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Diffstat (limited to 'kernel/arch/arm/mach-imx/mach-pcm037_eet.c')
-rw-r--r--kernel/arch/arm/mach-imx/mach-pcm037_eet.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/mach-pcm037_eet.c b/kernel/arch/arm/mach-imx/mach-pcm037_eet.c
new file mode 100644
index 000000000..8fd825506
--- /dev/null
+++ b/kernel/arch/arm/mach-imx/mach-pcm037_eet.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2009
+ * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+
+#include <asm/mach-types.h>
+
+#include "pcm037.h"
+#include "common.h"
+#include "devices-imx31.h"
+#include "iomux-mx3.h"
+
+static unsigned int pcm037_eet_pins[] = {
+ /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */
+ IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO),
+ /* GPIO keys */
+ IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), /* 0 */
+ IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /* 1 */
+ IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO), /* 2 */
+ IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* 3 */
+ IOMUX_MODE(MX31_PIN_SVEN0, IOMUX_CONFIG_GPIO), /* 32 */
+ IOMUX_MODE(MX31_PIN_STX0, IOMUX_CONFIG_GPIO), /* 33 */
+ IOMUX_MODE(MX31_PIN_SRX0, IOMUX_CONFIG_GPIO), /* 34 */
+ IOMUX_MODE(MX31_PIN_SIMPD0, IOMUX_CONFIG_GPIO), /* 35 */
+ IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO), /* 38 */
+ IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_GPIO), /* 39 */
+ IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_GPIO), /* 50 */
+ IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_GPIO), /* 51 */
+ IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_GPIO), /* 52 */
+ IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_GPIO), /* 53 */
+
+ /* LEDs */
+ IOMUX_MODE(MX31_PIN_DTR_DTE1, IOMUX_CONFIG_GPIO), /* 44 */
+ IOMUX_MODE(MX31_PIN_DSR_DTE1, IOMUX_CONFIG_GPIO), /* 45 */
+ IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_GPIO), /* 55 */
+ IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_GPIO), /* 56 */
+};
+
+/* SPI */
+static struct spi_board_info pcm037_spi_dev[] = {
+ {
+ .modalias = "dac124s085",
+ .max_speed_hz = 400000,
+ .bus_num = 0,
+ .chip_select = 0, /* Index in pcm037_spi1_cs[] */
+ .mode = SPI_CPHA,
+ },
+};
+
+/* Platform Data for MXC CSPI */
+static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
+
+static const struct spi_imx_master pcm037_spi1_pdata __initconst = {
+ .chipselect = pcm037_spi1_cs,
+ .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
+};
+
+/* GPIO-keys input device */
+static struct gpio_keys_button pcm037_gpio_keys[] = {
+ {
+ .type = EV_KEY,
+ .code = KEY_L,
+ .gpio = 0,
+ .desc = "Wheel Manual",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_A,
+ .gpio = 1,
+ .desc = "Wheel AF",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_V,
+ .gpio = 2,
+ .desc = "Wheel View",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_M,
+ .gpio = 3,
+ .desc = "Wheel Menu",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_UP,
+ .gpio = 32,
+ .desc = "Nav Pad Up",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_RIGHT,
+ .gpio = 33,
+ .desc = "Nav Pad Right",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_DOWN,
+ .gpio = 34,
+ .desc = "Nav Pad Down",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_LEFT,
+ .gpio = 35,
+ .desc = "Nav Pad Left",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_ENTER,
+ .gpio = 38,
+ .desc = "Nav Pad Ok",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = KEY_O,
+ .gpio = 39,
+ .desc = "Wheel Off",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = BTN_FORWARD,
+ .gpio = 50,
+ .desc = "Focus Forward",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = BTN_BACK,
+ .gpio = 51,
+ .desc = "Focus Backward",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = BTN_MIDDLE,
+ .gpio = 52,
+ .desc = "Release Half",
+ .wakeup = 0,
+ }, {
+ .type = EV_KEY,
+ .code = BTN_EXTRA,
+ .gpio = 53,
+ .desc = "Release Full",
+ .wakeup = 0,
+ },
+};
+
+static const struct gpio_keys_platform_data
+ pcm037_gpio_keys_platform_data __initconst = {
+ .buttons = pcm037_gpio_keys,
+ .nbuttons = ARRAY_SIZE(pcm037_gpio_keys),
+ .rep = 0, /* No auto-repeat */
+};
+
+int __init pcm037_eet_init_devices(void)
+{
+ if (pcm037_variant() != PCM037_EET)
+ return 0;
+
+ mxc_iomux_setup_multiple_pins(pcm037_eet_pins,
+ ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet");
+
+ /* SPI */
+ spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev));
+ imx31_add_spi_imx0(&pcm037_spi1_pdata);
+
+ imx_add_gpio_keys(&pcm037_gpio_keys_platform_data);
+
+ return 0;
+}