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55fc830232
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>
191 lines
6 KiB
C
191 lines
6 KiB
C
/*
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* arch/arm/mach-mvbu/board-netxbig.c
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*
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* LaCie 2Big and 5Big Network v2 board setup
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*
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* Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/platform_data/leds-kirkwood-netxbig.h>
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#include "common.h"
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/*****************************************************************************
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* GPIO extension LEDs
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****************************************************************************/
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/*
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* The LEDs are controlled by a CPLD and can be configured through a GPIO
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* extension bus:
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*
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* - address register : bit [0-2] -> GPIO [47-49]
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* - data register : bit [0-2] -> GPIO [44-46]
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* - enable register : GPIO 29
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*/
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static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
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static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
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static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
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.addr = netxbig_v2_gpio_ext_addr,
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.num_addr = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
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.data = netxbig_v2_gpio_ext_data,
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.num_data = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
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.enable = 29,
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};
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/*
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* Address register selection:
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*
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* addr | register
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* ----------------------------
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* 0 | front LED
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* 1 | front LED brightness
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* 2 | SATA LED brightness
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* 3 | SATA0 LED
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* 4 | SATA1 LED
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* 5 | SATA2 LED
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* 6 | SATA3 LED
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* 7 | SATA4 LED
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*
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* Data register configuration:
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*
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* data | LED brightness
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* -------------------------------------------------
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* 0 | min (off)
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* - | -
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* 7 | max
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*
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* data | front LED mode
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* -------------------------------------------------
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* 0 | fix off
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* 1 | fix blue on
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* 2 | fix red on
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* 3 | blink blue on=1 sec and blue off=1 sec
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* 4 | blink red on=1 sec and red off=1 sec
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* 5 | blink blue on=2.5 sec and red on=0.5 sec
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* 6 | blink blue on=1 sec and red on=1 sec
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* 7 | blink blue on=0.5 sec and blue off=2.5 sec
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*
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* data | SATA LED mode
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* -------------------------------------------------
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* 0 | fix off
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* 1 | SATA activity blink
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* 2 | fix red on
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* 3 | blink blue on=1 sec and blue off=1 sec
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* 4 | blink red on=1 sec and red off=1 sec
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* 5 | blink blue on=2.5 sec and red on=0.5 sec
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* 6 | blink blue on=1 sec and red on=1 sec
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* 7 | fix blue on
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*/
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static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
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[NETXBIG_LED_OFF] = 0,
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[NETXBIG_LED_ON] = 2,
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[NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
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[NETXBIG_LED_TIMER1] = 4,
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[NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
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};
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static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
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[NETXBIG_LED_OFF] = 0,
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[NETXBIG_LED_ON] = 1,
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[NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
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[NETXBIG_LED_TIMER1] = 3,
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[NETXBIG_LED_TIMER2] = 7,
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};
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static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
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[NETXBIG_LED_OFF] = 0,
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[NETXBIG_LED_ON] = 7,
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[NETXBIG_LED_SATA] = 1,
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[NETXBIG_LED_TIMER1] = 3,
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[NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
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};
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static struct netxbig_led_timer netxbig_v2_led_timer[] = {
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[0] = {
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.delay_on = 500,
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.delay_off = 500,
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.mode = NETXBIG_LED_TIMER1,
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},
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[1] = {
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.delay_on = 500,
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.delay_off = 1000,
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.mode = NETXBIG_LED_TIMER2,
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},
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};
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#define NETXBIG_LED(_name, maddr, mval, baddr) \
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{ .name = _name, \
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.mode_addr = maddr, \
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.mode_val = mval, \
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.bright_addr = baddr }
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static struct netxbig_led net2big_v2_leds_ctrl[] = {
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NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
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NETXBIG_LED("net2big-v2:red:power", 0, netxbig_v2_red_mled, 1),
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NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net2big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
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NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net2big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
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};
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static struct netxbig_led_platform_data net2big_v2_leds_data = {
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.gpio_ext = &netxbig_v2_gpio_ext,
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.timer = netxbig_v2_led_timer,
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.num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
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.leds = net2big_v2_leds_ctrl,
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.num_leds = ARRAY_SIZE(net2big_v2_leds_ctrl),
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};
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static struct netxbig_led net5big_v2_leds_ctrl[] = {
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NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
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NETXBIG_LED("net5big-v2:red:power", 0, netxbig_v2_red_mled, 1),
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NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net5big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
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NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net5big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
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NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net5big-v2:red:sata2", 5, netxbig_v2_red_mled, 2),
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NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net5big-v2:red:sata3", 6, netxbig_v2_red_mled, 2),
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NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
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NETXBIG_LED("net5big-v2:red:sata4", 7, netxbig_v2_red_mled, 2),
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};
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static struct netxbig_led_platform_data net5big_v2_leds_data = {
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.gpio_ext = &netxbig_v2_gpio_ext,
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.timer = netxbig_v2_led_timer,
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.num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
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.leds = net5big_v2_leds_ctrl,
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.num_leds = ARRAY_SIZE(net5big_v2_leds_ctrl),
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};
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static struct platform_device netxbig_v2_leds = {
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.name = "leds-netxbig",
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.id = -1,
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.dev = {
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.platform_data = &net2big_v2_leds_data,
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},
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};
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void __init netxbig_init(void)
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{
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if (of_machine_is_compatible("lacie,net5big_v2"))
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netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
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platform_device_register(&netxbig_v2_leds);
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}
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