linux-kernel - Re: [PATCH 1/5] arm64: dts: qcom: Add base SM4450 DTSI

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Message-ID: <f181b6e1-bedd-68fe-be53-93cf10960d9d@quicinc.com>
Date:   Fri, 21 Jul 2023 10:03:25 +0800
From:   Tengfei Fan <quic_tengfan@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>, <andersson@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>
CC:     <quic_tsoni@...cinc.com>, <quic_shashim@...cinc.com>,
        <quic_kaushalk@...cinc.com>, <quic_tdas@...cinc.com>,
        <quic_tingweiz@...cinc.com>, <quic_aiquny@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/5] arm64: dts: qcom: Add base SM4450 DTSI



在 7/20/2023 3:54 PM, Konrad Dybcio 写道:
> On 19.07.2023 12:01, Tengfei Fan wrote:
>> This add based DTSI for SM4450 SoC and includes base description of
>> CPUs and interrupt-controller which helps to boot to shell with
>> console on boards with this SoC.
>>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
> [...]
> 
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/gpio/gpio.h>
> Please sort them alphabetically
V2 patch will resort them.
> 
>> +
>> +/ {
>> +	interrupt-parent = <&intc>;
>> +
> [...]
> 
>> +	cpus {
>> +		#address-cells = <2>;
>> +		#size-cells = <0>;
>> +
>> +		CPU0: cpu@0 {
>> +			device_type = "cpu";
>> +			compatible = "qcom,kryo";
> Please post dmesg | grep '\[', this is probably a standard ARM core.
sure, will do and update this compatible.
> 
>> +			reg = <0x0 0x0>;
>> +			enable-method = "psci";
>> +			next-level-cache = <&L2_0>;
>> +			power-domains = <&CPU_PD0>;
>> +			power-domain-names = "psci";
>> +			#cooling-cells = <2>;
>> +			L2_0: l2-cache {
> Missing a newline before subnodes
V2 patch will add newline.
> 
>> +				compatible = "cache";
>> +				cache-level = <2>;
>> +				cache-unified;
>> +				next-level-cache = <&L3_0>;
>> +				L3_0: l3-cache {
> Ditto
V2 patch will add newline.
> 
>> +					compatible = "cache";
>> +					cache-level = <3>;
>> +					cache-unified;
>> +				};
>> +			};
>> +		};
> [...]
> 
>> +
>> +		intc: interrupt-controller@...00000 {
>> +			compatible = "arm,gic-v3";
>> +			#interrupt-cells = <3>;
>> +			interrupt-controller;
>> +			#redistributor-regions = <1>;
>> +			redistributor-stride = <0x0 0x20000>;
>> +			reg = <0x0 0x17200000 0x0 0x10000>,     /* GICD */
>> +				<0x0 0x17260000 0x0 0x100000>;    /* GICR * 8 */
> Misasligned
V2 patch will align.
> 
> also, please move reg and interrupts after compatible
V2 patch will resort.
> 
>> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
>> +		};
>> +
>> +		timer@...20000 {
>> +			compatible = "arm,armv7-timer-mem";
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges = <0 0 0 0x20000000>;
>> +			reg = <0x0 0x17420000 0x0 0x1000>;
>> +			clock-frequency = <19200000>;
> Drop clock-frequency
V2 patch will Drop this clock-frequency node.
> 
> [...]
> 
>> +	timer {
>> +		compatible = "arm,armv8-timer";
>> +		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>> +				<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>> +				<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>> +				<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
> Misaligned
V2 patch will align.
> 
>> +		clock-frequency = <19200000>;
> Drop
V2 patch will drop.
> 
> Konrad
>> +	};
>> +};

-- 
Thx and BRs,
Tengfei Fan