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-rw-r--r--arch/arm/mach-omap2/clock34xx.c118
-rw-r--r--arch/arm/mach-omap2/clock34xx.h85
2 files changed, 185 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 1c6480d3ad62..cd7819cc0c9e 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -2,7 +2,7 @@
2 * OMAP3-specific clock framework functions 2 * OMAP3-specific clock framework functions
3 * 3 *
4 * Copyright (C) 2007-2008 Texas Instruments, Inc. 4 * Copyright (C) 2007-2008 Texas Instruments, Inc.
5 * Copyright (C) 2007-2008 Nokia Corporation 5 * Copyright (C) 2007-2009 Nokia Corporation
6 * 6 *
7 * Written by Paul Walmsley 7 * Written by Paul Walmsley
8 * Testing and integration fixes by Jouni Högander 8 * Testing and integration fixes by Jouni Högander
@@ -41,6 +41,37 @@
41 41
42static const struct clkops clkops_noncore_dpll_ops; 42static const struct clkops clkops_noncore_dpll_ops;
43 43
44static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
45 void __iomem **idlest_reg,
46 u8 *idlest_bit);
47static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
48 void __iomem **idlest_reg,
49 u8 *idlest_bit);
50static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
51 void __iomem **idlest_reg,
52 u8 *idlest_bit);
53
54static const struct clkops clkops_omap3430es2_ssi_wait = {
55 .enable = omap2_dflt_clk_enable,
56 .disable = omap2_dflt_clk_disable,
57 .find_idlest = omap3430es2_clk_ssi_find_idlest,
58 .find_companion = omap2_clk_dflt_find_companion,
59};
60
61static const struct clkops clkops_omap3430es2_hsotgusb_wait = {
62 .enable = omap2_dflt_clk_enable,
63 .disable = omap2_dflt_clk_disable,
64 .find_idlest = omap3430es2_clk_hsotgusb_find_idlest,
65 .find_companion = omap2_clk_dflt_find_companion,
66};
67
68static const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
69 .enable = omap2_dflt_clk_enable,
70 .disable = omap2_dflt_clk_disable,
71 .find_idlest = omap3430es2_clk_dss_usbhost_find_idlest,
72 .find_companion = omap2_clk_dflt_find_companion,
73};
74
44#include "clock34xx.h" 75#include "clock34xx.h"
45 76
46struct omap_clk { 77struct omap_clk {
@@ -157,10 +188,13 @@ static struct omap_clk omap34xx_clks[] = {
157 CLK(NULL, "fshostusb_fck", &fshostusb_fck, CK_3430ES1), 188 CLK(NULL, "fshostusb_fck", &fshostusb_fck, CK_3430ES1),
158 CLK(NULL, "core_12m_fck", &core_12m_fck, CK_343X), 189 CLK(NULL, "core_12m_fck", &core_12m_fck, CK_343X),
159 CLK("omap_hdq.0", "fck", &hdq_fck, CK_343X), 190 CLK("omap_hdq.0", "fck", &hdq_fck, CK_343X),
160 CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck, CK_343X), 191 CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck_3430es1, CK_3430ES1),
161 CLK(NULL, "ssi_sst_fck", &ssi_sst_fck, CK_343X), 192 CLK(NULL, "ssi_ssr_fck", &ssi_ssr_fck_3430es2, CK_3430ES2),
193 CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es1, CK_3430ES1),
194 CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es2, CK_3430ES2),
162 CLK(NULL, "core_l3_ick", &core_l3_ick, CK_343X), 195 CLK(NULL, "core_l3_ick", &core_l3_ick, CK_343X),
163 CLK("musb_hdrc", "ick", &hsotgusb_ick, CK_343X), 196 CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es1, CK_3430ES1),
197 CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es2, CK_3430ES2),
164 CLK(NULL, "sdrc_ick", &sdrc_ick, CK_343X), 198 CLK(NULL, "sdrc_ick", &sdrc_ick, CK_343X),
165 CLK(NULL, "gpmc_fck", &gpmc_fck, CK_343X), 199 CLK(NULL, "gpmc_fck", &gpmc_fck, CK_343X),
166 CLK(NULL, "security_l3_ick", &security_l3_ick, CK_343X), 200 CLK(NULL, "security_l3_ick", &security_l3_ick, CK_343X),
@@ -193,18 +227,21 @@ static struct omap_clk omap34xx_clks[] = {
193 CLK(NULL, "mailboxes_ick", &mailboxes_ick, CK_343X), 227 CLK(NULL, "mailboxes_ick", &mailboxes_ick, CK_343X),
194 CLK(NULL, "omapctrl_ick", &omapctrl_ick, CK_343X), 228 CLK(NULL, "omapctrl_ick", &omapctrl_ick, CK_343X),
195 CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_343X), 229 CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_343X),
196 CLK(NULL, "ssi_ick", &ssi_ick, CK_343X), 230 CLK(NULL, "ssi_ick", &ssi_ick_3430es1, CK_3430ES1),
231 CLK(NULL, "ssi_ick", &ssi_ick_3430es2, CK_3430ES2),
197 CLK(NULL, "usb_l4_ick", &usb_l4_ick, CK_3430ES1), 232 CLK(NULL, "usb_l4_ick", &usb_l4_ick, CK_3430ES1),
198 CLK(NULL, "security_l4_ick2", &security_l4_ick2, CK_343X), 233 CLK(NULL, "security_l4_ick2", &security_l4_ick2, CK_343X),
199 CLK(NULL, "aes1_ick", &aes1_ick, CK_343X), 234 CLK(NULL, "aes1_ick", &aes1_ick, CK_343X),
200 CLK("omap_rng", "ick", &rng_ick, CK_343X), 235 CLK("omap_rng", "ick", &rng_ick, CK_343X),
201 CLK(NULL, "sha11_ick", &sha11_ick, CK_343X), 236 CLK(NULL, "sha11_ick", &sha11_ick, CK_343X),
202 CLK(NULL, "des1_ick", &des1_ick, CK_343X), 237 CLK(NULL, "des1_ick", &des1_ick, CK_343X),
203 CLK("omapfb", "dss1_fck", &dss1_alwon_fck, CK_343X), 238 CLK("omapfb", "dss1_fck", &dss1_alwon_fck_3430es1, CK_3430ES1),
239 CLK("omapfb", "dss1_fck", &dss1_alwon_fck_3430es2, CK_3430ES2),
204 CLK("omapfb", "tv_fck", &dss_tv_fck, CK_343X), 240 CLK("omapfb", "tv_fck", &dss_tv_fck, CK_343X),
205 CLK("omapfb", "video_fck", &dss_96m_fck, CK_343X), 241 CLK("omapfb", "video_fck", &dss_96m_fck, CK_343X),
206 CLK("omapfb", "dss2_fck", &dss2_alwon_fck, CK_343X), 242 CLK("omapfb", "dss2_fck", &dss2_alwon_fck, CK_343X),
207 CLK("omapfb", "ick", &dss_ick, CK_343X), 243 CLK("omapfb", "ick", &dss_ick_3430es1, CK_3430ES1),
244 CLK("omapfb", "ick", &dss_ick_3430es2, CK_3430ES2),
208 CLK(NULL, "cam_mclk", &cam_mclk, CK_343X), 245 CLK(NULL, "cam_mclk", &cam_mclk, CK_343X),
209 CLK(NULL, "cam_ick", &cam_ick, CK_343X), 246 CLK(NULL, "cam_ick", &cam_ick, CK_343X),
210 CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_343X), 247 CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_343X),
@@ -301,6 +338,73 @@ static struct omap_clk omap34xx_clks[] = {
301#define SDRC_MPURATE_LOOPS 96 338#define SDRC_MPURATE_LOOPS 96
302 339
303/** 340/**
341 * omap3430es2_clk_ssi_find_idlest - return CM_IDLEST info for SSI
342 * @clk: struct clk * being enabled
343 * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
344 * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
345 *
346 * The OMAP3430ES2 SSI target CM_IDLEST bit is at a different shift
347 * from the CM_{I,F}CLKEN bit. Pass back the correct info via
348 * @idlest_reg and @idlest_bit. No return value.
349 */
350static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
351 void __iomem **idlest_reg,
352 u8 *idlest_bit)
353{
354 u32 r;
355
356 r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
357 *idlest_reg = (__force void __iomem *)r;
358 *idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
359}
360
361/**
362 * omap3430es2_clk_dss_usbhost_find_idlest - CM_IDLEST info for DSS, USBHOST
363 * @clk: struct clk * being enabled
364 * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
365 * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
366 *
367 * Some OMAP modules on OMAP3 ES2+ chips have both initiator and
368 * target IDLEST bits. For our purposes, we are concerned with the
369 * target IDLEST bits, which exist at a different bit position than
370 * the *CLKEN bit position for these modules (DSS and USBHOST) (The
371 * default find_idlest code assumes that they are at the same
372 * position.) No return value.
373 */
374static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
375 void __iomem **idlest_reg,
376 u8 *idlest_bit)
377{
378 u32 r;
379
380 r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
381 *idlest_reg = (__force void __iomem *)r;
382 /* USBHOST_IDLE has same shift */
383 *idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
384}
385
386/**
387 * omap3430es2_clk_hsotgusb_find_idlest - return CM_IDLEST info for HSOTGUSB
388 * @clk: struct clk * being enabled
389 * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
390 * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
391 *
392 * The OMAP3430ES2 HSOTGUSB target CM_IDLEST bit is at a different
393 * shift from the CM_{I,F}CLKEN bit. Pass back the correct info via
394 * @idlest_reg and @idlest_bit. No return value.
395 */
396static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
397 void __iomem **idlest_reg,
398 u8 *idlest_bit)
399{
400 u32 r;
401
402 r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
403 *idlest_reg = (__force void __iomem *)r;
404 *idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
405}
406
407/**
304 * omap3_dpll_recalc - recalculate DPLL rate 408 * omap3_dpll_recalc - recalculate DPLL rate
305 * @clk: DPLL struct clk 409 * @clk: DPLL struct clk
306 * 410 *
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index e433aec4efdd..57cc2725b923 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -1568,7 +1568,7 @@ static const struct clksel ssi_ssr_clksel[] = {
1568 { .parent = NULL } 1568 { .parent = NULL }
1569}; 1569};
1570 1570
1571static struct clk ssi_ssr_fck = { 1571static struct clk ssi_ssr_fck_3430es1 = {
1572 .name = "ssi_ssr_fck", 1572 .name = "ssi_ssr_fck",
1573 .ops = &clkops_omap2_dflt, 1573 .ops = &clkops_omap2_dflt,
1574 .init = &omap2_init_clksel_parent, 1574 .init = &omap2_init_clksel_parent,
@@ -1581,10 +1581,31 @@ static struct clk ssi_ssr_fck = {
1581 .recalc = &omap2_clksel_recalc, 1581 .recalc = &omap2_clksel_recalc,
1582}; 1582};
1583 1583
1584static struct clk ssi_sst_fck = { 1584static struct clk ssi_ssr_fck_3430es2 = {
1585 .name = "ssi_ssr_fck",
1586 .ops = &clkops_omap3430es2_ssi_wait,
1587 .init = &omap2_init_clksel_parent,
1588 .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
1589 .enable_bit = OMAP3430_EN_SSI_SHIFT,
1590 .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
1591 .clksel_mask = OMAP3430_CLKSEL_SSI_MASK,
1592 .clksel = ssi_ssr_clksel,
1593 .clkdm_name = "core_l4_clkdm",
1594 .recalc = &omap2_clksel_recalc,
1595};
1596
1597static struct clk ssi_sst_fck_3430es1 = {
1585 .name = "ssi_sst_fck", 1598 .name = "ssi_sst_fck",
1586 .ops = &clkops_null, 1599 .ops = &clkops_null,
1587 .parent = &ssi_ssr_fck, 1600 .parent = &ssi_ssr_fck_3430es1,
1601 .fixed_div = 2,
1602 .recalc = &omap2_fixed_divisor_recalc,
1603};
1604
1605static struct clk ssi_sst_fck_3430es2 = {
1606 .name = "ssi_sst_fck",
1607 .ops = &clkops_null,
1608 .parent = &ssi_ssr_fck_3430es2,
1588 .fixed_div = 2, 1609 .fixed_div = 2,
1589 .recalc = &omap2_fixed_divisor_recalc, 1610 .recalc = &omap2_fixed_divisor_recalc,
1590}; 1611};
@@ -1606,9 +1627,19 @@ static struct clk core_l3_ick = {
1606 .recalc = &followparent_recalc, 1627 .recalc = &followparent_recalc,
1607}; 1628};
1608 1629
1609static struct clk hsotgusb_ick = { 1630static struct clk hsotgusb_ick_3430es1 = {
1610 .name = "hsotgusb_ick", 1631 .name = "hsotgusb_ick",
1611 .ops = &clkops_omap2_dflt_wait, 1632 .ops = &clkops_omap2_dflt,
1633 .parent = &core_l3_ick,
1634 .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
1635 .enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
1636 .clkdm_name = "core_l3_clkdm",
1637 .recalc = &followparent_recalc,
1638};
1639
1640static struct clk hsotgusb_ick_3430es2 = {
1641 .name = "hsotgusb_ick",
1642 .ops = &clkops_omap3430es2_hsotgusb_wait,
1612 .parent = &core_l3_ick, 1643 .parent = &core_l3_ick,
1613 .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), 1644 .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
1614 .enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT, 1645 .enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
@@ -1947,7 +1978,7 @@ static struct clk ssi_l4_ick = {
1947 .recalc = &followparent_recalc, 1978 .recalc = &followparent_recalc,
1948}; 1979};
1949 1980
1950static struct clk ssi_ick = { 1981static struct clk ssi_ick_3430es1 = {
1951 .name = "ssi_ick", 1982 .name = "ssi_ick",
1952 .ops = &clkops_omap2_dflt, 1983 .ops = &clkops_omap2_dflt,
1953 .parent = &ssi_l4_ick, 1984 .parent = &ssi_l4_ick,
@@ -1957,6 +1988,16 @@ static struct clk ssi_ick = {
1957 .recalc = &followparent_recalc, 1988 .recalc = &followparent_recalc,
1958}; 1989};
1959 1990
1991static struct clk ssi_ick_3430es2 = {
1992 .name = "ssi_ick",
1993 .ops = &clkops_omap3430es2_ssi_wait,
1994 .parent = &ssi_l4_ick,
1995 .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
1996 .enable_bit = OMAP3430_EN_SSI_SHIFT,
1997 .clkdm_name = "core_l4_clkdm",
1998 .recalc = &followparent_recalc,
1999};
2000
1960/* REVISIT: Technically the TRM claims that this is CORE_CLK based, 2001/* REVISIT: Technically the TRM claims that this is CORE_CLK based,
1961 * but l4_ick makes more sense to me */ 2002 * but l4_ick makes more sense to me */
1962 2003
@@ -2024,7 +2065,7 @@ static struct clk des1_ick = {
2024}; 2065};
2025 2066
2026/* DSS */ 2067/* DSS */
2027static struct clk dss1_alwon_fck = { 2068static struct clk dss1_alwon_fck_3430es1 = {
2028 .name = "dss1_alwon_fck", 2069 .name = "dss1_alwon_fck",
2029 .ops = &clkops_omap2_dflt, 2070 .ops = &clkops_omap2_dflt,
2030 .parent = &dpll4_m4x2_ck, 2071 .parent = &dpll4_m4x2_ck,
@@ -2034,6 +2075,16 @@ static struct clk dss1_alwon_fck = {
2034 .recalc = &followparent_recalc, 2075 .recalc = &followparent_recalc,
2035}; 2076};
2036 2077
2078static struct clk dss1_alwon_fck_3430es2 = {
2079 .name = "dss1_alwon_fck",
2080 .ops = &clkops_omap3430es2_dss_usbhost_wait,
2081 .parent = &dpll4_m4x2_ck,
2082 .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
2083 .enable_bit = OMAP3430_EN_DSS1_SHIFT,
2084 .clkdm_name = "dss_clkdm",
2085 .recalc = &followparent_recalc,
2086};
2087
2037static struct clk dss_tv_fck = { 2088static struct clk dss_tv_fck = {
2038 .name = "dss_tv_fck", 2089 .name = "dss_tv_fck",
2039 .ops = &clkops_omap2_dflt, 2090 .ops = &clkops_omap2_dflt,
@@ -2067,7 +2118,7 @@ static struct clk dss2_alwon_fck = {
2067 .recalc = &followparent_recalc, 2118 .recalc = &followparent_recalc,
2068}; 2119};
2069 2120
2070static struct clk dss_ick = { 2121static struct clk dss_ick_3430es1 = {
2071 /* Handles both L3 and L4 clocks */ 2122 /* Handles both L3 and L4 clocks */
2072 .name = "dss_ick", 2123 .name = "dss_ick",
2073 .ops = &clkops_omap2_dflt, 2124 .ops = &clkops_omap2_dflt,
@@ -2079,6 +2130,18 @@ static struct clk dss_ick = {
2079 .recalc = &followparent_recalc, 2130 .recalc = &followparent_recalc,
2080}; 2131};
2081 2132
2133static struct clk dss_ick_3430es2 = {
2134 /* Handles both L3 and L4 clocks */
2135 .name = "dss_ick",
2136 .ops = &clkops_omap3430es2_dss_usbhost_wait,
2137 .parent = &l4_ick,
2138 .init = &omap2_init_clk_clkdm,
2139 .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
2140 .enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
2141 .clkdm_name = "dss_clkdm",
2142 .recalc = &followparent_recalc,
2143};
2144
2082/* CAM */ 2145/* CAM */
2083 2146
2084static struct clk cam_mclk = { 2147static struct clk cam_mclk = {
@@ -2118,7 +2181,7 @@ static struct clk csi2_96m_fck = {
2118 2181
2119static struct clk usbhost_120m_fck = { 2182static struct clk usbhost_120m_fck = {
2120 .name = "usbhost_120m_fck", 2183 .name = "usbhost_120m_fck",
2121 .ops = &clkops_omap2_dflt_wait, 2184 .ops = &clkops_omap2_dflt,
2122 .parent = &dpll5_m2_ck, 2185 .parent = &dpll5_m2_ck,
2123 .init = &omap2_init_clk_clkdm, 2186 .init = &omap2_init_clk_clkdm,
2124 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN), 2187 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
@@ -2129,7 +2192,7 @@ static struct clk usbhost_120m_fck = {
2129 2192
2130static struct clk usbhost_48m_fck = { 2193static struct clk usbhost_48m_fck = {
2131 .name = "usbhost_48m_fck", 2194 .name = "usbhost_48m_fck",
2132 .ops = &clkops_omap2_dflt_wait, 2195 .ops = &clkops_omap3430es2_dss_usbhost_wait,
2133 .parent = &omap_48m_fck, 2196 .parent = &omap_48m_fck,
2134 .init = &omap2_init_clk_clkdm, 2197 .init = &omap2_init_clk_clkdm,
2135 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN), 2198 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
@@ -2141,7 +2204,7 @@ static struct clk usbhost_48m_fck = {
2141static struct clk usbhost_ick = { 2204static struct clk usbhost_ick = {
2142 /* Handles both L3 and L4 clocks */ 2205 /* Handles both L3 and L4 clocks */
2143 .name = "usbhost_ick", 2206 .name = "usbhost_ick",
2144 .ops = &clkops_omap2_dflt_wait, 2207 .ops = &clkops_omap3430es2_dss_usbhost_wait,
2145 .parent = &l4_ick, 2208 .parent = &l4_ick,
2146 .init = &omap2_init_clk_clkdm, 2209 .init = &omap2_init_clk_clkdm,
2147 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), 2210 .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN),