[PATCH v2 4/5] ARM: dts: sun9i: Add A80 PRCM clocks and reset control nodes

Maxime Ripard
2015-05-04T13:05:46Z

On Fri, May 01, 2015 at 12:10:05AM +0800, Chen-Yu Tsai wrote:
> This adds the PRCM clocks and reset controls to the A80 dtsi.
>
> The list of apbs clock gates is incomplete. Tests show that bits 0~20
> are mutable. We will need documents from Allwinner to complete the
> support.
>
> Also update clock and reset phandles for r_uart.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
> arch/arm/boot/dts/sun9i-a80.dtsi | 64 +++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 63 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
> index d3dece2eea72..f0869ff8006f 100644
> --- a/arch/arm/boot/dts/sun9i-a80.dtsi
> +++ b/arch/arm/boot/dts/sun9i-a80.dtsi
> @@ -169,6 +169,14 @@
> "usb_phy2", "usb_hsic_12M";
> };
>
> + pll3: clk at 06000008 {
> + /* placeholder until implemented */
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-rate = <0>;
> + clock-output-names = "pll3";
> + };
> +
> pll4: clk at 0600000c {
> #clock-cells = <0>;
> compatible = "allwinner,sun9i-a80-pll4-clk";
> @@ -751,13 +759,67 @@
> interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + prcm at 08001400 {
> + compatible = "allwinner,sun9i-a80-prcm";
> + reg = <0x08001400 0x200>;
> +
> + cpus_clk: cpus_clk {

I wonder whether it would not be more readable to have this as
clk@<prcm_offset>, just like all the other clocks?

Maxime

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