[PATCH] arm64: dts: rockchip: assign clock rate for ACLK_VIO

Doug Anderson dianders at chromium.org
Sun Mar 11 19:14:42 PDT 2018


On Sun, Mar 11, 2018 at 6:50 PM, Shunqian Zheng <zhengsq at rock-chips.com> wrote:
> The ACLK_VIO is a parent clock used by a several children,
> its suggested clock rate is 400MHz. Right now it gets 400MHz
> because it sources from CPLL(800M) and divides by 2 after reset.
> It's good not to rely on default values like this, so let's
> explicitly set it.
> NOTE: it's expected that at least one board may override cru node and
> set the CPLL to 1.6 GHz. On that board it will be very important to be
> explicit about aclk-vio being 400 MHz.
> Signed-off-by: Shunqian Zheng <zhengsq at rock-chips.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 6 ++++--
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi     | 6 ++++--
>  2 files changed, 8 insertions(+), 4 deletions(-)

Reviewed-by: Douglas Anderson <dianders at chromium.org>

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