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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 16:08:50 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 16:08:50 -0700 |
commit | 65a6ec0d72a07f16719e9b7a96e1c4bae044b591 (patch) | |
tree | 344e03a5039a44982c1b78d6113633b21b434820 /arch/arm/mach-omap1/clock.c | |
parent | 541010e4b8921cd781ff02ae68028501457045b6 (diff) | |
parent | 0181b61a988424b5cc44fe09e6968142359c815e (diff) | |
download | linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.tar.gz linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.tar.bz2 linux-65a6ec0d72a07f16719e9b7a96e1c4bae044b591.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits)
[ARM] 4578/1: CM-x270: PCMCIA support
[ARM] 4577/1: ITE 8152 PCI bridge support
[ARM] 4576/1: CM-X270 machine support
[ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()
[ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c
[ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c
[ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols
[ARM] pxa: PXA3xx base support
[NET] smc91x: fix PXA DMA support code
[SERIAL] Fix console initialisation ordering
[ARM] pxa: tidy up arch/arm/mach-pxa/Makefile
[ARM] Update arch/arm/Kconfig for drivers/Kconfig changes
[ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
[ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23)
[ARM] Rename consistent_sync() as dma_cache_maint()
[ARM] 4572/1: ep93xx: add cirrus logic edb9307 support
[ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support
[ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
[ARM] 4594/1: ns9xxx: use the new gpio functions
[ARM] 4593/1: ns9xxx: implement generic clockevents
...
Diffstat (limited to 'arch/arm/mach-omap1/clock.c')
-rw-r--r-- | arch/arm/mach-omap1/clock.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index f625f6dd228a..5d9faa68d2ec 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -49,6 +49,15 @@ static void omap1_uart_recalc(struct clk * clk) clk->rate = 12000000; } +static void omap1_sossi_recalc(struct clk *clk) +{ + u32 div = omap_readl(MOD_CONF_CTRL_1); + + div = (div >> 17) & 0x7; + div++; + clk->rate = clk->parent->rate / div; +} + static int omap1_clk_enable_dsp_domain(struct clk *clk) { int retval; @@ -396,6 +405,31 @@ static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate) return 0; } +static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate) +{ + u32 l; + int div; + unsigned long p_rate; + + p_rate = clk->parent->rate; + /* Round towards slower frequency */ + div = (p_rate + rate - 1) / rate; + div--; + if (div < 0 || div > 7) + return -EINVAL; + + l = omap_readl(MOD_CONF_CTRL_1); + l &= ~(7 << 17); + l |= div << 17; + omap_writel(l, MOD_CONF_CTRL_1); + + clk->rate = p_rate / (div + 1); + if (unlikely(clk->flags & RATE_PROPAGATES)) + propagate_rate(clk); + + return 0; +} + static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate) { return 96000000 / calc_ext_dsor(rate); |