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Message-ID: <20230719100135.21325-2-quic_tengfan@quicinc.com>
Date:   Wed, 19 Jul 2023 18:01:31 +0800
From:   Tengfei Fan <quic_tengfan@...cinc.com>
To:     <andersson@...nel.org>, <konrad.dybcio@...aro.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>,
        Tengfei Fan <quic_tengfan@...cinc.com>
Subject: [PATCH 1/5] arm64: dts: qcom: Add base SM4450 DTSI

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>
---
 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 {
+			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@...00000 {
+		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@...0000 {
+			compatible = "qcom,tcsr-mutex";
+			reg = <0x0 0x01f40000 0x0 0x40000>;
+			#hwlock-cells = <1>;
+		};
+
+		pdc: interrupt-controller@...0000 {
+			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@...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 */
+			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>;
+
+			frame@...21000 {
+				frame-number = <0>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+						<GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17421000 0x1000>,
+					<0x17422000 0x1000>;
+			};
+
+			frame@...23000 {
+				frame-number = <1>;
+				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17423000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@...25000 {
+				frame-number = <2>;
+				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17425000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@...27000 {
+				frame-number = <3>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17427000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@...29000 {
+				frame-number = <4>;
+				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x17429000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@...2b000 {
+				frame-number = <5>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x1742b000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@...2d000 {
+				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>;
+	};
+};
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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