@@ -3,13 +3,194 @@
*
* License terms: GNU General Public License (GPL), version 2
*/
-
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/mfd/stmpe.h>
+#include <linux/input/bu21013.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/input/matrix_keypad.h>
#include "board-mop500.h"
-void __init mop500_stuib_init(void)
+/* STMPE/SKE keypad use this key layout */
+static const unsigned int mop500_keymap[] = {
+ KEY(2, 5, KEY_END),
+ KEY(4, 1, KEY_POWER),
+ KEY(3, 5, KEY_VOLUMEDOWN),
+ KEY(1, 3, KEY_3),
+ KEY(5, 2, KEY_RIGHT),
+ KEY(5, 0, KEY_9),
+
+ KEY(0, 5, KEY_MENU),
+ KEY(7, 6, KEY_ENTER),
+ KEY(4, 5, KEY_0),
+ KEY(6, 7, KEY_2),
+ KEY(3, 4, KEY_UP),
+ KEY(3, 3, KEY_DOWN),
+
+ KEY(6, 4, KEY_SEND),
+ KEY(6, 2, KEY_BACK),
+ KEY(4, 2, KEY_VOLUMEUP),
+ KEY(5, 5, KEY_1),
+ KEY(4, 3, KEY_LEFT),
+ KEY(3, 2, KEY_7),
+};
+
+static const struct matrix_keymap_data mop500_keymap_data = {
+ .keymap = mop500_keymap,
+ .keymap_size = ARRAY_SIZE(mop500_keymap),
+};
+/*
+ * STMPE1601
+ */
+static struct stmpe_keypad_platform_data stmpe1601_keypad_data = {
+ .debounce_ms = 64,
+ .scan_count = 8,
+ .no_autorepeat = true,
+ .keymap_data = &mop500_keymap_data,
+};
+
+static struct stmpe_platform_data stmpe1601_data = {
+ .id = 1,
+ .blocks = STMPE_BLOCK_KEYPAD,
+ .irq_trigger = IRQF_TRIGGER_FALLING,
+ .irq_base = MOP500_STMPE1601_IRQ(0),
+ .keypad = &stmpe1601_keypad_data,
+ .autosleep = true,
+ .autosleep_timeout = 1024,
+};
+
+static struct i2c_board_info __initdata mop500_i2c0_devices_stuib[] = {
+ {
+ I2C_BOARD_INFO("stmpe1601", 0x40),
+ .irq = NOMADIK_GPIO_TO_IRQ(218),
+ .platform_data = &stmpe1601_data,
+ .flags = I2C_CLIENT_WAKE,
+ },
+};
+
+/*
+ * BU21013 ROHM touchscreen interface on the STUIBs
+ */
+
+/* tracks number of bu21013 devices being enabled */
+static int bu21013_devices;
+
+#define TOUCH_GPIO_PIN 84
+
+#define TOUCH_XMAX 384
+#define TOUCH_YMAX 704
+
+#define PRCMU_CLOCK_OCR 0x1CC
+#define TSC_EXT_CLOCK_9_6MHZ 0x840000
+
+/**
+ * bu21013_gpio_board_init : configures the touch panel.
+ * @reset_pin: reset pin number
+ * This function can be used to configures
+ * the voltage and reset the touch panel controller.
+ */
+static int bu21013_gpio_board_init(int reset_pin)
+{
+ int retval = 0;
+
+ bu21013_devices++;
+ if (bu21013_devices == 1) {
+ retval = gpio_request(reset_pin, "touchp_reset");
+ if (retval) {
+ printk(KERN_ERR "Unable to request gpio reset_pin");
+ return retval;
+ }
+ retval = gpio_direction_output(reset_pin, 1);
+ if (retval < 0) {
+ printk(KERN_ERR "%s: gpio direction failed\n",
+ __func__);
+ return retval;
+ }
+ }
+
+ return retval;
+}
+
+/**
+ * bu21013_gpio_board_exit : deconfigures the touch panel controller
+ * @reset_pin: reset pin number
+ * This function can be used to deconfigures the chip selection
+ * for touch panel controller.
+ */
+static int bu21013_gpio_board_exit(int reset_pin)
{
+ int retval = 0;
+
+ if (bu21013_devices == 1) {
+ retval = gpio_direction_output(reset_pin, 0);
+ if (retval < 0) {
+ printk(KERN_ERR "%s: gpio direction failed\n",
+ __func__);
+ return retval;
+ }
+ gpio_set_value(reset_pin, 0);
+ }
+ bu21013_devices--;
+
+ return retval;
}
+/**
+ * bu21013_read_pin_val : get the interrupt pin value
+ * This function can be used to get the interrupt pin value for touch panel
+ * controller.
+ */
+static int bu21013_read_pin_val(void)
+{
+ return gpio_get_value(TOUCH_GPIO_PIN);
+}
+
+static struct bu21013_platform_device tsc_plat_device = {
+ .cs_en = bu21013_gpio_board_init,
+ .cs_dis = bu21013_gpio_board_exit,
+ .irq_read_val = bu21013_read_pin_val,
+ .irq = NOMADIK_GPIO_TO_IRQ(TOUCH_GPIO_PIN),
+ .cs_pin = GPIO_BU21013_CS,
+ .touch_x_max = TOUCH_XMAX,
+ .touch_y_max = TOUCH_YMAX,
+ .ext_clk = false,
+ .x_flip = false,
+ .y_flip = true,
+};
+
+static struct bu21013_platform_device tsc_plat2_device = {
+ .cs_en = bu21013_gpio_board_init,
+ .cs_dis = bu21013_gpio_board_exit,
+ .irq_read_val = bu21013_read_pin_val,
+ .irq = NOMADIK_GPIO_TO_IRQ(TOUCH_GPIO_PIN),
+ .cs_pin = GPIO_BU21013_CS,
+ .touch_x_max = TOUCH_XMAX,
+ .touch_y_max = TOUCH_YMAX,
+ .ext_clk = false,
+ .x_flip = false,
+ .y_flip = true,
+};
+
+static struct i2c_board_info __initdata u8500_i2c3_devices_stuib[] = {
+ {
+ I2C_BOARD_INFO("bu21013_tp", 0x5C),
+ .platform_data = &tsc_plat_device,
+ },
+ {
+ I2C_BOARD_INFO("bu21013_tp", 0x5D),
+ .platform_data = &tsc_plat2_device,
+ },
+
+};
+
+void __init mop500_stuib_init(void)
+{
+ mop500_uib_i2c_add(0, mop500_i2c0_devices_stuib,
+ ARRAY_SIZE(mop500_i2c0_devices_stuib));
+
+ mop500_uib_i2c_add(3, u8500_i2c3_devices_stuib,
+ ARRAY_SIZE(u8500_i2c3_devices_stuib));
+}@@ -7,6 +7,35 @@
*/
#define ARCH_NR_GPIOS 350
+#include <mach/irqs.h>
+
#include <plat/gpio.h>
+enum {
+ EGPIO_PIN_0 = NOMADIK_NR_GPIO,
+ EGPIO_PIN_1,
+ EGPIO_PIN_2,
+ EGPIO_PIN_3,
+ EGPIO_PIN_4,
+ EGPIO_PIN_5,
+ EGPIO_PIN_6,
+ EGPIO_PIN_7,
+ EGPIO_PIN_8,
+ EGPIO_PIN_9,
+ EGPIO_PIN_10,
+ EGPIO_PIN_11,
+ EGPIO_PIN_12,
+ EGPIO_PIN_13,
+ EGPIO_PIN_14,
+ EGPIO_PIN_15,
+ EGPIO_PIN_16,
+ EGPIO_PIN_17,
+ EGPIO_PIN_18,
+ EGPIO_PIN_19,
+ EGPIO_PIN_20,
+ EGPIO_PIN_21,
+ EGPIO_PIN_22,
+ EGPIO_PIN_23,
+};
+
#endif /* __ASM_ARCH_GPIO_H */