Re: [PATCH 2/3] clk: x86: add support for Lynxpoint LPSS clocks

[Mark Brown]

On Mon, Jan 14, 2013 at 04:46:27PM +0200, Mika Westerberg wrote:
> Intel Lynxpoint Low Power Subsystem hosts peripherals like UART, I2C and
> SPI controllers. For most of these there is a configuration register that
> allows software to enable and disable the functional clock. Disabling the
> clock while the peripheral is not used saves power.
> 
> In order to take advantage of this we add a new clock gate of type
> 'lpss_gate' that just re-uses the ordinary clk_gate but in addition is able
> to enumerate the base address register of the device using ACPI.
> 
> We then create a clock tree that models the Lynxpoint LPSS clocks using
> these gates and fixed clocks so that we can pass clock rate to the drivers
> as well.

Reviewed-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/