[PATCH 15/15] ARM: dts: qcom: Add initial device tree for Kuno SoC

Hardeep Sharma <[email protected]> Sun, 09 Aug 2026 12:57:14 +0530
Newsgroups org.kernel.vger.linux-clk,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm
Message-ID <[email protected]>
Add SoC-level DTSI (qcom-kuno.dtsi) and IDP board DTS
(qcom-kuno-idp.dts) for the Qualcomm Kuno SoC.

Peripherals included in this initial set:
  - Single Cortex-A7 CPU with PSCI idle states
  - RPMh RSC with clock controller, power domains, and BCM voter
  - GCC (Global Clock Controller)
  - TLMM pin controller (110 GPIOs)
  - Interconnect (aggre-noc, cnoc-main)
  - GENI UART console (QUP SE3)
  - SMEM, hardware spinlocks (TCSR mutex)

Signed-off-by: Hardeep Sharma <[email protected]>
---
 arch/arm/boot/dts/qcom/Makefile          |   1 +
 arch/arm/boot/dts/qcom/qcom-kuno-idp.dts |  25 ++
 arch/arm/boot/dts/qcom/qcom-kuno.dtsi    | 423 +++++++++++++++++++++++++++++++
 3 files changed, 449 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
index 026d5b682b2b..7327a7b8180e 100644
--- a/arch/arm/boot/dts/qcom/Makefile
+++ b/arch/arm/boot/dts/qcom/Makefile
@@ -26,6 +26,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-ipq4019-ap.dk07.1-c2.dtb \
 	qcom-ipq8064-ap148.dtb \
 	qcom-ipq8064-rb3011.dtb \
+	qcom-kuno-idp.dtb \
 	qcom-msm8226-microsoft-dempsey.dtb \
 	qcom-msm8226-microsoft-makepeace.dtb \
 	qcom-msm8226-microsoft-moneypenny.dtb \
diff --git a/arch/arm/boot/dts/qcom/qcom-kuno-idp.dts b/arch/arm/boot/dts/qcom/qcom-kuno-idp.dts
new file mode 100644
index 000000000000..c2f6650d3fe6
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/qcom-kuno-idp.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include "qcom-kuno.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Kuno IDP";
+	compatible = "qcom,kuno-idp", "qcom,kuno";
+
+	aliases {
+		serial0 = &uart3;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart3 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/qcom/qcom-kuno.dtsi b/arch/arm/boot/dts/qcom/qcom-kuno.dtsi
new file mode 100644
index 000000000000..073dda34e188
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/qcom-kuno.dtsi
@@ -0,0 +1,423 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <dt-bindings/clock/qcom,kuno-gcc.h>
+#include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/qcom,rpmhpd.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
+#include <dt-bindings/soc/qcom,rpmh-rsc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&intc>;
+
+	pcie_phy: clock-100000000 {
+		compatible = "fixed-clock";
+		clock-frequency = <100000000>;
+		#clock-cells = <0>;
+	};
+
+	sleep_clk: clock-32000 {
+		compatible = "fixed-clock";
+		clock-frequency = <32000>;
+		#clock-cells = <0>;
+	};
+
+	xo_board: clock-38400000 {
+		compatible = "fixed-clock";
+		clock-frequency = <38400000>;
+		#clock-cells = <0>;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+			enable-method = "psci";
+			cpu-idle-states = <&little_cpu_sleep_0>, <&little_cpu_sleep_1>;
+			power-domains = <&cpu_pd0>;
+			power-domain-names = "psci";
+		};
+	};
+
+	domain-idle-states {
+		cluster_sleep_0: cluster-sleep-0 {
+			compatible = "domain-idle-state";
+			idle-state-name = "cx-min";
+			entry-latency-us = <750>;
+			exit-latency-us = <2350>;
+			min-residency-us = <9144>;
+			arm,psci-suspend-param = <0x40000008>;
+		};
+	};
+
+	firmware {
+		scm {
+			compatible = "qcom,scm-kuno", "qcom,scm";
+		};
+	};
+
+	idle-states {
+		entry-method = "psci";
+
+		little_cpu_sleep_0: cpu-sleep-0 {
+			compatible = "arm,idle-state";
+			idle-state-name = "standalone-pc";
+			entry-latency-us = <350>;
+			exit-latency-us = <450>;
+			min-residency-us = <1774>;
+			arm,psci-suspend-param = <0x40000003>;
+			local-timer-stop;
+		};
+
+		little_cpu_sleep_1: cpu-sleep-1 {
+			compatible = "arm,idle-state";
+			idle-state-name = "pc";
+			entry-latency-us = <550>;
+			exit-latency-us = <750>;
+			min-residency-us = <6700>;
+			arm,psci-suspend-param = <0x40000004>;
+			local-timer-stop;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x0>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+
+		cpu_pd0: power-domain-cpu0 {
+			#power-domain-cells = <0>;
+			power-domains = <&cluster_pd>;
+		};
+
+		cluster_pd: power-domain-cluster {
+			#power-domain-cells = <0>;
+			domain-idle-states = <&cluster_sleep_0>;
+		};
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		quickboot@82100000 {
+			reg = <0x82100000 0x100000>;
+			no-map;
+		};
+
+		aop-image@82200000 {
+			reg = <0x82200000 0x20000>;
+			no-map;
+		};
+
+		aop-cmd-db@82220000 {
+			compatible = "qcom,cmd-db";
+			reg = <0x82220000 0x20000>;
+			no-map;
+		};
+
+		aop-config@82240000 {
+			reg = <0x82240000 0x20000>;
+			no-map;
+		};
+
+		uefi-log@82260000 {
+			reg = <0x82260000 0x10000>;
+			no-map;
+		};
+
+		ipa-fw@82270000 {
+			reg = <0x82270000 0x10000>;
+			no-map;
+		};
+
+		smem@82280000 {
+			compatible = "qcom,smem";
+			reg = <0x82280000 0xc0000>;
+			hwlocks = <&tcsr_mutex 3>;
+			no-map;
+		};
+
+		tme-crashdump@82340000 {
+			reg = <0x82340000 0x40000>;
+			no-map;
+		};
+
+		tme-log@82380000 {
+			reg = <0x82380000 0x4000>;
+			no-map;
+		};
+
+		access-control-db@82384000 {
+			reg = <0x82384000 0x40000>;
+			no-map;
+		};
+
+		secdata@823c4000 {
+			reg = <0x823c4000 0x1000>;
+			no-map;
+		};
+
+		modem-efs@823c5000 {
+			reg = <0x823c5000 0x10000>;
+			no-map;
+		};
+
+		cpucp-fw@82400000 {
+			reg = <0x82400000 0x80000>;
+			no-map;
+		};
+
+		xbl-dt-log@824c0000 {
+			reg = <0x824c0000 0x20000>;
+			no-map;
+		};
+
+		qtee@82500000 {
+			reg = <0x82500000 0x180000>;
+			no-map;
+		};
+
+		trusted-apps@82680000 {
+			reg = <0x82680000 0x600000>;
+			no-map;
+		};
+
+		mpss-audio@82e00000 {
+			reg = <0x82e00000 0x5a00000>;
+			no-map;
+		};
+	};
+
+	soc: soc@0 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0 0xffffffff>;
+
+		gcc: clock-controller@80000 {
+			compatible = "qcom,kuno-gcc";
+			reg = <0x00080000 0x1f4200>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK_A>,
+				 <&sleep_clk>,
+				 <&pcie_phy>;
+			power-domains = <&rpmhpd RPMHPD_CX>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		qup0: geniqup@9c0000 {
+			compatible = "qcom,geni-se-qup";
+			reg = <0x009c0000 0x2000>;
+			clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
+				 <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
+			clock-names = "m-ahb", "s-ahb";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0x0 0x1000000>;
+
+			uart3: serial@98c000 {
+				compatible = "qcom,geni-debug-uart";
+				reg = <0x0 0x0098c000 0x0 0x4000>;
+				interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gcc GCC_QUPV3_WRAP0_S3_CLK>;
+				clock-names = "se";
+				pinctrl-0 = <&uart_console_active>;
+				pinctrl-1 = <&uart_console_sleep>;
+				pinctrl-names = "default", "sleep";
+
+				status = "disabled";
+			};
+		};
+
+		cnoc_main: interconnect@1580000 {
+			compatible = "qcom,kuno-cnoc-main";
+			reg = <0x01580000 0x19200>;
+			#interconnect-cells = <1>;
+			qcom,bcm-voters = <&apps_bcm_voter>;
+		};
+
+		aggre_noc: interconnect@1640000 {
+			compatible = "qcom,kuno-aggre-noc";
+			reg = <0x01640000 0x33400>;
+			#interconnect-cells = <1>;
+			qcom,bcm-voters = <&apps_bcm_voter>;
+		};
+
+		tcsr_mutex: hwlock@1f40000 {
+			compatible = "qcom,tcsr-mutex";
+			reg = <0x01f40000 0x40000>;
+			#hwlock-cells = <1>;
+		};
+
+		pdc: interrupt-controller@b220000 {
+			compatible = "qcom,kuno-pdc", "qcom,pdc";
+			reg = <0x0b220000 0x10000>;
+			qcom,pdc-ranges = <1 148 6>,
+					  <9 156 2>,
+					  <17 164 7>;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupt-controller;
+		};
+
+		restart@c264000 {
+			compatible = "qcom,pshold";
+			reg = <0x0c264000 0x1000>;
+		};
+
+		tlmm: pinctrl@f000000 {
+			compatible = "qcom,kuno-tlmm";
+			reg = <0x0f000000 0x400000>;
+			interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&tlmm 0 0 110>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			uart_console_active: uart-console-active-state {
+				pins = "gpio8", "gpio9";
+				function = "qup0_se3_mira";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
+			uart_console_sleep: uart-console-sleep-state {
+				pins = "gpio8", "gpio9";
+				function = "gpio";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		intc: interrupt-controller@17000000 {
+			compatible = "qcom,msm-qgic2";
+			reg = <0x17000000 0x1000>,
+			      <0x17002000 0x1000>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+
+		timer@17020000 {
+			compatible = "arm,armv7-timer-mem";
+			reg = <0x17020000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			frame@17021000 {
+				reg = <0x17021000 0x1000>,
+				      <0x17022000 0x1000>;
+				frame-number = <0>;
+				interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
+		apps_rsc: rsc@17040000 {
+			compatible = "qcom,rpmh-rsc";
+			reg = <0x17040000 0x10000>,
+			      <0x17050000 0x10000>,
+			      <0x17060000 0x10000>;
+			reg-names = "drv-0",
+				    "drv-1",
+				    "drv-2";
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+				     /* drv-1: placeholder (unused) */
+				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+			qcom,tcs-offset = <0xd00>;
+			qcom,drv-id = <2>;
+			qcom,tcs-config = <ACTIVE_TCS 2>,
+					  <SLEEP_TCS 3>,
+					  <WAKE_TCS 3>,
+					  <CONTROL_TCS 1>;
+			power-domains = <&cluster_pd>;
+
+			rpmhcc: clock-controller {
+				compatible = "qcom,kuno-rpmh-clk";
+				clocks = <&xo_board>;
+				clock-names = "xo";
+				#clock-cells = <1>;
+			};
+
+			rpmhpd: power-controller {
+				compatible = "qcom,kuno-rpmhpd";
+				#power-domain-cells = <1>;
+				operating-points-v2 = <&rpmhpd_opp_table>;
+
+				rpmhpd_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					rpmhpd_opp_ret: opp1 {
+						opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
+					};
+
+					rpmhpd_opp_min_svs: opp2 {
+						opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+					};
+
+					rpmhpd_opp_low_svs: opp3 {
+						opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+					};
+
+					rpmhpd_opp_svs: opp4 {
+						opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+					};
+
+					rpmhpd_opp_svs_l1: opp5 {
+						opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+					};
+
+					rpmhpd_opp_nom: opp6 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
+					};
+
+					rpmhpd_opp_nom_l1: opp7 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
+					};
+
+					rpmhpd_opp_nom_l2: opp8 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
+					};
+
+					rpmhpd_opp_turbo: opp9 {
+						opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
+					};
+
+					rpmhpd_opp_turbo_l1: opp10 {
+						opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
+					};
+				};
+			};
+
+			apps_bcm_voter: bcm-voter {
+				compatible = "qcom,bcm-voter";
+			};
+		};
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 12 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+};

-- 
2.43.0