The HAMOA-IOT-SOM is a compact computing module that integrates a System
on Chip (SoC) — specifically the x1e80100 — along with essential
components optimized for IoT applications. It is designed to be mounted on
carrier boards, enabling the development of complete embedded systems.
This change enables and overlays the following components:
- Regulators on the SOM
- Reserved memory regions
- PCIe6a and its PHY
- PCIe4 and its PHY
- USB0 through USB6 and their PHYs
- ADSP, CDSP
- WLAN, Bluetooth (M.2 interface)
Written with contributions from Yingying Tang (added PCIe4 and its PHY to
enable WLAN).
Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 609 ++++++++++++++++++++++++++++
1 file changed, 609 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..5facc5544c3df05b89b25fbcb5cd331e93040f15
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
@@ -0,0 +1,609 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include "x1e80100.dtsi"
+#include "x1e80100-pmics.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+/ {
+ compatible = "hamoa-iot-som", "qcom,x1e80100";
+
+ reserved-memory {
+ linux,cma {
+ compatible = "shared-dma-pool";
+ size = <0x0 0x8000000>;
+ reusable;
+ linux,cma-default;
+ };
+ };
+};
+
+&apps_rsc {
+ /* PMC8380C_B */
+ regulators-0 {
+ compatible = "qcom,pm8550-rpmh-regulators";
+ qcom,pmic-id = "b";
+
+ vdd-bob1-supply = <&vph_pwr>;
+ vdd-bob2-supply = <&vph_pwr>;
+ vdd-l1-l4-l10-supply = <&vreg_s4c_1p8>;
+ vdd-l2-l13-l14-supply = <&vreg_bob1>;
+ vdd-l5-l16-supply = <&vreg_bob1>;
+ vdd-l6-l7-supply = <&vreg_bob2>;
+ vdd-l8-l9-supply = <&vreg_bob1>;
+ vdd-l12-supply = <&vreg_s5j_1p2>;
+ vdd-l15-supply = <&vreg_s4c_1p8>;
+ vdd-l17-supply = <&vreg_bob2>;
+
+ vreg_bob1: bob1 {
+ regulator-name = "vreg_bob1";
+ regulator-min-microvolt = <3008000>;
+ regulator-max-microvolt = <3960000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_bob2: bob2 {
+ regulator-name = "vreg_bob2";
+ regulator-min-microvolt = <2504000>;
+ regulator-max-microvolt = <3008000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l1b_1p8: ldo1 {
+ regulator-name = "vreg_l1b_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2b_3p0: ldo2 {
+ regulator-name = "vreg_l2b_3p0";
+ regulator-min-microvolt = <3072000>;
+ regulator-max-microvolt = <3100000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l4b_1p8: ldo4 {
+ regulator-name = "vreg_l4b_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l5b_3p0: ldo5 {
+ regulator-name = "vreg_l5b_3p0";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l6b_1p8: ldo6 {
+ regulator-name = "vreg_l6b_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2960000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l7b_2p8: ldo7 {
+ regulator-name = "vreg_l7b_2p8";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l8b_3p0: ldo8 {
+ regulator-name = "vreg_l8b_3p0";
+ regulator-min-microvolt = <3072000>;
+ regulator-max-microvolt = <3072000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l9b_2p9: ldo9 {
+ regulator-name = "vreg_l9b_2p9";
+ regulator-min-microvolt = <2960000>;
+ regulator-max-microvolt = <2960000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l10b_1p8: ldo10 {
+ regulator-name = "vreg_l10b_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l12b_1p2: ldo12 {
+ regulator-name = "vreg_l12b_1p2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-always-on;
+ };
+
+ vreg_l13b_3p0: ldo13 {
+ regulator-name = "vreg_l13b_3p0";
+ regulator-min-microvolt = <3072000>;
+ regulator-max-microvolt = <3100000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l14b_3p0: ldo14 {
+ regulator-name = "vreg_l14b_3p0";
+ regulator-min-microvolt = <3072000>;
+ regulator-max-microvolt = <3072000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l15b_1p8: ldo15 {
+ regulator-name = "vreg_l15b_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ regulator-always-on;
+ };
+
+ vreg_l16b_2p9: ldo16 {
+ regulator-name = "vreg_l16b_2p9";
+ regulator-min-microvolt = <2912000>;
+ regulator-max-microvolt = <2912000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l17b_2p5: ldo17 {
+ regulator-name = "vreg_l17b_2p5";
+ regulator-min-microvolt = <2504000>;
+ regulator-max-microvolt = <2504000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380VE_C */
+ regulators-1 {
+ compatible = "qcom,pm8550ve-rpmh-regulators";
+ qcom,pmic-id = "c";
+
+ vdd-l1-supply = <&vreg_s5j_1p2>;
+ vdd-l2-supply = <&vreg_s1f_0p7>;
+ vdd-l3-supply = <&vreg_s1f_0p7>;
+ vdd-s4-supply = <&vph_pwr>;
+
+ vreg_s4c_1p8: smps4 {
+ regulator-name = "vreg_s4c_1p8";
+ regulator-min-microvolt = <1856000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l1c_1p2: ldo1 {
+ regulator-name = "vreg_l1c_1p2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2c_0p8: ldo2 {
+ regulator-name = "vreg_l2c_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3c_0p8: ldo3 {
+ regulator-name = "vreg_l3c_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380_D */
+ regulators-2 {
+ compatible = "qcom,pmc8380-rpmh-regulators";
+ qcom,pmic-id = "d";
+
+ vdd-l1-supply = <&vreg_s1f_0p7>;
+ vdd-l2-supply = <&vreg_s1f_0p7>;
+ vdd-l3-supply = <&vreg_s4c_1p8>;
+ vdd-s1-supply = <&vph_pwr>;
+
+ vreg_l1d_0p8: ldo1 {
+ regulator-name = "vreg_l1d_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2d_0p9: ldo2 {
+ regulator-name = "vreg_l2d_0p9";
+ regulator-min-microvolt = <912000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3d_1p8: ldo3 {
+ regulator-name = "vreg_l3d_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380_E */
+ regulators-3 {
+ compatible = "qcom,pmc8380-rpmh-regulators";
+ qcom,pmic-id = "e";
+
+ vdd-l2-supply = <&vreg_s1f_0p7>;
+ vdd-l3-supply = <&vreg_s5j_1p2>;
+
+ vreg_l2e_0p8: ldo2 {
+ regulator-name = "vreg_l2e_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3e_1p2: ldo3 {
+ regulator-name = "vreg_l3e_1p2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380_F */
+ regulators-4 {
+ compatible = "qcom,pmc8380-rpmh-regulators";
+ qcom,pmic-id = "f";
+
+ vdd-l1-supply = <&vreg_s5j_1p2>;
+ vdd-l2-supply = <&vreg_s5j_1p2>;
+ vdd-l3-supply = <&vreg_s5j_1p2>;
+ vdd-s1-supply = <&vph_pwr>;
+
+ vreg_s1f_0p7: smps1 {
+ regulator-name = "vreg_s1f_0p7";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l1f_1p0: ldo1 {
+ regulator-name = "vreg_l1f_1p0";
+ regulator-min-microvolt = <1024000>;
+ regulator-max-microvolt = <1024000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2f_1p0: ldo2 {
+ regulator-name = "vreg_l2f_1p0";
+ regulator-min-microvolt = <1024000>;
+ regulator-max-microvolt = <1024000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3f_1p0: ldo3 {
+ regulator-name = "vreg_l3f_1p0";
+ regulator-min-microvolt = <1024000>;
+ regulator-max-microvolt = <1024000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380VE_I */
+ regulators-6 {
+ compatible = "qcom,pm8550ve-rpmh-regulators";
+ qcom,pmic-id = "i";
+
+ vdd-l1-supply = <&vreg_s4c_1p8>;
+ vdd-l2-supply = <&vreg_s5j_1p2>;
+ vdd-l3-supply = <&vreg_s1f_0p7>;
+ vdd-s1-supply = <&vph_pwr>;
+ vdd-s2-supply = <&vph_pwr>;
+
+ vreg_s1i_0p9: smps1 {
+ regulator-name = "vreg_s1i_0p9";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_s2i_1p0: smps2 {
+ regulator-name = "vreg_s2i_1p0";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l1i_1p8: ldo1 {
+ regulator-name = "vreg_l1i_1p8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ 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>;
+ };
+
+ vreg_l3i_0p8: ldo3 {
+ regulator-name = "vreg_l3i_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+
+ /* PMC8380VE_J */
+ regulators-7 {
+ compatible = "qcom,pm8550ve-rpmh-regulators";
+ qcom,pmic-id = "j";
+
+ vdd-l1-supply = <&vreg_s1f_0p7>;
+ vdd-l2-supply = <&vreg_s5j_1p2>;
+ vdd-l3-supply = <&vreg_s1f_0p7>;
+ vdd-s5-supply = <&vph_pwr>;
+
+ vreg_s5j_1p2: smps5 {
+ regulator-name = "vreg_s5j_1p2";
+ regulator-min-microvolt = <1256000>;
+ regulator-max-microvolt = <1304000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l1j_0p8: ldo1 {
+ regulator-name = "vreg_l1j_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l2j_1p2: ldo2 {
+ regulator-name = "vreg_l2j_1p2";
+ regulator-min-microvolt = <1256000>;
+ regulator-max-microvolt = <1256000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
+ vreg_l3j_0p8: ldo3 {
+ regulator-name = "vreg_l3j_0p8";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <920000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+ };
+};
+
+&pcie4 {
+ perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&pcie4_default>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie4_phy {
+ vdda-phy-supply = <&vreg_l3i_0p8>;
+ vdda-pll-supply = <&vreg_l3e_1p2>;
+
+ status = "okay";
+};
+
+&pcie6a {
+ perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&pcie6a_default>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie6a_phy {
+ vdda-phy-supply = <&vreg_l1d_0p8>;
+ vdda-pll-supply = <&vreg_l2j_1p2>;
+
+ status = "okay";
+};
+
+&qupv3_0 {
+ status = "okay";
+};
+
+&qupv3_1 {
+ status = "okay";
+};
+
+&qupv3_2 {
+ status = "okay";
+};
+
+&remoteproc_adsp {
+ firmware-name = "qcom/x1e80100/adsp.mbn",
+ "qcom/x1e80100/adsp_dtb.mbn";
+
+ status = "okay";
+};
+
+&remoteproc_cdsp {
+ firmware-name = "qcom/x1e80100/cdsp.mbn",
+ "qcom/x1e80100/cdsp_dtb.mbn";
+
+ status = "okay";
+};
+
+&tlmm {
+ gpio-reserved-ranges = <34 2>, /* TPM LP & INT */
+ <44 4>; /* SPI (TPM) */
+
+ pcie4_default: pcie4-default-state {
+ clkreq-n-pins {
+ pins = "gpio147";
+ function = "pcie4_clk";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio146";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ wake-n-pins {
+ pins = "gpio148";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ pcie6a_default: pcie6a-default-state {
+ clkreq-n-pins {
+ pins = "gpio153";
+ function = "pcie6a_clk";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio152";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ wake-n-pins {
+ pins = "gpio154";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+
+ };
+ };
+};
+
+&usb_1_ss0 {
+ status = "okay";
+};
+
+&usb_1_ss0_dwc3 {
+ dr_mode = "otg";
+ usb-role-switch;
+};
+
+&usb_1_ss0_hsphy {
+ vdd-supply = <&vreg_l3j_0p8>;
+ vdda12-supply = <&vreg_l2j_1p2>;
+
+ status = "okay";
+};
+
+&usb_1_ss0_qmpphy {
+ vdda-phy-supply = <&vreg_l2j_1p2>;
+ vdda-pll-supply = <&vreg_l1j_0p8>;
+
+ status = "okay";
+};
+
+&usb_1_ss1 {
+ status = "okay";
+};
+
+&usb_1_ss1_dwc3 {
+ dr_mode = "otg";
+ usb-role-switch;
+};
+
+&usb_1_ss1_hsphy {
+ vdd-supply = <&vreg_l3j_0p8>;
+ vdda12-supply = <&vreg_l2j_1p2>;
+
+ status = "okay";
+};
+
+&usb_1_ss1_qmpphy {
+ vdda-phy-supply = <&vreg_l2j_1p2>;
+ vdda-pll-supply = <&vreg_l2d_0p9>;
+
+ status = "okay";
+};
+
+&usb_1_ss2 {
+ status = "okay";
+};
+
+&usb_1_ss2_dwc3 {
+ dr_mode = "otg";
+ usb-role-switch;
+};
+
+&usb_1_ss2_hsphy {
+ vdd-supply = <&vreg_l3j_0p8>;
+ vdda12-supply = <&vreg_l2j_1p2>;
+
+ status = "okay";
+};
+
+&usb_1_ss2_qmpphy {
+ vdda-phy-supply = <&vreg_l2j_1p2>;
+ vdda-pll-supply = <&vreg_l2d_0p9>;
+
+ status = "okay";
+};
+
+&usb_2 {
+ status = "okay";
+};
+
+&usb_2_dwc3 {
+ dr_mode = "host";
+};
+
+&usb_2_hsphy {
+ vdd-supply = <&vreg_l2e_0p8>;
+ vdda12-supply = <&vreg_l3e_1p2>;
+
+ status = "okay";
+};
+
+&usb_mp {
+ status = "okay";
+};
+
+&usb_mp_hsphy0 {
+ vdd-supply = <&vreg_l2e_0p8>;
+ vdda12-supply = <&vreg_l3e_1p2>;
+
+ status = "okay";
+};
+
+&usb_mp_hsphy1 {
+ vdd-supply = <&vreg_l2e_0p8>;
+ vdda12-supply = <&vreg_l3e_1p2>;
+
+ status = "okay";
+};
+
+&usb_mp_qmpphy0 {
+ vdda-phy-supply = <&vreg_l3e_1p2>;
+ vdda-pll-supply = <&vreg_l3c_0p8>;
+
+ status = "okay";
+};
+
+&usb_mp_qmpphy1 {
+ vdda-phy-supply = <&vreg_l3e_1p2>;
+ vdda-pll-supply = <&vreg_l3c_0p8>;
+
+ status = "okay";
+};
--
2.34.1
On 29/07/2025 03:31, Yijie Yang wrote: > The HAMOA-IOT-SOM is a compact computing module that integrates a System > on Chip (SoC) — specifically the x1e80100 — along with essential > components optimized for IoT applications. It is designed to be mounted on > carrier boards, enabling the development of complete embedded systems. > > This change enables and overlays the following components: > - Regulators on the SOM > - Reserved memory regions > - PCIe6a and its PHY > - PCIe4 and its PHY > - USB0 through USB6 and their PHYs > - ADSP, CDSP > - WLAN, Bluetooth (M.2 interface) > > Written with contributions from Yingying Tang (added PCIe4 and its PHY to > enable WLAN). > > Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com> > --- > arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 609 ++++++++++++++++++++++++++++ > 1 file changed, 609 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi > new file mode 100644 > index 0000000000000000000000000000000000000000..5facc5544c3df05b89b25fbcb5cd331e93040f15 > --- /dev/null > +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi > @@ -0,0 +1,609 @@ > +// SPDX-License-Identifier: BSD-3-Clause > +/* > + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. There is some discussion inside, so maybe you already resolved it. If not: please use copyright format as requested by GPL FAQ, so provide date of first publication of this patch on mailing lists. Best regards, Krzysztof
On Tue, Jul 29, 2025 at 09:31:59AM +0800, Yijie Yang wrote:
> The HAMOA-IOT-SOM is a compact computing module that integrates a System
> on Chip (SoC) — specifically the x1e80100 — along with essential
> components optimized for IoT applications. It is designed to be mounted on
> carrier boards, enabling the development of complete embedded systems.
>
> This change enables and overlays the following components:
What does this mean, how can it overlay something?
> - Regulators on the SOM
> - Reserved memory regions
> - PCIe6a and its PHY
> - PCIe4 and its PHY
> - USB0 through USB6 and their PHYs
> - ADSP, CDSP
> - WLAN, Bluetooth (M.2 interface)
>
> Written with contributions from Yingying Tang (added PCIe4 and its PHY to
> enable WLAN).
>
> Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 609 ++++++++++++++++++++++++++++
> 1 file changed, 609 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> new file mode 100644
> index 0000000000000000000000000000000000000000..5facc5544c3df05b89b25fbcb5cd331e93040f15
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> @@ -0,0 +1,609 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +#include "x1e80100.dtsi"
> +#include "x1e80100-pmics.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +
> +/ {
> + compatible = "hamoa-iot-som", "qcom,x1e80100";
> +
> + reserved-memory {
> + linux,cma {
> + compatible = "shared-dma-pool";
> + size = <0x0 0x8000000>;
> + reusable;
> + linux,cma-default;
> + };
> + };
> +};
> +
> +&apps_rsc {
> + /* PMC8380C_B */
> + regulators-0 {
> + compatible = "qcom,pm8550-rpmh-regulators";
> + qcom,pmic-id = "b";
> +
> + vdd-bob1-supply = <&vph_pwr>;
> + vdd-bob2-supply = <&vph_pwr>;
> + vdd-l1-l4-l10-supply = <&vreg_s4c_1p8>;
> + vdd-l2-l13-l14-supply = <&vreg_bob1>;
> + vdd-l5-l16-supply = <&vreg_bob1>;
> + vdd-l6-l7-supply = <&vreg_bob2>;
> + vdd-l8-l9-supply = <&vreg_bob1>;
> + vdd-l12-supply = <&vreg_s5j_1p2>;
> + vdd-l15-supply = <&vreg_s4c_1p8>;
> + vdd-l17-supply = <&vreg_bob2>;
> +
> + vreg_bob1: bob1 {
> + regulator-name = "vreg_bob1";
> + regulator-min-microvolt = <3008000>;
> + regulator-max-microvolt = <3960000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_bob2: bob2 {
> + regulator-name = "vreg_bob2";
> + regulator-min-microvolt = <2504000>;
> + regulator-max-microvolt = <3008000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l1b_1p8: ldo1 {
> + regulator-name = "vreg_l1b_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l2b_3p0: ldo2 {
> + regulator-name = "vreg_l2b_3p0";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3100000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l4b_1p8: ldo4 {
> + regulator-name = "vreg_l4b_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l5b_3p0: ldo5 {
> + regulator-name = "vreg_l5b_3p0";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l6b_1p8: ldo6 {
> + regulator-name = "vreg_l6b_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2960000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l7b_2p8: ldo7 {
> + regulator-name = "vreg_l7b_2p8";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l8b_3p0: ldo8 {
> + regulator-name = "vreg_l8b_3p0";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l9b_2p9: ldo9 {
> + regulator-name = "vreg_l9b_2p9";
> + regulator-min-microvolt = <2960000>;
> + regulator-max-microvolt = <2960000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l10b_1p8: ldo10 {
> + regulator-name = "vreg_l10b_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l12b_1p2: ldo12 {
> + regulator-name = "vreg_l12b_1p2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-always-on;
> + };
> +
> + vreg_l13b_3p0: ldo13 {
> + regulator-name = "vreg_l13b_3p0";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3100000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l14b_3p0: ldo14 {
> + regulator-name = "vreg_l14b_3p0";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l15b_1p8: ldo15 {
> + regulator-name = "vreg_l15b_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-always-on;
> + };
> +
> + vreg_l16b_2p9: ldo16 {
> + regulator-name = "vreg_l16b_2p9";
> + regulator-min-microvolt = <2912000>;
> + regulator-max-microvolt = <2912000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l17b_2p5: ldo17 {
> + regulator-name = "vreg_l17b_2p5";
> + regulator-min-microvolt = <2504000>;
> + regulator-max-microvolt = <2504000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380VE_C */
> + regulators-1 {
> + compatible = "qcom,pm8550ve-rpmh-regulators";
> + qcom,pmic-id = "c";
> +
> + vdd-l1-supply = <&vreg_s5j_1p2>;
> + vdd-l2-supply = <&vreg_s1f_0p7>;
> + vdd-l3-supply = <&vreg_s1f_0p7>;
> + vdd-s4-supply = <&vph_pwr>;
> +
> + vreg_s4c_1p8: smps4 {
> + regulator-name = "vreg_s4c_1p8";
> + regulator-min-microvolt = <1856000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l1c_1p2: ldo1 {
> + regulator-name = "vreg_l1c_1p2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l2c_0p8: ldo2 {
> + regulator-name = "vreg_l2c_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3c_0p8: ldo3 {
> + regulator-name = "vreg_l3c_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380_D */
> + regulators-2 {
> + compatible = "qcom,pmc8380-rpmh-regulators";
> + qcom,pmic-id = "d";
> +
> + vdd-l1-supply = <&vreg_s1f_0p7>;
> + vdd-l2-supply = <&vreg_s1f_0p7>;
> + vdd-l3-supply = <&vreg_s4c_1p8>;
> + vdd-s1-supply = <&vph_pwr>;
> +
> + vreg_l1d_0p8: ldo1 {
> + regulator-name = "vreg_l1d_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l2d_0p9: ldo2 {
> + regulator-name = "vreg_l2d_0p9";
> + regulator-min-microvolt = <912000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3d_1p8: ldo3 {
> + regulator-name = "vreg_l3d_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380_E */
> + regulators-3 {
> + compatible = "qcom,pmc8380-rpmh-regulators";
> + qcom,pmic-id = "e";
> +
> + vdd-l2-supply = <&vreg_s1f_0p7>;
> + vdd-l3-supply = <&vreg_s5j_1p2>;
> +
> + vreg_l2e_0p8: ldo2 {
> + regulator-name = "vreg_l2e_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3e_1p2: ldo3 {
> + regulator-name = "vreg_l3e_1p2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380_F */
> + regulators-4 {
> + compatible = "qcom,pmc8380-rpmh-regulators";
> + qcom,pmic-id = "f";
> +
> + vdd-l1-supply = <&vreg_s5j_1p2>;
> + vdd-l2-supply = <&vreg_s5j_1p2>;
> + vdd-l3-supply = <&vreg_s5j_1p2>;
> + vdd-s1-supply = <&vph_pwr>;
> +
> + vreg_s1f_0p7: smps1 {
> + regulator-name = "vreg_s1f_0p7";
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l1f_1p0: ldo1 {
> + regulator-name = "vreg_l1f_1p0";
> + regulator-min-microvolt = <1024000>;
> + regulator-max-microvolt = <1024000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l2f_1p0: ldo2 {
> + regulator-name = "vreg_l2f_1p0";
> + regulator-min-microvolt = <1024000>;
> + regulator-max-microvolt = <1024000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3f_1p0: ldo3 {
> + regulator-name = "vreg_l3f_1p0";
> + regulator-min-microvolt = <1024000>;
> + regulator-max-microvolt = <1024000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380VE_I */
> + regulators-6 {
> + compatible = "qcom,pm8550ve-rpmh-regulators";
> + qcom,pmic-id = "i";
> +
> + vdd-l1-supply = <&vreg_s4c_1p8>;
> + vdd-l2-supply = <&vreg_s5j_1p2>;
> + vdd-l3-supply = <&vreg_s1f_0p7>;
> + vdd-s1-supply = <&vph_pwr>;
> + vdd-s2-supply = <&vph_pwr>;
> +
> + vreg_s1i_0p9: smps1 {
> + regulator-name = "vreg_s1i_0p9";
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_s2i_1p0: smps2 {
> + regulator-name = "vreg_s2i_1p0";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l1i_1p8: ldo1 {
> + regulator-name = "vreg_l1i_1p8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + 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>;
> + };
> +
> + vreg_l3i_0p8: ldo3 {
> + regulator-name = "vreg_l3i_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +
> + /* PMC8380VE_J */
> + regulators-7 {
> + compatible = "qcom,pm8550ve-rpmh-regulators";
> + qcom,pmic-id = "j";
> +
> + vdd-l1-supply = <&vreg_s1f_0p7>;
> + vdd-l2-supply = <&vreg_s5j_1p2>;
> + vdd-l3-supply = <&vreg_s1f_0p7>;
> + vdd-s5-supply = <&vph_pwr>;
> +
> + vreg_s5j_1p2: smps5 {
> + regulator-name = "vreg_s5j_1p2";
> + regulator-min-microvolt = <1256000>;
> + regulator-max-microvolt = <1304000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l1j_0p8: ldo1 {
> + regulator-name = "vreg_l1j_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l2j_1p2: ldo2 {
> + regulator-name = "vreg_l2j_1p2";
> + regulator-min-microvolt = <1256000>;
> + regulator-max-microvolt = <1256000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3j_0p8: ldo3 {
> + regulator-name = "vreg_l3j_0p8";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <920000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> +};
> +
> +&pcie4 {
> + perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
> + wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-0 = <&pcie4_default>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
> +
> +&pcie4_phy {
> + vdda-phy-supply = <&vreg_l3i_0p8>;
> + vdda-pll-supply = <&vreg_l3e_1p2>;
> +
> + status = "okay";
> +};
> +
> +&pcie6a {
> + perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
> + wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-0 = <&pcie6a_default>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
> +
> +&pcie6a_phy {
> + vdda-phy-supply = <&vreg_l1d_0p8>;
> + vdda-pll-supply = <&vreg_l2j_1p2>;
> +
> + status = "okay";
> +};
> +
> +&qupv3_0 {
> + status = "okay";
> +};
> +
> +&qupv3_1 {
> + status = "okay";
> +};
> +
> +&qupv3_2 {
> + status = "okay";
> +};
> +
> +&remoteproc_adsp {
> + firmware-name = "qcom/x1e80100/adsp.mbn",
> + "qcom/x1e80100/adsp_dtb.mbn";
> +
> + status = "okay";
> +};
> +
> +&remoteproc_cdsp {
> + firmware-name = "qcom/x1e80100/cdsp.mbn",
> + "qcom/x1e80100/cdsp_dtb.mbn";
> +
> + status = "okay";
> +};
> +
> +&tlmm {
> + gpio-reserved-ranges = <34 2>, /* TPM LP & INT */
> + <44 4>; /* SPI (TPM) */
> +
> + pcie4_default: pcie4-default-state {
> + clkreq-n-pins {
> + pins = "gpio147";
> + function = "pcie4_clk";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> + perst-n-pins {
> + pins = "gpio146";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + wake-n-pins {
> + pins = "gpio148";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> + };
> +
> + pcie6a_default: pcie6a-default-state {
> + clkreq-n-pins {
> + pins = "gpio153";
> + function = "pcie6a_clk";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> + perst-n-pins {
> + pins = "gpio152";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + wake-n-pins {
> + pins = "gpio154";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> +
> + };
> + };
> +};
> +
> +&usb_1_ss0 {
> + status = "okay";
> +};
> +
> +&usb_1_ss0_dwc3 {
> + dr_mode = "otg";
Should not be necessary, otg is a default.
> + usb-role-switch;
This should be a part of the x1e80100.dtsi, but please see commit
7db0ba3e6e6c ("Revert "arm64: dts: qcom: x1e80100: enable OTG on USB-C
controllers"")
> +};
> +
> +&usb_1_ss0_hsphy {
> + vdd-supply = <&vreg_l3j_0p8>;
> + vdda12-supply = <&vreg_l2j_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_ss0_qmpphy {
> + vdda-phy-supply = <&vreg_l2j_1p2>;
> + vdda-pll-supply = <&vreg_l1j_0p8>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_ss1 {
> + status = "okay";
> +};
> +
> +&usb_1_ss1_dwc3 {
> + dr_mode = "otg";
> + usb-role-switch;
> +};
> +
> +&usb_1_ss1_hsphy {
> + vdd-supply = <&vreg_l3j_0p8>;
> + vdda12-supply = <&vreg_l2j_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_ss1_qmpphy {
> + vdda-phy-supply = <&vreg_l2j_1p2>;
> + vdda-pll-supply = <&vreg_l2d_0p9>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_ss2 {
> + status = "okay";
> +};
> +
> +&usb_1_ss2_dwc3 {
> + dr_mode = "otg";
> + usb-role-switch;
> +};
> +
> +&usb_1_ss2_hsphy {
> + vdd-supply = <&vreg_l3j_0p8>;
> + vdda12-supply = <&vreg_l2j_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_1_ss2_qmpphy {
> + vdda-phy-supply = <&vreg_l2j_1p2>;
> + vdda-pll-supply = <&vreg_l2d_0p9>;
> +
> + status = "okay";
> +};
> +
> +&usb_2 {
> + status = "okay";
> +};
> +
> +&usb_2_dwc3 {
> + dr_mode = "host";
Why? Is it actually host-only?
> +};
> +
> +&usb_2_hsphy {
> + vdd-supply = <&vreg_l2e_0p8>;
> + vdda12-supply = <&vreg_l3e_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_mp {
> + status = "okay";
> +};
> +
> +&usb_mp_hsphy0 {
> + vdd-supply = <&vreg_l2e_0p8>;
> + vdda12-supply = <&vreg_l3e_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_mp_hsphy1 {
> + vdd-supply = <&vreg_l2e_0p8>;
> + vdda12-supply = <&vreg_l3e_1p2>;
> +
> + status = "okay";
> +};
> +
> +&usb_mp_qmpphy0 {
> + vdda-phy-supply = <&vreg_l3e_1p2>;
> + vdda-pll-supply = <&vreg_l3c_0p8>;
> +
> + status = "okay";
> +};
> +
> +&usb_mp_qmpphy1 {
> + vdda-phy-supply = <&vreg_l3e_1p2>;
> + vdda-pll-supply = <&vreg_l3c_0p8>;
> +
> + status = "okay";
> +};
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
On 2025-07-29 18:44, Dmitry Baryshkov wrote:
> On Tue, Jul 29, 2025 at 09:31:59AM +0800, Yijie Yang wrote:
>> The HAMOA-IOT-SOM is a compact computing module that integrates a System
>> on Chip (SoC) — specifically the x1e80100 — along with essential
>> components optimized for IoT applications. It is designed to be mounted on
>> carrier boards, enabling the development of complete embedded systems.
>>
>> This change enables and overlays the following components:
>
> What does this mean, how can it overlay something?
What I want to convey here is that I referenced some nodes defined in
x1e80100.dtsi within this file to add additional properties. I’ll revise
the wording to make this clearer.
>
>> - Regulators on the SOM
>> - Reserved memory regions
>> - PCIe6a and its PHY
>> - PCIe4 and its PHY
>> - USB0 through USB6 and their PHYs
>> - ADSP, CDSP
>> - WLAN, Bluetooth (M.2 interface)
>>
>> Written with contributions from Yingying Tang (added PCIe4 and its PHY to
>> enable WLAN).
>>
>> Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
>> ---
>> arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 609 ++++++++++++++++++++++++++++
>> 1 file changed, 609 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
>> new file mode 100644
>> index 0000000000000000000000000000000000000000..5facc5544c3df05b89b25fbcb5cd331e93040f15
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
>> @@ -0,0 +1,609 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
>> + */
>> +
>> +#include "x1e80100.dtsi"
>> +#include "x1e80100-pmics.dtsi"
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>> +
>> +/ {
>> + compatible = "hamoa-iot-som", "qcom,x1e80100";
>> +
>> + reserved-memory {
>> + linux,cma {
>> + compatible = "shared-dma-pool";
>> + size = <0x0 0x8000000>;
>> + reusable;
>> + linux,cma-default;
>> + };
>> + };
>> +};
>> +
>> +&apps_rsc {
>> + /* PMC8380C_B */
>> + regulators-0 {
>> + compatible = "qcom,pm8550-rpmh-regulators";
>> + qcom,pmic-id = "b";
>> +
>> + vdd-bob1-supply = <&vph_pwr>;
>> + vdd-bob2-supply = <&vph_pwr>;
>> + vdd-l1-l4-l10-supply = <&vreg_s4c_1p8>;
>> + vdd-l2-l13-l14-supply = <&vreg_bob1>;
>> + vdd-l5-l16-supply = <&vreg_bob1>;
>> + vdd-l6-l7-supply = <&vreg_bob2>;
>> + vdd-l8-l9-supply = <&vreg_bob1>;
>> + vdd-l12-supply = <&vreg_s5j_1p2>;
>> + vdd-l15-supply = <&vreg_s4c_1p8>;
>> + vdd-l17-supply = <&vreg_bob2>;
>> +
>> + vreg_bob1: bob1 {
>> + regulator-name = "vreg_bob1";
>> + regulator-min-microvolt = <3008000>;
>> + regulator-max-microvolt = <3960000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_bob2: bob2 {
>> + regulator-name = "vreg_bob2";
>> + regulator-min-microvolt = <2504000>;
>> + regulator-max-microvolt = <3008000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l1b_1p8: ldo1 {
>> + regulator-name = "vreg_l1b_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l2b_3p0: ldo2 {
>> + regulator-name = "vreg_l2b_3p0";
>> + regulator-min-microvolt = <3072000>;
>> + regulator-max-microvolt = <3100000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l4b_1p8: ldo4 {
>> + regulator-name = "vreg_l4b_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l5b_3p0: ldo5 {
>> + regulator-name = "vreg_l5b_3p0";
>> + regulator-min-microvolt = <3000000>;
>> + regulator-max-microvolt = <3000000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l6b_1p8: ldo6 {
>> + regulator-name = "vreg_l6b_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <2960000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l7b_2p8: ldo7 {
>> + regulator-name = "vreg_l7b_2p8";
>> + regulator-min-microvolt = <2800000>;
>> + regulator-max-microvolt = <2800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l8b_3p0: ldo8 {
>> + regulator-name = "vreg_l8b_3p0";
>> + regulator-min-microvolt = <3072000>;
>> + regulator-max-microvolt = <3072000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l9b_2p9: ldo9 {
>> + regulator-name = "vreg_l9b_2p9";
>> + regulator-min-microvolt = <2960000>;
>> + regulator-max-microvolt = <2960000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l10b_1p8: ldo10 {
>> + regulator-name = "vreg_l10b_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l12b_1p2: ldo12 {
>> + regulator-name = "vreg_l12b_1p2";
>> + regulator-min-microvolt = <1200000>;
>> + regulator-max-microvolt = <1200000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + regulator-always-on;
>> + };
>> +
>> + vreg_l13b_3p0: ldo13 {
>> + regulator-name = "vreg_l13b_3p0";
>> + regulator-min-microvolt = <3072000>;
>> + regulator-max-microvolt = <3100000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l14b_3p0: ldo14 {
>> + regulator-name = "vreg_l14b_3p0";
>> + regulator-min-microvolt = <3072000>;
>> + regulator-max-microvolt = <3072000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l15b_1p8: ldo15 {
>> + regulator-name = "vreg_l15b_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + regulator-always-on;
>> + };
>> +
>> + vreg_l16b_2p9: ldo16 {
>> + regulator-name = "vreg_l16b_2p9";
>> + regulator-min-microvolt = <2912000>;
>> + regulator-max-microvolt = <2912000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l17b_2p5: ldo17 {
>> + regulator-name = "vreg_l17b_2p5";
>> + regulator-min-microvolt = <2504000>;
>> + regulator-max-microvolt = <2504000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380VE_C */
>> + regulators-1 {
>> + compatible = "qcom,pm8550ve-rpmh-regulators";
>> + qcom,pmic-id = "c";
>> +
>> + vdd-l1-supply = <&vreg_s5j_1p2>;
>> + vdd-l2-supply = <&vreg_s1f_0p7>;
>> + vdd-l3-supply = <&vreg_s1f_0p7>;
>> + vdd-s4-supply = <&vph_pwr>;
>> +
>> + vreg_s4c_1p8: smps4 {
>> + regulator-name = "vreg_s4c_1p8";
>> + regulator-min-microvolt = <1856000>;
>> + regulator-max-microvolt = <2000000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l1c_1p2: ldo1 {
>> + regulator-name = "vreg_l1c_1p2";
>> + regulator-min-microvolt = <1200000>;
>> + regulator-max-microvolt = <1200000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l2c_0p8: ldo2 {
>> + regulator-name = "vreg_l2c_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l3c_0p8: ldo3 {
>> + regulator-name = "vreg_l3c_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380_D */
>> + regulators-2 {
>> + compatible = "qcom,pmc8380-rpmh-regulators";
>> + qcom,pmic-id = "d";
>> +
>> + vdd-l1-supply = <&vreg_s1f_0p7>;
>> + vdd-l2-supply = <&vreg_s1f_0p7>;
>> + vdd-l3-supply = <&vreg_s4c_1p8>;
>> + vdd-s1-supply = <&vph_pwr>;
>> +
>> + vreg_l1d_0p8: ldo1 {
>> + regulator-name = "vreg_l1d_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l2d_0p9: ldo2 {
>> + regulator-name = "vreg_l2d_0p9";
>> + regulator-min-microvolt = <912000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l3d_1p8: ldo3 {
>> + regulator-name = "vreg_l3d_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380_E */
>> + regulators-3 {
>> + compatible = "qcom,pmc8380-rpmh-regulators";
>> + qcom,pmic-id = "e";
>> +
>> + vdd-l2-supply = <&vreg_s1f_0p7>;
>> + vdd-l3-supply = <&vreg_s5j_1p2>;
>> +
>> + vreg_l2e_0p8: ldo2 {
>> + regulator-name = "vreg_l2e_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l3e_1p2: ldo3 {
>> + regulator-name = "vreg_l3e_1p2";
>> + regulator-min-microvolt = <1200000>;
>> + regulator-max-microvolt = <1200000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380_F */
>> + regulators-4 {
>> + compatible = "qcom,pmc8380-rpmh-regulators";
>> + qcom,pmic-id = "f";
>> +
>> + vdd-l1-supply = <&vreg_s5j_1p2>;
>> + vdd-l2-supply = <&vreg_s5j_1p2>;
>> + vdd-l3-supply = <&vreg_s5j_1p2>;
>> + vdd-s1-supply = <&vph_pwr>;
>> +
>> + vreg_s1f_0p7: smps1 {
>> + regulator-name = "vreg_s1f_0p7";
>> + regulator-min-microvolt = <700000>;
>> + regulator-max-microvolt = <1100000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l1f_1p0: ldo1 {
>> + regulator-name = "vreg_l1f_1p0";
>> + regulator-min-microvolt = <1024000>;
>> + regulator-max-microvolt = <1024000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l2f_1p0: ldo2 {
>> + regulator-name = "vreg_l2f_1p0";
>> + regulator-min-microvolt = <1024000>;
>> + regulator-max-microvolt = <1024000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l3f_1p0: ldo3 {
>> + regulator-name = "vreg_l3f_1p0";
>> + regulator-min-microvolt = <1024000>;
>> + regulator-max-microvolt = <1024000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380VE_I */
>> + regulators-6 {
>> + compatible = "qcom,pm8550ve-rpmh-regulators";
>> + qcom,pmic-id = "i";
>> +
>> + vdd-l1-supply = <&vreg_s4c_1p8>;
>> + vdd-l2-supply = <&vreg_s5j_1p2>;
>> + vdd-l3-supply = <&vreg_s1f_0p7>;
>> + vdd-s1-supply = <&vph_pwr>;
>> + vdd-s2-supply = <&vph_pwr>;
>> +
>> + vreg_s1i_0p9: smps1 {
>> + regulator-name = "vreg_s1i_0p9";
>> + regulator-min-microvolt = <900000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_s2i_1p0: smps2 {
>> + regulator-name = "vreg_s2i_1p0";
>> + regulator-min-microvolt = <1000000>;
>> + regulator-max-microvolt = <1100000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l1i_1p8: ldo1 {
>> + regulator-name = "vreg_l1i_1p8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + 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>;
>> + };
>> +
>> + vreg_l3i_0p8: ldo3 {
>> + regulator-name = "vreg_l3i_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +
>> + /* PMC8380VE_J */
>> + regulators-7 {
>> + compatible = "qcom,pm8550ve-rpmh-regulators";
>> + qcom,pmic-id = "j";
>> +
>> + vdd-l1-supply = <&vreg_s1f_0p7>;
>> + vdd-l2-supply = <&vreg_s5j_1p2>;
>> + vdd-l3-supply = <&vreg_s1f_0p7>;
>> + vdd-s5-supply = <&vph_pwr>;
>> +
>> + vreg_s5j_1p2: smps5 {
>> + regulator-name = "vreg_s5j_1p2";
>> + regulator-min-microvolt = <1256000>;
>> + regulator-max-microvolt = <1304000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l1j_0p8: ldo1 {
>> + regulator-name = "vreg_l1j_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l2j_1p2: ldo2 {
>> + regulator-name = "vreg_l2j_1p2";
>> + regulator-min-microvolt = <1256000>;
>> + regulator-max-microvolt = <1256000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> +
>> + vreg_l3j_0p8: ldo3 {
>> + regulator-name = "vreg_l3j_0p8";
>> + regulator-min-microvolt = <880000>;
>> + regulator-max-microvolt = <920000>;
>> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>> + };
>> + };
>> +};
>> +
>> +&pcie4 {
>> + perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
>> + wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
>> +
>> + pinctrl-0 = <&pcie4_default>;
>> + pinctrl-names = "default";
>> +
>> + status = "okay";
>> +};
>> +
>> +&pcie4_phy {
>> + vdda-phy-supply = <&vreg_l3i_0p8>;
>> + vdda-pll-supply = <&vreg_l3e_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&pcie6a {
>> + perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
>> + wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
>> +
>> + pinctrl-0 = <&pcie6a_default>;
>> + pinctrl-names = "default";
>> +
>> + status = "okay";
>> +};
>> +
>> +&pcie6a_phy {
>> + vdda-phy-supply = <&vreg_l1d_0p8>;
>> + vdda-pll-supply = <&vreg_l2j_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&qupv3_0 {
>> + status = "okay";
>> +};
>> +
>> +&qupv3_1 {
>> + status = "okay";
>> +};
>> +
>> +&qupv3_2 {
>> + status = "okay";
>> +};
>> +
>> +&remoteproc_adsp {
>> + firmware-name = "qcom/x1e80100/adsp.mbn",
>> + "qcom/x1e80100/adsp_dtb.mbn";
>> +
>> + status = "okay";
>> +};
>> +
>> +&remoteproc_cdsp {
>> + firmware-name = "qcom/x1e80100/cdsp.mbn",
>> + "qcom/x1e80100/cdsp_dtb.mbn";
>> +
>> + status = "okay";
>> +};
>> +
>> +&tlmm {
>> + gpio-reserved-ranges = <34 2>, /* TPM LP & INT */
>> + <44 4>; /* SPI (TPM) */
>> +
>> + pcie4_default: pcie4-default-state {
>> + clkreq-n-pins {
>> + pins = "gpio147";
>> + function = "pcie4_clk";
>> + drive-strength = <2>;
>> + bias-pull-up;
>> + };
>> +
>> + perst-n-pins {
>> + pins = "gpio146";
>> + function = "gpio";
>> + drive-strength = <2>;
>> + bias-disable;
>> + };
>> +
>> + wake-n-pins {
>> + pins = "gpio148";
>> + function = "gpio";
>> + drive-strength = <2>;
>> + bias-pull-up;
>> + };
>> + };
>> +
>> + pcie6a_default: pcie6a-default-state {
>> + clkreq-n-pins {
>> + pins = "gpio153";
>> + function = "pcie6a_clk";
>> + drive-strength = <2>;
>> + bias-pull-up;
>> + };
>> +
>> + perst-n-pins {
>> + pins = "gpio152";
>> + function = "gpio";
>> + drive-strength = <2>;
>> + bias-disable;
>> + };
>> +
>> + wake-n-pins {
>> + pins = "gpio154";
>> + function = "gpio";
>> + drive-strength = <2>;
>> + bias-pull-up;
>> +
>> + };
>> + };
>> +};
>> +
>> +&usb_1_ss0 {
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss0_dwc3 {
>> + dr_mode = "otg";
>
> Should not be necessary, otg is a default.
>
>> + usb-role-switch;
>
> This should be a part of the x1e80100.dtsi, but please see commit
> 7db0ba3e6e6c ("Revert "arm64: dts: qcom: x1e80100: enable OTG on USB-C
> controllers"")
>
>> +};
>> +
>> +&usb_1_ss0_hsphy {
>> + vdd-supply = <&vreg_l3j_0p8>;
>> + vdda12-supply = <&vreg_l2j_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss0_qmpphy {
>> + vdda-phy-supply = <&vreg_l2j_1p2>;
>> + vdda-pll-supply = <&vreg_l1j_0p8>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss1 {
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss1_dwc3 {
>> + dr_mode = "otg";
>> + usb-role-switch;
>> +};
>> +
>> +&usb_1_ss1_hsphy {
>> + vdd-supply = <&vreg_l3j_0p8>;
>> + vdda12-supply = <&vreg_l2j_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss1_qmpphy {
>> + vdda-phy-supply = <&vreg_l2j_1p2>;
>> + vdda-pll-supply = <&vreg_l2d_0p9>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss2 {
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss2_dwc3 {
>> + dr_mode = "otg";
>> + usb-role-switch;
>> +};
>> +
>> +&usb_1_ss2_hsphy {
>> + vdd-supply = <&vreg_l3j_0p8>;
>> + vdda12-supply = <&vreg_l2j_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_1_ss2_qmpphy {
>> + vdda-phy-supply = <&vreg_l2j_1p2>;
>> + vdda-pll-supply = <&vreg_l2d_0p9>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_2 {
>> + status = "okay";
>> +};
>> +
>> +&usb_2_dwc3 {
>> + dr_mode = "host";
>
> Why? Is it actually host-only?
>
>> +};
>> +
>> +&usb_2_hsphy {
>> + vdd-supply = <&vreg_l2e_0p8>;
>> + vdda12-supply = <&vreg_l3e_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_mp {
>> + status = "okay";
>> +};
>> +
>> +&usb_mp_hsphy0 {
>> + vdd-supply = <&vreg_l2e_0p8>;
>> + vdda12-supply = <&vreg_l3e_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_mp_hsphy1 {
>> + vdd-supply = <&vreg_l2e_0p8>;
>> + vdda12-supply = <&vreg_l3e_1p2>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_mp_qmpphy0 {
>> + vdda-phy-supply = <&vreg_l3e_1p2>;
>> + vdda-pll-supply = <&vreg_l3c_0p8>;
>> +
>> + status = "okay";
>> +};
>> +
>> +&usb_mp_qmpphy1 {
>> + vdda-phy-supply = <&vreg_l3e_1p2>;
>> + vdda-pll-supply = <&vreg_l3c_0p8>;
>> +
>> + status = "okay";
>> +};
>>
>> --
>> 2.34.1
>>
>
--
Best Regards,
Yijie
On 30/07/2025 03:11, Yijie Yang wrote: > > > On 2025-07-29 18:44, Dmitry Baryshkov wrote: >> On Tue, Jul 29, 2025 at 09:31:59AM +0800, Yijie Yang wrote: >>> The HAMOA-IOT-SOM is a compact computing module that integrates a System >>> on Chip (SoC) — specifically the x1e80100 — along with essential >>> components optimized for IoT applications. It is designed to be mounted on >>> carrier boards, enabling the development of complete embedded systems. >>> >>> This change enables and overlays the following components: >> >> What does this mean, how can it overlay something? > > What I want to convey here is that I referenced some nodes defined in > x1e80100.dtsi within this file to add additional properties. I’ll revise > the wording to make this clearer. That is not an overlay. Use proper, not misleading terms. Best regards, Krzysztof
On 2025-07-30 14:44, Krzysztof Kozlowski wrote: > On 30/07/2025 03:11, Yijie Yang wrote: >> >> >> On 2025-07-29 18:44, Dmitry Baryshkov wrote: >>> On Tue, Jul 29, 2025 at 09:31:59AM +0800, Yijie Yang wrote: >>>> The HAMOA-IOT-SOM is a compact computing module that integrates a System >>>> on Chip (SoC) — specifically the x1e80100 — along with essential >>>> components optimized for IoT applications. It is designed to be mounted on >>>> carrier boards, enabling the development of complete embedded systems. >>>> >>>> This change enables and overlays the following components: >>> >>> What does this mean, how can it overlay something? >> >> What I want to convey here is that I referenced some nodes defined in >> x1e80100.dtsi within this file to add additional properties. I’ll revise >> the wording to make this clearer. > > That is not an overlay. Use proper, not misleading terms. Thanks for pointing that out. I take care of it. > > Best regards, > Krzysztof -- Best Regards, Yijie
On 7/29/25 3:31 AM, Yijie Yang wrote: > The HAMOA-IOT-SOM is a compact computing module that integrates a System > on Chip (SoC) — specifically the x1e80100 — along with essential > components optimized for IoT applications. It is designed to be mounted on > carrier boards, enabling the development of complete embedded systems. > > This change enables and overlays the following components: > - Regulators on the SOM > - Reserved memory regions > - PCIe6a and its PHY > - PCIe4 and its PHY > - USB0 through USB6 and their PHYs > - ADSP, CDSP > - WLAN, Bluetooth (M.2 interface) > > Written with contributions from Yingying Tang (added PCIe4 and its PHY to > enable WLAN). > > Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Konrad
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