[PATCH-V4 1/4] ARM: OMAP3+: am33xx: Add voltage domain data

[Vaibhav Hiremath]

Currently dummy voltage domain data is being created
in order to succeed boot process, nothing has been done
w.r.t actual hardware (voltage control).

Also, hook up the AM33XX voltage domain to OMAP framework.

Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Signed-off-by: Afzal Mohammed <afzal at ti.com>
Cc: Benoit Cousson <b-cousson at ti.com>
Cc: Tony Lindgren <tony at atomide.com>
Cc: Kevin Hilman <khilman at ti.com>
Cc: Paul Walmsley <paul at pwsan.com>
Cc: Rajendra Nayak <rnayak at ti.com>
---
 arch/arm/mach-omap2/Makefile                  |    2 +
 arch/arm/mach-omap2/io.c                      |    1 +
 arch/arm/mach-omap2/voltage.h                 |    1 +
 arch/arm/mach-omap2/voltagedomains33xx_data.c |   43 +++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-omap2/voltagedomains33xx_data.c

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 74ae499..8d90f9f 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -99,6 +99,8 @@ obj-$(CONFIG_ARCH_OMAP2)		+= $(voltagedomain-common) \
 					   voltagedomains2xxx_data.o
 obj-$(CONFIG_ARCH_OMAP3)		+= $(voltagedomain-common) \
 					   voltagedomains3xxx_data.o
+obj-$(CONFIG_SOC_OMAPAM33XX)		+= $(voltagedomain-common) \
+					   voltagedomains33xx_data.o
 obj-$(CONFIG_ARCH_OMAP4)		+= $(voltagedomain-common) \
 					   voltagedomains44xx_data.o

diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 51d4df8..523fb6d 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -466,6 +466,7 @@ void __init am33xx_init_early(void)
 {
 	omap2_set_globals_am33xx();
 	omap_common_init_early();
+	am33xx_voltagedomains_init();
 	omap3xxx_clk_init();
 }
 #endif
diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h
index 16a1b09..a7c43c1 100644
--- a/arch/arm/mach-omap2/voltage.h
+++ b/arch/arm/mach-omap2/voltage.h
@@ -156,6 +156,7 @@ int omap_voltage_late_init(void);

 extern void omap2xxx_voltagedomains_init(void);
 extern void omap3xxx_voltagedomains_init(void);
+extern void am33xx_voltagedomains_init(void);
 extern void omap44xx_voltagedomains_init(void);

 struct voltagedomain *voltdm_lookup(const char *name);
diff --git a/arch/arm/mach-omap2/voltagedomains33xx_data.c b/arch/arm/mach-omap2/voltagedomains33xx_data.c
new file mode 100644
index 0000000..965458d
--- /dev/null
+++ b/arch/arm/mach-omap2/voltagedomains33xx_data.c
@@ -0,0 +1,43 @@
+/*
+ * AM33XX voltage domain data
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; 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/init.h>
+
+#include "voltage.h"
+
+static struct voltagedomain am33xx_voltdm_mpu = {
+	.name		= "mpu",
+};
+
+static struct voltagedomain am33xx_voltdm_core = {
+	.name		= "core",
+};
+
+static struct voltagedomain am33xx_voltdm_rtc = {
+	.name		= "rtc",
+};
+
+static struct voltagedomain *voltagedomains_am33xx[] __initdata = {
+	&am33xx_voltdm_mpu,
+	&am33xx_voltdm_core,
+	&am33xx_voltdm_rtc,
+	NULL,
+};
+
+void __init am33xx_voltagedomains_init(void)
+{
+	voltdm_init(voltagedomains_am33xx);
+}
--
1.7.0.4