[v5,2/3] omap4: opp: add OPP table data

Commit Message

Nishanth Menon Dec. 9, 2010, 3:13 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 102a7df..f85188d 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -46,6 +46,8 @@  config ARCH_OMAP4
 	select ARM_GIC
 	select PL310_ERRATA_588369
 	select ARM_ERRATA_720789
+	select ARCH_HAS_OPP
+	select PM_OPP if PM
 
 comment "OMAP Core Type"
 	depends on ARCH_OMAP2
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index fbbb6b3..ea217f5 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -51,6 +51,7 @@  obj-$(CONFIG_ARCH_OMAP2)		+= sdrc2xxx.o
 ifeq ($(CONFIG_PM_OPP),y)
 obj-y					+= opp.o
 obj-$(CONFIG_ARCH_OMAP3)		+= opp3xxx_data.o
+obj-$(CONFIG_ARCH_OMAP4)		+= opp4xxx_data.o
 endif
 
 # Power Management
diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c
new file mode 100644
index 0000000..a11fa56
--- /dev/null
+++ b/arch/arm/mach-omap2/opp4xxx_data.c
@@ -0,0 +1,57 @@ 
+/*
+ * OMAP4 OPP table definitions.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *	Nishanth Menon
+ *	Kevin Hilman
+ *	Thara Gopinath
+ * Copyright (C) 2010 Nokia Corporation.
+ *      Eduardo Valentin
+ *
+ * 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.
+ *
+ * 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/module.h>
+
+#include <plat/cpu.h>
+
+#include "omap_opp_data.h"
+
+static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
+	/* MPU OPP1 - OPP50 */
+	OPP_INITIALIZER("mpu", true, 300000000, 1100000),
+	/* MPU OPP2 - OPP100 */
+	OPP_INITIALIZER("mpu", true, 600000000, 1200000),
+	/* MPU OPP3 - OPP-Turbo */
+	OPP_INITIALIZER("mpu", false, 800000000, 1260000),
+	/* MPU OPP4 - OPP-SB */
+	OPP_INITIALIZER("mpu", false, 1008000000, 1350000),
+	/* L3 OPP1 - OPP50 */
+	OPP_INITIALIZER("l3_main_1", true, 100000000, 930000),
+	/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
+	OPP_INITIALIZER("l3_main_1", true, 200000000, 1100000),
+	/* TODO: add IVA, DSP, aess, fdif, gpu */
+};
+
+/**
+ * omap4_opp_init() - initialize omap4 opp table
+ */
+static int __init omap4_opp_init(void)
+{
+	int r = -ENODEV;
+
+	if (!cpu_is_omap44xx())
+		return r;
+
+	r = omap_init_opp_table(omap44xx_opp_def_list,
+			ARRAY_SIZE(omap44xx_opp_def_list));
+
+	return r;
+}
+device_initcall(omap4_opp_init);
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 2031f15..a43e069 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -22,11 +22,16 @@  extern int omap3_idle_init(void);
 
 #if defined(CONFIG_PM_OPP)
 extern int omap3_opp_init(void);
+extern int omap4_opp_init(void);
 #else
 static inline int omap3_opp_init(void)
 {
 	return -EINVAL;
 }
+static inline int omap4_opp_init(void)
+{
+	return -EINVAL;
+}
 #endif
 
 struct cpuidle_params {