Merge branch 'devicetree/for-x86' of git://git.secretlab.ca/git/linux-2.6 into x86/platform

Reason: x86 devicetree support for ce4100 depends on those device tree
	changes scheduled for .39.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/smartreflex-class3.c b/arch/arm/mach-omap2/smartreflex-class3.c
new file mode 100644
index 000000000000..60e70552b4c5
--- /dev/null
+++ b/arch/arm/mach-omap2/smartreflex-class3.c
@@ -0,0 +1,59 @@
+/*
+ * Smart reflex Class 3 specific implementations
+ *
+ * Author: Thara Gopinath       <thara@ti.com>
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Thara Gopinath <thara@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <plat/smartreflex.h>
+
+static int sr_class3_enable(struct voltagedomain *voltdm)
+{
+	unsigned long volt = omap_voltage_get_nom_volt(voltdm);
+
+	if (!volt) {
+		pr_warning("%s: Curr voltage unknown. Cannot enable sr_%s\n",
+				__func__, voltdm->name);
+		return -ENODATA;
+	}
+
+	omap_vp_enable(voltdm);
+	return sr_enable(voltdm, volt);
+}
+
+static int sr_class3_disable(struct voltagedomain *voltdm, int is_volt_reset)
+{
+	omap_vp_disable(voltdm);
+	sr_disable(voltdm);
+	if (is_volt_reset)
+		omap_voltage_reset(voltdm);
+
+	return 0;
+}
+
+static int sr_class3_configure(struct voltagedomain *voltdm)
+{
+	return sr_configure_errgen(voltdm);
+}
+
+/* SR class3 structure */
+static struct omap_sr_class_data class3_data = {
+	.enable = sr_class3_enable,
+	.disable = sr_class3_disable,
+	.configure = sr_class3_configure,
+	.class_type = SR_CLASS3,
+};
+
+/* Smartreflex Class3 init API to be called from board file */
+static int __init sr_class3_init(void)
+{
+	pr_info("SmartReflex Class3 initialized\n");
+	return sr_register_class(&class3_data);
+}
+late_initcall(sr_class3_init);