Re: [PATCH 2/4] arm64: dts: rockchip: rk3399-pinephone-pro: DW9714 coil requires higher voltage

[David Heidelberg <david@ixit.cz>]

On 04/08/2026 09:39, Ondřej Jirman wrote:
> Hi,
> 
> On Sat, Aug 01, 2026 at 02:35:21AM +0200, David Heidelberg via B4 Relay wrote:
>> From: David Heidelberg <david@ixit.cz>
>>
>> By datasheet the VDD (in-kernel named vcc) range is between 2.3 to 4.3 V.
>> Usually it's around 2.8 V. Here it matches the avdd2v8_dvp.
>>
>> Fixes: 9336eb829a18 ("arm64: dts: rockchip: describe I2c Bus 1 and IMX258 world camera on PinePhone Pro")
>> Cc: stable@vger.kernel.org
>> Signed-off-by: David Heidelberg <david@ixit.cz>
>> ---
>>   arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
>> index d46cdfe3f7849..bde35d9b2263e 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
>> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
>> @@ -473,17 +473,17 @@ wcam_out: endpoint {
>>   			};
>>   		};
>>   	};
>>   
>>   	wcam_lens: camera-lens@c {
>>   		compatible = "dongwoon,dw9714";
>>   		reg = <0x0c>;
>>   		/* Same I2c bus as both cameras, depends on vcca1v8_codec for power. */
>> -		vcc-supply = <&vcc1v8_dvp>;
>> +		vcc-supply = <&avdd2v8_dvp>;
> 
> This does not match reality, schematic says it's VCC2V8_DVP:
> 
> 	https://xff.cz/dl/tmp/6253a0465329df41.png

Ahoj,

thanks for spotting this, since I know you have the device, would be too much to 
ask you to send standalone fix for PP Pro?

I would drop the change from the series.

David

P.S. I noticed I didn't mark this series RFC. Too late.

> 
> regards,
> 	o.
> 
>>   	};
>>   
>>   	ucam: camera@36 {
>>   		compatible = "ovti,ov8858";
>>   		reg = <0x36>;
>>   		clocks = <&cru SCLK_CIF_OUT>; /* MIPI_MCLK1, derived from CIF_CLK0 */
>>   		clock-names = "xvclk";
>>   		dovdd-supply = <&vcc1v8_dvp>;
>>
>> -- 
>> 2.53.0
>>
>>

-- 
David Heidelberg