[PATCH 3/3] ARM: sun8i: a83t: Add device node for PRCM

Maxime Ripard maxime.ripard at free-electrons.com
Mon May 29 00:58:33 PDT 2017


Hi,

On Fri, May 26, 2017 at 04:00:25PM +0800, Chen-Yu Tsai wrote:
> The A83T's PRCM has the same set of clocks and resets as the A64.
> However, a few dividers are different. And due to the lack of a low
> speed 32.768 kHz oscillator, a few of the clock parents are different.
> 
> The PRCM also has controls for various power domains. These are not
> supported yet, neither in software nor in the device tree binding.
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
>  arch/arm/boot/dts/sun8i-a83t.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index 1dc4cfe81534..8089f36deeff 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -270,5 +270,14 @@
>  			#interrupt-cells = <3>;
>  			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
>  		};
> +
> +		r_ccu: clock at 1f01400 {
> +			compatible = "allwinner,sun8i-a83t-r-ccu";
> +			reg = <0x01f01400 0x400>;
> +			clocks = <&osc24M>, <&osc16Md512>, <&osc16M>;

I applied patches 1 and 2, but that made me realise that the
pll-periph0 is also a parent and should be listed there.

Can you send a patch adjusting the binding documentation so that we
can have it in time for 4.12, and patches for the A64 / H3 DTSs ?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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