On Sat, Nov 30, 2013 at 07:59:58AM +0100, Michael Trimarchi wrote:
> This patch change the per_clocks_enable() function used in OMAP3
> code to enable peripherals clocks. Only required clock should be
> activated. So if the board use the uart(x) as a console we need
> to activate it. The Board's config should include define to enable
> every subsystem that the board use. For a complete list
> of affected peripherals, registers CM_FCLKEN_PER and CM_ICLKEN_PER
> should be checked.
> Right now the bootloader can enable and disable clocks for:
> uart(x) using CONFIG_SYS_NS16550
> gpio bank (x) using CONFIG_OMAP3_GPIO_X with X = { 2, 3, 4, 5, 6 }
> i2c bus using CONFIG_DRIVER_OMAP34XX_I2C.
>
> Not required gptimer(x) and mcbsp(x) for booting are disabled by default and
> are not supported by any define.
> Their activation need to included in the per_clocks_enable if the
> peripheral is included. Not booting board should enable the peripheral
> clock connected to their driver
>
> Signed-off-by: Michael Trimarchi <[email protected]>
> Cc: Igor Grinberg <[email protected]>
> Cc: Tom Rini <[email protected]>
> Acked-by: Igor Grinberg <[email protected]>Applied to u-boot-ti/master, thanks! -- Tom
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