diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index fcb587f825cc..cac83a694880 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> @@ -49,6 +51,24 @@ static pin_cfg_t mop500_pins[] = { 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) @@ -148,12 +168,120 @@ static struct amba_device *amba_devs[] __initdata = { &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) @@ -168,6 +296,7 @@ static void __init u8500_init_machine(void) 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; |