arm64: dts: qcom: qdu1000: Add LLCC/system-cache-controller node

Message ID 20230313071757.31533-1-quic_kbajaj@quicinc.com
State New
Headers
Series arm64: dts: qcom: qdu1000: Add LLCC/system-cache-controller node |

Commit Message

Komal Bajaj March 13, 2023, 7:17 a.m. UTC
  Add a DT node for Last level cache (aka. system cache) controller
which provides control over the last level cache present on QDU1000
and QRU1000 SoCs.

Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
---
 arch/arm64/boot/dts/qcom/qdu1000.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
  

Comments

Konrad Dybcio March 13, 2023, 8:32 a.m. UTC | #1
On 13.03.2023 08:17, Komal Bajaj wrote:
> Add a DT node for Last level cache (aka. system cache) controller
> which provides control over the last level cache present on QDU1000
> and QRU1000 SoCs.
> 
> Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qdu1000.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> index 801f090335a3..a4816a862344 100644
> --- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> @@ -1321,6 +1321,16 @@ gem_noc: interconnect@19100000 {
>  			qcom,bcm-voters = <&apps_bcm_voter>;
>  			#interconnect-cells = <2>;
>  		};
> +
> +		system-cache-controller@19200000 {
> +			compatible = "qcom,qdu1000-llcc";
> +			reg = <0 0x19200000 0 0xd80000>,
> +			      <0 0x1a200000 0 0x80000>,
> +			      <0 0x221c8128 0 0x4>;
> +			reg-names = "llcc_base", "llcc_broadcast_base", "multi_channel_register";
Please turn this into a vertical list, like you did with reg

> +			multi-ch-bit-off = <24 2>;
driver-specific properties generally go after the generic ones,
so swap this one with interrupts

Konrad
> +			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
> +		};
>  	};
>  
>  	arch_timer: timer {
  
Komal Bajaj March 13, 2023, 12:56 p.m. UTC | #2
On 3/13/2023 2:02 PM, Konrad Dybcio wrote:
>
> On 13.03.2023 08:17, Komal Bajaj wrote:
>> Add a DT node for Last level cache (aka. system cache) controller
>> which provides control over the last level cache present on QDU1000
>> and QRU1000 SoCs.
>>
>> Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/qdu1000.dtsi | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
>> index 801f090335a3..a4816a862344 100644
>> --- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
>> @@ -1321,6 +1321,16 @@ gem_noc: interconnect@19100000 {
>>   			qcom,bcm-voters = <&apps_bcm_voter>;
>>   			#interconnect-cells = <2>;
>>   		};
>> +
>> +		system-cache-controller@19200000 {
>> +			compatible = "qcom,qdu1000-llcc";
>> +			reg = <0 0x19200000 0 0xd80000>,
>> +			      <0 0x1a200000 0 0x80000>,
>> +			      <0 0x221c8128 0 0x4>;
>> +			reg-names = "llcc_base", "llcc_broadcast_base", "multi_channel_register";
> Please turn this into a vertical list, like you did with reg
>
>> +			multi-ch-bit-off = <24 2>;
> driver-specific properties generally go after the generic ones,
> so swap this one with interrupts
>
> Konrad

Thanks for your comments, will address these in the next version.

Thanks,
Komal

>> +			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
>> +		};
>>   	};
>>   
>>   	arch_timer: timer {
  

Patch

diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
index 801f090335a3..a4816a862344 100644
--- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
+++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
@@ -1321,6 +1321,16 @@  gem_noc: interconnect@19100000 {
 			qcom,bcm-voters = <&apps_bcm_voter>;
 			#interconnect-cells = <2>;
 		};
+
+		system-cache-controller@19200000 {
+			compatible = "qcom,qdu1000-llcc";
+			reg = <0 0x19200000 0 0xd80000>,
+			      <0 0x1a200000 0 0x80000>,
+			      <0 0x221c8128 0 0x4>;
+			reg-names = "llcc_base", "llcc_broadcast_base", "multi_channel_register";
+			multi-ch-bit-off = <24 2>;
+			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	arch_timer: timer {