1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * System Specific setup for Traverse Technologies GEOS. 4 * At the moment this means setup of GPIO control of LEDs. 5 * 6 * Copyright (C) 2008 Constantin Baranov <const@mimas.ru> 7 * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com> 8 * and Philip Prindeville <philipp@redfish-solutions.com> 9 * 10 * TODO: There are large similarities with leds-net5501.c 11 * by Alessandro Zummo <a.zummo@towertech.it> 12 * In the future leds-net5501.c should be migrated over to platform 13 */ 14 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/io.h> 18 #include <linux/string.h> 19 #include <linux/dmi.h> 20 21 #include <asm/geode.h> 22 23 #include "geode-common.h" 24 25 static const struct geode_led geos_leds[] __initconst = { 26 { 6, true }, 27 { 25, false }, 28 { 27, false }, 29 }; 30 31 static void __init register_geos(void) 32 { 33 geode_create_restart_key(3); 34 geode_create_leds("geos", geos_leds, ARRAY_SIZE(geos_leds)); 35 } 36 37 static int __init geos_init(void) 38 { 39 const char *vendor, *product; 40 41 if (!is_geode()) 42 return 0; 43 44 vendor = dmi_get_system_info(DMI_SYS_VENDOR); 45 if (!vendor || strcmp(vendor, "Traverse Technologies")) 46 return 0; 47 48 product = dmi_get_system_info(DMI_PRODUCT_NAME); 49 if (!product || strcmp(product, "Geos")) 50 return 0; 51 52 printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n", 53 KBUILD_MODNAME, vendor, product); 54 55 register_geos(); 56 57 return 0; 58 } 59 device_initcall(geos_init); 60