2 * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 * Boston, MA 02110-1301, USA.
20 * This machine is known as:
21 * - i.MX25 3-Stack Development System
22 * - i.MX25 Platform Development Kit (i.MX25 PDK)
25 #include <linux/types.h>
26 #include <linux/init.h>
27 #include <linux/delay.h>
28 #include <linux/clk.h>
29 #include <linux/irq.h>
30 #include <linux/gpio.h>
31 #include <linux/platform_device.h>
32 #include <linux/input/matrix_keypad.h>
34 #include <mach/hardware.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/time.h>
38 #include <asm/memory.h>
39 #include <asm/mach/map.h>
40 #include <mach/common.h>
41 #include <mach/mx25.h>
42 #include <mach/imxfb.h>
43 #include <mach/iomux-mx25.h>
45 #include "devices-imx25.h"
48 static const struct imxuart_platform_data uart_pdata __initconst = {
49 .flags = IMXUART_HAVE_RTSCTS,
52 static struct pad_desc mx25pdk_pads[] = {
53 MX25_PAD_FEC_MDC__FEC_MDC,
54 MX25_PAD_FEC_MDIO__FEC_MDIO,
55 MX25_PAD_FEC_TDATA0__FEC_TDATA0,
56 MX25_PAD_FEC_TDATA1__FEC_TDATA1,
57 MX25_PAD_FEC_TX_EN__FEC_TX_EN,
58 MX25_PAD_FEC_RDATA0__FEC_RDATA0,
59 MX25_PAD_FEC_RDATA1__FEC_RDATA1,
60 MX25_PAD_FEC_RX_DV__FEC_RX_DV,
61 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
62 MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
63 MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
82 MX25_PAD_GPIO_E__LD16,
83 MX25_PAD_GPIO_F__LD17,
84 MX25_PAD_HSYNC__HSYNC,
85 MX25_PAD_VSYNC__VSYNC,
86 MX25_PAD_LSCLK__LSCLK,
87 MX25_PAD_OE_ACD__OE_ACD,
88 MX25_PAD_CONTRAST__CONTRAST,
91 MX25_PAD_KPP_ROW0__KPP_ROW0,
92 MX25_PAD_KPP_ROW1__KPP_ROW1,
93 MX25_PAD_KPP_ROW2__KPP_ROW2,
94 MX25_PAD_KPP_ROW3__KPP_ROW3,
95 MX25_PAD_KPP_COL0__KPP_COL0,
96 MX25_PAD_KPP_COL1__KPP_COL1,
97 MX25_PAD_KPP_COL2__KPP_COL2,
98 MX25_PAD_KPP_COL3__KPP_COL3,
101 MX25_PAD_SD1_CMD__SD1_CMD,
102 MX25_PAD_SD1_CLK__SD1_CLK,
103 MX25_PAD_SD1_DATA0__SD1_DATA0,
104 MX25_PAD_SD1_DATA1__SD1_DATA1,
105 MX25_PAD_SD1_DATA2__SD1_DATA2,
106 MX25_PAD_SD1_DATA3__SD1_DATA3,
109 static const struct fec_platform_data mx25_fec_pdata __initconst = {
110 .phy = PHY_INTERFACE_MODE_RMII,
113 #define FEC_ENABLE_GPIO 35
114 #define FEC_RESET_B_GPIO 104
116 static void __init mx25pdk_fec_reset(void)
118 gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
119 gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
121 gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
122 gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
125 /* turn on PHY power and lift reset */
126 gpio_set_value(FEC_ENABLE_GPIO, 1);
127 gpio_set_value(FEC_RESET_B_GPIO, 1);
130 static const struct mxc_nand_platform_data
131 mx25pdk_nand_board_info __initconst = {
137 static struct imx_fb_videomode mx25pdk_modes[] = {
157 static struct imx_fb_platform_data mx25pdk_fb_pdata = {
158 .mode = mx25pdk_modes,
159 .num_modes = ARRAY_SIZE(mx25pdk_modes),
165 static const uint32_t mx25pdk_keymap[] = {
168 KEY(0, 2, KEY_VOLUMEDOWN),
170 KEY(1, 0, KEY_RIGHT),
172 KEY(1, 2, KEY_ENTER),
173 KEY(1, 3, KEY_VOLUMEUP),
181 KEY(3, 3, KEY_POWER),
184 static struct matrix_keymap_data mx25pdk_keymap_data = {
185 .keymap = mx25pdk_keymap,
186 .keymap_size = ARRAY_SIZE(mx25pdk_keymap),
189 static void __init mx25pdk_init(void)
191 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
192 ARRAY_SIZE(mx25pdk_pads));
194 imx25_add_imx_uart0(&uart_pdata);
195 imx25_add_mxc_ehci_hs(NULL);
196 imx25_add_mxc_nand(&mx25pdk_nand_board_info);
197 mxc_register_device(&mx25_rtc_device, NULL);
198 mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);
199 mxc_register_device(&mxc_wdt, NULL);
202 imx25_add_fec(&mx25_fec_pdata);
203 mxc_register_device(&mx25_kpp_device, &mx25pdk_keymap_data);
205 imx25_add_esdhc(0, NULL);
208 static void __init mx25pdk_timer_init(void)
213 static struct sys_timer mx25pdk_timer = {
214 .init = mx25pdk_timer_init,
217 MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
218 /* Maintainer: Freescale Semiconductor, Inc. */
219 .boot_params = MX25_PHYS_OFFSET + 0x100,
220 .map_io = mx25_map_io,
221 .init_irq = mx25_init_irq,
222 .init_machine = mx25pdk_init,
223 .timer = &mx25pdk_timer,