1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include <linux/module.h> 4 #include <linux/platform_device.h> 5 #include <linux/gpio_keys.h> 6 #include <linux/input.h> 7 #include <linux/leds.h> 8 9 #include <asm/mach-types.h> 10 11 static struct gpio_keys_button csb701_buttons[] = { 12 { 13 .code = 0x7, 14 .gpio = 1, 15 .active_low = 1, 16 .desc = "SW2", 17 .type = EV_SW, 18 .wakeup = 1, 19 }, 20 }; 21 22 static struct gpio_keys_platform_data csb701_gpio_keys_data = { 23 .buttons = csb701_buttons, 24 .nbuttons = ARRAY_SIZE(csb701_buttons), 25 }; 26 27 static struct gpio_led csb701_leds[] = { 28 { 29 .name = "csb701:yellow:heartbeat", 30 .default_trigger = "heartbeat", 31 .gpio = 11, 32 .active_low = 1, 33 }, 34 }; 35 36 static struct platform_device csb701_gpio_keys = { 37 .name = "gpio-keys", 38 .id = -1, 39 .dev.platform_data = &csb701_gpio_keys_data, 40 }; 41 42 static struct gpio_led_platform_data csb701_leds_gpio_data = { 43 .leds = csb701_leds, 44 .num_leds = ARRAY_SIZE(csb701_leds), 45 }; 46 47 static struct platform_device csb701_leds_gpio = { 48 .name = "leds-gpio", 49 .id = -1, 50 .dev.platform_data = &csb701_leds_gpio_data, 51 }; 52 53 static struct platform_device *devices[] __initdata = { 54 &csb701_gpio_keys, 55 &csb701_leds_gpio, 56 }; 57 csb701_init(void)58 static int __init csb701_init(void) 59 { 60 if (!machine_is_csb726()) 61 return -ENODEV; 62 63 return platform_add_devices(devices, ARRAY_SIZE(devices)); 64 } 65 66 module_init(csb701_init); 67 68