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/usb/otg.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/time.h>
37 #include <asm/memory.h>
38 #include <asm/mach/map.h>
41 #include "devices-imx25.h"
43 #include "iomux-mx25.h"
46 #define MX25PDK_CAN_PWDN IMX_GPIO_NR(4, 6)
48 static const struct imxuart_platform_data uart_pdata __initconst
= {
49 .flags
= IMXUART_HAVE_RTSCTS
,
52 static iomux_v3_cfg_t 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
,
107 MX25_PAD_A14__GPIO_2_0
, /* WriteProtect */
108 MX25_PAD_A15__GPIO_2_1
, /* CardDetect */
111 MX25_PAD_I2C1_CLK__I2C1_CLK
,
112 MX25_PAD_I2C1_DAT__I2C1_DAT
,
115 MX25_PAD_GPIO_A__CAN1_TX
,
116 MX25_PAD_GPIO_B__CAN1_RX
,
117 MX25_PAD_D14__GPIO_4_6
, /* CAN_PWDN */
120 static const struct fec_platform_data mx25_fec_pdata __initconst
= {
121 .phy
= PHY_INTERFACE_MODE_RMII
,
124 #define FEC_ENABLE_GPIO IMX_GPIO_NR(2, 3)
125 #define FEC_RESET_B_GPIO IMX_GPIO_NR(4, 8)
127 static void __init
mx25pdk_fec_reset(void)
129 gpio_request(FEC_ENABLE_GPIO
, "FEC PHY enable");
130 gpio_request(FEC_RESET_B_GPIO
, "FEC PHY reset");
132 gpio_direction_output(FEC_ENABLE_GPIO
, 0); /* drop PHY power */
133 gpio_direction_output(FEC_RESET_B_GPIO
, 0); /* assert reset */
136 /* turn on PHY power and lift reset */
137 gpio_set_value(FEC_ENABLE_GPIO
, 1);
138 gpio_set_value(FEC_RESET_B_GPIO
, 1);
141 static const struct mxc_nand_platform_data
142 mx25pdk_nand_board_info __initconst
= {
148 static struct imx_fb_videomode mx25pdk_modes
[] = {
168 static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst
= {
169 .mode
= mx25pdk_modes
,
170 .num_modes
= ARRAY_SIZE(mx25pdk_modes
),
176 static const uint32_t mx25pdk_keymap
[] = {
179 KEY(0, 2, KEY_VOLUMEDOWN
),
181 KEY(1, 0, KEY_RIGHT
),
183 KEY(1, 2, KEY_ENTER
),
184 KEY(1, 3, KEY_VOLUMEUP
),
192 KEY(3, 3, KEY_POWER
),
195 static const struct matrix_keymap_data mx25pdk_keymap_data __initconst
= {
196 .keymap
= mx25pdk_keymap
,
197 .keymap_size
= ARRAY_SIZE(mx25pdk_keymap
),
200 static int mx25pdk_usbh2_init(struct platform_device
*pdev
)
202 return mx25_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERNAL_PHY
);
205 static const struct mxc_usbh_platform_data usbh2_pdata __initconst
= {
206 .init
= mx25pdk_usbh2_init
,
207 .portsc
= MXC_EHCI_MODE_SERIAL
,
210 static const struct fsl_usb2_platform_data otg_device_pdata __initconst
= {
211 .operating_mode
= FSL_USB2_DR_DEVICE
,
212 .phy_mode
= FSL_USB2_PHY_UTMI
,
215 static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst
= {
219 #define SD1_GPIO_WP IMX_GPIO_NR(2, 0)
220 #define SD1_GPIO_CD IMX_GPIO_NR(2, 1)
222 static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst
= {
223 .wp_gpio
= SD1_GPIO_WP
,
224 .cd_gpio
= SD1_GPIO_CD
,
225 .wp_type
= ESDHC_WP_GPIO
,
226 .cd_type
= ESDHC_CD_GPIO
,
229 static void __init
mx25pdk_init(void)
233 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads
,
234 ARRAY_SIZE(mx25pdk_pads
));
236 imx25_add_imx_uart0(&uart_pdata
);
237 imx25_add_fsl_usb2_udc(&otg_device_pdata
);
238 imx25_add_mxc_ehci_hs(&usbh2_pdata
);
239 imx25_add_mxc_nand(&mx25pdk_nand_board_info
);
240 imx25_add_imxdi_rtc();
241 imx25_add_imx_fb(&mx25pdk_fb_pdata
);
242 imx25_add_imx2_wdt();
245 imx25_add_fec(&mx25_fec_pdata
);
246 imx25_add_imx_keypad(&mx25pdk_keymap_data
);
248 imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata
);
249 imx25_add_imx_i2c0(&mx25_3ds_i2c0_data
);
251 gpio_request_one(MX25PDK_CAN_PWDN
, GPIOF_OUT_INIT_LOW
, "can-pwdn");
252 imx25_add_flexcan0(NULL
);
255 static void __init
mx25pdk_timer_init(void)
260 static struct sys_timer mx25pdk_timer
= {
261 .init
= mx25pdk_timer_init
,
264 MACHINE_START(MX25_3DS
, "Freescale MX25PDK (3DS)")
265 /* Maintainer: Freescale Semiconductor, Inc. */
266 .atag_offset
= 0x100,
267 .map_io
= mx25_map_io
,
268 .init_early
= imx25_init_early
,
269 .init_irq
= mx25_init_irq
,
270 .handle_irq
= imx25_handle_irq
,
271 .timer
= &mx25pdk_timer
,
272 .init_machine
= mx25pdk_init
,
273 .restart
= mxc_restart
,