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21#include <linux/init.h>
22#include <linux/clk.h>
23#include <linux/delay.h>
24#include <linux/gpio.h>
25#include <linux/i2c.h>
26
27#include <mach/common.h>
28#include <mach/hardware.h>
29#include <mach/iomux-mx53.h>
30
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34
35#include "devices-imx53.h"
36
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)
45#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
46
47static iomux_v3_cfg_t mx53_loco_pads[] = {
48
49 MX53_PAD_FEC_MDC__FEC_MDC,
50 MX53_PAD_FEC_MDIO__FEC_MDIO,
51 MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
52 MX53_PAD_FEC_RX_ER__FEC_RX_ER,
53 MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
54 MX53_PAD_FEC_RXD1__FEC_RDATA_1,
55 MX53_PAD_FEC_RXD0__FEC_RDATA_0,
56 MX53_PAD_FEC_TX_EN__FEC_TX_EN,
57 MX53_PAD_FEC_TXD1__FEC_TDATA_1,
58 MX53_PAD_FEC_TXD0__FEC_TDATA_0,
59
60 MX53_PAD_PATA_DA_0__GPIO7_6,
61
62 MX53_PAD_PATA_DATA4__GPIO2_4,
63
64 MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
65 MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
66 MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
67 MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
68
69 MX53_PAD_CSI0_DAT8__I2C1_SDA,
70 MX53_PAD_CSI0_DAT9__I2C1_SCL,
71 MX53_PAD_NANDF_CS1__GPIO6_14,
72
73 MX53_PAD_KEY_COL3__I2C2_SCL,
74 MX53_PAD_KEY_ROW3__I2C2_SDA,
75
76 MX53_PAD_SD1_CMD__ESDHC1_CMD,
77 MX53_PAD_SD1_CLK__ESDHC1_CLK,
78 MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
79 MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
80 MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
81 MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
82
83 MX53_PAD_EIM_DA13__GPIO3_13,
84
85 MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
86 MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
87 MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
88 MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
89 MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
90 MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
91 MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
92 MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
93 MX53_PAD_PATA_IORDY__ESDHC3_CLK,
94 MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
95
96 MX53_PAD_EIM_DA11__GPIO3_11,
97
98 MX53_PAD_EIM_DA12__GPIO3_12,
99
100 MX53_PAD_EIM_OE__IPU_DI1_PIN7,
101 MX53_PAD_EIM_RW__IPU_DI1_PIN8,
102
103 MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
104 MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
105 MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
106 MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
107
108 MX53_PAD_EIM_D24__GPIO3_24,
109
110 MX53_PAD_EIM_D31__GPIO3_31,
111
112 MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
113 MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
114 MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
115 MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
116 MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
117 MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
118 MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
119 MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
120 MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
121 MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
122
123 MX53_PAD_CSI0_DAT8__I2C1_SDA,
124 MX53_PAD_CSI0_DAT9__I2C1_SCL,
125
126 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
127 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
128
129 MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
130 MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
131 MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
132 MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
133 MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
134 MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
135 MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
136 MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
137 MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
138 MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
139 MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
140
141 MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
142 MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
143 MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
144 MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
145 MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
146 MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
147 MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
148 MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
149 MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
150 MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
151 MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
152 MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
153 MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
154 MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
155 MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
156 MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
157 MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
158 MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
159 MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
160 MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
161 MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
162 MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
163 MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
164 MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
165 MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
166 MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
167 MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
168 MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
169
170 MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
171
172 MX53_PAD_GPIO_1__PWM2_PWMO,
173
174 MX53_PAD_GPIO_7__SPDIF_PLOCK,
175 MX53_PAD_GPIO_17__SPDIF_OUT1,
176
177 MX53_PAD_PATA_DA_1__GPIO7_7,
178 MX53_PAD_PATA_DA_2__GPIO7_8,
179 MX53_PAD_PATA_DATA5__GPIO2_5,
180 MX53_PAD_PATA_DATA6__GPIO2_6,
181 MX53_PAD_PATA_DATA14__GPIO2_14,
182 MX53_PAD_PATA_DATA15__GPIO2_15,
183 MX53_PAD_PATA_INTRQ__GPIO7_2,
184 MX53_PAD_EIM_WAIT__GPIO5_0,
185 MX53_PAD_NANDF_WP_B__GPIO6_9,
186 MX53_PAD_NANDF_RB0__GPIO6_10,
187 MX53_PAD_NANDF_CS1__GPIO6_14,
188 MX53_PAD_NANDF_CS2__GPIO6_15,
189 MX53_PAD_NANDF_CS3__GPIO6_16,
190 MX53_PAD_GPIO_5__GPIO1_5,
191 MX53_PAD_GPIO_16__GPIO7_11,
192 MX53_PAD_GPIO_8__GPIO1_8,
193};
194
195#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
196{ \
197 .gpio = gpio_num, \
198 .type = EV_KEY, \
199 .code = ev_code, \
200 .active_low = act_low, \
201 .desc = "btn " descr, \
202 .wakeup = wake, \
203}
204
205static struct gpio_keys_button loco_buttons[] = {
206 GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
207 GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
208 GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
209};
210
211static const struct gpio_keys_platform_data loco_button_data __initconst = {
212 .buttons = loco_buttons,
213 .nbuttons = ARRAY_SIZE(loco_buttons),
214};
215
216static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
217 .cd_gpio = LOCO_SD1_CD,
218 .cd_type = ESDHC_CD_GPIO,
219 .wp_type = ESDHC_WP_NONE,
220};
221
222static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
223 .cd_gpio = LOCO_SD3_CD,
224 .wp_gpio = LOCO_SD3_WP,
225 .cd_type = ESDHC_CD_GPIO,
226 .wp_type = ESDHC_WP_GPIO,
227};
228
229static inline void mx53_loco_fec_reset(void)
230{
231 int ret;
232
233
234 ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
235 if (ret) {
236 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
237 return;
238 }
239 gpio_direction_output(LOCO_FEC_PHY_RST, 0);
240 msleep(1);
241 gpio_set_value(LOCO_FEC_PHY_RST, 1);
242}
243
244static const struct fec_platform_data mx53_loco_fec_data __initconst = {
245 .phy = PHY_INTERFACE_MODE_RMII,
246};
247
248static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
249 .bitrate = 100000,
250};
251
252static const struct gpio_led mx53loco_leds[] __initconst = {
253 {
254 .name = "green",
255 .default_trigger = "heartbeat",
256 .gpio = LOCO_LED,
257 },
258};
259
260static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
261 .leds = mx53loco_leds,
262 .num_leds = ARRAY_SIZE(mx53loco_leds),
263};
264
265void __init imx53_qsb_common_init(void)
266{
267 mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
268 ARRAY_SIZE(mx53_loco_pads));
269}
270
271static struct i2c_board_info mx53loco_i2c_devices[] = {
272 {
273 I2C_BOARD_INFO("mma8450", 0x1C),
274 },
275};
276
277static void __init mx53_loco_board_init(void)
278{
279 int ret;
280 imx53_soc_init();
281 imx53_qsb_common_init();
282
283 imx53_add_imx_uart(0, NULL);
284 mx53_loco_fec_reset();
285 imx53_add_fec(&mx53_loco_fec_data);
286 imx53_add_imx2_wdt(0, NULL);
287
288 ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
289 if (ret)
290 pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
291
292 i2c_register_board_info(0, mx53loco_i2c_devices,
293 ARRAY_SIZE(mx53loco_i2c_devices));
294 imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
295 imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
296 imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
297 imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
298 imx_add_gpio_keys(&loco_button_data);
299 gpio_led_register_device(-1, &mx53loco_leds_data);
300 imx53_add_ahci_imx();
301}
302
303static void __init mx53_loco_timer_init(void)
304{
305 mx53_clocks_init(32768, 24000000, 0, 0);
306}
307
308static struct sys_timer mx53_loco_timer = {
309 .init = mx53_loco_timer_init,
310};
311
312MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
313 .map_io = mx53_map_io,
314 .init_early = imx53_init_early,
315 .init_irq = mx53_init_irq,
316 .handle_irq = imx53_handle_irq,
317 .timer = &mx53_loco_timer,
318 .init_machine = mx53_loco_board_init,
319 .restart = mxc_restart,
320MACHINE_END
321
