Re: [PATCH v8 15/18] ARM: STi: DT: STiH407: Add uniperif reader dt nodes

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On Fri, 26 Aug 2016, Peter Griffin wrote:

> This patch adds the DT node for the uniperif reader
> IP block found on STiH407 family silicon.
> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
> Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> ---
>  arch/arm/boot/dts/stih407-family.dtsi | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
> index d263c96..bdddf2c 100644
> --- a/arch/arm/boot/dts/stih407-family.dtsi
> +++ b/arch/arm/boot/dts/stih407-family.dtsi
> @@ -956,5 +956,31 @@
>  			st,version = <5>;
>  			st,mode = "SPDIF";
>  		};
> +
> +		sti_uni_reader0: sti-uni-reader@0 {
> +			compatible = "st,sti-uni-reader";
> +			status = "disabled";

I find it's normally nicer to place the status of the node at the
bottom, separated by a '\n'.  There isn't a functional difference
admittedly, but it would be my preference, since it's not describing
the device per se.

> +			#sound-dai-cells = <0>;
> +			st,syscfg = <&syscfg_core>;
> +			reg = <0x8D83000 0x158>;

We usually use lower-case for the address.

Since this has a 'reg' property, the '0' in the node name does not
look appropriate.

> +			interrupts = <GIC_SPI 87 IRQ_TYPE_NONE>;
> +			dmas = <&fdma0 5 0 1>;
> +			dma-names = "rx";
> +			dai-name = "Uni Reader #0 (PCM IN)";

Oooo, not seen something like this before.

If it does not already have one, it would require a DT Ack.

> +			st,version = <3>;

This will likely need a DT Ack too.  We usually encode this sort of
information in the compatible string.

> +		};
> +
> +		sti_uni_reader1: sti-uni-reader@1 {
> +			compatible = "st,sti-uni-reader";
> +			status = "disabled";
> +			#sound-dai-cells = <0>;
> +			st,syscfg = <&syscfg_core>;
> +			reg = <0x8D84000 0x158>;
> +			interrupts = <GIC_SPI 88 IRQ_TYPE_NONE>;
> +			dmas = <&fdma0 6 0 1>;
> +			dma-names = "rx";
> +			dai-name = "Uni Reader #1 (HDMI RX)";
> +			st,version = <3>;
> +		};

All as above.

>  	};
>  };

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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