arm64: dts: qcom: Add device tree for Nord RRD board

Add initial device tree for the Qualcomm Dragonwing IQ10 RRD (Robotics
Reference Design) board, which is built on Nord Embedded variant. Enable
the debug UART, UFS storage, PMICs, I2C and SPI.

Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260914031412.140856-7-shengchao.guo@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

2 files changed, 425 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 11d3d3615b9b..efd7bc724ee1 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -168,6 +168,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-maple.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-poplar.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-xiaomi-sagit.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= nord-ride.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= nord-rrd.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= purwa-iot-evk.dtb
 
 purwa-iot-evk-el2-dtbs	:= purwa-iot-evk.dtb x1-el2.dtbo
diff --git a/arch/arm64/boot/dts/qcom/nord-rrd.dts b/arch/arm64/boot/dts/qcom/nord-rrd.dts
new file mode 100644
index 000000000000..3673003c8b21
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/nord-rrd.dts
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+#include "nord-embedded.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IQ10 RRD";
+	compatible = "qcom,iq10-rrd", "qcom,nord";
+
+	aliases {
+		serial0 = &uart15;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	clocks {
+		xo_board: xo-board-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <38400000>;
+			#clock-cells = <0>;
+		};
+
+		sleep_clk: sleep-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+			#clock-cells = <0>;
+		};
+
+		bi_tcxo_div2: bi-tcxo-div2-clk {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>;
+			clock-mult = <1>;
+			clock-div = <2>;
+		};
+
+		bi_tcxo_ao_div2: bi-tcxo-ao-div2-clk {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&rpmhcc RPMH_CXO_CLK_A>;
+			clock-mult = <1>;
+			clock-div = <2>;
+		};
+	};
+};
+
+&apps_rsc {
+	/* PMIC A - Kobra_MM (PMM8650AU) - SID 0x0, Bus E0 */
+	regulators-0 {
+		compatible = "qcom,pmm8654au-rpmh-regulators";
+		qcom,pmic-id = "A_E0";
+
+		vreg_l4a_1p2: ldo4 {
+			regulator-name = "vreg_l4a_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l6a_1p2: ldo6 {
+			regulator-name = "vreg_l6a_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l7a_1p2: ldo7 {
+			regulator-name = "vreg_l7a_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l8a_1p8: ldo8 {
+			regulator-name = "vreg_l8a_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_s1a_vdd2h_l: smps1 {
+			regulator-name = "vreg_s1a_vdd2h_l";
+			regulator-min-microvolt = <900000>;
+			regulator-max-microvolt = <1100000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		vreg_s3a_1p8: smps3 {
+			regulator-name = "vreg_s3a_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		vreg_s5a_mv: smps5 {
+			regulator-name = "vreg_s5a_mv";
+			regulator-min-microvolt = <1328000>;
+			regulator-max-microvolt = <1370000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		vreg_s6a_vddq_l: smps6 {
+			regulator-name = "vreg_s6a_vddq_l";
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <570000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC E - Kai_MV - SID 0x4, Bus E0 */
+	regulators-1 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "E_E0";
+
+		vreg_l1e_0p9: ldo1 {
+			regulator-name = "vreg_l1e_0p9";
+			regulator-min-microvolt = <936000>;
+			regulator-max-microvolt = <936000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l2e_0p9: ldo2 {
+			regulator-name = "vreg_l2e_0p9";
+			regulator-min-microvolt = <936000>;
+			regulator-max-microvolt = <936000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3e_1p8: ldo3 {
+			regulator-name = "vreg_l3e_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC F - Kai_MV - SID 0x5, Bus E0 */
+	regulators-2 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "F_E0";
+
+		vreg_l1f_vdd2l: ldo1 {
+			regulator-name = "vreg_l1f_vdd2l";
+			regulator-min-microvolt = <904000>;
+			regulator-max-microvolt = <904000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3f_vdd1: ldo3 {
+			regulator-name = "vreg_l3f_vdd1";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_s7f_lv_sub: smps7 {
+			regulator-name = "vreg_s7f_lv_sub";
+			regulator-min-microvolt = <1036000>;
+			regulator-max-microvolt = <1136000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		vreg_s8f_vddq_h: smps8 {
+			regulator-name = "vreg_s8f_vddq_h";
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <570000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC G - Kai_MV - SID 0x6, Bus E0 */
+	regulators-3 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "G_E0";
+
+		vreg_l2g_0p7: ldo2 {
+			regulator-name = "vreg_l2g_0p7";
+			regulator-min-microvolt = <752000>;
+			regulator-max-microvolt = <752000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_s5g_vdd2h_h: smps5 {
+			regulator-name = "vreg_s5g_vdd2h_h";
+			regulator-min-microvolt = <1080000>;
+			regulator-max-microvolt = <1150000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+	};
+
+	/* PMIC H - Kai_MV - SID 0x7, Bus E0 */
+	regulators-4 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "H_E0";
+
+		vreg_l1h_0p9: ldo1 {
+			regulator-name = "vreg_l1h_0p9";
+			regulator-min-microvolt = <904000>;
+			regulator-max-microvolt = <904000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l2h_1p2: ldo2 {
+			regulator-name = "vreg_l2h_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC I - Kai_MV - SID 0x8, Bus E0 */
+	regulators-5 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "I_E0";
+
+		vreg_l1i_0p9: ldo1 {
+			regulator-name = "vreg_l1i_0p9";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l2i_1p2: ldo2 {
+			regulator-name = "vreg_l2i_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3i_2p5: ldo3 {
+			regulator-name = "vreg_l3i_2p5";
+			regulator-min-microvolt = <2504000>;
+			regulator-max-microvolt = <2504000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC K - Kai_MV - SID 0xA, Bus E0 */
+	regulators-6 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "K_E0";
+
+		vreg_l1k_vdd2l: ldo1 {
+			regulator-name = "vreg_l1k_vdd2l";
+			regulator-min-microvolt = <904000>;
+			regulator-max-microvolt = <904000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l2k_0p9: ldo2 {
+			regulator-name = "vreg_l2k_0p9";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3k_vdd1: ldo3 {
+			regulator-name = "vreg_l3k_vdd1";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	/* PMIC L - Kai_MV - SID 0xB, Bus E0 */
+	regulators-7 {
+		compatible = "qcom,pmau0102-rpmh-regulators";
+		qcom,pmic-id = "L_E0";
+
+		vreg_l3l_1p8: ldo3 {
+			regulator-name = "vreg_l3l_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+};
+
+&i2c7 {
+	clock-frequency = <400000>;
+
+	status = "okay";
+
+	rtc@32 {
+		compatible = "epson,rx8900";
+		reg = <0x32>;
+	};
+};
+
+&qupv3_0 {
+	firmware-name = "qcom/nord/qupv3fw.elf";
+
+	status = "okay";
+};
+
+&qupv3_1 {
+	firmware-name = "qcom/nord/qupv3fw.elf";
+
+	status = "okay";
+};
+
+&qupv3_2 {
+	firmware-name = "qcom/nord/qupv3fw.elf";
+
+	status = "okay";
+};
+
+&spi16 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&uart15 {
+	status = "okay";
+};
+
+&ufs_mem_hc {
+	reset-gpios = <&tlmm 181 GPIO_ACTIVE_LOW>;
+
+	vcc-supply = <&vreg_l3i_2p5>;
+	vcc-max-microamp = <1300000>;
+	vccq-supply = <&vreg_l2i_1p2>;
+	vccq-max-microamp = <1200000>;
+
+	status = "okay";
+};
+
+&ufs_mem_phy {
+	vdda-phy-supply = <&vreg_l1i_0p9>;
+	vdda-pll-supply = <&vreg_l2h_1p2>;
+
+	status = "okay";
+};