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Diffstat (limited to 'arch/x86/platform/geode/alix.c')
-rw-r--r--arch/x86/platform/geode/alix.c96
1 files changed, 16 insertions, 80 deletions
diff --git a/arch/x86/platform/geode/alix.c b/arch/x86/platform/geode/alix.c
index 90e23e7679a5..be65cd704e21 100644
--- a/arch/x86/platform/geode/alix.c
+++ b/arch/x86/platform/geode/alix.c
@@ -1,9 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* System Specific setup for PCEngines ALIX.
* At the moment this means setup of GPIO control of LEDs
* on Alix.2/3/6 boards.
*
- *
* Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
* Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
* and Philip Prindeville <philipp@redfish-solutions.com>
@@ -11,102 +11,43 @@
* TODO: There are large similarities with leds-net5501.c
* by Alessandro Zummo <a.zummo@towertech.it>
* In the future leds-net5501.c should be migrated over to platform
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/leds.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
+#include <linux/moduleparam.h>
#include <linux/dmi.h>
#include <asm/geode.h>
+#include "geode-common.h"
+
#define BIOS_SIGNATURE_TINYBIOS 0xf0000
#define BIOS_SIGNATURE_COREBOOT 0x500
#define BIOS_REGION_SIZE 0x10000
+/*
+ * This driver is not modular, but to keep back compatibility
+ * with existing use cases, continuing with module_param is
+ * the easiest way forward.
+ */
static bool force = 0;
module_param(force, bool, 0444);
/* FIXME: Award bios is not automatically detected as Alix platform */
MODULE_PARM_DESC(force, "Force detection as ALIX.2/ALIX.3 platform");
-static struct gpio_keys_button alix_gpio_buttons[] = {
- {
- .code = KEY_RESTART,
- .gpio = 24,
- .active_low = 1,
- .desc = "Reset button",
- .type = EV_KEY,
- .wakeup = 0,
- .debounce_interval = 100,
- .can_disable = 0,
- }
-};
-static struct gpio_keys_platform_data alix_buttons_data = {
- .buttons = alix_gpio_buttons,
- .nbuttons = ARRAY_SIZE(alix_gpio_buttons),
- .poll_interval = 20,
-};
-
-static struct platform_device alix_buttons_dev = {
- .name = "gpio-keys-polled",
- .id = 1,
- .dev = {
- .platform_data = &alix_buttons_data,
- }
-};
-
-static struct gpio_led alix_leds[] = {
- {
- .name = "alix:1",
- .gpio = 6,
- .default_trigger = "default-on",
- .active_low = 1,
- },
- {
- .name = "alix:2",
- .gpio = 25,
- .default_trigger = "default-off",
- .active_low = 1,
- },
- {
- .name = "alix:3",
- .gpio = 27,
- .default_trigger = "default-off",
- .active_low = 1,
- },
-};
-
-static struct gpio_led_platform_data alix_leds_data = {
- .num_leds = ARRAY_SIZE(alix_leds),
- .leds = alix_leds,
-};
-
-static struct platform_device alix_leds_dev = {
- .name = "leds-gpio",
- .id = -1,
- .dev.platform_data = &alix_leds_data,
-};
-
-static struct __initdata platform_device *alix_devs[] = {
- &alix_buttons_dev,
- &alix_leds_dev,
+static const struct geode_led alix_leds[] __initconst = {
+ { 6, true },
+ { 25, false },
+ { 27, false },
};
static void __init register_alix(void)
{
- /* Setup LED control through leds-gpio driver */
- platform_add_devices(alix_devs, ARRAY_SIZE(alix_devs));
+ geode_create_restart_key(24);
+ geode_create_leds("alix", alix_leds, ARRAY_SIZE(alix_leds));
}
static bool __init alix_present(unsigned long bios_phys,
@@ -192,9 +133,4 @@ static int __init alix_init(void)
return 0;
}
-
-module_init(alix_init);
-
-MODULE_AUTHOR("Ed Wildgoose <kernel@wildgooses.com>");
-MODULE_DESCRIPTION("PCEngines ALIX System Setup");
-MODULE_LICENSE("GPL");
+device_initcall(alix_init);