[PATCH 10/14] ARM: dts: sun8i-a83t: Add PRCM related clocks and resets

Chen-Yu Tsai wens at csie.org
Mon Feb 1 22:44:26 PST 2016


On Sun, Jan 31, 2016 at 9:21 AM, Vishnu Patekar
<vishnupatekar0510 at gmail.com> wrote:
> This adds A83T PRCM related clocks, clock resets.
>
> As a83t apb0 gates clock support is added earlier, this enables it.
> Apart from apb0 gates, other added clocks are compatible with
> earlier sun8i socs.
>
> Signed-off-by: Vishnu Patekar <vishnupatekar0510 at gmail.com>
> ---
>  arch/arm/boot/dts/sun8i-a83t.dtsi | 44 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index ac96aa1..5ea20ff 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -268,6 +268,44 @@
>                                              "mmc2_output",
>                                              "mmc2_sample";
>                 };
> +
> +               cpus_clk: clk at 01f01400 {
> +                       compatible = "allwinner,sun9i-a80-cpus-clk";
> +                       reg = <0x01f01400 0x4>;
> +                       #clock-cells = <0>;
> +                       clocks = <&osc16Md512>, <&osc24M>, <&pll6>, <&osc16M>;
> +                       clock-output-names = "cpus";
> +               };
> +
> +               ahb0: ahb0_clk {
> +                       compatible = "fixed-factor-clock";
> +                       #clock-cells = <0>;
> +                       clock-div = <1>;
> +                       clock-mult = <1>;
> +                       clocks = <&cpus_clk>;
> +                       clock-output-names = "ahb0";
> +               };
> +
> +               apb0: clk at 01f0140c {
> +                       compatible = "allwinner,sun8i-a23-apb0-clk";

This is actually wrong, as it is wrong in sun9i-a80.dtsi.
I've sent a patch series for it.

Also the drivers for "allwinner,sun9i-a80-cpus-clk" and
"allwinner,sun9i-a80-apbs-clk"
are only compiled for CONFIG_MACH_SUN9I. Please add a patch to address this.

Regards
ChenYu

> +                       reg = <0x01f0140c 0x4>;
> +                       #clock-cells = <0>;
> +                       clocks = <&ahb0>;
> +                       clock-output-names = "apb0";
> +               };
> +
> +               apb0_gates: clk at 01f01428 {
> +                       compatible = "allwinner,sun8i-a83t-apb0-gates-clk";
> +                       reg = <0x01f01428 0x4>;
> +                       #clock-cells = <1>;
> +                       clocks = <&apb0>;
> +                       clock-indices = <0>, <1>,
> +                                       <2>, <3>,
> +                                       <4>, <6>, <7>;
> +                       clock-output-names = "apb0_pio", "apb0_ir",
> +                                       "apb0_timer", "apb0_rsb",
> +                                       "apb0_uart", "apb0_i2c0", "apb0_twd";
> +               };
>         };
>
>         soc {
> @@ -434,5 +472,11 @@
>                         #interrupt-cells = <3>;
>                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
>                 };
> +
> +               apb0_reset: reset at 01f014b0 {
> +                       reg = <0x01f014b0 0x4>;
> +                       compatible = "allwinner,sun6i-a31-clock-reset";
> +                       #reset-cells = <1>;
> +               };
>         };
>  };
> --
> 1.9.1
>



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