preliminaryDataProcessing.c 8.0 KB

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  1. /*
  2. * OMAP3 clock data
  3. *
  4. * Copyright (C) 2007-2012 Texas Instruments, Inc.
  5. * Copyright (C) 2007-2011 Nokia Corporation
  6. *
  7. * Written by Paul Walmsley
  8. * Updated to COMMON clk data format by Rajendra Nayak <rnayak@ti.com>
  9. * With many device clock fixes by Kevin Hilman and Jouni Högander
  10. * DPLL bypass clock support added by Roman Tereshonkov
  11. *
  12. */
  13. /*
  14. * Virtual clocks are introduced as convenient tools.
  15. * They are sources for other clocks and not supposed
  16. * to be requested from drivers directly.
  17. */
  18. #include <linux/kernel.h>
  19. #include <linux/clk.h>
  20. #include <linux/clk-private.h>
  21. #include <linux/list.h>
  22. #include <linux/io.h>
  23. #include "soc.h"
  24. #include "iomap.h"
  25. #include "clock.h"
  26. #include "clock3xxx.h"
  27. #include "clock34xx.h"
  28. #include "clock36xx.h"
  29. #include "clock3517.h"
  30. #include "cm3xxx.h"
  31. #include "cm-regbits-34xx.h"
  32. #include "prm3xxx.h"
  33. #include "prm-regbits-34xx.h"
  34. #include "control.h"
  35. /*
  36. * clocks
  37. */
  38. #define OMAP_CM_REGADDR OMAP34XX_CM_REGADDR
  39. /* Maximum DPLL multiplier, divider values for OMAP3 */
  40. #define OMAP3_MAX_DPLL_MULT 2047
  41. #define OMAP3630_MAX_JTYPE_DPLL_MULT 4095
  42. #define OMAP3_MAX_DPLL_DIV 128
  43. DEFINE_CLK_FIXED_RATE(dummy_apb_pclk, CLK_IS_ROOT, 0x0, 0x0);
  44. DEFINE_CLK_FIXED_RATE(mcbsp_clks, CLK_IS_ROOT, 0x0, 0x0);
  45. DEFINE_CLK_FIXED_RATE(omap_32k_fck, CLK_IS_ROOT, 32768, 0x0);
  46. DEFINE_CLK_FIXED_RATE(pclk_ck, CLK_IS_ROOT, 27000000, 0x0);
  47. DEFINE_CLK_FIXED_RATE(rmii_ck, CLK_IS_ROOT, 50000000, 0x0);
  48. DEFINE_CLK_FIXED_RATE(secure_32k_fck, CLK_IS_ROOT, 32768, 0x0);
  49. DEFINE_CLK_FIXED_RATE(sys_altclk, CLK_IS_ROOT, 0x0, 0x0);
  50. DEFINE_CLK_FIXED_RATE(virt_12m_ck, CLK_IS_ROOT, 12000000, 0x0);
  51. DEFINE_CLK_FIXED_RATE(virt_13m_ck, CLK_IS_ROOT, 13000000, 0x0);
  52. DEFINE_CLK_FIXED_RATE(virt_16_8m_ck, CLK_IS_ROOT, 16800000, 0x0);
  53. DEFINE_CLK_FIXED_RATE(virt_19200000_ck, CLK_IS_ROOT, 19200000, 0x0);
  54. DEFINE_CLK_FIXED_RATE(virt_26000000_ck, CLK_IS_ROOT, 26000000, 0x0);
  55. DEFINE_CLK_FIXED_RATE(virt_38_4m_ck, CLK_IS_ROOT, 38400000, 0x0);
  56. static const char *osc_sys_ck_parent_names[] = {
  57. "virt_12m_ck", "virt_13m_ck", "virt_19200000_ck", "virt_26000000_ck",
  58. "virt_38_4m_ck", "virt_16_8m_ck",
  59. };
  60. DEFINE_CLK_MUX(osc_sys_ck, osc_sys_ck_parent_names, NULL, 0x0,
  61. OMAP3430_PRM_CLKSEL, OMAP3430_SYS_CLKIN_SEL_SHIFT,
  62. OMAP3430_SYS_CLKIN_SEL_WIDTH, 0x0, NULL);
  63. DEFINE_CLK_DIVIDER(sys_ck, "osc_sys_ck", &osc_sys_ck, 0x0,
  64. OMAP3430_PRM_CLKSRC_CTRL, OMAP_SYSCLKDIV_SHIFT,
  65. OMAP_SYSCLKDIV_WIDTH, CLK_DIVIDER_ONE_BASED, NULL);
  66. static struct dpll_data dpll3_dd = {
  67. .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
  68. .mult_mask = OMAP3430_CORE_DPLL_MULT_MASK,
  69. .div1_mask = OMAP3430_CORE_DPLL_DIV_MASK,
  70. .clk_bypass = &sys_ck,
  71. .clk_ref = &sys_ck,
  72. .freqsel_mask = OMAP3430_CORE_DPLL_FREQSEL_MASK,
  73. .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
  74. .enable_mask = OMAP3430_EN_CORE_DPLL_MASK,
  75. .auto_recal_bit = OMAP3430_EN_CORE_DPLL_DRIFTGUARD_SHIFT,
  76. .recal_en_bit = OMAP3430_CORE_DPLL_RECAL_EN_SHIFT,
  77. .recal_st_bit = OMAP3430_CORE_DPLL_ST_SHIFT,
  78. .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE),
  79. .autoidle_mask = OMAP3430_AUTO_CORE_DPLL_MASK,
  80. .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
  81. .idlest_mask = OMAP3430_ST_CORE_CLK_MASK,
  82. .max_multiplier = OMAP3_MAX_DPLL_MULT,
  83. .min_divider = 1,
  84. .max_divider = OMAP3_MAX_DPLL_DIV,
  85. };
  86. static struct clk dpll3_ck;
  87. static const char *dpll3_ck_parent_names[] = {
  88. "sys_ck",
  89. };
  90. static const struct clk_ops dpll3_ck_ops = {
  91. .init = &omap2_init_clk_clkdm,
  92. .get_parent = &omap2_init_dpll_parent,
  93. .recalc_rate = &omap3_dpll_recalc,
  94. .round_rate = &omap2_dpll_round_rate,
  95. };
  96. static struct clk_hw_omap dpll3_ck_hw = {
  97. .hw = {
  98. .clk = &dpll3_ck,
  99. },
  100. .ops = &clkhwops_omap3_dpll,
  101. .dpll_data = &dpll3_dd,
  102. .clkdm_name = "dpll3_clkdm",
  103. };
  104. DEFINE_STRUCT_CLK(dpll3_ck, dpll3_ck_parent_names, dpll3_ck_ops);
  105. DEFINE_CLK_DIVIDER(dpll3_m2_ck, "dpll3_ck", &dpll3_ck, 0x0,
  106. OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
  107. OMAP3430_CORE_DPLL_CLKOUT_DIV_SHIFT,
  108. OMAP3430_CORE_DPLL_CLKOUT_DIV_WIDTH,
  109. CLK_DIVIDER_ONE_BASED, NULL);
  110. static struct clk core_ck;
  111. static const char *core_ck_parent_names[] = {
  112. "dpll3_m2_ck",
  113. };
  114. static const struct clk_ops core_ck_ops = {};
  115. DEFINE_STRUCT_CLK_HW_OMAP(core_ck, NULL);
  116. DEFINE_STRUCT_CLK(core_ck, core_ck_parent_names, core_ck_ops);
  117. DEFINE_CLK_DIVIDER(l3_ick, "core_ck", &core_ck, 0x0,
  118. OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
  119. OMAP3430_CLKSEL_L3_SHIFT, OMAP3430_CLKSEL_L3_WIDTH,
  120. CLK_DIVIDER_ONE_BASED, NULL);
  121. DEFINE_CLK_DIVIDER(l4_ick, "l3_ick", &l3_ick, 0x0,
  122. OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
  123. OMAP3430_CLKSEL_L4_SHIFT, OMAP3430_CLKSEL_L4_WIDTH,
  124. CLK_DIVIDER_ONE_BASED, NULL);
  125. static struct clk security_l4_ick2;
  126. static const char *security_l4_ick2_parent_names[] = {
  127. "l4_ick",
  128. };
  129. DEFINE_STRUCT_CLK_HW_OMAP(security_l4_ick2, NULL);
  130. DEFINE_STRUCT_CLK(security_l4_ick2, security_l4_ick2_parent_names, core_ck_ops);
  131. static struct clk aes1_ick;
  132. static const char *aes1_ick_parent_names[] = {
  133. "security_l4_ick2",
  134. };
  135. static const struct clk_ops aes1_ick_ops = {
  136. .enable = &omap2_dflt_clk_enable,
  137. .disable = &omap2_dflt_clk_disable,
  138. .is_enabled = &omap2_dflt_clk_is_enabled,
  139. };
  140. static struct clk_hw_omap aes1_ick_hw = {
  141. .hw = {
  142. .clk = &aes1_ick,
  143. },
  144. .ops = &clkhwops_iclk_wait,
  145. .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
  146. .enable_bit = OMAP3430_EN_AES1_SHIFT,
  147. };
  148. DEFINE_STRUCT_CLK(aes1_ick, aes1_ick_parent_names, aes1_ick_ops);
  149. static struct clk core_l4_ick;
  150. static const struct clk_ops core_l4_ick_ops = {
  151. .init = &omap2_init_clk_clkdm,
  152. };
  153. DEFINE_STRUCT_CLK_HW_OMAP(core_l4_ick, "core_l4_clkdm");
  154. DEFINE_STRUCT_CLK(core_l4_ick, security_l4_ick2_parent_names, core_l4_ick_ops);
  155. static struct clk aes2_ick;
  156. static const char *aes2_ick_parent_names[] = {
  157. "core_l4_ick",
  158. };
  159. static const struct clk_ops aes2_ick_ops = {
  160. .init = &omap2_init_clk_clkdm,
  161. .enable = &omap2_dflt_clk_enable,
  162. .disable = &omap2_dflt_clk_disable,
  163. .is_enabled = &omap2_dflt_clk_is_enabled,
  164. };
  165. static struct clk_hw_omap aes2_ick_hw = {
  166. .hw = {
  167. .clk = &aes2_ick,
  168. },
  169. .ops = &clkhwops_iclk_wait,
  170. .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
  171. .enable_bit = OMAP3430_EN_AES2_SHIFT,
  172. .clkdm_name = "core_l4_clkdm",
  173. };
  174. DEFINE_STRUCT_CLK(aes2_ick, aes2_ick_parent_names, aes2_ick_ops);
  175. static struct clk dpll1_fck;
  176. static struct dpll_data dpll1_dd = {
  177. .mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL),
  178. .mult_mask = OMAP3430_MPU_DPLL_MULT_MASK,
  179. .div1_mask = OMAP3430_MPU_DPLL_DIV_MASK,
  180. .clk_bypass = &dpll1_fck,
  181. .clk_ref = &sys_ck,
  182. .freqsel_mask = OMAP3430_MPU_DPLL_FREQSEL_MASK,
  183. .control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL),
  184. .enable_mask = OMAP3430_EN_MPU_DPLL_MASK,
  185. .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
  186. .auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT,
  187. .recal_en_bit = OMAP3430_MPU_DPLL_RECAL_EN_SHIFT,
  188. .recal_st_bit = OMAP3430_MPU_DPLL_ST_SHIFT,
  189. .autoidle_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL),
  190. .autoidle_mask = OMAP3430_AUTO_MPU_DPLL_MASK,
  191. .idlest_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
  192. .idlest_mask = OMAP3430_ST_MPU_CLK_MASK,
  193. .max_multiplier = OMAP3_MAX_DPLL_MULT,
  194. .min_divider = 1,
  195. .max_divider = OMAP3_MAX_DPLL_DIV,
  196. };
  197. static struct clk dpll1_ck;
  198. static const struct clk_ops dpll1_ck_ops = {
  199. .init = &omap2_init_clk_clkdm,
  200. .enable = &omap3_noncore_dpll_enable,
  201. .disable = &omap3_noncore_dpll_disable,
  202. .get_parent = &omap2_init_dpll_parent,
  203. .recalc_rate = &omap3_dpll_recalc,
  204. .set_rate = &omap3_noncore_dpll_set_rate,
  205. .round_rate = &omap2_dpll_round_rate,
  206. };
  207. static struct clk_hw_omap dpll1_ck_hw = {
  208. .hw = {
  209. .clk = &dpll1_ck,
  210. },
  211. .ops = &clkhwops_omap3_dpll,
  212. .dpll_data = &dpll1_dd,
  213. .clkdm_name = "dpll1_clkdm",
  214. };
  215. DEFINE_STRUCT_CLK(dpll1_ck, dpll3_ck_parent_names, dpll1_ck_ops);
  216. DEFINE_CLK_FIXED_FACTOR(dpll1_x2_ck, "dpll1_ck", &dpll1_ck, 0x0, 2, 1);
  217. DEFINE_CLK_DIVIDER(dpll1_x2m2_ck, "dpll1_x2_ck", &dpll1_x2_ck, 0x0,
  218. OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL),
  219. OMAP3430_MPU_DPLL_CLKOUT_DIV_SHIFT,
  220. OMAP3430_MPU_DPLL_CLKOUT_DIV_WIDTH,
  221. CLK_DIVIDER_ONE_BASED, NULL);