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>
33 #include <linux/usb/otg.h>
35 #include <mach/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/time.h>
39 #include <asm/memory.h>
40 #include <asm/mach/map.h>
41 #include <mach/common.h>
42 #include <mach/mx25.h>
43 #include <mach/iomux-mx25.h>
45 #include "devices-imx25.h"
47 static const struct imxuart_platform_data uart_pdata __initconst = {
48 .flags = IMXUART_HAVE_RTSCTS,
51 static iomux_v3_cfg_t mx25pdk_pads[] = {
52 MX25_PAD_FEC_MDC__FEC_MDC,
53 MX25_PAD_FEC_MDIO__FEC_MDIO,
54 MX25_PAD_FEC_TDATA0__FEC_TDATA0,
55 MX25_PAD_FEC_TDATA1__FEC_TDATA1,
56 MX25_PAD_FEC_TX_EN__FEC_TX_EN,
57 MX25_PAD_FEC_RDATA0__FEC_RDATA0,
58 MX25_PAD_FEC_RDATA1__FEC_RDATA1,
59 MX25_PAD_FEC_RX_DV__FEC_RX_DV,
60 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
61 MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
62 MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
81 MX25_PAD_GPIO_E__LD16,
82 MX25_PAD_GPIO_F__LD17,
83 MX25_PAD_HSYNC__HSYNC,
84 MX25_PAD_VSYNC__VSYNC,
85 MX25_PAD_LSCLK__LSCLK,
86 MX25_PAD_OE_ACD__OE_ACD,
87 MX25_PAD_CONTRAST__CONTRAST,
90 MX25_PAD_KPP_ROW0__KPP_ROW0,
91 MX25_PAD_KPP_ROW1__KPP_ROW1,
92 MX25_PAD_KPP_ROW2__KPP_ROW2,
93 MX25_PAD_KPP_ROW3__KPP_ROW3,
94 MX25_PAD_KPP_COL0__KPP_COL0,
95 MX25_PAD_KPP_COL1__KPP_COL1,
96 MX25_PAD_KPP_COL2__KPP_COL2,
97 MX25_PAD_KPP_COL3__KPP_COL3,
100 MX25_PAD_SD1_CMD__SD1_CMD,
101 MX25_PAD_SD1_CLK__SD1_CLK,
102 MX25_PAD_SD1_DATA0__SD1_DATA0,
103 MX25_PAD_SD1_DATA1__SD1_DATA1,
104 MX25_PAD_SD1_DATA2__SD1_DATA2,
105 MX25_PAD_SD1_DATA3__SD1_DATA3,
106 MX25_PAD_A14__GPIO_2_0, /* WriteProtect */
107 MX25_PAD_A15__GPIO_2_1, /* CardDetect */
110 MX25_PAD_I2C1_CLK__I2C1_CLK,
111 MX25_PAD_I2C1_DAT__I2C1_DAT,
114 static const struct fec_platform_data mx25_fec_pdata __initconst = {
115 .phy = PHY_INTERFACE_MODE_RMII,
118 #define FEC_ENABLE_GPIO IMX_GPIO_NR(2, 3)
119 #define FEC_RESET_B_GPIO IMX_GPIO_NR(4, 8)
121 static void __init mx25pdk_fec_reset(void)
123 gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
124 gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
126 gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
127 gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
130 /* turn on PHY power and lift reset */
131 gpio_set_value(FEC_ENABLE_GPIO, 1);
132 gpio_set_value(FEC_RESET_B_GPIO, 1);
135 static const struct mxc_nand_platform_data
136 mx25pdk_nand_board_info __initconst = {
142 static struct imx_fb_videomode mx25pdk_modes[] = {
162 static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst = {
163 .mode = mx25pdk_modes,
164 .num_modes = ARRAY_SIZE(mx25pdk_modes),
170 static const uint32_t mx25pdk_keymap[] = {
173 KEY(0, 2, KEY_VOLUMEDOWN),
175 KEY(1, 0, KEY_RIGHT),
177 KEY(1, 2, KEY_ENTER),
178 KEY(1, 3, KEY_VOLUMEUP),
186 KEY(3, 3, KEY_POWER),
189 static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
190 .keymap = mx25pdk_keymap,
191 .keymap_size = ARRAY_SIZE(mx25pdk_keymap),
194 static int mx25pdk_usbh2_init(struct platform_device *pdev)
196 return mx25_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
199 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
200 .init = mx25pdk_usbh2_init,
201 .portsc = MXC_EHCI_MODE_SERIAL,
204 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
205 .operating_mode = FSL_USB2_DR_DEVICE,
206 .phy_mode = FSL_USB2_PHY_UTMI,
209 static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = {
213 #define SD1_GPIO_WP IMX_GPIO_NR(2, 0)
214 #define SD1_GPIO_CD IMX_GPIO_NR(2, 1)
216 static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
217 .wp_gpio = SD1_GPIO_WP,
218 .cd_gpio = SD1_GPIO_CD,
221 static void __init mx25pdk_init(void)
223 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
224 ARRAY_SIZE(mx25pdk_pads));
226 imx25_add_imx_uart0(&uart_pdata);
227 imx25_add_fsl_usb2_udc(&otg_device_pdata);
228 imx25_add_mxc_ehci_hs(&usbh2_pdata);
229 imx25_add_mxc_nand(&mx25pdk_nand_board_info);
230 imx25_add_imxdi_rtc(NULL);
231 imx25_add_imx_fb(&mx25pdk_fb_pdata);
232 imx25_add_imx2_wdt(NULL);
235 imx25_add_fec(&mx25_fec_pdata);
236 imx25_add_imx_keypad(&mx25pdk_keymap_data);
238 imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
239 imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);
242 static void __init mx25pdk_timer_init(void)
247 static struct sys_timer mx25pdk_timer = {
248 .init = mx25pdk_timer_init,
251 MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
252 /* Maintainer: Freescale Semiconductor, Inc. */
253 .boot_params = MX25_PHYS_OFFSET + 0x100,
254 .map_io = mx25_map_io,
255 .init_early = imx25_init_early,
256 .init_irq = mx25_init_irq,
257 .timer = &mx25pdk_timer,
258 .init_machine = mx25pdk_init,