[PATCH 02/10] ARM: dts: sun9i: Add mmc module clock nodes for A80

Maxime Ripard maxime.ripard at free-electrons.com
Sat Dec 6 09:24:49 PST 2014


Hi,

On Wed, Dec 03, 2014 at 02:35:57PM +0800, Chen-Yu Tsai wrote:
> The mmc module clocks are A80 specific module 0 (storage) type clocks.
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> Signed-off-by: Andreas Färber <afaerber at suse.de>
> ---
>  arch/arm/boot/dts/sun9i-a80.dtsi | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
> index 494714f..33d18dc 100644
> --- a/arch/arm/boot/dts/sun9i-a80.dtsi
> +++ b/arch/arm/boot/dts/sun9i-a80.dtsi
> @@ -215,6 +215,38 @@
>  			clock-output-names = "cci400";
>  		};
>  
> +		mmc0_clk: clk at 06000410 {
> +			#clock-cells = <0>;
> +			compatible = "allwinner,sun9i-a80-mod0-clk";
> +			reg = <0x06000410 0x4>;
> +			clocks = <&osc24M>, <&pll4>;
> +			clock-output-names = "mmc0";
> +		};
> +
> +		mmc1_clk: clk at 06000414 {
> +			#clock-cells = <0>;
> +			compatible = "allwinner,sun9i-a80-mod0-clk";
> +			reg = <0x06000414 0x4>;
> +			clocks = <&osc24M>, <&pll4>;
> +			clock-output-names = "mmc1";
> +		};
> +
> +		mmc2_clk: clk at 06000418 {
> +			#clock-cells = <0>;
> +			compatible = "allwinner,sun9i-a80-mod0-clk";
> +			reg = <0x06000418 0x4>;
> +			clocks = <&osc24M>, <&pll4>;
> +			clock-output-names = "mmc2";
> +		};
> +
> +		mmc3_clk: clk at 0600041c {
> +			#clock-cells = <0>;
> +			compatible = "allwinner,sun9i-a80-mod0-clk";
> +			reg = <0x0600041c 0x4>;
> +			clocks = <&osc24M>, <&pll4>;
> +			clock-output-names = "mmc3";
> +		};
> +

How is the phase stuff supposed to work? Is this still used on the A80?

Also, wasn't the mux supposed to have 4 bits (so something like at
least 9 parent clocks?) given your previous patch?

Maxime

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