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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 18:40:55 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 18:40:55 -0400
commit85b375a613085b78531ec86369a51c2f3b922f95 (patch)
tree716437d598de92bbd7acaf24622e9a7d74fc209a /include/asm-arm/arch-omap/clock.h
parentec965350bb98bd291eb34f6ecddfdcfc36da1e6e (diff)
parentcf816ecb533ab96b883dfdc0db174598b5b5c4d2 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (212 commits) [ARM] pxa: Phycore pcm-990-specific code for the PXA270 Quick Capture driver [ARM] pxa: V4L2 soc_camera driver for PXA270 [ARM] pxa: restrict availability of pxa2xx PCMCIA drivers [ARM] 5005/1: BAST: Fix kset_name initialiser [ARM] 4967/1: Adds functions to set clkout rate for Samsung S3C2410 [ARM] 4988/1: Add GPIO lib support to the EP93xx [ARM] Add initial sparsemem support [ARM] pxa: initialise PXA devices before platform init code [ARM] 5002/1: tosa: add two more leds [ARM] 5004/1: Tosa: make several unreferenced structures static. [ARM] 5003/1: Shut up sparse warnings [ARM] 4977/2: soc - pxa2xx-ac97 - Add missing clk_enable() [ARM] 4976/1: zylonite: Configure GPIO for WM9713 IRQ line [ARM] 4974/1: Drop unused leds-tosa. [ARM] 4973/1: Tosa: use leds-gpio driver. [ARM] 4972/1: Tosa: convert scoop GPIOs usage to generic gpio code [ARM] 4971/1: pxaficp_ir: provide startup and shutdown hooks [ARM] pxa: lubbock: move mis-placed SPI info [ARM] 4970/1: tosa: correct gpio used for wake up. [ARM] 4966/1: magician: add MFP pin configuration ...
Diffstat (limited to 'include/asm-arm/arch-omap/clock.h')
-rw-r--r--include/asm-arm/arch-omap/clock.h75
1 files changed, 63 insertions, 12 deletions
diff --git a/include/asm-arm/arch-omap/clock.h b/include/asm-arm/arch-omap/clock.h
index fa6881049903..57523bdb642b 100644
--- a/include/asm-arm/arch-omap/clock.h
+++ b/include/asm-arm/arch-omap/clock.h
@@ -14,6 +14,35 @@
14#define __ARCH_ARM_OMAP_CLOCK_H 14#define __ARCH_ARM_OMAP_CLOCK_H
15 15
16struct module; 16struct module;
17struct clk;
18
19#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
20
21struct clksel_rate {
22 u8 div;
23 u32 val;
24 u8 flags;
25};
26
27struct clksel {
28 struct clk *parent;
29 const struct clksel_rate *rates;
30};
31
32struct dpll_data {
33 void __iomem *mult_div1_reg;
34 u32 mult_mask;
35 u32 div1_mask;
36# if defined(CONFIG_ARCH_OMAP3)
37 void __iomem *control_reg;
38 u32 enable_mask;
39 u8 auto_recal_bit;
40 u8 recal_en_bit;
41 u8 recal_st_bit;
42# endif
43};
44
45#endif
17 46
18struct clk { 47struct clk {
19 struct list_head node; 48 struct list_head node;
@@ -25,8 +54,6 @@ struct clk {
25 __u32 flags; 54 __u32 flags;
26 void __iomem *enable_reg; 55 void __iomem *enable_reg;
27 __u8 enable_bit; 56 __u8 enable_bit;
28 __u8 rate_offset;
29 __u8 src_offset;
30 __s8 usecount; 57 __s8 usecount;
31 void (*recalc)(struct clk *); 58 void (*recalc)(struct clk *);
32 int (*set_rate)(struct clk *, unsigned long); 59 int (*set_rate)(struct clk *, unsigned long);
@@ -34,6 +61,16 @@ struct clk {
34 void (*init)(struct clk *); 61 void (*init)(struct clk *);
35 int (*enable)(struct clk *); 62 int (*enable)(struct clk *);
36 void (*disable)(struct clk *); 63 void (*disable)(struct clk *);
64#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
65 u8 fixed_div;
66 void __iomem *clksel_reg;
67 u32 clksel_mask;
68 const struct clksel *clksel;
69 const struct dpll_data *dpll_data;
70#else
71 __u8 rate_offset;
72 __u8 src_offset;
73#endif
37}; 74};
38 75
39struct clk_functions { 76struct clk_functions {
@@ -54,10 +91,12 @@ extern int clk_init(struct clk_functions * custom_clocks);
54extern int clk_register(struct clk *clk); 91extern int clk_register(struct clk *clk);
55extern void clk_unregister(struct clk *clk); 92extern void clk_unregister(struct clk *clk);
56extern void propagate_rate(struct clk *clk); 93extern void propagate_rate(struct clk *clk);
94extern void recalculate_root_clocks(void);
57extern void followparent_recalc(struct clk * clk); 95extern void followparent_recalc(struct clk * clk);
58extern void clk_allow_idle(struct clk *clk); 96extern void clk_allow_idle(struct clk *clk);
59extern void clk_deny_idle(struct clk *clk); 97extern void clk_deny_idle(struct clk *clk);
60extern int clk_get_usecount(struct clk *clk); 98extern int clk_get_usecount(struct clk *clk);
99extern void clk_enable_init_clocks(void);
61 100
62/* Clock flags */ 101/* Clock flags */
63#define RATE_CKCTL (1 << 0) /* Main fixed ratio clocks */ 102#define RATE_CKCTL (1 << 0) /* Main fixed ratio clocks */
@@ -71,21 +110,33 @@ extern int clk_get_usecount(struct clk *clk);
71#define CLOCK_NO_IDLE_PARENT (1 << 8) 110#define CLOCK_NO_IDLE_PARENT (1 << 8)
72#define DELAYED_APP (1 << 9) /* Delay application of clock */ 111#define DELAYED_APP (1 << 9) /* Delay application of clock */
73#define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */ 112#define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */
74#define CM_MPU_SEL1 (1 << 11) /* Domain divider/source */ 113#define ENABLE_ON_INIT (1 << 11) /* Enable upon framework init */
75#define CM_DSP_SEL1 (1 << 12) 114#define INVERT_ENABLE (1 << 12) /* 0 enables, 1 disables */
76#define CM_GFX_SEL1 (1 << 13) 115/* bits 13-20 are currently free */
77#define CM_MODEM_SEL1 (1 << 14)
78#define CM_CORE_SEL1 (1 << 15) /* Sets divider for many */
79#define CM_CORE_SEL2 (1 << 16) /* sets parent for GPT */
80#define CM_WKUP_SEL1 (1 << 17)
81#define CM_PLL_SEL1 (1 << 18)
82#define CM_PLL_SEL2 (1 << 19)
83#define CM_SYSCLKOUT_SEL1 (1 << 20)
84#define CLOCK_IN_OMAP310 (1 << 21) 116#define CLOCK_IN_OMAP310 (1 << 21)
85#define CLOCK_IN_OMAP730 (1 << 22) 117#define CLOCK_IN_OMAP730 (1 << 22)
86#define CLOCK_IN_OMAP1510 (1 << 23) 118#define CLOCK_IN_OMAP1510 (1 << 23)
87#define CLOCK_IN_OMAP16XX (1 << 24) 119#define CLOCK_IN_OMAP16XX (1 << 24)
88#define CLOCK_IN_OMAP242X (1 << 25) 120#define CLOCK_IN_OMAP242X (1 << 25)
89#define CLOCK_IN_OMAP243X (1 << 26) 121#define CLOCK_IN_OMAP243X (1 << 26)
122#define CLOCK_IN_OMAP343X (1 << 27) /* clocks common to all 343X */
123#define PARENT_CONTROLS_CLOCK (1 << 28)
124#define CLOCK_IN_OMAP3430ES1 (1 << 29) /* 3430ES1 clocks only */
125#define CLOCK_IN_OMAP3430ES2 (1 << 30) /* 3430ES2 clocks only */
126
127/* Clksel_rate flags */
128#define DEFAULT_RATE (1 << 0)
129#define RATE_IN_242X (1 << 1)
130#define RATE_IN_243X (1 << 2)
131#define RATE_IN_343X (1 << 3) /* rates common to all 343X */
132#define RATE_IN_3430ES2 (1 << 4) /* 3430ES2 rates only */
133
134#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
135
136
137/* CM_CLKSEL2_PLL.CORE_CLK_SRC options (24XX) */
138#define CORE_CLK_SRC_32K 0
139#define CORE_CLK_SRC_DPLL 1
140#define CORE_CLK_SRC_DPLL_X2 2
90 141
91#endif 142#endif