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Diffstat (limited to 'arch/arm/mach-mxs/mach-mx23evk.c')
-rw-r--r--arch/arm/mach-mxs/mach-mx23evk.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
new file mode 100644
index 00000000000..3c2de33803a
--- /dev/null
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -0,0 +1,187 @@
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>
18#include <linux/irq.h>
19
20#include <asm/mach-types.h>
21#include <asm/mach/arch.h>
22#include <asm/mach/time.h>
23
24#include <mach/common.h>
25#include <mach/iomux-mx23.h>
26
27#include "devices-mx23.h"
28
29#define MX23EVK_LCD_ENABLE MXS_GPIO_NR(1, 18)
30#define MX23EVK_BL_ENABLE MXS_GPIO_NR(1, 28)
31#define MX23EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30)
32#define MX23EVK_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29)
33
34static const iomux_cfg_t mx23evk_pads[] __initconst = {
35 /* duart */
36 MX23_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
37 MX23_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
38
39 /* auart */
40 MX23_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL,
41 MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,
42 MX23_PAD_AUART1_CTS__AUART1_CTS | MXS_PAD_CTRL,
43 MX23_PAD_AUART1_RTS__AUART1_RTS | MXS_PAD_CTRL,
44
45 /* mxsfb (lcdif) */
46 MX23_PAD_LCD_D00__LCD_D00 | MXS_PAD_CTRL,
47 MX23_PAD_LCD_D01__LCD_D01 | MXS_PAD_CTRL,
48 MX23_PAD_LCD_D02__LCD_D02 | MXS_PAD_CTRL,
49 MX23_PAD_LCD_D03__LCD_D03 | MXS_PAD_CTRL,
50 MX23_PAD_LCD_D04__LCD_D04 | MXS_PAD_CTRL,
51 MX23_PAD_LCD_D05__LCD_D05 | MXS_PAD_CTRL,
52 MX23_PAD_LCD_D06__LCD_D06 | MXS_PAD_CTRL,
53 MX23_PAD_LCD_D07__LCD_D07 | MXS_PAD_CTRL,
54 MX23_PAD_LCD_D08__LCD_D08 | MXS_PAD_CTRL,
55 MX23_PAD_LCD_D09__LCD_D09 | MXS_PAD_CTRL,
56 MX23_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
57 MX23_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
58 MX23_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
59 MX23_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
60 MX23_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
61 MX23_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
62 MX23_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
63 MX23_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
64 MX23_PAD_GPMI_D08__LCD_D18 | MXS_PAD_CTRL,
65 MX23_PAD_GPMI_D09__LCD_D19 | MXS_PAD_CTRL,
66 MX23_PAD_GPMI_D10__LCD_D20 | MXS_PAD_CTRL,
67 MX23_PAD_GPMI_D11__LCD_D21 | MXS_PAD_CTRL,
68 MX23_PAD_GPMI_D12__LCD_D22 | MXS_PAD_CTRL,
69 MX23_PAD_GPMI_D13__LCD_D23 | MXS_PAD_CTRL,
70 MX23_PAD_LCD_VSYNC__LCD_VSYNC | MXS_PAD_CTRL,
71 MX23_PAD_LCD_HSYNC__LCD_HSYNC | MXS_PAD_CTRL,
72 MX23_PAD_LCD_DOTCK__LCD_DOTCK | MXS_PAD_CTRL,
73 MX23_PAD_LCD_ENABLE__LCD_ENABLE | MXS_PAD_CTRL,
74 /* LCD panel enable */
75 MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,
76 /* backlight control */
77 MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,
78
79 /* mmc */
80 MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
81 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
82 MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
83 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
84 MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
85 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
86 MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
87 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
88 MX23_PAD_GPMI_D08__SSP1_DATA4 |
89 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
90 MX23_PAD_GPMI_D09__SSP1_DATA5 |
91 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
92 MX23_PAD_GPMI_D10__SSP1_DATA6 |
93 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
94 MX23_PAD_GPMI_D11__SSP1_DATA7 |
95 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
96 MX23_PAD_SSP1_CMD__SSP1_CMD |
97 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
98 MX23_PAD_SSP1_DETECT__SSP1_DETECT |
99 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
100 MX23_PAD_SSP1_SCK__SSP1_SCK |
101 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
102 /* write protect */
103 MX23_PAD_PWM4__GPIO_1_30 |
104 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
105 /* slot power enable */
106 MX23_PAD_PWM3__GPIO_1_29 |
107 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
108};
109
110/* mxsfb (lcdif) */
111static struct fb_videomode mx23evk_video_modes[] = {
112 {
113 .name = "Samsung-LMS430HF02",
114 .refresh = 60,
115 .xres = 480,
116 .yres = 272,
117 .pixclock = 108096, /* picosecond (9.2 MHz) */
118 .left_margin = 15,
119 .right_margin = 8,
120 .upper_margin = 12,
121 .lower_margin = 4,
122 .hsync_len = 1,
123 .vsync_len = 1,
124 .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
125 FB_SYNC_DOTCLK_FAILING_ACT,
126 },
127};
128
129static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = {
130 .mode_list = mx23evk_video_modes,
131 .mode_count = ARRAY_SIZE(mx23evk_video_modes),
132 .default_bpp = 32,
133 .ld_intf_width = STMLCDIF_24BIT,
134};
135
136static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = {
137 .wp_gpio = MX23EVK_MMC0_WRITE_PROTECT,
138 .flags = SLOTF_8_BIT_CAPABLE,
139};
140
141static void __init mx23evk_init(void)
142{
143 int ret;
144
145 mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
146
147 mx23_add_duart();
148 mx23_add_auart0();
149
150 /* power on mmc slot by writing 0 to the gpio */
151 ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
152 "mmc0-slot-power");
153 if (ret)
154 pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
155 mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);
156
157 ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
158 if (ret)
159 pr_warn("failed to request gpio lcd-enable: %d\n", ret);
160 else
161 gpio_set_value(MX23EVK_LCD_ENABLE, 1);
162
163 ret = gpio_request_one(MX23EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
164 if (ret)
165 pr_warn("failed to request gpio bl-enable: %d\n", ret);
166 else
167 gpio_set_value(MX23EVK_BL_ENABLE, 1);
168
169 mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
170}
171
172static void __init mx23evk_timer_init(void)
173{
174 mx23_clocks_init();
175}
176
177static struct sys_timer mx23evk_timer = {
178 .init = mx23evk_timer_init,
179};
180
181MACHINE_START(MX23EVK, "Freescale MX23 EVK")
182 /* Maintainer: Freescale Semiconductor, Inc. */
183 .map_io = mx23_map_io,
184 .init_irq = mx23_init_irq,
185 .init_machine = mx23evk_init,
186 .timer = &mx23evk_timer,
187MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-06 20:03:51 -0400