1 /*
2  * OMAP4 OPP table definitions.
3  *
4  * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
5  *	Nishanth Menon
6  *	Kevin Hilman
7  *	Thara Gopinath
8  * Copyright (C) 2010-2011 Nokia Corporation.
9  *      Eduardo Valentin
10  *      Paul Walmsley
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  *
16  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
17  * kind, whether express or implied; without even the implied warranty
18  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  */
21 #include <linux/module.h>
22 
23 #include <plat/cpu.h>
24 
25 #include "control.h"
26 #include "omap_opp_data.h"
27 
28 /*
29  * Structures containing OMAP4430 voltage supported and various
30  * voltage dependent data for each VDD.
31  */
32 
33 #define OMAP4430_VDD_MPU_OPP50_UV		930000
34 #define OMAP4430_VDD_MPU_OPP100_UV		1100000
35 #define OMAP4430_VDD_MPU_OPPTURBO_UV		1260000
36 #define OMAP4430_VDD_MPU_OPPNITRO_UV		1350000
37 
38 struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
39 	VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
40 	VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
41 	VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
42 	VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
43 	VOLT_DATA_DEFINE(0, 0, 0, 0),
44 };
45 
46 #define OMAP4430_VDD_IVA_OPP50_UV		930000
47 #define OMAP4430_VDD_IVA_OPP100_UV		1100000
48 #define OMAP4430_VDD_IVA_OPPTURBO_UV		1260000
49 
50 struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
51 	VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
52 	VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
53 	VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
54 	VOLT_DATA_DEFINE(0, 0, 0, 0),
55 };
56 
57 #define OMAP4430_VDD_CORE_OPP50_UV		930000
58 #define OMAP4430_VDD_CORE_OPP100_UV		1100000
59 
60 struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
61 	VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
62 	VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
63 	VOLT_DATA_DEFINE(0, 0, 0, 0),
64 };
65 
66 
67 static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
68 	/* MPU OPP1 - OPP50 */
69 	OPP_INITIALIZER("mpu", true, 300000000, 1100000),
70 	/* MPU OPP2 - OPP100 */
71 	OPP_INITIALIZER("mpu", true, 600000000, 1200000),
72 	/* MPU OPP3 - OPP-Turbo */
73 	OPP_INITIALIZER("mpu", false, 800000000, 1260000),
74 	/* MPU OPP4 - OPP-SB */
75 	OPP_INITIALIZER("mpu", false, 1008000000, 1350000),
76 	/* L3 OPP1 - OPP50 */
77 	OPP_INITIALIZER("l3_main_1", true, 100000000, 930000),
78 	/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
79 	OPP_INITIALIZER("l3_main_1", true, 200000000, 1100000),
80 	/* TODO: add IVA, DSP, aess, fdif, gpu */
81 };
82 
83 /**
84  * omap4_opp_init() - initialize omap4 opp table
85  */
86 static int __init omap4_opp_init(void)
87 {
88 	int r = -ENODEV;
89 
90 	if (!cpu_is_omap44xx())
91 		return r;
92 
93 	r = omap_init_opp_table(omap44xx_opp_def_list,
94 			ARRAY_SIZE(omap44xx_opp_def_list));
95 
96 	return r;
97 }
98 device_initcall(omap4_opp_init);
99