[PATCH v15 6/6] arm64: dts: qcom: Add device tree for Nord RRD board
From: Shawn Guo <hidden>
Date: 2026-09-14 03:14:57
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
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 <redacted> Signed-off-by: Bartosz Golaszewski <redacted> Reviewed-by: Konrad Dybcio <redacted> Reviewed-by: Abel Vesa <redacted> Signed-off-by: Shawn Guo <redacted> --- arch/arm64/boot/dts/qcom/Makefile | 1 + arch/arm64/boot/dts/qcom/nord-rrd.dts | 424 ++++++++++++++++++++++++++ 2 files changed, 425 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/nord-rrd.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index a6b4f02bec6d..347897b5a514 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile@@ -167,6 +167,7 @@ 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"; +};
--
2.43.0