diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices-da8xx.c')
| -rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index c2457b3fdb5f..7cf529ffbe5a 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -24,6 +24,7 @@ #include <mach/common.h> #include <mach/time.h> #include <mach/da8xx.h> +#include <mach/clock.h> #include "cpuidle.h" #include "sram.h" @@ -1023,6 +1024,28 @@ int __init da8xx_register_spi_bus(int instance, unsigned num_chipselect) } #ifdef CONFIG_ARCH_DAVINCI_DA850 +static struct clk sata_refclk = { + .name = "sata_refclk", + .set_rate = davinci_simple_set_rate, +}; + +static struct clk_lookup sata_refclk_lookup = + CLK("ahci_da850", "refclk", &sata_refclk); + +int __init da850_register_sata_refclk(int rate) +{ + int ret; + + sata_refclk.rate = rate; + ret = clk_register(&sata_refclk); + if (ret) + return ret; + + clkdev_add(&sata_refclk_lookup); + + return 0; +} + static struct resource da850_sata_resources[] = { { .start = DA850_SATA_BASE, @@ -1055,8 +1078,11 @@ static struct platform_device da850_sata_device = { int __init da850_register_sata(unsigned long refclkpn) { - /* please see comment in drivers/ata/ahci_da850.c */ - BUG_ON(refclkpn != 100 * 1000 * 1000); + int ret; + + ret = da850_register_sata_refclk(refclkpn); + if (ret) + return ret; return platform_device_register(&da850_sata_device); } |