linux-kernel - Re: [PATCH 12/17] arm64: dts: r8a77965: Populate the DU instance placeholder

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Message-ID: <d773d7b4-f600-6d8f-017c-2bf0b60ee4cb@ideasonboard.com>
Date:   Fri, 27 Apr 2018 17:34:20 +0100
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     linux-renesas-soc@...r.kernel.org,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 12/17] arm64: dts: r8a77965: Populate the DU instance
 placeholder

On 26/04/18 22:15, Laurent Pinchart wrote:
> Hi Kieran,
> 
> Thank you for the patch.
> 
> On Thursday, 26 April 2018 19:53:41 EEST Kieran Bingham wrote:
>> The DU entity node has been previously added but only as a placeholder.
>> Populate the node with the properties to use the device.
>>
>> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
>> ---
>>  arch/arm64/boot/dts/renesas/r8a77965.dtsi | 14 +++++++++++++-
>>  1 file changed, 13 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> b/arch/arm64/boot/dts/renesas/r8a77965.dtsi index
>> e92e6b03333a..8a40bba53027 100644
>> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> @@ -1106,9 +1106,21 @@
>>  		};
>>
>>  		du: display@...00000 {
>> +			compatible = "renesas,du-r8a77965";
>>  			reg = <0 0xfeb00000 0 0x80000>,
>>  			      <0 0xfeb90000 0 0x14>;
>> -			/* placeholder */
>> +			reg-names = "du", "lvds.0";
> 
> The LVDS encoder has been split to a separate node in current bindings. You 
> can remove the reg-names property and the second reg entry.

Done.

> 
>> +			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
>> +				     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
>> +				     <GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&cpg CPG_MOD 724>,
>> +				 <&cpg CPG_MOD 723>,
>> +				 <&cpg CPG_MOD 721>,
>> +				 <&cpg CPG_MOD 727>;
>> +			clock-names = "du.0", "du.1", "du.3", "lvds.0";
> 
> And you can remove the LVDS clock as well (from both clocks and clock-names).
> 
> With this fixed,
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Collected, thanks.

--
Kieran


> 
>> +			status = "disabled";
>> +
>> +			vsps = <&vspd0 0 &vspd1 0 &vspd0 1>;
>>
>>  			ports {
>>  				#address-cells = <1>;
>