forked from luck/tmp_suning_uos_patched
fd1478cd61
Add OPP data for OMAP34xx and OMAP36xx and initialization functions to populate OPP tables based on current SoC. introduce an OMAP generic opp initialization routine which OMAP3 and OMAP4+ SoCs can use to register their OPP definitions. Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
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* OMAP3 OPP table definitions.
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*
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* Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
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* Nishanth Menon
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* Kevin Hilman
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* Copyright (C) 2010 Nokia Corporation.
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* Eduardo Valentin
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <plat/cpu.h>
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#include "omap_opp_data.h"
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static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
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/* MPU OPP1 */
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OPP_INITIALIZER("mpu", true, 125000000, 975000),
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/* MPU OPP2 */
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OPP_INITIALIZER("mpu", true, 250000000, 1075000),
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/* MPU OPP3 */
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OPP_INITIALIZER("mpu", true, 500000000, 1200000),
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/* MPU OPP4 */
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OPP_INITIALIZER("mpu", true, 550000000, 1270000),
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/* MPU OPP5 */
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OPP_INITIALIZER("mpu", true, 600000000, 1350000),
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/*
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* L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
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* almost the same than the one at 83MHz thus providing very little
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* gain for the power point of view. In term of energy it will even
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* increase the consumption due to the very negative performance
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* impact that frequency will do to the MPU and the whole system in
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* general.
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*/
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OPP_INITIALIZER("l3_main", false, 41500000, 975000),
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/* L3 OPP2 */
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OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
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/* L3 OPP3 */
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OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
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/* DSP OPP1 */
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OPP_INITIALIZER("iva", true, 90000000, 975000),
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/* DSP OPP2 */
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OPP_INITIALIZER("iva", true, 180000000, 1075000),
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/* DSP OPP3 */
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OPP_INITIALIZER("iva", true, 360000000, 1200000),
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/* DSP OPP4 */
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OPP_INITIALIZER("iva", true, 400000000, 1270000),
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/* DSP OPP5 */
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OPP_INITIALIZER("iva", true, 430000000, 1350000),
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};
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static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
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/* MPU OPP1 - OPP50 */
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OPP_INITIALIZER("mpu", true, 300000000, 1012500),
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/* MPU OPP2 - OPP100 */
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OPP_INITIALIZER("mpu", true, 600000000, 1200000),
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/* MPU OPP3 - OPP-Turbo */
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OPP_INITIALIZER("mpu", false, 800000000, 1325000),
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/* MPU OPP4 - OPP-SB */
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OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
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/* L3 OPP1 - OPP50 */
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OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
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/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
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OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
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/* DSP OPP1 - OPP50 */
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OPP_INITIALIZER("iva", true, 260000000, 1012500),
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/* DSP OPP2 - OPP100 */
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OPP_INITIALIZER("iva", true, 520000000, 1200000),
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/* DSP OPP3 - OPP-Turbo */
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OPP_INITIALIZER("iva", false, 660000000, 1325000),
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/* DSP OPP4 - OPP-SB */
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OPP_INITIALIZER("iva", false, 800000000, 1375000),
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};
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/**
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* omap3_opp_init() - initialize omap3 opp table
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*/
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static int __init omap3_opp_init(void)
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{
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int r = -ENODEV;
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if (!cpu_is_omap34xx())
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return r;
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if (cpu_is_omap3630())
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r = omap_init_opp_table(omap36xx_opp_def_list,
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ARRAY_SIZE(omap36xx_opp_def_list));
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else
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r = omap_init_opp_table(omap34xx_opp_def_list,
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ARRAY_SIZE(omap34xx_opp_def_list));
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return r;
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}
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device_initcall(omap3_opp_init);
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