redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

ARM: Kirkwood: Add setup file for netxbig LEDs

Browse source 
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: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1401132591-26305-2-git-send-email-andrew@lunn.ch
Tested-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Andrew Lunn 2014-05-26 21:29:48 +02:00 committed by Jason Cooper
parent adb1d99384
commit 55fc830232
5 changed files with 207 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
arch/arm/mach-mvebu/Kconfig
View file

@ -97,6 +97,13 @@ config MACH_KIRKWOOD
Say 'Y' here if you want your kernel to support boards based Say 'Y' here if you want your kernel to support boards based
on the Marvell Kirkwood device tree. 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 endmenu
endif endif

1
arch/arm/mach-mvebu/Makefile
View file

@ -14,3 +14,4 @@ endif
obj-$(CONFIG_MACH_DOVE) += dove.o obj-$(CONFIG_MACH_DOVE) += dove.o
obj-$(CONFIG_MACH_KIRKWOOD) += kirkwood.o kirkwood-pm.o obj-$(CONFIG_MACH_KIRKWOOD) += kirkwood.o kirkwood-pm.o
obj-$(CONFIG_MACH_NETXBIG) += netxbig.o

5
arch/arm/mach-mvebu/board.h
View file

@ -13,4 +13,9 @@
#ifndef __ARCH_MVEBU_BOARD_H #ifndef __ARCH_MVEBU_BOARD_H
#define __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 #endif

3
arch/arm/mach-mvebu/kirkwood.c
View file

@ -180,6 +180,9 @@ static void __init kirkwood_dt_init(void)
kirkwood_pm_init(); kirkwood_pm_init();
kirkwood_dt_eth_fixup(); kirkwood_dt_eth_fixup();
if (of_machine_is_compatible("lacie,netxbig"))
netxbig_init();
of_platform_populate(NULL, of_default_bus_match_table, auxdata, NULL); of_platform_populate(NULL, of_default_bus_match_table, auxdata, NULL);
} }

191
arch/arm/mach-mvebu/netxbig.c Normal file
View file

@ -0,0 +1,191 @@
/*
* 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);
}