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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-11 09:44:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-11 09:44:19 -0800 |
| commit | c0f607c608ba889db5250235ba620f818aa44a4d (patch) | |
| tree | b3802cae458d0c3d413425642b8e3c90aa24a5ee /arch/arm/mach-omap2/opp2420_data.c | |
| parent | 598cace09645fc10f8150e4adc982922cbd214ed (diff) | |
| parent | 27dba4bcf87494e2909f6b0035f0a9a038e80f83 (diff) | |
Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (26 commits)
OMAP2 clock: dynamically allocate CPUFreq frequency table
OMAP clock/CPUFreq: add clk_exit_cpufreq_table()
OMAP2xxx OPP: clean up comments in OPP data
OMAP2xxx clock: clk2xxx.c doesn't compile if CPUFREQ is enabled
OMAP1 clock: remove __initdata from struct clk_functions to prevent crash
OMAP1 clock: Add missing clocks for OMAP 7xx
OMAP clock: remove incorrect EXPORT_SYMBOL()s
OMAP3 clock: Add capability to change rate of dpll4_m5_ck
OMAP3 clock: McBSP 2, 3, 4 functional clock parent is PER_96M_FCLK, not CORE_96M_FCLK
OMAP3: clock: add clockdomains for UART1 & 2
OMAP2420 IO mapping: move IVA mapping virtual address out of vmalloc space
OMAP2xxx IO mapping: mark DSP mappings as being 2420-only
ARM: OMAP3: PM: Fix the Invalid CM_CLKSTCTRL reg access.
OMAP2: remove duplicated #include
omap3: EVM: Choose OMAP_PACKAGE_CBB
omap3: Fix booting if package is uninitialized
omap3: add missing parentheses
omap3: add missing parentheses
omap2/3: ZOOM: Correcting key mapping for few keys
omap2/3: make serial_in_override() address the right uart port
...
Diffstat (limited to 'arch/arm/mach-omap2/opp2420_data.c')
| -rw-r--r-- | arch/arm/mach-omap2/opp2420_data.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c index 126a9396b3a..e6dda694fd5 100644 --- a/arch/arm/mach-omap2/opp2420_data.c +++ b/arch/arm/mach-omap2/opp2420_data.c @@ -9,45 +9,47 @@ * The OMAP2 processor can be run at several discrete 'PRCM configurations'. * These configurations are characterized by voltage and speed for clocks. * The device is only validated for certain combinations. One way to express - * these combinations is via the 'ratio's' which the clocks operate with + * these combinations is via the 'ratios' which the clocks operate with * respect to each other. These ratio sets are for a given voltage/DPLL - * setting. All configurations can be described by a DPLL setting and a ratio - * There are 3 ratio sets for the 2430 and X ratio sets for 2420. - * - * 2430 differs from 2420 in that there are no more phase synchronizers used. - * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs - * 2430 (iva2.1, NOdsp, mdm) + * setting. All configurations can be described by a DPLL setting and a ratio. * * XXX Missing voltage data. + * XXX Missing 19.2MHz sys_clk rate sets (needed for N800/N810) * * THe format described in this file is deprecated. Once a reasonable * OPP API exists, the data in this file should be converted to use it. * * This is technically part of the OMAP2xxx clock code. + * + * Considerable work is still needed to fully support dynamic frequency + * changes on OMAP2xxx-series chips. Readers interested in such a + * project are encouraged to review the Maemo Diablo RX-34 and RX-44 + * kernel source at: + * http://repository.maemo.org/pool/diablo/free/k/kernel-source-diablo/ */ #include "opp2xxx.h" #include "sdrc.h" #include "clock.h" -/*------------------------------------------------------------------------- - * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated. +/* + * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated. * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU, * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL, * CM_CLKSEL2_PLL, CM_CLKSEL_MDM * - * Filling in table based on H4 boards and 2430-SDPs variants available. - * There are quite a few more rates combinations which could be defined. + * Filling in table based on H4 boards available. There are quite a + * few more rate combinations which could be defined. * - * When multiple values are defined the start up will try and choose the - * fastest one. If a 'fast' value is defined, then automatically, the /2 - * one should be included as it can be used. Generally having more that - * one fast set does not make sense, as static timings need to be changed - * to change the set. The exception is the bypass setting which is - * availble for low power bypass. + * When multiple values are defined the start up will try and choose + * the fastest one. If a 'fast' value is defined, then automatically, + * the /2 one should be included as it can be used. Generally having + * more than one fast set does not make sense, as static timings need + * to be changed to change the set. The exception is the bypass + * setting which is available for low power bypass. * * Note: This table needs to be sorted, fastest to slowest. - *-------------------------------------------------------------------------*/ + **/ const struct prcm_config omap2420_rate_table[] = { /* PRCM I - FAST */ {S12M, S660M, S330M, RI_CM_CLKSEL_MPU_VAL, /* 330MHz ARM */ |
