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Commit 55fc8302 authored by Andrew Lunn's avatar Andrew Lunn Committed by Jason Cooper
Browse files

ARM: Kirkwood: Add setup file for netxbig LEDs 



There is currently no DT binding for the CPLD which controls the LEDs
on the Net 2Big and Net 5Big. So use a platform device.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1401132591-26305-2-git-send-email-andrew@lunn.ch


Tested-by: default avatarSimon Guinot <simon.guinot@sequanux.org>
Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent adb1d993

arch/arm/mach-mvebu/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -97,6 +97,13 @@ config MACH_KIRKWOOD 
	  Say 'Y' here if you want your kernel to support boards based

	  on the Marvell Kirkwood device tree.



config MACH_NETXBIG

	bool "LaCie 2Big and 5Big Network v2"

	depends on MACH_KIRKWOOD

	help

	  Say 'Y' here if you want your kernel to support the

	  LaCie 2Big and 5Big Network v2



endmenu



endif

arch/arm/mach-mvebu/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -14,3 +14,4 @@ endif 


obj-$(CONFIG_MACH_DOVE)		 += dove.o

obj-$(CONFIG_MACH_KIRKWOOD)	 += kirkwood.o kirkwood-pm.o

obj-$(CONFIG_MACH_NETXBIG)	 += netxbig.o

arch/arm/mach-mvebu/board.h

+5 −0
Original line number Diff line number Diff line
@@ -13,4 +13,9 @@ 
#ifndef __ARCH_MVEBU_BOARD_H

#define __ARCH_MVEBU_BOARD_H



#ifdef CONFIG_MACH_NETXBIG

void netxbig_init(void);

#else

static inline void netxbig_init(void) {};

#endif

#endif

arch/arm/mach-mvebu/kirkwood.c

+3 −0
Original line number Diff line number Diff line
@@ -180,6 +180,9 @@ static void __init kirkwood_dt_init(void) 
	kirkwood_pm_init();

	kirkwood_dt_eth_fixup();



	if (of_machine_is_compatible("lacie,netxbig"))

		netxbig_init();



	of_platform_populate(NULL, of_default_bus_match_table, auxdata, NULL);

}

arch/arm/mach-mvebu/netxbig.c

0 → 100644
+191 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-mvbu/board-netxbig.c

 *

 * LaCie 2Big and 5Big Network v2 board setup

 *

 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#include <linux/kernel.h>

#include <linux/of.h>

#include <linux/platform_device.h>

#include <linux/platform_data/leds-kirkwood-netxbig.h>

#include "common.h"



/*****************************************************************************

 * GPIO extension LEDs

 ****************************************************************************/



/*

 * The LEDs are controlled by a CPLD and can be configured through a GPIO

 * extension bus:

 *

 * - address register : bit [0-2] -> GPIO [47-49]

 * - data register    : bit [0-2] -> GPIO [44-46]

 * - enable register  : GPIO 29

 */



static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };

static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };



static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {

	.addr		= netxbig_v2_gpio_ext_addr,

	.num_addr	= ARRAY_SIZE(netxbig_v2_gpio_ext_addr),

	.data		= netxbig_v2_gpio_ext_data,

	.num_data	= ARRAY_SIZE(netxbig_v2_gpio_ext_data),

	.enable		= 29,

};



/*

 * Address register selection:

 *

 * addr | register

 * ----------------------------

 *   0  | front LED

 *   1  | front LED brightness

 *   2  | SATA LED brightness

 *   3  | SATA0 LED

 *   4  | SATA1 LED

 *   5  | SATA2 LED

 *   6  | SATA3 LED

 *   7  | SATA4 LED

 *

 * Data register configuration:

 *

 * data | LED brightness

 * -------------------------------------------------

 *   0  | min (off)

 *   -  | -

 *   7  | max

 *

 * data | front LED mode

 * -------------------------------------------------

 *   0  | fix off

 *   1  | fix blue on

 *   2  | fix red on

 *   3  | blink blue on=1 sec and blue off=1 sec

 *   4  | blink red on=1 sec and red off=1 sec

 *   5  | blink blue on=2.5 sec and red on=0.5 sec

 *   6  | blink blue on=1 sec and red on=1 sec

 *   7  | blink blue on=0.5 sec and blue off=2.5 sec

 *

 * data | SATA LED mode

 * -------------------------------------------------

 *   0  | fix off

 *   1  | SATA activity blink

 *   2  | fix red on

 *   3  | blink blue on=1 sec and blue off=1 sec

 *   4  | blink red on=1 sec and red off=1 sec

 *   5  | blink blue on=2.5 sec and red on=0.5 sec

 *   6  | blink blue on=1 sec and red on=1 sec

 *   7  | fix blue on

 */



static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {

	[NETXBIG_LED_OFF]	= 0,

	[NETXBIG_LED_ON]	= 2,

	[NETXBIG_LED_SATA]	= NETXBIG_LED_INVALID_MODE,

	[NETXBIG_LED_TIMER1]	= 4,

	[NETXBIG_LED_TIMER2]	= NETXBIG_LED_INVALID_MODE,

};



static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {

	[NETXBIG_LED_OFF]	= 0,

	[NETXBIG_LED_ON]	= 1,

	[NETXBIG_LED_SATA]	= NETXBIG_LED_INVALID_MODE,

	[NETXBIG_LED_TIMER1]	= 3,

	[NETXBIG_LED_TIMER2]	= 7,

};



static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {

	[NETXBIG_LED_OFF]	= 0,

	[NETXBIG_LED_ON]	= 7,

	[NETXBIG_LED_SATA]	= 1,

	[NETXBIG_LED_TIMER1]	= 3,

	[NETXBIG_LED_TIMER2]	= NETXBIG_LED_INVALID_MODE,

};



static struct netxbig_led_timer netxbig_v2_led_timer[] = {

	[0] = {

		.delay_on	= 500,

		.delay_off	= 500,

		.mode		= NETXBIG_LED_TIMER1,

	},

	[1] = {

		.delay_on	= 500,

		.delay_off	= 1000,

		.mode		= NETXBIG_LED_TIMER2,

	},

};



#define NETXBIG_LED(_name, maddr, mval, baddr)			\

	{ .name		= _name,				\

	  .mode_addr	= maddr,				\

	  .mode_val	= mval,					\

	  .bright_addr	= baddr }



static struct netxbig_led net2big_v2_leds_ctrl[] = {

	NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),

	NETXBIG_LED("net2big-v2:red:power",  0, netxbig_v2_red_mled,       1),

	NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net2big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),

	NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net2big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),

};



static struct netxbig_led_platform_data net2big_v2_leds_data = {

	.gpio_ext	= &netxbig_v2_gpio_ext,

	.timer		= netxbig_v2_led_timer,

	.num_timer	= ARRAY_SIZE(netxbig_v2_led_timer),

	.leds		= net2big_v2_leds_ctrl,

	.num_leds	= ARRAY_SIZE(net2big_v2_leds_ctrl),

};



static struct netxbig_led net5big_v2_leds_ctrl[] = {

	NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),

	NETXBIG_LED("net5big-v2:red:power",  0, netxbig_v2_red_mled,       1),

	NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net5big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),

	NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net5big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),

	NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net5big-v2:red:sata2",  5, netxbig_v2_red_mled,       2),

	NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net5big-v2:red:sata3",  6, netxbig_v2_red_mled,       2),

	NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),

	NETXBIG_LED("net5big-v2:red:sata4",  7, netxbig_v2_red_mled,       2),

};



static struct netxbig_led_platform_data net5big_v2_leds_data = {

	.gpio_ext	= &netxbig_v2_gpio_ext,

	.timer		= netxbig_v2_led_timer,

	.num_timer	= ARRAY_SIZE(netxbig_v2_led_timer),

	.leds		= net5big_v2_leds_ctrl,

	.num_leds	= ARRAY_SIZE(net5big_v2_leds_ctrl),

};



static struct platform_device netxbig_v2_leds = {

	.name		= "leds-netxbig",

	.id		= -1,

	.dev		= {

		.platform_data	= &net2big_v2_leds_data,

	},

};



void __init netxbig_init(void)

{



	if (of_machine_is_compatible("lacie,net5big_v2"))

		netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;

	platform_device_register(&netxbig_v2_leds);

}