linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <d536bbf0-4e8a-424b-b885-a22870bfbf31@quicinc.com>
Date: Thu, 26 Dec 2024 15:03:46 +0800
From: Yongxing Mou <quic_yongmou@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Ritesh Kumar <quic_riteshk@...cinc.com>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: qcs8300: add DisplayPort device
 nodes



On 2024/12/6 5:36, Konrad Dybcio wrote:
> On 27.11.2024 11:45 AM, Yongxing Mou wrote:
>> Add device tree nodes for the DPTX0 controller with their
>> corresponding PHYs found on Qualcomm QCS8300 SoC.
>>
>> Signed-off-by: Yongxing Mou <quic_yongmou@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/qcs8300.dtsi | 115 +++++++++++++++++++++++++++++++++-
>>   1 file changed, 114 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
>> index 1642e2863affd5af0b4f68118a47b7a74b76df95..28deba0a389641b4dddbf4505d6f44c6607aa03b 100644
>> --- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
>> @@ -987,6 +987,19 @@ mdss_mdp: display-controller@...1000 {
>>   				interrupt-parent = <&mdss>;
>>   				interrupts = <0>;
>>   
>> +				ports {
>> +					#address-cells = <1>;
>> +					#size-cells = <0>;
>> +
>> +					port@0 {
>> +						reg = <0>;
>> +
>> +						dpu_intf0_out: endpoint {
>> +							remote-endpoint = <&mdss_dp0_in>;
>> +						};
>> +					};
>> +				};
>> +
>>   				mdp_opp_table: opp-table {
>>   					compatible = "operating-points-v2";
>>   
>> @@ -1011,6 +1024,104 @@ opp-650000000 {
>>   					};
>>   				};
>>   			};
>> +
>> +			mdss_dp0_phy: phy@...2a00 {
>> +				compatible = "qcom,qcs8300-edp-phy";
>> +
>> +				reg = <0x0 0x0aec2a00 0x0 0x200>,
> 
> 0x19c
> 
got it.thanks.
>> +				      <0x0 0x0aec2200 0x0 0xd0>,
> 
> 0xec
got it.thanks.
>> +				      <0x0 0x0aec2600 0x0 0xd0>,
> 
> 0xec
> 
> For lengths
got it.thanks.
> 
>> +				      <0x0 0x0aec2000 0x0 0x1c8>;
> 
> This one's correct
> 
>> +
>> +				clocks = <&dispcc MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
>> +					 <&dispcc MDSS_DISP_CC_MDSS_AHB_CLK>;
>> +				clock-names = "aux",
>> +					      "cfg_ahb";
> 
> power-domains = <&rpmhpd RPMHPD_MX>;
> 
emm,we use RPMHPD_MMCX in qcs8300 mdss and dpu..
> (or maybe even MXC?)
> 
>> +
>> +				#clock-cells = <1>;
>> +				#phy-cells = <0>;
>> +
>> +				status = "disabled";
>> +			};
>> +
>> +			mdss_dp0: displayport-controller@...4000 {
>> +				compatible = "qcom,qcs8300-dp";
>> +
>> +				reg = <0x0 0x0af54000 0x0 0x104>,
> 0x200
> 
got it. thanks.
>> +				      <0x0 0x0af54200 0x0 0x0c0>,
> 0x200
> 
got it. thanks.
>> +				      <0x0 0x0af55000 0x0 0x770>,
> 0xc00
> 
got it. thanks.
>> +				      <0x0 0x0af56000 0x0 0x09c>;
> 0x400
> 
will modify all the length in patch v2.
> for lengths
> 
> Konrad