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sm501: add support for the SM502 programmable PLL

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SM502 has a programmable PLL which can provide the panel pixel clock instead
of the 288MHz and 336MHz PLLs.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ville Syrjala 2008-03-04 14:28:50 -08:00 • committed by Linus Torvalds
commit 3149be50d3
3 changed files with 133 additions and 36 deletions
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3
include/linux/sm501-regs.h
View file

@ -129,11 +129,14 @@
#define SM501_DEVICEID_SM501 (0x05010000)
#define SM501_DEVICEID_IDMASK (0xffff0000)
#define SM501_DEVICEID_REVMASK (0x000000ff)
#define SM501_PLLCLOCK_COUNT (0x000064)
#define SM501_MISC_TIMING (0x000068)
#define SM501_CURRENT_SDRAM_CLOCK (0x00006C)
#define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074)
/* GPIO base */
#define SM501_GPIO (0x010000)
#define SM501_GPIO_DATA_LOW (0x00)

3
include/linux/sm501.h
View file

@ -24,7 +24,8 @@ extern int sm501_unit_power(struct device *dev,
extern unsigned long sm501_set_clock(struct device *dev,
int clksrc, unsigned long freq);
extern unsigned long sm501_find_clock(int clksrc, unsigned long req_freq);
extern unsigned long sm501_find_clock(struct device *dev,
int clksrc, unsigned long req_freq);
/* sm501_misc_control
*