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Diffstat (limited to 'arch/arm/mach-mx3/mach-pcm037_eet.c')
-rw-r--r--arch/arm/mach-mx3/mach-pcm037_eet.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mach-pcm037_eet.c b/arch/arm/mach-mx3/mach-pcm037_eet.c
new file mode 100644
index 000000000000..8d386000fc40
--- /dev/null
+++ b/arch/arm/mach-mx3/mach-pcm037_eet.c
@@ -0,0 +1,195 @@
1/*
2 * Copyright (C) 2009
3 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9#include <linux/gpio.h>
10#include <linux/gpio_keys.h>
11#include <linux/input.h>
12#include <linux/platform_device.h>
13#include <linux/spi/spi.h>
14
15#include <mach/common.h>
16#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
17#include <mach/spi.h>
18#endif
19#include <mach/iomux-mx3.h>
20
21#include <asm/mach-types.h>
22
23#include "pcm037.h"
24#include "devices.h"
25
26static unsigned int pcm037_eet_pins[] = {
27 /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */
28 IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO),
29 /* GPIO keys */
30 IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), /* 0 */
31 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /* 1 */
32 IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO), /* 2 */
33 IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* 3 */
34 IOMUX_MODE(MX31_PIN_SVEN0, IOMUX_CONFIG_GPIO), /* 32 */
35 IOMUX_MODE(MX31_PIN_STX0, IOMUX_CONFIG_GPIO), /* 33 */
36 IOMUX_MODE(MX31_PIN_SRX0, IOMUX_CONFIG_GPIO), /* 34 */
37 IOMUX_MODE(MX31_PIN_SIMPD0, IOMUX_CONFIG_GPIO), /* 35 */
38 IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO), /* 38 */
39 IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_GPIO), /* 39 */
40 IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_GPIO), /* 50 */
41 IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_GPIO), /* 51 */
42 IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_GPIO), /* 52 */
43 IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_GPIO), /* 53 */
44
45 /* LEDs */
46 IOMUX_MODE(MX31_PIN_DTR_DTE1, IOMUX_CONFIG_GPIO), /* 44 */
47 IOMUX_MODE(MX31_PIN_DSR_DTE1, IOMUX_CONFIG_GPIO), /* 45 */
48 IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_GPIO), /* 55 */
49 IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_GPIO), /* 56 */
50};
51
52/* SPI */
53static struct spi_board_info pcm037_spi_dev[] = {
54 {
55 .modalias = "dac124s085",
56 .max_speed_hz = 400000,
57 .bus_num = 0,
58 .chip_select = 0, /* Index in pcm037_spi1_cs[] */
59 .mode = SPI_CPHA,
60 },
61};
62
63/* Platform Data for MXC CSPI */
64#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
65static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
66
67struct spi_imx_master pcm037_spi1_master = {
68 .chipselect = pcm037_spi1_cs,
69 .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
70};
71#endif
72
73/* GPIO-keys input device */
74static struct gpio_keys_button pcm037_gpio_keys[] = {
75 {
76 .type = EV_KEY,
77 .code = KEY_L,
78 .gpio = 0,
79 .desc = "Wheel Manual",
80 .wakeup = 0,
81 }, {
82 .type = EV_KEY,
83 .code = KEY_A,
84 .gpio = 1,
85 .desc = "Wheel AF",
86 .wakeup = 0,
87 }, {
88 .type = EV_KEY,
89 .code = KEY_V,
90 .gpio = 2,
91 .desc = "Wheel View",
92 .wakeup = 0,
93 }, {
94 .type = EV_KEY,
95 .code = KEY_M,
96 .gpio = 3,
97 .desc = "Wheel Menu",
98 .wakeup = 0,
99 }, {
100 .type = EV_KEY,
101 .code = KEY_UP,
102 .gpio = 32,
103 .desc = "Nav Pad Up",
104 .wakeup = 0,
105 }, {
106 .type = EV_KEY,
107 .code = KEY_RIGHT,
108 .gpio = 33,
109 .desc = "Nav Pad Right",
110 .wakeup = 0,
111 }, {
112 .type = EV_KEY,
113 .code = KEY_DOWN,
114 .gpio = 34,
115 .desc = "Nav Pad Down",
116 .wakeup = 0,
117 }, {
118 .type = EV_KEY,
119 .code = KEY_LEFT,
120 .gpio = 35,
121 .desc = "Nav Pad Left",
122 .wakeup = 0,
123 }, {
124 .type = EV_KEY,
125 .code = KEY_ENTER,
126 .gpio = 38,
127 .desc = "Nav Pad Ok",
128 .wakeup = 0,
129 }, {
130 .type = EV_KEY,
131 .code = KEY_O,
132 .gpio = 39,
133 .desc = "Wheel Off",
134 .wakeup = 0,
135 }, {
136 .type = EV_KEY,
137 .code = BTN_FORWARD,
138 .gpio = 50,
139 .desc = "Focus Forward",
140 .wakeup = 0,
141 }, {
142 .type = EV_KEY,
143 .code = BTN_BACK,
144 .gpio = 51,
145 .desc = "Focus Backward",
146 .wakeup = 0,
147 }, {
148 .type = EV_KEY,
149 .code = BTN_MIDDLE,
150 .gpio = 52,
151 .desc = "Release Half",
152 .wakeup = 0,
153 }, {
154 .type = EV_KEY,
155 .code = BTN_EXTRA,
156 .gpio = 53,
157 .desc = "Release Full",
158 .wakeup = 0,
159 },
160};
161
162static struct gpio_keys_platform_data pcm037_gpio_keys_platform_data = {
163 .buttons = pcm037_gpio_keys,
164 .nbuttons = ARRAY_SIZE(pcm037_gpio_keys),
165 .rep = 0, /* No auto-repeat */
166};
167
168static struct platform_device pcm037_gpio_keys_device = {
169 .name = "gpio-keys",
170 .id = -1,
171 .dev = {
172 .platform_data = &pcm037_gpio_keys_platform_data,
173 },
174};
175
176static int eet_init_devices(void)
177{
178 if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
179 return 0;
180
181 mxc_iomux_setup_multiple_pins(pcm037_eet_pins,
182 ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet");
183
184 /* SPI */
185 spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev));
186#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
187 mxc_register_device(&mxc_spi_device0, &pcm037_spi1_master);
188#endif
189
190 platform_device_register(&pcm037_gpio_keys_device);
191
192 return 0;
193}
194
195late_initcall(eet_init_devices);
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-27 20:06:41 -0500