linux-kernel - Re: [PATCH 1/4] ARM: dts: dra7: add entry for bb2d module

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Date:   Mon, 20 Sep 2021 16:13:46 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Gowtham Tammana <g-tammana@...com>,
        Jyri Sarha <jsarha@...com>
Subject: Re: [PATCH 1/4] ARM: dts: dra7: add entry for bb2d module

On 20/09/2021 15:37, Tony Lindgren wrote:
> Hi,
> 
> * Neil Armstrong <narmstrong@...libre.com> [210920 12:53]:
>> --- a/arch/arm/boot/dts/dra7.dtsi
>> +++ b/arch/arm/boot/dts/dra7.dtsi
>> @@ -965,6 +965,26 @@ hdmi: encoder@0 {
>>  			};
>>  		};
>>  
>> +		target-module@...00000 {
>> +			compatible = "ti,sysc-omap4", "ti,sysc";
>> +			reg = <0x59000020 0x4>;
>> +			reg-names = "rev";
>> +			clocks = <&dss_clkctrl DRA7_DSS_BB2D_CLKCTRL 0>;
>> +			clock-names = "fck";
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges = <0x0 0x59000000 0x1000>;
>> +
>> +			bb2d: gpu@0 {
>> +				compatible = "vivante,gc";
>> +				reg = <0x0 0x0700>;
>> +				interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
>> +				clocks = <&dss_clkctrl DRA7_BB2D_CLKCTRL 0>;
>> +				clock-names = "core";
>> +				status = "disabled";
>> +			};
>> +		};
>> +
>>  		aes1_target: target-module@...00000 {
>>  			compatible = "ti,sysc-omap2", "ti,sysc";
>>  			reg = <0x4b500080 0x4>,
> 
> How about just use the default for the bb2d node with is "okay"?
> That way there's no need set status = "okay" for each board file.
> 
> If there is no driver loaded, we idle the target-module anyways.

Yes you're right, I'll resend only this patch with no status property on bb2d node.

thanks,
Neil

> 
> Regards,
> 
> Tony
>