD_D1 | LCD_MODE,
38 MX28_PAD_LCD_D02__LCD_D2 | LCD_MODE,
39 MX28_PAD_LCD_D03__LCD_D3 | LCD_MODE,
40 MX28_PAD_LCD_D04__LCD_D4 | LCD_MODE,
41 MX28_PAD_LCD_D05__LCD_D5 | LCD_MODE,
42 MX28_PAD_LCD_D06__LCD_D6 | LCD_MODE,
43 MX28_PAD_LCD_D07__LCD_D7 | LCD_MODE,
44 MX28_PAD_LCD_D08__LCD_D8 | LCD_MODE,
45 MX28_PAD_LCD_D09__LCD_D9 | LCD_MODE,
46 MX28_PAD_LCD_D10__LCD_D10 | LCD_MODE,
47 MX28_PAD_LCD_D11__LCD_D11 | LCD_MODE,
48 MX28_PAD_LCD_D12__LCD_D12 | LCD_MODE,
49 MX28_PAD_LCD_D13__LCD_D13 | LCD_MODE,
50 MX28_PAD_LCD_D14__LCD_D14 | LCD_MODE,
51 MX28_PAD_LCD_D15__LCD_D15 | LCD_MODE,
52 MX28_PAD_LCD_D16__LCD_D16 | LCD_MODE,
53 MX28_PAD_LCD_D17__LCD_D17 | LCD_MODE,
54 MX28_PAD_LCD_D18__LCD_D18 | LCD_MODE,
55 MX28_PAD_LCD_D19__LCD_D19 | LCD_MODE,
56 MX28_PAD_LCD_D20__LCD_D20 | LCD_MODE,
57 MX28_PAD_LCD_D21__LCD_D21 | LCD_MODE,
58 MX28_PAD_LCD_D22__LCD_D22 | LCD_MODE,
59 MX28_PAD_LCD_D23__LCD_D23 | LCD_MODE,
60 MX28_PAD_LCD_RD_E__LCD_VSYNC | LCD_MODE,
61 MX28_PAD_LCD_WR_RWN__LCD_HSYNC | LCD_MODE,
62 MX28_PAD_LCD_RS__LCD_DOTCLK | LCD_MODE,
63 MX28_PAD_LCD_CS__LCD_CS | LCD_MODE,
64 MX28_PAD_LCD_VSYNC__LCD_VSYNC | LCD_MODE,
65 MX28_PAD_LCD_HSYNC__LCD_HSYNC | LCD_MODE,
66 MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | LCD_MODE,
67 MX28_PAD_LCD_ENABLE__GPIO_1_31 | LCD_MODE,
68 MX28_PAD_LCD_RESET__GPIO_3_30 | LCD_MODE,
69 MX28_PAD_PWM0__PWM_0 | LCD_MODE,
70
71 /* UART1 */
72 MX28_PAD_AUART0_CTS__DUART_RX,
73 MX28_PAD_AUART0_RTS__DUART_TX,
74 MX28_PAD_AUART0_TX__DUART_RTS,
75 MX28_PAD_AUART0_RX__DUART_CTS,
76
77 /* UART2 */
78 MX28_PAD_AUART1_RX__AUART1_RX,
79 MX28_PAD_AUART1_TX__AUART1_TX,
80 MX28_PAD_AUART1_RTS__AUART1_RTS,
81 MX28_PAD_AUART1_CTS__AUART1_CTS,
82
83 /* CAN */
84 MX28_PAD_GPMI_RDY2__CAN0_TX,
85 MX28_PAD_GPMI_RDY3__CAN0_RX,
86
87 /* I2C */
88 MX28_PAD_I2C0_SCL__I2C0_SCL,
89 MX28_PAD_I2C0_SDA__I2C0_SDA,
90
91 /* TSC2007 */
92 MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP,
93
94 /* MMC0 */
95 MX28_PAD_SSP0_DATA0__SSP0_D0 |
96 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
97 MX28_PAD_SSP0_DATA1__SSP0_D1 |
98 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
99 MX28_PAD_SSP0_DATA2__SSP0_D2 |
100 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
101 MX28_PAD_SSP0_DATA3__SSP0_D3 |
102 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
103 MX28_PAD_SSP0_DATA4__SSP0_D4 |
104 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
105 MX28_PAD_SSP0_DATA5__SSP0_D5 |
106 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
107 MX28_PAD_SSP0_DATA6__SSP0_D6 |
108 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
109 MX28_PAD_SSP0_DATA7__SSP0_D7 |
110 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
111 MX28_PAD_SSP0_CMD__SSP0_CMD |
112 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
113 MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
114 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
115 MX28_PAD_SSP0_SCK__SSP0_SCK |
116 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
117};
118
119static struct gpio_led tx28_stk5v3_leds[] = {
120 {
121 .name = "GPIO-LED",
122 .default_trigger = "heartbeat",
123 .gpio = TX28_STK5_GPIO_LED,
124 },
125};
126
127static const struct gpio_led_platform_data tx28_stk5v3_led_data __initconst = {
128 .leds = tx28_stk5v3_leds,
129 .num_leds = ARRAY_SIZE(tx28_stk5v3_leds),
130};
131
132static struct spi_board_info tx28_spi_board_info[] = {
133 {
134 .modalias = "spidev",
135 .max_speed_hz = 20000000,
136 .bus_num = 0,
137 .chip_select = 1,
138 .controller_data = (void *)SPI_GPIO_NO_CHIPSELECT,
139 .mode = SPI_MODE_0,
140 },
141};
142
143static void __init tx28_stk5v3_init(void)
144{
145 mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads,
146 ARRAY_SIZE(tx28_stk5v3_pads));
147
148 mx28_add_duart(); /* UART1 */
149 mx28_add_auart(1); /* UART2 */
150
151 tx28_add_fec0();
152 /* spi via ssp will be added when available */
153 spi_register_board_info(tx28_spi_board_info,
154 ARRAY_SIZE(tx28_spi_board_info));
155 mxs_add_platform_device("leds-gpio", 0, NULL, 0,
156 &tx28_stk5v3_led_data, sizeof(tx28_stk5v3_led_data));
157}
158
159static void __init tx28_timer_init(void)
160{
161 mx28_clocks_init();
162}
163
164static struct sys_timer tx28_timer = {
165 .init = tx28_timer_init,
166};
167
168MACHINE_START(TX28, "Ka-Ro electronics TX28 module")
169 .map_io = mx28_map_io,
170 .init_irq = mx28_init_irq,
171 .init_machine = tx28_stk5v3_init,
172 .timer = &tx28_timer,
173MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-17 00:30:47 -0400