[PATCH v2 1/4] ARM: dts: davinci: da850: VPIF: add node and muxing

Kevin Hilman khilman at baylibre.com
Wed Dec 7 15:15:19 PST 2016


Laurent Pinchart <laurent.pinchart at ideasonboard.com> writes:

> Hi Kevin,
>
> Thank you for the patch.
>
> On Wednesday 07 Dec 2016 11:31:34 Kevin Hilman wrote:
>> Add VPIF node an pins to da850 and enable on boards.  VPIF has two input
>> channels described using the standard DT ports and enpoints.
>> 
>> Signed-off-by: Kevin Hilman <khilman at baylibre.com>
>> ---
>>  arch/arm/boot/dts/da850-evm.dts  |  6 ++++++
>>  arch/arm/boot/dts/da850-lcdk.dts |  6 ++++++
>>  arch/arm/boot/dts/da850.dtsi     | 38 +++++++++++++++++++++++++++++++++++-
>>  3 files changed, 49 insertions(+), 1 deletion(-)
>> 
>> diff --git a/arch/arm/boot/dts/da850-evm.dts
>> b/arch/arm/boot/dts/da850-evm.dts index 41de15fe15a2..212b50d4f84b 100644
>> --- a/arch/arm/boot/dts/da850-evm.dts
>> +++ b/arch/arm/boot/dts/da850-evm.dts
>> @@ -289,3 +289,9 @@
>>  		};
>>  	};
>>  };
>> +
>> +&vpif {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&vpif_capture_pins>;
>> +       status = "okay";
>> +};
>> diff --git a/arch/arm/boot/dts/da850-lcdk.dts
>> b/arch/arm/boot/dts/da850-lcdk.dts index 7b8ab21fed6c..67f846f5bb35 100644
>> --- a/arch/arm/boot/dts/da850-lcdk.dts
>> +++ b/arch/arm/boot/dts/da850-lcdk.dts
>> @@ -219,3 +219,9 @@
>>  		};
>>  	};
>>  };
>> +
>> +&vpif {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&vpif_capture_pins>;
>> +       status = "okay";
>> +};
>> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
>> index f79e1b91c680..dd2a13ed106e 100644
>> --- a/arch/arm/boot/dts/da850.dtsi
>> +++ b/arch/arm/boot/dts/da850.dtsi
>> @@ -186,7 +186,18 @@
>>  					0xc 0x88888888 0xffffffff
>> 
>>  				>;
>> 
>>  			};
>> -
>> +			vpif_capture_pins: vpif_capture_pins {
>> +				pinctrl-single,bits = <
>> +					/* VP_DIN[2..7], VP_CLKIN1, VP_CLKIN0 
> */
>> +					0x38 0x11111111 0xffffffff
>> +					/* VP_DIN[10..15,0..1] */
>> +					0x3c 0x11111111 0xffffffff
>> +					/* VP_DIN[8..9] */
>> +					0x40 0x00000011 0x000000ff
>> +					/* VP_CLKIN3, VP_CLKIN2 */
>> +					0x4c 0x00010100 0x000f0f00
>> +				>;
>> +			};
>>  		};
>>  		edma0: edma at 0 {
>>  			compatible = "ti,edma3-tpcc";
>> @@ -399,7 +410,32 @@
>>  				<&edma0 0 1>;
>>  			dma-names = "tx", "rx";
>>  		};
>> +
>> +		vpif: video at 217000 {
>> +			compatible = "ti,da850-vpif";
>> +			reg = <0x217000 0x1000>;
>> +			interrupts = <92>;
>> +			status = "disabled";
>> +
>> +			/* VPIF capture: input channels */
>> +			port {
>> +				#address-cells = <1>;
>> +				#size-cells = <0>;
>> +
>> +				vpif_ch0: endpoint at 0 {
>> +					  reg = <0>;
>> +					  bus-width = <8>;
>> +				};
>> +
>> +				vpif_ch1: endpoint at 1 {
>> +					  reg = <1>;
>> +					  bus-width = <8>;
>> +					  data-shift = <8>;
>> +				};
>
> Given that the VPIF can also accept a single 16-bit input, I'd move the 
> endpoints to board files.
>

Yes, good point.  Will move them.

Kevin



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