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3b18c349 YS |
1 | /* |
2 | * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | */ | |
4 | ||
5 | /* | |
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. | |
10 | ||
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. | |
15 | ||
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. | |
19 | */ | |
20 | ||
21 | #include <linux/init.h> | |
22 | #include <linux/clk.h> | |
3b18c349 YS |
23 | #include <linux/delay.h> |
24 | #include <linux/gpio.h> | |
25 | ||
26 | #include <mach/common.h> | |
27 | #include <mach/hardware.h> | |
3b18c349 YS |
28 | #include <mach/iomux-mx53.h> |
29 | ||
30 | #include <asm/mach-types.h> | |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/time.h> | |
33 | ||
34 | #include "crm_regs.h" | |
35 | #include "devices-imx53.h" | |
36 | ||
14fb20c9 FL |
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) | |
3b18c349 | 40 | #define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6) |
5dc3394c | 41 | #define LOCO_LED IMX_GPIO_NR(7, 7) |
1a636932 AS |
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) | |
3b18c349 YS |
45 | |
46 | static iomux_v3_cfg_t mx53_loco_pads[] = { | |
6388b96e RZ |
47 | /* FEC */ |
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, | |
58 | /* FEC_nRST */ | |
59 | MX53_PAD_PATA_DA_0__GPIO7_6, | |
60 | /* FEC_nINT */ | |
61 | MX53_PAD_PATA_DATA4__GPIO2_4, | |
62 | /* AUDMUX5 */ | |
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, | |
67 | /* I2C2 */ | |
68 | MX53_PAD_KEY_COL3__I2C2_SCL, | |
69 | MX53_PAD_KEY_ROW3__I2C2_SDA, | |
70 | /* SD1 */ | |
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, | |
1a636932 AS |
77 | /* SD1_CD */ |
78 | MX53_PAD_EIM_DA13__GPIO3_13, | |
6388b96e RZ |
79 | /* SD3 */ |
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, | |
90 | /* SD3_CD */ | |
91 | MX53_PAD_EIM_DA11__GPIO3_11, | |
92 | /* SD3_WP */ | |
93 | MX53_PAD_EIM_DA12__GPIO3_12, | |
94 | /* VGA */ | |
95 | MX53_PAD_EIM_OE__IPU_DI1_PIN7, | |
96 | MX53_PAD_EIM_RW__IPU_DI1_PIN8, | |
97 | /* DISPLB */ | |
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, | |
102 | /* DISP0_POWER_EN */ | |
103 | MX53_PAD_EIM_D24__GPIO3_24, | |
104 | /* DISP0 DET INT */ | |
105 | MX53_PAD_EIM_D31__GPIO3_31, | |
106 | /* LVDS */ | |
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, | |
117 | /* I2C1 */ | |
118 | MX53_PAD_CSI0_DAT8__I2C1_SDA, | |
119 | MX53_PAD_CSI0_DAT9__I2C1_SCL, | |
120 | /* UART1 */ | |
67f2a87f FE |
121 | MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, |
122 | MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, | |
6388b96e RZ |
123 | /* CSI0 */ |
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, | |
135 | /* DISPLAY */ | |
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, | |
164 | /* Audio CLK*/ | |
165 | MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK, | |
166 | /* PWM */ | |
167 | MX53_PAD_GPIO_1__PWM2_PWMO, | |
168 | /* SPDIF */ | |
169 | MX53_PAD_GPIO_7__SPDIF_PLOCK, | |
170 | MX53_PAD_GPIO_17__SPDIF_OUT1, | |
171 | /* GPIO */ | |
5dc3394c | 172 | MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */ |
6388b96e RZ |
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, | |
3b18c349 YS |
188 | }; |
189 | ||
14fb20c9 FL |
190 | #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \ |
191 | { \ | |
192 | .gpio = gpio_num, \ | |
193 | .type = EV_KEY, \ | |
194 | .code = ev_code, \ | |
195 | .active_low = act_low, \ | |
196 | .desc = "btn " descr, \ | |
197 | .wakeup = wake, \ | |
198 | } | |
199 | ||
3da25cce | 200 | static struct gpio_keys_button loco_buttons[] = { |
14fb20c9 FL |
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), | |
204 | }; | |
205 | ||
206 | static const struct gpio_keys_platform_data loco_button_data __initconst = { | |
207 | .buttons = loco_buttons, | |
208 | .nbuttons = ARRAY_SIZE(loco_buttons), | |
209 | }; | |
210 | ||
1a636932 AS |
211 | static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = { |
212 | .cd_gpio = LOCO_SD1_CD, | |
213 | }; | |
214 | ||
215 | static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = { | |
216 | .cd_gpio = LOCO_SD3_CD, | |
217 | .wp_gpio = LOCO_SD3_WP, | |
218 | }; | |
219 | ||
3b18c349 YS |
220 | static inline void mx53_loco_fec_reset(void) |
221 | { | |
222 | int ret; | |
223 | ||
224 | /* reset FEC PHY */ | |
225 | ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset"); | |
226 | if (ret) { | |
227 | printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); | |
228 | return; | |
229 | } | |
230 | gpio_direction_output(LOCO_FEC_PHY_RST, 0); | |
231 | msleep(1); | |
232 | gpio_set_value(LOCO_FEC_PHY_RST, 1); | |
233 | } | |
234 | ||
235 | static struct fec_platform_data mx53_loco_fec_data = { | |
236 | .phy = PHY_INTERFACE_MODE_RMII, | |
237 | }; | |
238 | ||
942b99f3 RZ |
239 | static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = { |
240 | .bitrate = 100000, | |
241 | }; | |
242 | ||
5dc3394c FE |
243 | static const struct gpio_led mx53loco_leds[] __initconst = { |
244 | { | |
245 | .name = "green", | |
246 | .default_trigger = "heartbeat", | |
247 | .gpio = LOCO_LED, | |
248 | }, | |
249 | }; | |
250 | ||
251 | static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { | |
252 | .leds = mx53loco_leds, | |
253 | .num_leds = ARRAY_SIZE(mx53loco_leds), | |
254 | }; | |
255 | ||
3b18c349 YS |
256 | static void __init mx53_loco_board_init(void) |
257 | { | |
b78d8e59 SG |
258 | imx53_soc_init(); |
259 | ||
3b18c349 YS |
260 | mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, |
261 | ARRAY_SIZE(mx53_loco_pads)); | |
abc1813d | 262 | imx53_add_imx_uart(0, NULL); |
3b18c349 YS |
263 | mx53_loco_fec_reset(); |
264 | imx53_add_fec(&mx53_loco_fec_data); | |
daa7954c | 265 | imx53_add_imx2_wdt(0, NULL); |
942b99f3 RZ |
266 | imx53_add_imx_i2c(0, &mx53_loco_i2c_data); |
267 | imx53_add_imx_i2c(1, &mx53_loco_i2c_data); | |
1a636932 AS |
268 | imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data); |
269 | imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); | |
14fb20c9 | 270 | imx_add_gpio_keys(&loco_button_data); |
5dc3394c | 271 | gpio_led_register_device(-1, &mx53loco_leds_data); |
3b18c349 YS |
272 | } |
273 | ||
274 | static void __init mx53_loco_timer_init(void) | |
275 | { | |
276 | mx53_clocks_init(32768, 24000000, 0, 0); | |
277 | } | |
278 | ||
279 | static struct sys_timer mx53_loco_timer = { | |
280 | .init = mx53_loco_timer_init, | |
281 | }; | |
282 | ||
283 | MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board") | |
284 | .map_io = mx53_map_io, | |
ab130421 | 285 | .init_early = imx53_init_early, |
3b18c349 | 286 | .init_irq = mx53_init_irq, |
3b18c349 | 287 | .timer = &mx53_loco_timer, |
ab130421 | 288 | .init_machine = mx53_loco_board_init, |
3b18c349 | 289 | MACHINE_END |