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Commit ae6cdb03 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Bryan Wu
Browse files

leds: leds-mc13783: Add MC13892 LED support 



Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Tested-by: default avatarPhilippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: default avatarBryan Wu <cooloney@gmail.com>
parent 9d263813

drivers/leds/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -388,12 +388,12 @@ config LEDS_DELL_NETBOOKS 
	  notebooks that have an external LED.



config LEDS_MC13783

	tristate "LED Support for MC13783 PMIC"

	tristate "LED Support for MC13XXX PMIC"

	depends on LEDS_CLASS

	depends on MFD_MC13783

	depends on MFD_MC13XXX

	help

	  This option enable support for on-chip LED drivers found

	  on Freescale Semiconductor MC13783 PMIC.

	  on Freescale Semiconductor MC13783/MC13892 PMIC.



config LEDS_NS2

	tristate "LED support for Network Space v2 GPIO LEDs"

drivers/leds/leds-mc13783.c

+59 −1
Original line number Diff line number Diff line 
/*

 * LEDs driver for Freescale MC13783

 * LEDs driver for Freescale MC13783/MC13892

 *

 * Copyright (C) 2010 Philippe Rétornaz

 *
@@ -85,6 +85,34 @@ static void mc13xxx_led_work(struct work_struct *work) 
		value = led->new_brightness >> 3;

		mask = 0x1f;

		break;

	case MC13892_LED_MD:

		reg = MC13XXX_REG_LED_CONTROL(0);

		shift = 3;

		mask = 0x3f;

		value = led->new_brightness >> 2;

		break;

	case MC13892_LED_AD:

		reg = MC13XXX_REG_LED_CONTROL(0);

		shift = 15;

		mask = 0x3f;

		value = led->new_brightness >> 2;

		break;

	case MC13892_LED_KP:

		reg = MC13XXX_REG_LED_CONTROL(1);

		shift = 3;

		mask = 0x3f;

		value = led->new_brightness >> 2;

		break;

	case MC13892_LED_R:

	case MC13892_LED_G:

	case MC13892_LED_B:

		off = led->id - MC13892_LED_R;

		bank = off / 2;

		reg = MC13XXX_REG_LED_CONTROL(2) + bank;

		shift = (off - bank * 2) * 12 + 3;

		value = led->new_brightness >> 2;

		mask = 0x3f;

		break;

	default:

		BUG();

	}
@@ -138,6 +166,29 @@ static int __init mc13xxx_led_setup(struct mc13xxx_led *led, int max_current) 
		shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;

		mask = 0x03;

		break;

	case MC13892_LED_MD:

		reg = MC13XXX_REG_LED_CONTROL(0);

		shift = 9;

		mask = 0x07;

		break;

	case MC13892_LED_AD:

		reg = MC13XXX_REG_LED_CONTROL(0);

		shift = 21;

		mask = 0x07;

		break;

	case MC13892_LED_KP:

		reg = MC13XXX_REG_LED_CONTROL(1);

		shift = 9;

		mask = 0x07;

		break;

	case MC13892_LED_R:

	case MC13892_LED_G:

	case MC13892_LED_B:

		bank = (led->id - MC13892_LED_R) / 2;

		reg = MC13XXX_REG_LED_CONTROL(2) + bank;

		shift = ((led->id - MC13892_LED_R) - bank * 2) * 12 + 9;

		mask = 0x07;

		break;

	default:

		BUG();

	}
@@ -276,8 +327,15 @@ static const struct mc13xxx_led_devtype mc13783_led_devtype = { 
	.num_regs	= 6,

};



static const struct mc13xxx_led_devtype mc13892_led_devtype = {

	.led_min	= MC13892_LED_MD,

	.led_max	= MC13892_LED_B,

	.num_regs	= 4,

};



static const struct platform_device_id mc13xxx_led_id_table[] = {

	{ "mc13783-led", (kernel_ulong_t)&mc13783_led_devtype, },

	{ "mc13892-led", (kernel_ulong_t)&mc13892_led_devtype, },

	{ }

};

MODULE_DEVICE_TABLE(platform, mc13xxx_led_id_table);

include/linux/mfd/mc13xxx.h

+7 −0
Original line number Diff line number Diff line
@@ -92,6 +92,13 @@ enum { 
	MC13783_LED_R3,

	MC13783_LED_G3,

	MC13783_LED_B3,

	/* MC13892 LED IDs */

	MC13892_LED_MD,

	MC13892_LED_AD,

	MC13892_LED_KP,

	MC13892_LED_R,

	MC13892_LED_G,

	MC13892_LED_B,

};



struct mc13xxx_led_platform_data {