From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Thu, 23 Mar 2017 21:27:57 -0600 Subject: [U-Boot] [PATCH 4/8] rockchip: clk: rk3188: Allow configuration of the armclk In-Reply-To: <20170320114036.21475-5-heiko@sntech.de> References: <20170320114036.21475-1-heiko@sntech.de> <20170320114036.21475-5-heiko@sntech.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 20 March 2017 at 05:40, Heiko Stuebner 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 > --- > 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