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Commit 59b23ead authored by Russell King's avatar Russell King
Browse files

ARM: sa1100/assabet: switch to using gpio leds 



Switch over to using gpio leds now that we have the gpio driver for
the assabet board register in place.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 17c7f4f7

arch/arm/mach-sa1100/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ config SA1100_ASSABET 
	bool "Assabet"

	select ARM_SA1110_CPUFREQ

	select GPIO_REG

	select LEDS_GPIO_REGISTER

	select REGULATOR

	select REGULATOR_FIXED_VOLTAGE

	help

arch/arm/mach-sa1100/assabet.c

+27 −86
Original line number Diff line number Diff line
@@ -102,7 +102,7 @@ static int __init assabet_init_gpio(void __iomem *reg, u32 def_val) 


	assabet_bcr_gc = gc;



	return 0;

	return gc->base;

}



/*
@@ -480,6 +480,25 @@ static struct gpiod_lookup_table assabet_cf_vcc_gpio_table = { 
	},

};



static struct gpio_led assabet_leds[] __initdata = {

	{

		.name = "assabet:red",

		.default_trigger = "cpu0",

		.active_low = 1,

		.default_state = LEDS_GPIO_DEFSTATE_KEEP,

	}, {

		.name = "assabet:green",

		.default_trigger = "heartbeat",

		.active_low = 1,

		.default_state = LEDS_GPIO_DEFSTATE_KEEP,

	},

};



static const struct gpio_led_platform_data assabet_leds_pdata __initconst = {

	.num_leds = ARRAY_SIZE(assabet_leds),

	.leds = assabet_leds,

};



static struct gpio_keys_button assabet_keys_buttons[] = {

	{

		.gpio = 0,
@@ -563,6 +582,8 @@ static void __init assabet_init(void) 
					  &assabet_keys_pdata,

					  sizeof(assabet_keys_pdata));



	gpio_led_register_device(-1, &assabet_leds_pdata);



#ifndef ASSABET_PAL_VIDEO

	sa11x0_register_lcd(&lq039q2ds54_info);

#else
@@ -756,92 +777,9 @@ static void __init assabet_map_io(void) 
	sa1100_register_uart(2, 3);

}



/* LEDs */

#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)

struct assabet_led {

	struct led_classdev cdev;

	u32 mask;

};



/*

 * The triggers lines up below will only be used if the

 * LED triggers are compiled in.

 */

static const struct {

	const char *name;

	const char *trigger;

} assabet_leds[] = {

	{ "assabet:red", "cpu0",},

	{ "assabet:green", "heartbeat", },

};



/*

 * The LED control in Assabet is reversed:

 *  - setting bit means turn off LED

 *  - clearing bit means turn on LED

 */

static void assabet_led_set(struct led_classdev *cdev,

		enum led_brightness b)

{

	struct assabet_led *led = container_of(cdev,

			struct assabet_led, cdev);



	if (b != LED_OFF)

		ASSABET_BCR_clear(led->mask);

	else

		ASSABET_BCR_set(led->mask);

}



static enum led_brightness assabet_led_get(struct led_classdev *cdev)

{

	struct assabet_led *led = container_of(cdev,

			struct assabet_led, cdev);



	return (ASSABET_BCR & led->mask) ? LED_OFF : LED_FULL;

}



static int __init assabet_leds_init(void)

{

	int i;



	if (!machine_is_assabet())

		return -ENODEV;



	for (i = 0; i < ARRAY_SIZE(assabet_leds); i++) {

		struct assabet_led *led;



		led = kzalloc(sizeof(*led), GFP_KERNEL);

		if (!led)

			break;



		led->cdev.name = assabet_leds[i].name;

		led->cdev.brightness_set = assabet_led_set;

		led->cdev.brightness_get = assabet_led_get;

		led->cdev.default_trigger = assabet_leds[i].trigger;



		if (!i)

			led->mask = ASSABET_BCR_LED_RED;

		else

			led->mask = ASSABET_BCR_LED_GREEN;



		if (led_classdev_register(NULL, &led->cdev) < 0) {

			kfree(led);

			break;

		}

	}



	return 0;

}



/*

 * Since we may have triggers on any subsystem, defer registration

 * until after subsystem_init.

 */

fs_initcall(assabet_leds_init);

#endif



void __init assabet_init_irq(void)

{

	unsigned int assabet_gpio_base;

	u32 def_val;



	sa1100_init_irq();
@@ -856,7 +794,10 @@ void __init assabet_init_irq(void) 
	 *

	 * This must precede any driver calls to BCR_set() or BCR_clear().

	 */

	assabet_init_gpio((void *)&ASSABET_BCR, def_val);

	assabet_gpio_base = assabet_init_gpio((void *)&ASSABET_BCR, def_val);



	assabet_leds[0].gpio = assabet_gpio_base + 13;

	assabet_leds[1].gpio = assabet_gpio_base + 14;

}



MACHINE_START(ASSABET, "Intel-Assabet")