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-rw-r--r--arch/arm/mach-mx3/pcm037_eet.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/pcm037_eet.c b/arch/arm/mach-mx3/pcm037_eet.c
new file mode 100644
index 000000000000..fe52fb1bb8b7
--- /dev/null
+++ b/arch/arm/mach-mx3/pcm037_eet.c
@@ -0,0 +1,204 @@
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 /* SPI #1 */
28 MX31_PIN_CSPI1_MISO__MISO,
29 MX31_PIN_CSPI1_MOSI__MOSI,
30 MX31_PIN_CSPI1_SCLK__SCLK,
31 MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
32 MX31_PIN_CSPI1_SS0__SS0,
33 MX31_PIN_CSPI1_SS1__SS1,
34 MX31_PIN_CSPI1_SS2__SS2,
35
36 /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */
37 IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO),
38 /* GPIO keys */
39 IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), /* 0 */
40 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /* 1 */
41 IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO), /* 2 */
42 IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* 3 */
43 IOMUX_MODE(MX31_PIN_SVEN0, IOMUX_CONFIG_GPIO), /* 32 */
44 IOMUX_MODE(MX31_PIN_STX0, IOMUX_CONFIG_GPIO), /* 33 */
45 IOMUX_MODE(MX31_PIN_SRX0, IOMUX_CONFIG_GPIO), /* 34 */
46 IOMUX_MODE(MX31_PIN_SIMPD0, IOMUX_CONFIG_GPIO), /* 35 */
47 IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO), /* 38 */
48 IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_GPIO), /* 39 */
49 IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_GPIO), /* 50 */
50 IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_GPIO), /* 51 */
51 IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_GPIO), /* 52 */
52 IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_GPIO), /* 53 */
53
54 /* LEDs */
55 IOMUX_MODE(MX31_PIN_DTR_DTE1, IOMUX_CONFIG_GPIO), /* 44 */
56 IOMUX_MODE(MX31_PIN_DSR_DTE1, IOMUX_CONFIG_GPIO), /* 45 */
57 IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_GPIO), /* 55 */
58 IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_GPIO), /* 56 */
59};
60
61/* SPI */
62static struct spi_board_info pcm037_spi_dev[] = {
63 {
64 .modalias = "dac124s085",
65 .max_speed_hz = 400000,
66 .bus_num = 0,
67 .chip_select = 0, /* Index in pcm037_spi1_cs[] */
68 .mode = SPI_CPHA,
69 },
70};
71
72/* Platform Data for MXC CSPI */
73#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
74static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
75
76struct spi_imx_master pcm037_spi1_master = {
77 .chipselect = pcm037_spi1_cs,
78 .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
79};
80#endif
81
82/* GPIO-keys input device */
83static struct gpio_keys_button pcm037_gpio_keys[] = {
84 {
85 .type = EV_KEY,
86 .code = KEY_L,
87 .gpio = 0,
88 .desc = "Wheel Manual",
89 .wakeup = 0,
90 }, {
91 .type = EV_KEY,
92 .code = KEY_A,
93 .gpio = 1,
94 .desc = "Wheel AF",
95 .wakeup = 0,
96 }, {
97 .type = EV_KEY,
98 .code = KEY_V,
99 .gpio = 2,
100 .desc = "Wheel View",
101 .wakeup = 0,
102 }, {
103 .type = EV_KEY,
104 .code = KEY_M,
105 .gpio = 3,
106 .desc = "Wheel Menu",
107 .wakeup = 0,
108 }, {
109 .type = EV_KEY,
110 .code = KEY_UP,
111 .gpio = 32,
112 .desc = "Nav Pad Up",
113 .wakeup = 0,
114 }, {
115 .type = EV_KEY,
116 .code = KEY_RIGHT,
117 .gpio = 33,
118 .desc = "Nav Pad Right",
119 .wakeup = 0,
120 }, {
121 .type = EV_KEY,
122 .code = KEY_DOWN,
123 .gpio = 34,
124 .desc = "Nav Pad Down",
125 .wakeup = 0,
126 }, {
127 .type = EV_KEY,
128 .code = KEY_LEFT,
129 .gpio = 35,
130 .desc = "Nav Pad Left",
131 .wakeup = 0,
132 }, {
133 .type = EV_KEY,
134 .code = KEY_ENTER,
135 .gpio = 38,
136 .desc = "Nav Pad Ok",
137 .wakeup = 0,
138 }, {
139 .type = EV_KEY,
140 .code = KEY_O,
141 .gpio = 39,
142 .desc = "Wheel Off",
143 .wakeup = 0,
144 }, {
145 .type = EV_KEY,
146 .code = BTN_FORWARD,
147 .gpio = 50,
148 .desc = "Focus Forward",
149 .wakeup = 0,
150 }, {
151 .type = EV_KEY,
152 .code = BTN_BACK,
153 .gpio = 51,
154 .desc = "Focus Backward",
155 .wakeup = 0,
156 }, {
157 .type = EV_KEY,
158 .code = BTN_MIDDLE,
159 .gpio = 52,
160 .desc = "Release Half",
161 .wakeup = 0,
162 }, {
163 .type = EV_KEY,
164 .code = BTN_EXTRA,
165 .gpio = 53,
166 .desc = "Release Full",
167 .wakeup = 0,
168 },
169};
170
171static struct gpio_keys_platform_data pcm037_gpio_keys_platform_data = {
172 .buttons = pcm037_gpio_keys,
173 .nbuttons = ARRAY_SIZE(pcm037_gpio_keys),
174 .rep = 0, /* No auto-repeat */
175};
176
177static struct platform_device pcm037_gpio_keys_device = {
178 .name = "gpio-keys",
179 .id = -1,
180 .dev = {
181 .platform_data = &pcm037_gpio_keys_platform_data,
182 },
183};
184
185static int eet_init_devices(void)
186{
187 if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
188 return 0;
189
190 mxc_iomux_setup_multiple_pins(pcm037_eet_pins,
191 ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet");
192
193 /* SPI */
194 spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev));
195#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
196 mxc_register_device(&mxc_spi_device0, &pcm037_spi1_master);
197#endif
198
199 platform_device_register(&pcm037_gpio_keys_device);
200
201 return 0;
202}
203
204late_initcall(eet_init_devices);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 00:25:27 -0500