diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-11-04 16:35:03 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-08 11:38:39 +0000 |
commit | 897dcded6fb6565f4d1c22a55d21f135403db132 (patch) | |
tree | da9c4028ed49a1482445131760b4fc45c6524abe /arch/arm/mach-omap2 | |
parent | 548d849574847b788fe846fe21a41386063be161 (diff) |
[ARM] omap: provide a NULL clock operations structure
... and use it for clocks which are ALWAYS_ENABLED. These clocks
use a non-NULL enable_reg pointer for other purposes (such as
selecting clock rates.)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/clock.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock24xx.h | 31 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock34xx.h | 85 |
3 files changed, 75 insertions, 45 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index d3213f565d5..fa99c0b71d3 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -271,7 +271,7 @@ int _omap2_clk_enable(struct clk *clk) { u32 regval32; - if (clk->flags & (ALWAYS_ENABLED | PARENT_CONTROLS_CLOCK)) + if (clk->flags & PARENT_CONTROLS_CLOCK) return 0; if (clk->ops && clk->ops->enable) @@ -301,7 +301,7 @@ void _omap2_clk_disable(struct clk *clk) { u32 regval32; - if (clk->flags & (ALWAYS_ENABLED | PARENT_CONTROLS_CLOCK)) + if (clk->flags & PARENT_CONTROLS_CLOCK) return; if (clk->ops && clk->ops->disable) { diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index 2aa0b5e6560..d4869377307 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -619,9 +619,10 @@ static struct prcm_config rate_table[] = { /* Base external input clocks */ static struct clk func_32k_ck = { .name = "func_32k_ck", + .ops = &clkops_null, .rate = 32000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES, + RATE_FIXED | RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &propagate_rate, }; @@ -639,18 +640,20 @@ static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */ /* Without modem likely 12MHz, with modem likely 13MHz */ static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */ .name = "sys_ck", /* ~ ref_clk also */ + .ops = &clkops_null, .parent = &osc_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | RATE_PROPAGATES, + RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &omap2_sys_clk_recalc, }; static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */ .name = "alt_ck", + .ops = &clkops_null, .rate = 54000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES, + RATE_FIXED | RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &propagate_rate, }; @@ -679,10 +682,11 @@ static struct dpll_data dpll_dd = { */ static struct clk dpll_ck = { .name = "dpll_ck", + .ops = &clkops_null, .parent = &sys_ck, /* Can be func_32k also */ .dpll_data = &dpll_dd, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - RATE_PROPAGATES | ALWAYS_ENABLED, + RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &omap2_dpllcore_recalc, .set_rate = &omap2_reprogram_dpllcore, @@ -751,9 +755,10 @@ static struct clk func_54m_ck = { static struct clk core_ck = { .name = "core_ck", + .ops = &clkops_null, .parent = &dpll_ck, /* can also be 32k */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | RATE_PROPAGATES, + RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -837,6 +842,7 @@ static struct clk func_12m_ck = { /* Secure timer, only available in secure mode */ static struct clk wdt1_osc_ck = { .name = "ck_wdt1_osc", + .ops = &clkops_null, /* RMK: missing? */ .parent = &osc_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .recalc = &followparent_recalc, @@ -996,9 +1002,10 @@ static const struct clksel mpu_clksel[] = { static struct clk mpu_ck = { /* Control cpu */ .name = "mpu_ck", + .ops = &clkops_null, .parent = &core_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | DELAYED_APP | + DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES, .clkdm_name = "mpu_clkdm", .init = &omap2_init_clksel_parent, @@ -1168,9 +1175,10 @@ static const struct clksel core_l3_clksel[] = { static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */ .name = "core_l3_ck", + .ops = &clkops_null, .parent = &core_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | DELAYED_APP | + DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES, .clkdm_name = "core_l3_clkdm", .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), @@ -1231,9 +1239,10 @@ static const struct clksel l4_clksel[] = { static struct clk l4_ck = { /* used both as an ick and fck */ .name = "l4_ck", + .ops = &clkops_null, .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES, + DELAYED_APP | RATE_PROPAGATES, .clkdm_name = "core_l4_clkdm", .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), .clksel_mask = OMAP24XX_CLKSEL_L4_MASK, @@ -2359,6 +2368,7 @@ static struct clk i2chs1_fck = { static struct clk gpmc_fck = { .name = "gpmc_fck", + .ops = &clkops_null, /* RMK: missing? */ .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ENABLE_ON_INIT, @@ -2368,6 +2378,7 @@ static struct clk gpmc_fck = { static struct clk sdma_fck = { .name = "sdma_fck", + .ops = &clkops_null, /* RMK: missing? */ .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .clkdm_name = "core_l3_clkdm", @@ -2376,6 +2387,7 @@ static struct clk sdma_fck = { static struct clk sdma_ick = { .name = "sdma_ick", + .ops = &clkops_null, /* RMK: missing? */ .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .clkdm_name = "core_l3_clkdm", @@ -2621,8 +2633,9 @@ static struct clk mmchsdb2_fck = { */ static struct clk virt_prcm_set = { .name = "virt_prcm_set", + .ops = &clkops_null, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | DELAYED_APP, + DELAYED_APP, .parent = &mpu_ck, /* Indexed by mpu speed, no parent */ .recalc = &omap2_table_mpu_recalc, /* sets are keyed on mpu rate */ .set_rate = &omap2_select_table_rate, diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index 8b188fb9bea..b56fd289762 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -55,66 +55,66 @@ static u32 omap3_dpll_autoidle_read(struct clk *clk); /* According to timer32k.c, this is a 32768Hz clock, not a 32000Hz clock. */ static struct clk omap_32k_fck = { .name = "omap_32k_fck", + .ops = &clkops_null, .rate = 32768, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk secure_32k_fck = { .name = "secure_32k_fck", + .ops = &clkops_null, .rate = 32768, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; /* Virtual source clocks for osc_sys_ck */ static struct clk virt_12m_ck = { .name = "virt_12m_ck", + .ops = &clkops_null, .rate = 12000000, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk virt_13m_ck = { .name = "virt_13m_ck", + .ops = &clkops_null, .rate = 13000000, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk virt_16_8m_ck = { .name = "virt_16_8m_ck", + .ops = &clkops_null, .rate = 16800000, - .flags = CLOCK_IN_OMAP3430ES2 | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP3430ES2 | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk virt_19_2m_ck = { .name = "virt_19_2m_ck", + .ops = &clkops_null, .rate = 19200000, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk virt_26m_ck = { .name = "virt_26m_ck", + .ops = &clkops_null, .rate = 26000000, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; static struct clk virt_38_4m_ck = { .name = "virt_38_4m_ck", + .ops = &clkops_null, .rate = 38400000, - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &propagate_rate, }; @@ -162,13 +162,13 @@ static const struct clksel osc_sys_clksel[] = { /* 12, 13, 16.8, 19.2, 26, or 38.4 MHz */ static struct clk osc_sys_ck = { .name = "osc_sys_ck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP3430_PRM_CLKSEL, .clksel_mask = OMAP3430_SYS_CLKIN_SEL_MASK, .clksel = osc_sys_clksel, /* REVISIT: deal with autoextclkmode? */ - .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES | - ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_FIXED | RATE_PROPAGATES, .recalc = &omap2_clksel_recalc, }; @@ -187,25 +187,28 @@ static const struct clksel sys_clksel[] = { /* Feeds DPLLs - divided first by PRM_CLKSRC_CTRL.SYSCLKDIV? */ static struct clk sys_ck = { .name = "sys_ck", + .ops = &clkops_null, .parent = &osc_sys_ck, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP3430_PRM_CLKSRC_CTRL, .clksel_mask = OMAP_SYSCLKDIV_MASK, .clksel = sys_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .recalc = &omap2_clksel_recalc, }; static struct clk sys_altclk = { .name = "sys_altclk", - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .ops = &clkops_null, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .recalc = &propagate_rate, }; /* Optional external clock input for some McBSPs */ static struct clk mcbsp_clks = { .name = "mcbsp_clks", - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .ops = &clkops_null, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .recalc = &propagate_rate, }; @@ -278,9 +281,10 @@ static struct dpll_data dpll1_dd = { static struct clk dpll1_ck = { .name = "dpll1_ck", + .ops = &clkops_null, .parent = &sys_ck, .dpll_data = &dpll1_dd, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .round_rate = &omap2_dpll_round_rate, .recalc = &omap3_dpll_recalc, }; @@ -398,9 +402,10 @@ static struct dpll_data dpll3_dd = { static struct clk dpll3_ck = { .name = "dpll3_ck", + .ops = &clkops_null, .parent = &sys_ck, .dpll_data = &dpll3_dd, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .round_rate = &omap2_dpll_round_rate, .recalc = &omap3_dpll_recalc, }; @@ -2266,9 +2271,10 @@ static struct clk gpt1_fck = { static struct clk wkup_32k_fck = { .name = "wkup_32k_fck", + .ops = &clkops_null, .init = &omap2_init_clk_clkdm, .parent = &omap_32k_fck, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2295,8 +2301,9 @@ static struct clk wdt2_fck = { static struct clk wkup_l4_ick = { .name = "wkup_l4_ick", + .ops = &clkops_null, .parent = &sys_ck, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2514,9 +2521,10 @@ static struct clk gpt9_fck = { static struct clk per_32k_alwon_fck = { .name = "per_32k_alwon_fck", + .ops = &clkops_null, .parent = &omap_32k_fck, .clkdm_name = "per_clkdm", - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .recalc = &followparent_recalc, }; @@ -2859,11 +2867,12 @@ static const struct clksel emu_src_clksel[] = { */ static struct clk emu_src_ck = { .name = "emu_src_ck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_MUX_CTRL_MASK, .clksel = emu_src_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2883,11 +2892,12 @@ static const struct clksel pclk_emu_clksel[] = { static struct clk pclk_fck = { .name = "pclk_fck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_CLKSEL_PCLK_MASK, .clksel = pclk_emu_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2906,11 +2916,12 @@ static const struct clksel pclkx2_emu_clksel[] = { static struct clk pclkx2_fck = { .name = "pclkx2_fck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_CLKSEL_PCLKX2_MASK, .clksel = pclkx2_emu_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2922,22 +2933,24 @@ static const struct clksel atclk_emu_clksel[] = { static struct clk atclk_fck = { .name = "atclk_fck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_CLKSEL_ATCLK_MASK, .clksel = atclk_emu_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk traceclk_src_fck = { .name = "traceclk_src_fck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_TRACE_MUX_CTRL_MASK, .clksel = emu_src_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2956,11 +2969,12 @@ static const struct clksel traceclk_clksel[] = { static struct clk traceclk_fck = { .name = "traceclk_fck", + .ops = &clkops_null, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), .clksel_mask = OMAP3430_CLKSEL_TRACECLK_MASK, .clksel = traceclk_clksel, - .flags = CLOCK_IN_OMAP343X | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X, .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2989,6 +3003,7 @@ static struct clk sr2_fck = { static struct clk sr_l4_ick = { .name = "sr_l4_ick", + .ops = &clkops_null, /* RMK: missing? */ .parent = &l4_ick, .flags = CLOCK_IN_OMAP343X, .clkdm_name = "core_l4_clkdm", @@ -3000,15 +3015,17 @@ static struct clk sr_l4_ick = { /* XXX This clock no longer exists in 3430 TRM rev F */ static struct clk gpt12_fck = { .name = "gpt12_fck", + .ops = &clkops_null, .parent = &secure_32k_fck, - .flags = CLOCK_IN_OMAP343X | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X, .recalc = &followparent_recalc, }; static struct clk wdt1_fck = { .name = "wdt1_fck", + .ops = &clkops_null, .parent = &secure_32k_fck, - .flags = CLOCK_IN_OMAP343X | ALWAYS_ENABLED, + .flags = CLOCK_IN_OMAP343X, .recalc = &followparent_recalc, }; |