3 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
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.
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>
15 #include <mach/common.h>
16 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
19 #include <mach/iomux-mx3.h>
21 #include <asm/mach-types.h>
26 static unsigned int pcm037_eet_pins[] = {
27 /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */
28 IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO),
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 */
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 */
53 static struct spi_board_info pcm037_spi_dev[] = {
55 .modalias = "dac124s085",
56 .max_speed_hz = 400000,
58 .chip_select = 0, /* Index in pcm037_spi1_cs[] */
63 /* Platform Data for MXC CSPI */
64 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
65 static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
67 struct spi_imx_master pcm037_spi1_master = {
68 .chipselect = pcm037_spi1_cs,
69 .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
73 /* GPIO-keys input device */
74 static struct gpio_keys_button pcm037_gpio_keys[] = {
79 .desc = "Wheel Manual",
103 .desc = "Nav Pad Up",
109 .desc = "Nav Pad Right",
115 .desc = "Nav Pad Down",
121 .desc = "Nav Pad Left",
127 .desc = "Nav Pad Ok",
139 .desc = "Focus Forward",
145 .desc = "Focus Backward",
151 .desc = "Release Half",
157 .desc = "Release Full",
162 static 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 */
168 static struct platform_device pcm037_gpio_keys_device = {
172 .platform_data = &pcm037_gpio_keys_platform_data,
176 static int eet_init_devices(void)
178 if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
181 mxc_iomux_setup_multiple_pins(pcm037_eet_pins,
182 ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet");
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);
190 platform_device_register(&pcm037_gpio_keys_device);
195 late_initcall(eet_init_devices);