arm64: dts: qcom: sc7180: Split up TF-A related PSCI configuration

When initially submitted, the sc7180 support only targeted CROS devices
that make use of alternative TF-A firmware and not the official Qualcomm
firmware. The PSCI implementations in those firmwares differ however so
devices that use qcom firmware, like WoA laptops such as aspire1 need
different setup.

This commit adjusts the SoC dtsi to the OSI mode PSCI setup, common to
the Qualcomm firmware and introduces new sc7180-firmware-tfa.dtsi that
overrides the PSCI setup for the PC mode and uses TF-A specific
psci-suspend-param. This dtsi is added to all boards that appear to use
TF-A.
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20230808-sc7180-tfa-fw-v1-1-666d5d8467e5@trvn.ruSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sc7180-firmware-tfa.dtsi

+// SPDX-License-Identifier: BSD-3-Clause
+
+/*
+ * Devices that use SC7180 with TrustedFirmware-A
+ * need PSCI PC mode instead of the OSI mode provided
+ * by Qualcomm firmware.
+ */
+
+&CPU0 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU1 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU2 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU3 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU4 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU5 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+			   &LITTLE_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU6 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&BIG_CPU_SLEEP_0
+			   &BIG_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+&CPU7 {
+	/delete-property/ power-domains;
+	/delete-property/ power-domain-names;
+
+	cpu-idle-states = <&BIG_CPU_SLEEP_0
+			   &BIG_CPU_SLEEP_1
+			   &CLUSTER_SLEEP_0>;
+};
+
+/delete-node/ &domain_idle_states;
+
+&idle_states {
+	CLUSTER_SLEEP_0: cluster-sleep-0 {
+		compatible = "arm,idle-state";
+		idle-state-name = "cluster-power-down";
+		arm,psci-suspend-param = <0x40003444>;
+		entry-latency-us = <3263>;
+		exit-latency-us = <6562>;
+		min-residency-us = <9926>;
+		local-timer-stop;
+	};
+};
+
+/delete-node/ &CPU_PD0;
+/delete-node/ &CPU_PD1;
+/delete-node/ &CPU_PD2;
+/delete-node/ &CPU_PD3;
+/delete-node/ &CPU_PD4;
+/delete-node/ &CPU_PD5;
+/delete-node/ &CPU_PD6;
+/delete-node/ &CPU_PD7;
+/delete-node/ &CLUSTER_PD;
+
+&apps_rsc {
+	/delete-property/ power-domains;
+};

arch/arm64/boot/dts/qcom/sc7180-idp.dts

@@ -11,6 +11,7 @@
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include "sc7180.dtsi"
+#include "sc7180-firmware-tfa.dtsi"
 #include "pm6150.dtsi"
 #include "pm6150l.dtsi"
 

arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi

@@ -13,6 +13,7 @@
 #include <dt-bindings/sound/sc7180-lpass.h>
 
 #include "sc7180.dtsi"
+#include "sc7180-firmware-tfa.dtsi"
 /* PMICs depend on spmi_bus label and so must come after sc7180.dtsi */
 #include "pm6150.dtsi"
 #include "pm6150l.dtsi"

arch/arm64/boot/dts/qcom/sc7180.dtsi

@@ -79,9 +79,8 @@ CPU0: cpu@0 {
 			reg = <0x0 0x0>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			operating-points-v2 = <&cpu0_opp_table>;
@@ -109,9 +108,8 @@ CPU1: cpu@100 {
 			reg = <0x0 0x100>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD1>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			next-level-cache = <&L2_100>;
@@ -134,9 +132,8 @@ CPU2: cpu@200 {
 			reg = <0x0 0x200>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD2>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			next-level-cache = <&L2_200>;
@@ -159,9 +156,8 @@ CPU3: cpu@300 {
 			reg = <0x0 0x300>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD3>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			next-level-cache = <&L2_300>;
@@ -184,9 +180,8 @@ CPU4: cpu@400 {
 			reg = <0x0 0x400>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD4>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			next-level-cache = <&L2_400>;
@@ -209,9 +204,8 @@ CPU5: cpu@500 {
 			reg = <0x0 0x500>;
 			clocks = <&cpufreq_hw 0>;
 			enable-method = "psci";
-			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
-					   &LITTLE_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD5>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <415>;
 			dynamic-power-coefficient = <137>;
 			next-level-cache = <&L2_500>;
@@ -234,9 +228,8 @@ CPU6: cpu@600 {
 			reg = <0x0 0x600>;
 			clocks = <&cpufreq_hw 1>;
 			enable-method = "psci";
-			cpu-idle-states = <&BIG_CPU_SLEEP_0
-					   &BIG_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD6>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <480>;
 			next-level-cache = <&L2_600>;
@@ -259,9 +252,8 @@ CPU7: cpu@700 {
 			reg = <0x0 0x700>;
 			clocks = <&cpufreq_hw 1>;
 			enable-method = "psci";
-			cpu-idle-states = <&BIG_CPU_SLEEP_0
-					   &BIG_CPU_SLEEP_1
-					   &CLUSTER_SLEEP_0>;
+			power-domains = <&CPU_PD7>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <480>;
 			next-level-cache = <&L2_700>;
@@ -314,7 +306,7 @@ core7 {
 			};
 		};
 
-		idle-states {
+		idle_states: idle-states {
 			entry-method = "psci";
 
 			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
@@ -356,15 +348,34 @@ BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
 				min-residency-us = <5555>;
 				local-timer-stop;
 			};
+		};
 
-			CLUSTER_SLEEP_0: cluster-sleep-0 {
-				compatible = "arm,idle-state";
+		domain_idle_states: domain-idle-states {
+			CLUSTER_SLEEP_PC: cluster-sleep-0 {
+				compatible = "domain-idle-state";
+				idle-state-name = "cluster-l3-power-collapse";
+				arm,psci-suspend-param = <0x41000044>;
+				entry-latency-us = <2752>;
+				exit-latency-us = <3048>;
+				min-residency-us = <6118>;
+			};
+
+			CLUSTER_SLEEP_CX_RET: cluster-sleep-1 {
+				compatible = "domain-idle-state";
+				idle-state-name = "cluster-cx-retention";
+				arm,psci-suspend-param = <0x41001244>;
+				entry-latency-us = <3638>;
+				exit-latency-us = <4562>;
+				min-residency-us = <8467>;
+			};
+
+			CLUSTER_AOSS_SLEEP: cluster-sleep-2 {
+				compatible = "domain-idle-state";
 				idle-state-name = "cluster-power-down";
-				arm,psci-suspend-param = <0x40003444>;
+				arm,psci-suspend-param = <0x4100b244>;
 				entry-latency-us = <3263>;
 				exit-latency-us = <6562>;
-				min-residency-us = <9926>;
-				local-timer-stop;
+				min-residency-us = <9826>;
 			};
 		};
 	};
@@ -567,6 +578,61 @@ pmu {
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
+
+		CPU_PD0: cpu0 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD1: cpu1 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD2: cpu2 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD3: cpu3 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD4: cpu4 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD5: cpu5 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
+		};
+
+		CPU_PD6: cpu6 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
+		};
+
+		CPU_PD7: cpu7 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
+		};
+
+		CLUSTER_PD: cpu-cluster0 {
+			#power-domain-cells = <0>;
+			domain-idle-states = <&CLUSTER_SLEEP_PC
+					      &CLUSTER_SLEEP_CX_RET
+					      &CLUSTER_AOSS_SLEEP>;
+		};
 	};
 
 	reserved_memory: reserved-memory {
@@ -3597,6 +3663,7 @@ apps_rsc: rsc@18200000 {
 					  <SLEEP_TCS   3>,
 					  <WAKE_TCS    3>,
 					  <CONTROL_TCS 1>;
+			power-domains = <&CLUSTER_PD>;
 
 			rpmhcc: clock-controller {
 				compatible = "qcom,sc7180-rpmh-clk";