[PATCH v2 7/7] ARM: dts: sun6i: Add required ahb1 clock parent and rates for dma controller
Maxime Ripard
maxime.ripard at free-electrons.com
Tue Sep 30 08:55:33 PDT 2014
On Sat, Sep 27, 2014 at 04:49:55PM +0800, Chen-Yu Tsai wrote:
> The DMA controller requires AHB1 bus clock to be clocked from PLL6.
>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
> arch/arm/boot/dts/sun6i-a31.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> index caf879d..d7845d3 100644
> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> @@ -353,6 +353,11 @@
> clocks = <&ahb1_gates 6>;
> resets = <&ahb1_rst 6>;
> #dma-cells = <1>;
> +
> + /* DMA controller requires AHB1 clocked from PLL6 */
> + assigned-clocks = <&ahb1>;
> + assigned-clock-parents = <&pll6 0>;
> + assigned-clock-rates = <200000000>;
Again, I don't think we need the rate change, and that it's the right
place to put it.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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