/arch/arm/mach-omap2/voltagedomains44xx_data.c

https://github.com/AICP/kernel_asus_grouper · C · 102 lines · 64 code · 13 blank · 25 comment · 1 complexity · 4c85dba99fcd012cc9c2341254e5a8f6 MD5 · raw file 

    

  1. /*
    2. 

  2.  * OMAP3/OMAP4 Voltage Management Routines
    3. 

  3.  *
    4. 

  4.  * Author: Thara Gopinath	<thara@ti.com>
    5. 

  5.  *
    6. 

  6.  * Copyright (C) 2007 Texas Instruments, Inc.
    7. 

  7.  * Rajendra Nayak <rnayak@ti.com>
    8. 

  8.  * Lesly A M <x0080970@ti.com>
    9. 

  9.  *
    10. 

  10.  * Copyright (C) 2008 Nokia Corporation
    11. 

  11.  * Kalle Jokiniemi
    12. 

  12.  *
    13. 

  13.  * Copyright (C) 2010 Texas Instruments, Inc.
    14. 

  14.  * Thara Gopinath <thara@ti.com>
    15. 

  15.  *
    16. 

  16.  * This program is free software; you can redistribute it and/or modify
    17. 

  17.  * it under the terms of the GNU General Public License version 2 as
    18. 

  18.  * published by the Free Software Foundation.
    19. 

  19.  */
    20. 

  20. #include <linux/kernel.h>
    21. 

  21. #include <linux/err.h>
    22. 

  22. #include <linux/init.h>
    23. 

  23. 

  24. #include <plat/common.h>
    25. 

  25. 

  26. #include "prm-regbits-44xx.h"
    27. 

  27. #include "prm44xx.h"
    28. 

  28. #include "prcm44xx.h"
    29. 

  29. #include "prminst44xx.h"
    30. 

  30. #include "voltage.h"
    31. 

  31. #include "omap_opp_data.h"
    32. 

  32. #include "vc.h"
    33. 

  33. #include "vp.h"
    34. 

  34. 

  35. static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = {
    36. 

  36. 	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
    37. 

  37. };
    38. 

  38. 

  39. static struct omap_vdd_info omap4_vdd_mpu_info = {
    40. 

  40. 	.vp_data = &omap4_vp_mpu_data,
    41. 

  41. 	.vc_data = &omap4_vc_mpu_data,
    42. 

  42. 	.vfsm = &omap4_vdd_mpu_vfsm_data,
    43. 

  43. 	.voltdm = {
    44. 

  44. 		.name = "mpu",
    45. 

  45. 	},
    46. 

  46. };
    47. 

  47. 

  48. static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
    49. 

  49. 	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
    50. 

  50. };
    51. 

  51. 

  52. static struct omap_vdd_info omap4_vdd_iva_info = {
    53. 

  53. 	.vp_data = &omap4_vp_iva_data,
    54. 

  54. 	.vc_data = &omap4_vc_iva_data,
    55. 

  55. 	.vfsm = &omap4_vdd_iva_vfsm_data,
    56. 

  56. 	.voltdm = {
    57. 

  57. 		.name = "iva",
    58. 

  58. 	},
    59. 

  59. };
    60. 

  60. 

  61. static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
    62. 

  62. 	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
    63. 

  63. };
    64. 

  64. 

  65. static struct omap_vdd_info omap4_vdd_core_info = {
    66. 

  66. 	.vp_data = &omap4_vp_core_data,
    67. 

  67. 	.vc_data = &omap4_vc_core_data,
    68. 

  68. 	.vfsm = &omap4_vdd_core_vfsm_data,
    69. 

  69. 	.voltdm = {
    70. 

  70. 		.name = "core",
    71. 

  71. 	},
    72. 

  72. };
    73. 

  73. 

  74. /* OMAP4 VDD structures */
    75. 

  75. static struct omap_vdd_info *omap4_vdd_info[] = {
    76. 

  76. 	&omap4_vdd_mpu_info,
    77. 

  77. 	&omap4_vdd_iva_info,
    78. 

  78. 	&omap4_vdd_core_info,
    79. 

  79. };
    80. 

  80. 

  81. /* OMAP4 specific voltage init functions */
    82. 

  82. static int __init omap44xx_voltage_early_init(void)
    83. 

  83. {
    84. 

  84. 	s16 prm_mod = OMAP4430_PRM_DEVICE_INST;
    85. 

  85. 	s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
    86. 

  86. 

  87. 	if (!cpu_is_omap44xx())
    88. 

  88. 		return 0;
    89. 

  89. 

  90. 	/*
    91. 

  91. 	 * XXX Will depend on the process, validation, and binning
    92. 

  92. 	 * for the currently-running IC
    93. 

  93. 	 */
    94. 

  94. 	omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
    95. 

  95. 	omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
    96. 

  96. 	omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
    97. 

  97. 

  98. 	return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
    99. 

  99. 				       omap4_vdd_info,
    100. 

  100. 				       ARRAY_SIZE(omap4_vdd_info));
    101. 

  101. };
    102. 

  102. core_initcall(omap44xx_voltage_early_init);
    103.