From fae67ad431146d2584dd813cbc198400a477aa53 Mon Sep 17 00:00:00 2001
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Fri, 6 Jun 2014 14:35:50 -0700
Subject: arch/mips/dec: switch DECstation systems to rtc-cmos
This adds an RTC platform device for DECstation systems so that they can
use the rtc-cmos driver for their RTC device.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/mips/dec/Makefile | 2 +-
arch/mips/dec/platform.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 45 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/dec/platform.c
diff --git a/arch/mips/dec/Makefile b/arch/mips/dec/Makefile
index 3d5d2c56de8d..bd74e05c90b0 100644
--- a/arch/mips/dec/Makefile
+++ b/arch/mips/dec/Makefile
@@ -3,7 +3,7 @@
#
obj-y := ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \
- kn02-irq.o kn02xa-berr.o reset.o setup.o time.o
+ kn02-irq.o kn02xa-berr.o platform.o reset.o setup.o time.o
obj-$(CONFIG_TC) += tc.o
obj-$(CONFIG_CPU_HAS_WB) += wbflush.o
diff --git a/arch/mips/dec/platform.c b/arch/mips/dec/platform.c
new file mode 100644
index 000000000000..c7ac86af847a
--- /dev/null
+++ b/arch/mips/dec/platform.c
@@ -0,0 +1,44 @@
+/*
+ * DEC platform devices.
+ *
+ * Copyright (c) 2014 Maciej W. Rozycki
+ *
+ * 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.
+ */
+
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+
+static struct resource dec_rtc_resources[] = {
+ {
+ .name = "rtc",
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct cmos_rtc_board_info dec_rtc_info = {
+ .flags = CMOS_RTC_FLAGS_NOFREQ,
+ .address_space = 64,
+};
+
+static struct platform_device dec_rtc_device = {
+ .name = "rtc_cmos",
+ .id = PLATFORM_DEVID_NONE,
+ .dev.platform_data = &dec_rtc_info,
+ .resource = dec_rtc_resources,
+ .num_resources = ARRAY_SIZE(dec_rtc_resources),
+};
+
+static int __init dec_add_devices(void)
+{
+ dec_rtc_resources[0].start = RTC_PORT(0);
+ dec_rtc_resources[0].end = RTC_PORT(0) + dec_kn_slot_size - 1;
+ return platform_device_register(&dec_rtc_device);
+}
+
+device_initcall(dec_add_devices);
--
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