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55cf4183 SG |
1 | /* |
2 | * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | */ | |
14 | ||
15 | #include <linux/delay.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/gpio.h> | |
55cf4183 SG |
18 | |
19 | #include <asm/mach-types.h> | |
20 | #include <asm/mach/arch.h> | |
21 | #include <asm/mach/time.h> | |
22 | ||
23 | #include <mach/common.h> | |
24 | #include <mach/iomux-mx23.h> | |
25 | ||
26 | #include "devices-mx23.h" | |
27 | ||
b73d77b2 SG |
28 | #define MX23EVK_LCD_ENABLE MXS_GPIO_NR(1, 18) |
29 | #define MX23EVK_BL_ENABLE MXS_GPIO_NR(1, 28) | |
1b6f1e88 SG |
30 | #define MX23EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30) |
31 | #define MX23EVK_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29) | |
b73d77b2 | 32 | |
55cf4183 SG |
33 | static const iomux_cfg_t mx23evk_pads[] __initconst = { |
34 | /* duart */ | |
db63a493 SG |
35 | MX23_PAD_PWM0__DUART_RX | MXS_PAD_CTRL, |
36 | MX23_PAD_PWM1__DUART_TX | MXS_PAD_CTRL, | |
2e8acbc2 SG |
37 | |
38 | /* auart */ | |
db63a493 SG |
39 | MX23_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL, |
40 | MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL, | |
41 | MX23_PAD_AUART1_CTS__AUART1_CTS | MXS_PAD_CTRL, | |
42 | MX23_PAD_AUART1_RTS__AUART1_RTS | MXS_PAD_CTRL, | |
b73d77b2 SG |
43 | |
44 | /* mxsfb (lcdif) */ | |
45 | MX23_PAD_LCD_D00__LCD_D00 | MXS_PAD_CTRL, | |
46 | MX23_PAD_LCD_D01__LCD_D01 | MXS_PAD_CTRL, | |
47 | MX23_PAD_LCD_D02__LCD_D02 | MXS_PAD_CTRL, | |
48 | MX23_PAD_LCD_D03__LCD_D03 | MXS_PAD_CTRL, | |
49 | MX23_PAD_LCD_D04__LCD_D04 | MXS_PAD_CTRL, | |
50 | MX23_PAD_LCD_D05__LCD_D05 | MXS_PAD_CTRL, | |
51 | MX23_PAD_LCD_D06__LCD_D06 | MXS_PAD_CTRL, | |
52 | MX23_PAD_LCD_D07__LCD_D07 | MXS_PAD_CTRL, | |
53 | MX23_PAD_LCD_D08__LCD_D08 | MXS_PAD_CTRL, | |
54 | MX23_PAD_LCD_D09__LCD_D09 | MXS_PAD_CTRL, | |
55 | MX23_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL, | |
56 | MX23_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL, | |
57 | MX23_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL, | |
58 | MX23_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL, | |
59 | MX23_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL, | |
60 | MX23_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL, | |
61 | MX23_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL, | |
62 | MX23_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL, | |
63 | MX23_PAD_GPMI_D08__LCD_D18 | MXS_PAD_CTRL, | |
64 | MX23_PAD_GPMI_D09__LCD_D19 | MXS_PAD_CTRL, | |
65 | MX23_PAD_GPMI_D10__LCD_D20 | MXS_PAD_CTRL, | |
66 | MX23_PAD_GPMI_D11__LCD_D21 | MXS_PAD_CTRL, | |
67 | MX23_PAD_GPMI_D12__LCD_D22 | MXS_PAD_CTRL, | |
68 | MX23_PAD_GPMI_D13__LCD_D23 | MXS_PAD_CTRL, | |
69 | MX23_PAD_LCD_VSYNC__LCD_VSYNC | MXS_PAD_CTRL, | |
70 | MX23_PAD_LCD_HSYNC__LCD_HSYNC | MXS_PAD_CTRL, | |
71 | MX23_PAD_LCD_DOTCK__LCD_DOTCK | MXS_PAD_CTRL, | |
72 | MX23_PAD_LCD_ENABLE__LCD_ENABLE | MXS_PAD_CTRL, | |
73 | /* LCD panel enable */ | |
74 | MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL, | |
75 | /* backlight control */ | |
76 | MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL, | |
1b6f1e88 SG |
77 | |
78 | /* mmc */ | |
79 | MX23_PAD_SSP1_DATA0__SSP1_DATA0 | | |
80 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
81 | MX23_PAD_SSP1_DATA1__SSP1_DATA1 | | |
82 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
83 | MX23_PAD_SSP1_DATA2__SSP1_DATA2 | | |
84 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
85 | MX23_PAD_SSP1_DATA3__SSP1_DATA3 | | |
86 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
87 | MX23_PAD_GPMI_D08__SSP1_DATA4 | | |
88 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
89 | MX23_PAD_GPMI_D09__SSP1_DATA5 | | |
90 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
91 | MX23_PAD_GPMI_D10__SSP1_DATA6 | | |
92 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
93 | MX23_PAD_GPMI_D11__SSP1_DATA7 | | |
94 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
95 | MX23_PAD_SSP1_CMD__SSP1_CMD | | |
96 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | |
97 | MX23_PAD_SSP1_DETECT__SSP1_DETECT | | |
98 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | |
99 | MX23_PAD_SSP1_SCK__SSP1_SCK | | |
100 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | |
101 | /* write protect */ | |
102 | MX23_PAD_PWM4__GPIO_1_30 | | |
103 | (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | |
104 | /* slot power enable */ | |
105 | MX23_PAD_PWM3__GPIO_1_29 | | |
106 | (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | |
b73d77b2 SG |
107 | }; |
108 | ||
109 | /* mxsfb (lcdif) */ | |
110 | static struct fb_videomode mx23evk_video_modes[] = { | |
111 | { | |
112 | .name = "Samsung-LMS430HF02", | |
113 | .refresh = 60, | |
114 | .xres = 480, | |
115 | .yres = 272, | |
116 | .pixclock = 108096, /* picosecond (9.2 MHz) */ | |
117 | .left_margin = 15, | |
118 | .right_margin = 8, | |
119 | .upper_margin = 12, | |
120 | .lower_margin = 4, | |
121 | .hsync_len = 1, | |
122 | .vsync_len = 1, | |
123 | .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT | | |
124 | FB_SYNC_DOTCLK_FAILING_ACT, | |
125 | }, | |
126 | }; | |
127 | ||
128 | static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = { | |
129 | .mode_list = mx23evk_video_modes, | |
130 | .mode_count = ARRAY_SIZE(mx23evk_video_modes), | |
131 | .default_bpp = 32, | |
132 | .ld_intf_width = STMLCDIF_24BIT, | |
55cf4183 SG |
133 | }; |
134 | ||
1b6f1e88 SG |
135 | static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = { |
136 | .wp_gpio = MX23EVK_MMC0_WRITE_PROTECT, | |
137 | .flags = SLOTF_8_BIT_CAPABLE, | |
138 | }; | |
139 | ||
55cf4183 SG |
140 | static void __init mx23evk_init(void) |
141 | { | |
b73d77b2 SG |
142 | int ret; |
143 | ||
55cf4183 SG |
144 | mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads)); |
145 | ||
146 | mx23_add_duart(); | |
2e8acbc2 | 147 | mx23_add_auart0(); |
b73d77b2 | 148 | |
1b6f1e88 | 149 | /* power on mmc slot by writing 0 to the gpio */ |
c7dae181 | 150 | ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, |
1b6f1e88 SG |
151 | "mmc0-slot-power"); |
152 | if (ret) | |
153 | pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret); | |
154 | mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata); | |
155 | ||
b73d77b2 SG |
156 | ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable"); |
157 | if (ret) | |
158 | pr_warn("failed to request gpio lcd-enable: %d\n", ret); | |
159 | else | |
160 | gpio_set_value(MX23EVK_LCD_ENABLE, 1); | |
161 | ||
162 | ret = gpio_request_one(MX23EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable"); | |
163 | if (ret) | |
164 | pr_warn("failed to request gpio bl-enable: %d\n", ret); | |
165 | else | |
166 | gpio_set_value(MX23EVK_BL_ENABLE, 1); | |
167 | ||
168 | mx23_add_mxsfb(&mx23evk_mxsfb_pdata); | |
87d022cc | 169 | mx23_add_rtc_stmp3xxx(); |
55cf4183 SG |
170 | } |
171 | ||
172 | static void __init mx23evk_timer_init(void) | |
173 | { | |
174 | mx23_clocks_init(); | |
175 | } | |
176 | ||
177 | static struct sys_timer mx23evk_timer = { | |
178 | .init = mx23evk_timer_init, | |
179 | }; | |
180 | ||
181 | MACHINE_START(MX23EVK, "Freescale MX23 EVK") | |
182 | /* Maintainer: Freescale Semiconductor, Inc. */ | |
183 | .map_io = mx23_map_io, | |
184 | .init_irq = mx23_init_irq, | |
55cf4183 | 185 | .timer = &mx23evk_timer, |
2db3fcf1 | 186 | .init_machine = mx23evk_init, |
6f91c5a4 | 187 | .restart = mxs_restart, |
55cf4183 | 188 | MACHINE_END |