From e86169fffedc2f461be6f70817ae5ab201c12fd5 Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Mon, 1 Oct 2007 19:45:05 +0900 Subject: [PATCH] [MIPS] Cobalt: Add Cobalt Raq LED platform register and power off trigger Signed-off-by: Yoichi Yuasa Signed-off-by: Ralf Baechle --- arch/mips/cobalt/Makefile | 2 +- arch/mips/cobalt/led.c | 56 +++++++++++++++++++++++++++++++++++++++ arch/mips/cobalt/reset.c | 22 +++++++++------ 3 files changed, 71 insertions(+), 9 deletions(-) create mode 100644 arch/mips/cobalt/led.c diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile index a043f93f7d08..6b83f4ddc8fc 100644 --- a/arch/mips/cobalt/Makefile +++ b/arch/mips/cobalt/Makefile @@ -2,7 +2,7 @@ # Makefile for the Cobalt micro systems family specific parts of the kernel # -obj-y := buttons.o irq.o reset.o rtc.o serial.o setup.o +obj-y := buttons.o irq.o led.o reset.o rtc.o serial.o setup.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_EARLY_PRINTK) += console.o diff --git a/arch/mips/cobalt/led.c b/arch/mips/cobalt/led.c new file mode 100644 index 000000000000..8150af3abb8e --- /dev/null +++ b/arch/mips/cobalt/led.c @@ -0,0 +1,56 @@ +/* + * Registration of Cobalt LED platform device. + * + * Copyright (C) 2007 Yoichi Yuasa + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include +#include +#include +#include + +static struct resource cobalt_led_resource __initdata = { + .start = 0x1c000000, + .end = 0x1c000000, + .flags = IORESOURCE_MEM, +}; + +static __init int cobalt_led_add(void) +{ + struct platform_device *pdev; + int retval; + + pdev = platform_device_alloc("cobalt-raq-leds", -1); + + if (!pdev) + return -ENOMEM; + + retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1); + if (retval) + goto err_free_device; + + retval = platform_device_add(pdev); + if (retval) + goto err_free_device; + + return 0; + +err_free_device: + platform_device_put(pdev); + + return retval; +} +device_initcall(cobalt_led_add); diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c index 43cca21fdbc0..f503a0d04b3b 100644 --- a/arch/mips/cobalt/reset.c +++ b/arch/mips/cobalt/reset.c @@ -8,31 +8,37 @@ * Copyright (C) 1995, 1996, 1997 by Ralf Baechle * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv) */ +#include #include - -#include -#include +#include #include +DEFINE_LED_TRIGGER(power_off_led_trigger); + +static int __init ledtrig_power_off_init(void) +{ + led_trigger_register_simple("power-off", &power_off_led_trigger); + return 0; +} +device_initcall(ledtrig_power_off_init); + void cobalt_machine_halt(void) { int state, last, diff; unsigned long mark; /* - * turn off bar on Qube, flash power off LED on RaQ (0.5Hz) + * turn on power off LED on RaQ * * restart if ENTER and SELECT are pressed */ last = COBALT_KEY_PORT; - for (state = 0;;) { - - state ^= COBALT_LED_POWER_OFF; - COBALT_LED_PORT = state; + led_trigger_event(power_off_led_trigger, LED_FULL); + for (state = 0;;) { diff = COBALT_KEY_PORT ^ last; last ^= diff; -- 2.20.1