omap: opp: add OMAP3 OPP table data and common init

[pandora-kernel.git] / arch / arm / mach-omap2 / opp3xxx_data.c

diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c
new file mode 100644 (file)
index 0000000..0486fce
--- /dev/null
+++ b/arch/arm/mach-omap2/opp3xxx_data.c
@@ -0,0 +1,107 @@
+/*
+ * OMAP3 OPP table definitions.
+ *
+ * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
+ *     Nishanth Menon
+ *     Kevin Hilman
+ * 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 omap34xx_opp_def_list[] = {
+       /* MPU OPP1 */
+       OPP_INITIALIZER("mpu", true, 125000000, 975000),
+       /* MPU OPP2 */
+       OPP_INITIALIZER("mpu", true, 250000000, 1075000),
+       /* MPU OPP3 */
+       OPP_INITIALIZER("mpu", true, 500000000, 1200000),
+       /* MPU OPP4 */
+       OPP_INITIALIZER("mpu", true, 550000000, 1270000),
+       /* MPU OPP5 */
+       OPP_INITIALIZER("mpu", true, 600000000, 1350000),
+
+       /*
+        * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
+        * almost the same than the one at 83MHz thus providing very little
+        * gain for the power point of view. In term of energy it will even
+        * increase the consumption due to the very negative performance
+        * impact that frequency will do to the MPU and the whole system in
+        * general.
+        */
+       OPP_INITIALIZER("l3_main", false, 41500000, 975000),
+       /* L3 OPP2 */
+       OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
+       /* L3 OPP3 */
+       OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
+
+       /* DSP OPP1 */
+       OPP_INITIALIZER("iva", true, 90000000, 975000),
+       /* DSP OPP2 */
+       OPP_INITIALIZER("iva", true, 180000000, 1075000),
+       /* DSP OPP3 */
+       OPP_INITIALIZER("iva", true, 360000000, 1200000),
+       /* DSP OPP4 */
+       OPP_INITIALIZER("iva", true, 400000000, 1270000),
+       /* DSP OPP5 */
+       OPP_INITIALIZER("iva", true, 430000000, 1350000),
+};
+
+static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
+       /* MPU OPP1 - OPP50 */
+       OPP_INITIALIZER("mpu", true,  300000000, 1012500),
+       /* MPU OPP2 - OPP100 */
+       OPP_INITIALIZER("mpu", true,  600000000, 1200000),
+       /* MPU OPP3 - OPP-Turbo */
+       OPP_INITIALIZER("mpu", false, 800000000, 1325000),
+       /* MPU OPP4 - OPP-SB */
+       OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
+
+       /* L3 OPP1 - OPP50 */
+       OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
+       /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
+       OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
+
+       /* DSP OPP1 - OPP50 */
+       OPP_INITIALIZER("iva", true,  260000000, 1012500),
+       /* DSP OPP2 - OPP100 */
+       OPP_INITIALIZER("iva", true,  520000000, 1200000),
+       /* DSP OPP3 - OPP-Turbo */
+       OPP_INITIALIZER("iva", false, 660000000, 1325000),
+       /* DSP OPP4 - OPP-SB */
+       OPP_INITIALIZER("iva", false, 800000000, 1375000),
+};
+
+/**
+ * omap3_opp_init() - initialize omap3 opp table
+ */
+static int __init omap3_opp_init(void)
+{
+       int r = -ENODEV;
+
+       if (!cpu_is_omap34xx())
+               return r;
+
+       if (cpu_is_omap3630())
+               r = omap_init_opp_table(omap36xx_opp_def_list,
+                       ARRAY_SIZE(omap36xx_opp_def_list));
+       else
+               r = omap_init_opp_table(omap34xx_opp_def_list,
+                       ARRAY_SIZE(omap34xx_opp_def_list));
+
+       return r;
+}
+device_initcall(omap3_opp_init);