[U-Boot] [PATCH 4/8] rockchip: clk: rk3188: Allow configuration of the armclk

Simon Glass sjg at chromium.org
Sun Mar 26 02:42:39 UTC 2017


On 23 March 2017 at 21:27, Simon Glass <sjg at chromium.org> wrote:
> On 20 March 2017 at 05:40, Heiko Stuebner <heiko at sntech.de> wrote:
>> The armclk starts in slow mode (24MHz) on the rk3188, which makes the whole
>> startup take a lot of time. We therefore want to at least move to the safe
>> 600MHz value we can use with default pmic settings.
>> This is also the freqency the proprietary sdram-init leaves the cpu at.
>>
>> For boards that have pmic control later in u-boot, we also add the option
>> to set the maximum frequency of 1.6GHz, if they so desire.
>>
>> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
>> ---
>>  arch/arm/include/asm/arch-rockchip/cru_rk3188.h |  1 +
>>  drivers/clk/rockchip/clk_rk3188.c               | 63 +++++++++++++++++++++++++
>>  2 files changed, 64 insertions(+)
>
> Acked-by: Simon Glass <sjg at chromium.org>

Applied to u-boot-rockchip, thanks!


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