ux500 - add platform data for Nomadik SKE keypad controller
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 0e8fd13..5265fb9 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -18,12 +18,14 @@
#include <linux/amba/pl022.h>
#include <linux/spi/spi.h>
#include <linux/mfd/ab8500.h>
+#include <linux/input/matrix_keypad.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <plat/pincfg.h>
#include <plat/i2c.h>
+#include <plat/ske.h>
#include <mach/hardware.h>
#include <mach/setup.h>
@@ -47,6 +49,24 @@
GPIO11_I2C2_SCL,
GPIO229_I2C3_SDA,
GPIO230_I2C3_SCL,
+
+ /* SKE keypad */
+ GPIO153_KP_I7,
+ GPIO154_KP_I6,
+ GPIO155_KP_I5,
+ GPIO156_KP_I4,
+ GPIO157_KP_O7,
+ GPIO158_KP_O6,
+ GPIO159_KP_O5,
+ GPIO160_KP_O4,
+ GPIO161_KP_I3,
+ GPIO162_KP_I2,
+ GPIO163_KP_I1,
+ GPIO164_KP_I0,
+ GPIO165_KP_O3,
+ GPIO166_KP_O2,
+ GPIO167_KP_O1,
+ GPIO168_KP_O0,
};
static void ab4500_spi_cs_control(u32 command)
@@ -134,12 +154,120 @@
&u8500_ssp0_device,
};
+static const unsigned int ux500_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 ux500_keymap_data = {
+ .keymap = ux500_keymap,
+ .keymap_size = ARRAY_SIZE(ux500_keymap),
+};
+
+/*
+ * Nomadik SKE keypad
+ */
+#define ROW_PIN_I0 164
+#define ROW_PIN_I1 163
+#define ROW_PIN_I2 162
+#define ROW_PIN_I3 161
+#define ROW_PIN_I4 156
+#define ROW_PIN_I5 155
+#define ROW_PIN_I6 154
+#define ROW_PIN_I7 153
+#define COL_PIN_O0 168
+#define COL_PIN_O1 167
+#define COL_PIN_O2 166
+#define COL_PIN_O3 165
+#define COL_PIN_O4 160
+#define COL_PIN_O5 159
+#define COL_PIN_O6 158
+#define COL_PIN_O7 157
+
+#define SKE_KPD_MAX_ROWS 8
+#define SKE_KPD_MAX_COLS 8
+
+static int ske_kp_rows[] = {
+ ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
+ ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
+};
+
+/*
+ * ske_set_gpio_row: request and set gpio rows
+ */
+static int ske_set_gpio_row(int gpio)
+{
+ int ret;
+
+ ret = gpio_request(gpio, "ske-kp");
+ if (ret < 0) {
+ pr_err("ske_set_gpio_row: gpio request failed\n");
+ return ret;
+ }
+
+ ret = gpio_direction_output(gpio, 1);
+ if (ret < 0) {
+ pr_err("ske_set_gpio_row: gpio direction failed\n");
+ gpio_free(gpio);
+ }
+
+ return ret;
+}
+
+/*
+ * ske_kp_init - enable the gpio configuration
+ */
+static int ske_kp_init(void)
+{
+ int ret, i;
+
+ for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
+ ret = ske_set_gpio_row(ske_kp_rows[i]);
+ if (ret < 0) {
+ pr_err("ske_kp_init: failed init\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static struct ske_keypad_platform_data ske_keypad_board = {
+ .init = ske_kp_init,
+ .keymap_data = &ux500_keymap_data,
+ .no_autorepeat = true,
+ .krow = SKE_KPD_MAX_ROWS, /* 8x8 matrix */
+ .kcol = SKE_KPD_MAX_COLS,
+ .debounce_ms = 40, /* in millsecs */
+};
+
+
+
/* add any platform devices here - TODO */
static struct platform_device *platform_devs[] __initdata = {
&u8500_i2c0_device,
&ux500_i2c1_device,
&ux500_i2c2_device,
&ux500_i2c3_device,
+ &ux500_ske_keypad_device,
};
static void __init u8500_init_machine(void)
@@ -154,6 +282,7 @@
ux500_i2c1_device.dev.platform_data = &u8500_i2c1_data;
ux500_i2c2_device.dev.platform_data = &u8500_i2c2_data;
ux500_i2c3_device.dev.platform_data = &u8500_i2c3_data;
+ ux500_ske_keypad_device.dev.platform_data = &ske_keypad_board;
u8500_ssp0_device.dev.platform_data = &ssp0_platform_data;