2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <linux/init.h>
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/gpio.h>
26 #include <mach/common.h>
27 #include <mach/hardware.h>
28 #include <mach/iomux-mx53.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/time.h>
35 #include "devices-imx53.h"
37 #define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
38 #define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
39 #define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
40 #define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
41 #define LOCO_LED IMX_GPIO_NR(7, 7)
42 #define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
43 #define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
44 #define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
46 static iomux_v3_cfg_t mx53_loco_pads[] = {
48 MX53_PAD_FEC_MDC__FEC_MDC,
49 MX53_PAD_FEC_MDIO__FEC_MDIO,
50 MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
51 MX53_PAD_FEC_RX_ER__FEC_RX_ER,
52 MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
53 MX53_PAD_FEC_RXD1__FEC_RDATA_1,
54 MX53_PAD_FEC_RXD0__FEC_RDATA_0,
55 MX53_PAD_FEC_TX_EN__FEC_TX_EN,
56 MX53_PAD_FEC_TXD1__FEC_TDATA_1,
57 MX53_PAD_FEC_TXD0__FEC_TDATA_0,
59 MX53_PAD_PATA_DA_0__GPIO7_6,
61 MX53_PAD_PATA_DATA4__GPIO2_4,
63 MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
64 MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
65 MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
66 MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
68 MX53_PAD_KEY_COL3__I2C2_SCL,
69 MX53_PAD_KEY_ROW3__I2C2_SDA,
71 MX53_PAD_SD1_CMD__ESDHC1_CMD,
72 MX53_PAD_SD1_CLK__ESDHC1_CLK,
73 MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
74 MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
75 MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
76 MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
78 MX53_PAD_EIM_DA13__GPIO3_13,
80 MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
81 MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
82 MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
83 MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
84 MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
85 MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
86 MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
87 MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
88 MX53_PAD_PATA_IORDY__ESDHC3_CLK,
89 MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
91 MX53_PAD_EIM_DA11__GPIO3_11,
93 MX53_PAD_EIM_DA12__GPIO3_12,
95 MX53_PAD_EIM_OE__IPU_DI1_PIN7,
96 MX53_PAD_EIM_RW__IPU_DI1_PIN8,
98 MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
99 MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
100 MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
101 MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
103 MX53_PAD_EIM_D24__GPIO3_24,
105 MX53_PAD_EIM_D31__GPIO3_31,
107 MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
108 MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
109 MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
110 MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
111 MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
112 MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
113 MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
114 MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
115 MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
116 MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
118 MX53_PAD_CSI0_DAT8__I2C1_SDA,
119 MX53_PAD_CSI0_DAT9__I2C1_SCL,
121 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
122 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
124 MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
125 MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
126 MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
127 MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
128 MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
129 MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
130 MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
131 MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
132 MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
133 MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
134 MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
136 MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
137 MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
138 MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
139 MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
140 MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
141 MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
142 MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
143 MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
144 MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
145 MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
146 MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
147 MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
148 MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
149 MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
150 MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
151 MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
152 MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
153 MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
154 MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
155 MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
156 MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
157 MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
158 MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
159 MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
160 MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
161 MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
162 MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
163 MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
165 MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
167 MX53_PAD_GPIO_1__PWM2_PWMO,
169 MX53_PAD_GPIO_7__SPDIF_PLOCK,
170 MX53_PAD_GPIO_17__SPDIF_OUT1,
172 MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */
173 MX53_PAD_PATA_DA_2__GPIO7_8,
174 MX53_PAD_PATA_DATA5__GPIO2_5,
175 MX53_PAD_PATA_DATA6__GPIO2_6,
176 MX53_PAD_PATA_DATA14__GPIO2_14,
177 MX53_PAD_PATA_DATA15__GPIO2_15,
178 MX53_PAD_PATA_INTRQ__GPIO7_2,
179 MX53_PAD_EIM_WAIT__GPIO5_0,
180 MX53_PAD_NANDF_WP_B__GPIO6_9,
181 MX53_PAD_NANDF_RB0__GPIO6_10,
182 MX53_PAD_NANDF_CS1__GPIO6_14,
183 MX53_PAD_NANDF_CS2__GPIO6_15,
184 MX53_PAD_NANDF_CS3__GPIO6_16,
185 MX53_PAD_GPIO_5__GPIO1_5,
186 MX53_PAD_GPIO_16__GPIO7_11,
187 MX53_PAD_GPIO_8__GPIO1_8,
190 #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
195 .active_low = act_low, \
196 .desc = "btn " descr, \
200 static struct gpio_keys_button loco_buttons[] = {
201 GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
202 GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
203 GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
206 static const struct gpio_keys_platform_data loco_button_data __initconst = {
207 .buttons = loco_buttons,
208 .nbuttons = ARRAY_SIZE(loco_buttons),
211 static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
212 .cd_gpio = LOCO_SD1_CD,
213 .cd_type = ESDHC_CD_GPIO,
214 .wp_type = ESDHC_WP_NONE,
217 static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
218 .cd_gpio = LOCO_SD3_CD,
219 .wp_gpio = LOCO_SD3_WP,
220 .cd_type = ESDHC_CD_GPIO,
221 .wp_type = ESDHC_WP_GPIO,
224 static inline void mx53_loco_fec_reset(void)
229 ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
231 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
234 gpio_direction_output(LOCO_FEC_PHY_RST, 0);
236 gpio_set_value(LOCO_FEC_PHY_RST, 1);
239 static struct fec_platform_data mx53_loco_fec_data = {
240 .phy = PHY_INTERFACE_MODE_RMII,
243 static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
247 static const struct gpio_led mx53loco_leds[] __initconst = {
250 .default_trigger = "heartbeat",
255 static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
256 .leds = mx53loco_leds,
257 .num_leds = ARRAY_SIZE(mx53loco_leds),
260 static void __init mx53_loco_board_init(void)
264 mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
265 ARRAY_SIZE(mx53_loco_pads));
266 imx53_add_imx_uart(0, NULL);
267 mx53_loco_fec_reset();
268 imx53_add_fec(&mx53_loco_fec_data);
269 imx53_add_imx2_wdt(0, NULL);
270 imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
271 imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
272 imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
273 imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
274 imx_add_gpio_keys(&loco_button_data);
275 gpio_led_register_device(-1, &mx53loco_leds_data);
278 static void __init mx53_loco_timer_init(void)
280 mx53_clocks_init(32768, 24000000, 0, 0);
283 static struct sys_timer mx53_loco_timer = {
284 .init = mx53_loco_timer_init,
287 MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
288 .map_io = mx53_map_io,
289 .init_early = imx53_init_early,
290 .init_irq = mx53_init_irq,
291 .timer = &mx53_loco_timer,
292 .init_machine = mx53_loco_board_init,