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[1/5] arm64: dts: qcom: Add base SM4450 DTSI

Message ID 20230719100135.21325-2-quic_tengfan@quicinc.com
State Superseded
Headers show
Series soc: qcom: Add support for SM4450 | expand

Commit Message

Tengfei Fan July 19, 2023, 10:01 a.m. UTC
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@quicinc.com>
---
 arch/arm64/boot/dts/qcom/sm4450.dtsi | 435 +++++++++++++++++++++++++++
 1 file changed, 435 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/sm4450.dtsi

Comments

Dmitry Baryshkov July 19, 2023, 10:14 a.m. UTC | #1
On 19/07/2023 13:01, 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@quicinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sm4450.dtsi | 435 +++++++++++++++++++++++++++
>   1 file changed, 435 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/qcom/sm4450.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
> new file mode 100644
> index 000000000000..ab14aecbdcea
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
> @@ -0,0 +1,435 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +	interrupt-parent = <&intc>;
> +
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	chosen { };
> +
> +	clocks{
> +		xo_board: xo_board {

no underscores in node names.

> +			compatible = "fixed-clock";
> +			clock-frequency = <76800000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		sleep_clk: sleep_clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <32000>;
> +			#clock-cells = <0>;
> +		};
> +	};
> +
> +	cpus {
> +		#address-cells = <2>;
> +		#size-cells = <0>;
> +
> +		CPU0: cpu@0 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x0>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_0>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;

empty lines before child nodes, please (here and further in the patch).

> +			L2_0: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +				L3_0: l3-cache {
> +					compatible = "cache";
> +					cache-level = <3>;
> +					cache-unified;
> +				};
> +			};
> +		};
> +
> +		CPU1: cpu@100 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x100>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_100>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_100: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU2: cpu@200 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x200>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_200>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_200: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU3: cpu@300 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x300>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_300>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_300: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU4: cpu@400 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x400>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_400>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_400: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU5: cpu@500 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x500>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_500>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_500: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU6: cpu@600 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x600>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_600>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_600: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		CPU7: cpu@700 {
> +			device_type = "cpu";
> +			compatible = "qcom,kryo";
> +			reg = <0x0 0x700>;
> +			enable-method = "psci";
> +			next-level-cache = <&L2_700>;
> +			power-domains = <&CPU_PD0>;
> +			power-domain-names = "psci";
> +			#cooling-cells = <2>;
> +			L2_700: l2-cache {
> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +			};
> +		};
> +
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&CPU0>;
> +				};
> +
> +				core1 {
> +					cpu = <&CPU1>;
> +				};
> +
> +				core2 {
> +					cpu = <&CPU2>;
> +				};
> +
> +				core3 {
> +					cpu = <&CPU3>;
> +				};
> +
> +				core4 {
> +					cpu = <&CPU4>;
> +				};
> +
> +				core5 {
> +					cpu = <&CPU5>;
> +				};
> +			};
> +
> +			cluster1 {

If this SoC implements Dynamiq architecture, you don't need separate 
clusters.

> +				core6 {
> +					cpu = <&CPU6>;
> +				};
> +
> +				core7 {
> +					cpu = <&CPU7>;
> +				};
> +			};
> +		};
> +
> +		idle-states {
> +			entry-method = "psci";
> +
> +			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
> +				compatible = "arm,idle-state";
> +				idle-state-name = "silver-rail-power-collapse";
> +				arm,psci-suspend-param = <0x40000004>;
> +				entry-latency-us = <800>;
> +				exit-latency-us = <750>;
> +				min-residency-us = <4090>;
> +				local-timer-stop;
> +			};
> +
> +			BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
> +				compatible = "arm,idle-state";
> +				idle-state-name = "gold-rail-power-collapse";
> +				arm,psci-suspend-param = <0x40000004>;
> +				entry-latency-us = <600>;
> +				exit-latency-us = <1550>;
> +				min-residency-us = <4791>;
> +				local-timer-stop;
> +			};
> +		};
> +
> +		domain-idle-states {
> +			CLUSTER_SLEEP_0: cluster-sleep-0 {
> +				compatible = "domain-idle-state";
> +				arm,psci-suspend-param = <0x41000044>;
> +				entry-latency-us = <1050>;
> +				exit-latency-us = <2500>;
> +				min-residency-us = <5309>;
> +			};
> +
> +			CLUSTER_SLEEP_1: cluster-sleep-1 {
> +				compatible = "domain-idle-state";
> +				idle-state-name = "cluster-power-collapse";
> +				arm,psci-suspend-param = <0x41003344>;
> +				entry-latency-us = <1561>;
> +				exit-latency-us = <2801>;
> +				min-residency-us = <8550>;
> +			};
> +		};
> +	};
> +
> +	firmware {
> +		scm: scm {
> +			compatible = "qcom,scm-sm4450", "qcom,scm";
> +			#reset-cells = <1>;

Does the SCM need the core clock?

> +		};
> +	};
> +
> +	memory@a0000000 {
> +		device_type = "memory";
> +		/* We expect the bootloader to fill in the size */
> +		reg = <0x0 0xa0000000 0x0 0x0>;
> +	};
> +
> +	pmu {
> +		compatible = "arm,armv8-pmuv3";
> +		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
> +	psci {
> +		compatible = "arm,psci-1.0";
> +		method = "smc";
> +
> +		CPU_PD0: power-domain-cpu0 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD1: power-domain-cpu1 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD2: power-domain-cpu2 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD3: power-domain-cpu3 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD4: power-domain-cpu4 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD5: power-domain-cpu5 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD6: power-domain-cpu6 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
> +		};
> +
> +		CPU_PD7: power-domain-cpu7 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
> +		};
> +
> +		CLUSTER_PD: power-domain-cpu-cluster0 {
> +			#power-domain-cells = <0>;
> +			domain-idle-states = <&CLUSTER_SLEEP_0>, <&CLUSTER_SLEEP_1>;
> +		};
> +	};
> +
> +	soc: soc@0 {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges = <0 0 0 0 0x10 0>;
> +		dma-ranges = <0 0 0 0 0x10 0>;
> +		compatible = "simple-bus";
> +
> +		tcsr_mutex: hwlock@1f40000 {
> +			compatible = "qcom,tcsr-mutex";
> +			reg = <0x0 0x01f40000 0x0 0x40000>;
> +			#hwlock-cells = <1>;
> +		};
> +
> +		pdc: interrupt-controller@b220000 {
> +			compatible = "qcom,sm4450-pdc", "qcom,pdc";

Missing binding update

> +			reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
> +			qcom,pdc-ranges = <0 480 94>, <94 494 31>, <125 63 1>;
> +			#interrupt-cells = <2>;
> +			interrupt-parent = <&intc>;
> +			interrupt-controller;
> +		};
> +
> +		intc: interrupt-controller@17200000 {
> +			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 */

Please align vertically.

> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
> +		};
> +
> +		timer@17420000 {
> +			compatible = "arm,armv7-timer-mem";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0 0 0 0x20000000>;
> +			reg = <0x0 0x17420000 0x0 0x1000>;
> +			clock-frequency = <19200000>;
> +
> +			frame@17421000 {
> +				frame-number = <0>;
> +				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> +						<GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;

Please align vertically.

> +				reg = <0x17421000 0x1000>,
> +					<0x17422000 0x1000>;
> +			};
> +
> +			frame@17423000 {
> +				frame-number = <1>;
> +				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x17423000 0x1000>;
> +				status = "disabled";
> +			};
> +
> +			frame@17425000 {
> +				frame-number = <2>;
> +				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x17425000 0x1000>;
> +				status = "disabled";
> +			};
> +
> +			frame@17427000 {
> +				frame-number = <3>;
> +				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x17427000 0x1000>;
> +				status = "disabled";
> +			};
> +
> +			frame@17429000 {
> +				frame-number = <4>;
> +				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x17429000 0x1000>;
> +				status = "disabled";
> +			};
> +
> +			frame@1742b000 {
> +				frame-number = <5>;
> +				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x1742b000 0x1000>;
> +				status = "disabled";
> +			};
> +
> +			frame@1742d000 {
> +				frame-number = <6>;
> +				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> +				reg = <0x1742d000 0x1000>;
> +				status = "disabled";
> +			};
> +		};
> +	};
> +
> +	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)>,

Please align vertically.

> +				<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +				<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
> +		clock-frequency = <19200000>;
> +	};
> +};
Konrad Dybcio July 20, 2023, 7:54 a.m. UTC | #2
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@quicinc.com>
> ---
[...]

> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/gpio/gpio.h>
Please sort them alphabetically

> +
> +/ {
> +	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.

> +			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

> +				compatible = "cache";
> +				cache-level = <2>;
> +				cache-unified;
> +				next-level-cache = <&L3_0>;
> +				L3_0: l3-cache {
Ditto

> +					compatible = "cache";
> +					cache-level = <3>;
> +					cache-unified;
> +				};
> +			};
> +		};
[...]

> +
> +		intc: interrupt-controller@17200000 {
> +			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

also, please move reg and interrupts after compatible

> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
> +		};
> +
> +		timer@17420000 {
> +			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

[...]

> +	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

> +		clock-frequency = <19200000>;
Drop

Konrad
> +	};
> +};
Tengfei Fan July 21, 2023, 1:53 a.m. UTC | #3
在 7/19/2023 6:14 PM, Dmitry Baryshkov 写道:
> On 19/07/2023 13:01, 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@quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sm4450.dtsi | 435 +++++++++++++++++++++++++++
>>   1 file changed, 435 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/sm4450.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi 
>> b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> new file mode 100644
>> index 000000000000..ab14aecbdcea
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> @@ -0,0 +1,435 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights 
>> reserved.
>> + */
>> +
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +
>> +/ {
>> +    interrupt-parent = <&intc>;
>> +
>> +    #address-cells = <2>;
>> +    #size-cells = <2>;
>> +
>> +    chosen { };
>> +
>> +    clocks{
>> +        xo_board: xo_board {
> 
> no underscores in node names.
V2 patch will update "xo_board: xo_board" to "xo_board: xo-board", also 
"sleep_clk: sleep_clk" to "sleep_clk: sleep-clk".
> 
>> +            compatible = "fixed-clock";
>> +            clock-frequency = <76800000>;
>> +            #clock-cells = <0>;
>> +        };
>> +
>> +        sleep_clk: sleep_clk {
>> +            compatible = "fixed-clock";
>> +            clock-frequency = <32000>;
>> +            #clock-cells = <0>;
>> +        };
>> +    };
>> +
>> +    cpus {
>> +        #address-cells = <2>;
>> +        #size-cells = <0>;
>> +
>> +        CPU0: cpu@0 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x0>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_0>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
> 
> empty lines before child nodes, please (here and further in the patch).
sure, V2 patch will add empty lines before child nodes(this and other 
child nodes).
> 
>> +            L2_0: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +                L3_0: l3-cache {
>> +                    compatible = "cache";
>> +                    cache-level = <3>;
>> +                    cache-unified;
>> +                };
>> +            };
>> +        };
>> +
>> +        CPU1: cpu@100 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x100>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_100>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_100: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU2: cpu@200 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x200>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_200>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_200: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU3: cpu@300 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x300>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_300>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_300: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU4: cpu@400 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x400>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_400>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_400: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU5: cpu@500 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x500>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_500>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_500: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU6: cpu@600 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x600>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_600>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_600: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        CPU7: cpu@700 {
>> +            device_type = "cpu";
>> +            compatible = "qcom,kryo";
>> +            reg = <0x0 0x700>;
>> +            enable-method = "psci";
>> +            next-level-cache = <&L2_700>;
>> +            power-domains = <&CPU_PD0>;
>> +            power-domain-names = "psci";
>> +            #cooling-cells = <2>;
>> +            L2_700: l2-cache {
>> +                compatible = "cache";
>> +                cache-level = <2>;
>> +                cache-unified;
>> +                next-level-cache = <&L3_0>;
>> +            };
>> +        };
>> +
>> +        cpu-map {
>> +            cluster0 {
>> +                core0 {
>> +                    cpu = <&CPU0>;
>> +                };
>> +
>> +                core1 {
>> +                    cpu = <&CPU1>;
>> +                };
>> +
>> +                core2 {
>> +                    cpu = <&CPU2>;
>> +                };
>> +
>> +                core3 {
>> +                    cpu = <&CPU3>;
>> +                };
>> +
>> +                core4 {
>> +                    cpu = <&CPU4>;
>> +                };
>> +
>> +                core5 {
>> +                    cpu = <&CPU5>;
>> +                };
>> +            };
>> +
>> +            cluster1 {
> 
> If this SoC implements Dynamiq architecture, you don't need separate 
> clusters.
V2 patch will not separate clusters.
> 
>> +                core6 {
>> +                    cpu = <&CPU6>;
>> +                };
>> +
>> +                core7 {
>> +                    cpu = <&CPU7>;
>> +                };
>> +            };
>> +        };
>> +
>> +        idle-states {
>> +            entry-method = "psci";
>> +
>> +            LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
>> +                compatible = "arm,idle-state";
>> +                idle-state-name = "silver-rail-power-collapse";
>> +                arm,psci-suspend-param = <0x40000004>;
>> +                entry-latency-us = <800>;
>> +                exit-latency-us = <750>;
>> +                min-residency-us = <4090>;
>> +                local-timer-stop;
>> +            };
>> +
>> +            BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
>> +                compatible = "arm,idle-state";
>> +                idle-state-name = "gold-rail-power-collapse";
>> +                arm,psci-suspend-param = <0x40000004>;
>> +                entry-latency-us = <600>;
>> +                exit-latency-us = <1550>;
>> +                min-residency-us = <4791>;
>> +                local-timer-stop;
>> +            };
>> +        };
>> +
>> +        domain-idle-states {
>> +            CLUSTER_SLEEP_0: cluster-sleep-0 {
>> +                compatible = "domain-idle-state";
>> +                arm,psci-suspend-param = <0x41000044>;
>> +                entry-latency-us = <1050>;
>> +                exit-latency-us = <2500>;
>> +                min-residency-us = <5309>;
>> +            };
>> +
>> +            CLUSTER_SLEEP_1: cluster-sleep-1 {
>> +                compatible = "domain-idle-state";
>> +                idle-state-name = "cluster-power-collapse";
>> +                arm,psci-suspend-param = <0x41003344>;
>> +                entry-latency-us = <1561>;
>> +                exit-latency-us = <2801>;
>> +                min-residency-us = <8550>;
>> +            };
>> +        };
>> +    };
>> +
>> +    firmware {
>> +        scm: scm {
>> +            compatible = "qcom,scm-sm4450", "qcom,scm";
>> +            #reset-cells = <1>;
> 
> Does the SCM need the core clock?
V2 patch will remove this SCM node due to it haven't useful currently.
> 
>> +        };
>> +    };
>> +
>> +    memory@a0000000 {
>> +        device_type = "memory";
>> +        /* We expect the bootloader to fill in the size */
>> +        reg = <0x0 0xa0000000 0x0 0x0>;
>> +    };
>> +
>> +    pmu {
>> +        compatible = "arm,armv8-pmuv3";
>> +        interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
>> +    };
>> +
>> +    psci {
>> +        compatible = "arm,psci-1.0";
>> +        method = "smc";
>> +
>> +        CPU_PD0: power-domain-cpu0 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD1: power-domain-cpu1 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD2: power-domain-cpu2 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD3: power-domain-cpu3 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD4: power-domain-cpu4 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD5: power-domain-cpu5 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD6: power-domain-cpu6 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CPU_PD7: power-domain-cpu7 {
>> +            #power-domain-cells = <0>;
>> +            power-domains = <&CLUSTER_PD>;
>> +            domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +        };
>> +
>> +        CLUSTER_PD: power-domain-cpu-cluster0 {
>> +            #power-domain-cells = <0>;
>> +            domain-idle-states = <&CLUSTER_SLEEP_0>, <&CLUSTER_SLEEP_1>;
>> +        };
>> +    };
>> +
>> +    soc: soc@0 {
>> +        #address-cells = <2>;
>> +        #size-cells = <2>;
>> +        ranges = <0 0 0 0 0x10 0>;
>> +        dma-ranges = <0 0 0 0 0x10 0>;
>> +        compatible = "simple-bus";
>> +
>> +        tcsr_mutex: hwlock@1f40000 {
>> +            compatible = "qcom,tcsr-mutex";
>> +            reg = <0x0 0x01f40000 0x0 0x40000>;
>> +            #hwlock-cells = <1>;
>> +        };
>> +
>> +        pdc: interrupt-controller@b220000 {
>> +            compatible = "qcom,sm4450-pdc", "qcom,pdc";
> 
> Missing binding update
V2 patch will update binding.
> 
>> +            reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
>> +            qcom,pdc-ranges = <0 480 94>, <94 494 31>, <125 63 1>;
>> +            #interrupt-cells = <2>;
>> +            interrupt-parent = <&intc>;
>> +            interrupt-controller;
>> +        };
>> +
>> +        intc: interrupt-controller@17200000 {
>> +            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 */
> 
> Please align vertically.
V2 patch will align.
> 
>> +            interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
>> +        };
>> +
>> +        timer@17420000 {
>> +            compatible = "arm,armv7-timer-mem";
>> +            #address-cells = <1>;
>> +            #size-cells = <1>;
>> +            ranges = <0 0 0 0x20000000>;
>> +            reg = <0x0 0x17420000 0x0 0x1000>;
>> +            clock-frequency = <19200000>;
>> +
>> +            frame@17421000 {
>> +                frame-number = <0>;
>> +                interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
>> +                        <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> 
> Please align vertically.
V2 patch will align.
> 
>> +                reg = <0x17421000 0x1000>,
>> +                    <0x17422000 0x1000>;
>> +            };
>> +
>> +            frame@17423000 {
>> +                frame-number = <1>;
>> +                interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x17423000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +
>> +            frame@17425000 {
>> +                frame-number = <2>;
>> +                interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x17425000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +
>> +            frame@17427000 {
>> +                frame-number = <3>;
>> +                interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x17427000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +
>> +            frame@17429000 {
>> +                frame-number = <4>;
>> +                interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x17429000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +
>> +            frame@1742b000 {
>> +                frame-number = <5>;
>> +                interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x1742b000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +
>> +            frame@1742d000 {
>> +                frame-number = <6>;
>> +                interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
>> +                reg = <0x1742d000 0x1000>;
>> +                status = "disabled";
>> +            };
>> +        };
>> +    };
>> +
>> +    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)>,
> 
> Please align vertically.
V2 patch will align.
> 
>> +                <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | 
>> IRQ_TYPE_LEVEL_LOW)>,
>> +                <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | 
>> IRQ_TYPE_LEVEL_LOW)>;
>> +        clock-frequency = <19200000>;
>> +    };
>> +};
>
Tengfei Fan July 21, 2023, 1:59 a.m. UTC | #4
在 7/19/2023 6:22 PM, Krzysztof Kozlowski 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@quicinc.com>
> 
> Thank you for your patch. There is something to discuss/improve.
> 
> 
>> ---
>>   arch/arm64/boot/dts/qcom/sm4450.dtsi | 435 +++++++++++++++++++++++++++
>>   1 file changed, 435 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/sm4450.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> new file mode 100644
>> index 000000000000..ab14aecbdcea
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> @@ -0,0 +1,435 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +
>> +/ {
>> +	interrupt-parent = <&intc>;
>> +
>> +	#address-cells = <2>;
>> +	#size-cells = <2>;
>> +
>> +	chosen { };
>> +
>> +	clocks{
>> +		xo_board: xo_board {
> 
> Please start your work from scratch from mainline SoC, so we won't have
> to point you all these obvious issues which we fixed long time ago. Just
> pick the most recent SoC, like SM8550.
sure will pick like SM8550 and reference it.
> 
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <76800000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		sleep_clk: sleep_clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <32000>;
>> +			#clock-cells = <0>;
>> +		};
>> +	};
> 
> ...
> 
>> +		};
>> +	};
>> +
>> +	firmware {
>> +		scm: scm {
>> +			compatible = "qcom,scm-sm4450", "qcom,scm";
> 
> Undocumented compatible. If you plan to document it further, then please
> check if your patches are correctly ordered. Bindings are always before
> their users.
will remove this SCM node due to haven't use currently, and will check 
other undocumented compatible and document it.
> 
>> +			#reset-cells = <1>;
>> +		};
>> +	};
>> +
>> +	memory@a0000000 {
>> +		device_type = "memory";
>> +		/* We expect the bootloader to fill in the size */
>> +		reg = <0x0 0xa0000000 0x0 0x0>;
>> +	};
>> +
>> +	pmu {
>> +		compatible = "arm,armv8-pmuv3";
>> +		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
>> +	};
>> +
>> +	psci {
>> +		compatible = "arm,psci-1.0";
>> +		method = "smc";
>> +
>> +		CPU_PD0: power-domain-cpu0 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD1: power-domain-cpu1 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD2: power-domain-cpu2 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD3: power-domain-cpu3 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD4: power-domain-cpu4 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD5: power-domain-cpu5 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD6: power-domain-cpu6 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CPU_PD7: power-domain-cpu7 {
>> +			#power-domain-cells = <0>;
>> +			power-domains = <&CLUSTER_PD>;
>> +			domain-idle-states = <&BIG_CPU_SLEEP_0>;
>> +		};
>> +
>> +		CLUSTER_PD: power-domain-cpu-cluster0 {
>> +			#power-domain-cells = <0>;
>> +			domain-idle-states = <&CLUSTER_SLEEP_0>, <&CLUSTER_SLEEP_1>;
>> +		};
>> +	};
>> +
>> +	soc: soc@0 {
>> +		#address-cells = <2>;
>> +		#size-cells = <2>;
>> +		ranges = <0 0 0 0 0x10 0>;
>> +		dma-ranges = <0 0 0 0 0x10 0>;
>> +		compatible = "simple-bus";
>> +
>> +		tcsr_mutex: hwlock@1f40000 {
>> +			compatible = "qcom,tcsr-mutex";
>> +			reg = <0x0 0x01f40000 0x0 0x40000>;
>> +			#hwlock-cells = <1>;
>> +		};
>> +
>> +		pdc: interrupt-controller@b220000 {
>> +			compatible = "qcom,sm4450-pdc", "qcom,pdc";
>> +			reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
>> +			qcom,pdc-ranges = <0 480 94>, <94 494 31>, <125 63 1>;
>> +			#interrupt-cells = <2>;
>> +			interrupt-parent = <&intc>;
>> +			interrupt-controller;
>> +		};
>> +
>> +		intc: interrupt-controller@17200000 {
>> +			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 */
> 
> reg is always after compatible. Then ranges follow.
will update sequence.
> 
> Also, indentation looks not aligned here.
V2 patch will aligne.
> 
>> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
>> +		};
>> +
>> +		timer@17420000 {
>> +			compatible = "arm,armv7-timer-mem";
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges = <0 0 0 0x20000000>;
>> +			reg = <0x0 0x17420000 0x0 0x1000>;
> 
> Same problem... some weird ordering.
will update sequence.
> 
>> +			clock-frequency = <19200000>;
> 
> Are you sure this property is allowed in new designs?
will remove this property.
> 
>> +
>> +			frame@17421000 {
>> +				frame-number = <0>;
>> +				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
>> +						<GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x17421000 0x1000>,
>> +					<0x17422000 0x1000>;
>> +			};
>> +
>> +			frame@17423000 {
>> +				frame-number = <1>;
>> +				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x17423000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +
>> +			frame@17425000 {
>> +				frame-number = <2>;
>> +				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x17425000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +
>> +			frame@17427000 {
>> +				frame-number = <3>;
>> +				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x17427000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +
>> +			frame@17429000 {
>> +				frame-number = <4>;
>> +				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x17429000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +
>> +			frame@1742b000 {
>> +				frame-number = <5>;
>> +				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x1742b000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +
>> +			frame@1742d000 {
>> +				frame-number = <6>;
>> +				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
>> +				reg = <0x1742d000 0x1000>;
>> +				status = "disabled";
>> +			};
>> +		};
>> +	};
>> +
>> +	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)>;
>> +		clock-frequency = <19200000>;
> 
> Are you sure this property is allowed in new designs?
will remove this property.
> 
>> +	};
>> +};
> 
> Best regards,
> Krzysztof
>
Tengfei Fan July 21, 2023, 2:03 a.m. UTC | #5
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@quicinc.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@17200000 {
>> +			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@17420000 {
>> +			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
>> +	};
>> +};
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
new file mode 100644
index 000000000000..ab14aecbdcea
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
@@ -0,0 +1,435 @@ 
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	interrupt-parent = <&intc>;
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	chosen { };
+
+	clocks{
+		xo_board: xo_board {
+			compatible = "fixed-clock";
+			clock-frequency = <76800000>;
+			#clock-cells = <0>;
+		};
+
+		sleep_clk: sleep_clk {
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+			#clock-cells = <0>;
+		};
+	};
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			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 {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+				L3_0: l3-cache {
+					compatible = "cache";
+					cache-level = <3>;
+					cache-unified;
+				};
+			};
+		};
+
+		CPU1: cpu@100 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x100>;
+			enable-method = "psci";
+			next-level-cache = <&L2_100>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_100: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU2: cpu@200 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x200>;
+			enable-method = "psci";
+			next-level-cache = <&L2_200>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_200: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU3: cpu@300 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x300>;
+			enable-method = "psci";
+			next-level-cache = <&L2_300>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_300: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU4: cpu@400 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x400>;
+			enable-method = "psci";
+			next-level-cache = <&L2_400>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_400: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU5: cpu@500 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x500>;
+			enable-method = "psci";
+			next-level-cache = <&L2_500>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_500: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU6: cpu@600 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x600>;
+			enable-method = "psci";
+			next-level-cache = <&L2_600>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_600: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU7: cpu@700 {
+			device_type = "cpu";
+			compatible = "qcom,kryo";
+			reg = <0x0 0x700>;
+			enable-method = "psci";
+			next-level-cache = <&L2_700>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			#cooling-cells = <2>;
+			L2_700: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&L3_0>;
+			};
+		};
+
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&CPU0>;
+				};
+
+				core1 {
+					cpu = <&CPU1>;
+				};
+
+				core2 {
+					cpu = <&CPU2>;
+				};
+
+				core3 {
+					cpu = <&CPU3>;
+				};
+
+				core4 {
+					cpu = <&CPU4>;
+				};
+
+				core5 {
+					cpu = <&CPU5>;
+				};
+			};
+
+			cluster1 {
+				core6 {
+					cpu = <&CPU6>;
+				};
+
+				core7 {
+					cpu = <&CPU7>;
+				};
+			};
+		};
+
+		idle-states {
+			entry-method = "psci";
+
+			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "silver-rail-power-collapse";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <800>;
+				exit-latency-us = <750>;
+				min-residency-us = <4090>;
+				local-timer-stop;
+			};
+
+			BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "gold-rail-power-collapse";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <600>;
+				exit-latency-us = <1550>;
+				min-residency-us = <4791>;
+				local-timer-stop;
+			};
+		};
+
+		domain-idle-states {
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "domain-idle-state";
+				arm,psci-suspend-param = <0x41000044>;
+				entry-latency-us = <1050>;
+				exit-latency-us = <2500>;
+				min-residency-us = <5309>;
+			};
+
+			CLUSTER_SLEEP_1: cluster-sleep-1 {
+				compatible = "domain-idle-state";
+				idle-state-name = "cluster-power-collapse";
+				arm,psci-suspend-param = <0x41003344>;
+				entry-latency-us = <1561>;
+				exit-latency-us = <2801>;
+				min-residency-us = <8550>;
+			};
+		};
+	};
+
+	firmware {
+		scm: scm {
+			compatible = "qcom,scm-sm4450", "qcom,scm";
+			#reset-cells = <1>;
+		};
+	};
+
+	memory@a0000000 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the size */
+		reg = <0x0 0xa0000000 0x0 0x0>;
+	};
+
+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+
+		CPU_PD0: power-domain-cpu0 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD1: power-domain-cpu1 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD2: power-domain-cpu2 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD3: power-domain-cpu3 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD4: power-domain-cpu4 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD5: power-domain-cpu5 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD6: power-domain-cpu6 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD7: power-domain-cpu7 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CLUSTER_PD: power-domain-cpu-cluster0 {
+			#power-domain-cells = <0>;
+			domain-idle-states = <&CLUSTER_SLEEP_0>, <&CLUSTER_SLEEP_1>;
+		};
+	};
+
+	soc: soc@0 {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0 0 0 0 0x10 0>;
+		dma-ranges = <0 0 0 0 0x10 0>;
+		compatible = "simple-bus";
+
+		tcsr_mutex: hwlock@1f40000 {
+			compatible = "qcom,tcsr-mutex";
+			reg = <0x0 0x01f40000 0x0 0x40000>;
+			#hwlock-cells = <1>;
+		};
+
+		pdc: interrupt-controller@b220000 {
+			compatible = "qcom,sm4450-pdc", "qcom,pdc";
+			reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
+			qcom,pdc-ranges = <0 480 94>, <94 494 31>, <125 63 1>;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupt-controller;
+		};
+
+		intc: interrupt-controller@17200000 {
+			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 */
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
+		};
+
+		timer@17420000 {
+			compatible = "arm,armv7-timer-mem";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0 0 0x20000000>;
+			reg = <0x0 0x17420000 0x0 0x1000>;
+			clock-frequency = <19200000>;
+
+			frame@17421000 {
+				frame-number = <0>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+						<GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17421000 0x1000>,
+					<0x17422000 0x1000>;
+			};
+
+			frame@17423000 {
+				frame-number = <1>;
+				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17423000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17425000 {
+				frame-number = <2>;
+				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17425000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17427000 {
+				frame-number = <3>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17427000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17429000 {
+				frame-number = <4>;
+				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17429000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@1742b000 {
+				frame-number = <5>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x1742b000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@1742d000 {
+				frame-number = <6>;
+				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x1742d000 0x1000>;
+				status = "disabled";
+			};
+		};
+	};
+
+	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)>;
+		clock-frequency = <19200000>;
+	};
+};