1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7180-firmware-tfa.dtsi b/arch/arm64/boot/dts/qcom/sc7180-firmware-tfa.dtsi
new file mode 100644
index 000000000000..59162b3afcb8
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sc7180-firmware-tfa.dtsi
@@ -0,0 +1,107 @@
+// 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;
+};