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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a3e3c3a56bsm96808445ad.20.2026.01.09.00.00.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jan 2026 00:00:14 -0800 (PST) From: YijieYang To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, yijie.yang@oss.qualcomm.com, krzysztof.kozlowski@oss.qualcomm.com Subject: [PATCH v2 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board Date: Fri, 9 Jan 2026 15:59:54 +0800 Message-Id: <20260109080000.606603-4-yijie.yang@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260109-purwa-v2-0-f39ee10684cb@oss.qualcomm.com> References: <20260109-purwa-v2-0-f39ee10684cb@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=GN8F0+NK c=1 sm=1 tr=0 ts=6960b590 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=FF0mWUak27Dk8idMgBgA:9 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: snYYrYBHvBPjPWuYYLFsfbytsNi65T2s X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA5MDA1NSBTYWx0ZWRfX42XoM4756qXp DGyIYTof5qPiVZzBBP74PrBz2kEEtfErOTk05dRJC5Abe5pTiX/XPNH+7j8HITDruTsmJkG7AM/ U8lowBEB3w9nRAN+oOJKc9r8YUXmzNMcRxcYZLAWHD54UPbTcRHI8YLAIFPROQnR7st3R32E9Uc Y+Qx8q/jslzIsZ0VG9aBuw3b1zn9coNdarh7neyk8HiD2ygAH5F0Pf1mfpB9WQevODMkcgauFgJ yvDhEgYNIVUGXdzM6gBA1BgRhXb4jXSuHalNRsze70JWQ3s7czdgmbf5yeKL4trc3fS+ugxZj58 PCk8nq69Y+e6n5kHtb5PCt8g6TVLLYCdhCtdgpBNDkI1DNVBUqar8iMDsqcEu0tEQfrQnzafnS5 3sM0YA6o0+wS0ZBCUErX5UhejeRNlQ8/g0BPPqU9bYRZyQxyKNhhHrb4pjUCYI4xOzR0qtjmOcD nr56u3ZeNu3tWmvOe6g== X-Proofpoint-ORIG-GUID: snYYrYBHvBPjPWuYYLFsfbytsNi65T2s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-09_02,2026-01-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 clxscore=1015 phishscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 malwarescore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601090055 Content-Type: text/plain; charset="utf-8" From: Yijie Yang The PURWA-IOT-EVK is an evaluation platform for IoT products, composed of the Purwa IoT SoM and a carrier board. Together, they form a complete embedded system capable of booting to UART. PURWA-IOT-EVK uses the PS8833 as a retimer for USB0, unlike HAMOA-IOT-EVK. Meanwhile, USB0 bypasses the SBU selector FSUSB42. As a result, the glink topology differs from that of HAMOA-IOT-EVK. Make the following peripherals on the carrier board enabled: - UART - On-board regulators - USB Type-C mux - Pinctrl - Embedded USB (EUSB) repeaters - NVMe - pmic-glink - USB DisplayPorts - Bluetooth - WLAN - Audio Signed-off-by: Yijie Yang --- arch/arm64/boot/dts/qcom/Makefile | 1 + .../{hamoa-iot-evk.dts =3D> purwa-iot-evk.dts} | 223 +++++------------- 2 files changed, 66 insertions(+), 158 deletions(-) copy arch/arm64/boot/dts/qcom/{hamoa-iot-evk.dts =3D> purwa-iot-evk.dts} (= 87%) diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/M= akefile index 0ccd6ec16dfb..2ed1500cbaa9 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -126,6 +126,7 @@ dtb-$(CONFIG_ARCH_QCOM) +=3D msm8998-sony-xperia-yoshin= o-lilac.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D msm8998-sony-xperia-yoshino-maple.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D msm8998-sony-xperia-yoshino-poplar.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D msm8998-xiaomi-sagit.dtb +dtb-$(CONFIG_ARCH_QCOM) +=3D purwa-iot-evk.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qcm6490-fairphone-fp5.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qcm6490-idp.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qcm6490-particle-tachyon.dtb diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/d= ts/qcom/purwa-iot-evk.dts similarity index 87% copy from arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts copy to arch/arm64/boot/dts/qcom/purwa-iot-evk.dts index 898b92627f84..781634b45eb0 100644 --- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts @@ -6,12 +6,12 @@ /dts-v1/; =20 #include -#include "hamoa-iot-som.dtsi" +#include "purwa-iot-som.dtsi" #include =20 / { - model =3D "Qualcomm Technologies, Inc. Hamoa IoT EVK"; - compatible =3D "qcom,hamoa-iot-evk", "qcom,hamoa-iot-som", "qcom,x1e80100= "; + model =3D "Qualcomm Technologies, Inc. Purwa IoT EVK"; + compatible =3D "qcom,purwa-iot-evk", "qcom,purwa-iot-som", "qcom,x1p42100= "; chassis-type =3D "embedded"; =20 aliases { @@ -19,16 +19,6 @@ aliases { serial1 =3D &uart14; }; =20 - backlight: backlight { - compatible =3D "pwm-backlight"; - pwms =3D <&pmk8550_pwm 0 5000000>; - enable-gpios =3D <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>; - power-supply =3D <&vreg_edp_bl>; - - pinctrl-0 =3D <&edp_bl_en>, <&edp_bl_pwm>; - pinctrl-names =3D "default"; - }; - wcd938x: audio-codec { compatible =3D "qcom,wcd9385-codec"; =20 @@ -60,32 +50,6 @@ chosen { stdout-path =3D "serial0:115200n8"; }; =20 - connector3 { - compatible =3D "usb-a-connector"; - label =3D "USB-3-Type-A"; - power-role =3D "source"; - - vbus-supply =3D <®ulator_usb3_vbus>; - - port { - connector_3_in: endpoint { - }; - }; - }; - - connector6 { - compatible =3D "usb-a-connector"; - label =3D "USB-6-Type-A"; - power-role =3D "source"; - - vbus-supply =3D <®ulator_usb6_vbus>; - - port { - connector_4_in: endpoint { - }; - }; - }; - pmic-glink { compatible =3D "qcom,x1e80100-pmic-glink", "qcom,sm8550-pmic-glink", @@ -118,15 +82,15 @@ port@1 { reg =3D <1>; =20 pmic_glink_ss0_ss_in: endpoint { - remote-endpoint =3D <&usb_1_ss0_qmpphy_out>; + remote-endpoint =3D <&retimer_ss0_ss_out>; }; }; =20 port@2 { reg =3D <2>; =20 - pmic_glink_ss0_sbu: endpoint { - remote-endpoint =3D <&usb_1_ss0_sbu_mux>; + pmic_glink_ss0_con_sbu_in: endpoint { + remote-endpoint =3D <&retimer_ss0_con_sbu_out>; }; }; }; @@ -221,22 +185,6 @@ vreg_edp_3p3: regulator-edp-3p3 { regulator-boot-on; }; =20 - vreg_edp_bl: regulator-edp-bl { - compatible =3D "regulator-fixed"; - - regulator-name =3D "VBL9"; - regulator-min-microvolt =3D <3600000>; - regulator-max-microvolt =3D <3600000>; - - gpio =3D <&pmc8380_3_gpios 10 GPIO_ACTIVE_HIGH>; - enable-active-high; - - pinctrl-0 =3D <&edp_bl_reg_en>; - pinctrl-names =3D "default"; - - regulator-boot-on; - }; - vreg_nvme: regulator-nvme { compatible =3D "regulator-fixed"; =20 @@ -398,26 +346,6 @@ vreg_rtmr2_3p3: regulator-rtmr2-3p3 { regulator-boot-on; }; =20 - regulator_usb3_vbus: regulator-usb3-vbus { - compatible =3D "regulator-fixed"; - regulator-name =3D "USB3_VBUS"; - gpio =3D <&pm8550ve_9_gpios 4 GPIO_ACTIVE_HIGH>; - pinctrl-0 =3D <&usb3_en>; - pinctrl-names =3D "default"; - enable-active-high; - regulator-always-on; - }; - - regulator_usb6_vbus: regulator-usb6-vbus { - compatible =3D "regulator-fixed"; - regulator-name =3D "USB6_VBUS"; - gpio =3D <&pm8550ve_9_gpios 5 GPIO_ACTIVE_HIGH>; - pinctrl-0 =3D <&usb6_en>; - pinctrl-names =3D "default"; - enable-active-high; - regulator-always-on; - }; - vph_pwr: regulator-vph-pwr { compatible =3D "regulator-fixed"; =20 @@ -576,25 +504,6 @@ platform { }; }; =20 - usb-1-ss0-sbu-mux { - compatible =3D "onnn,fsusb42", "gpio-sbu-mux"; - - enable-gpios =3D <&tlmm 168 GPIO_ACTIVE_LOW>; - select-gpios =3D <&tlmm 167 GPIO_ACTIVE_HIGH>; - - pinctrl-0 =3D <&usb_1_ss0_sbu_default>; - pinctrl-names =3D "default"; - - mode-switch; - orientation-switch; - - port { - usb_1_ss0_sbu_mux: endpoint { - remote-endpoint =3D <&pmic_glink_ss0_sbu>; - }; - }; - }; - wcn7850-pmu { compatible =3D "qcom,wcn7850-pmu"; =20 @@ -711,6 +620,63 @@ retimer_ss2_con_sbu_out: endpoint { }; }; =20 +&i2c3 { + clock-frequency =3D <400000>; + + status =3D "okay"; + + typec-mux@8 { + compatible =3D "parade,ps8830"; + reg =3D <0x8>; + + clocks =3D <&rpmhcc RPMH_RF_CLK4>; + + vdd-supply =3D <&vreg_rtmr0_1p15>; + vdd33-supply =3D <&vreg_rtmr0_3p3>; + vdd33-cap-supply =3D <&vreg_rtmr0_3p3>; + vddar-supply =3D <&vreg_rtmr0_1p15>; + vddat-supply =3D <&vreg_rtmr0_1p15>; + vddio-supply =3D <&vreg_rtmr0_1p8>; + + reset-gpios =3D <&pm8550_gpios 10 GPIO_ACTIVE_LOW>; + + pinctrl-0 =3D <&rtmr0_default>; + pinctrl-names =3D "default"; + + retimer-switch; + orientation-switch; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + retimer_ss0_ss_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss0_ss_in>; + }; + }; + + port@1 { + reg =3D <1>; + + retimer_ss0_ss_in: endpoint { + remote-endpoint =3D <&usb_1_ss0_qmpphy_out>; + }; + }; + + port@2 { + reg =3D <2>; + + retimer_ss0_con_sbu_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss0_con_sbu_in>; + }; + }; + }; + }; +}; + &i2c5 { clock-frequency =3D <400000>; =20 @@ -894,7 +860,7 @@ aux-bus { panel { compatible =3D "edp-panel"; =20 - backlight =3D <&backlight>; + //backlight =3D <&backlight>; power-supply =3D <&vreg_edp_3p3>; =20 port { @@ -920,23 +886,6 @@ &mdss_dp3_phy { status =3D "okay"; }; =20 -&pcie4_port0 { - wifi@0 { - compatible =3D "pci17cb,1107"; - reg =3D <0x10000 0x0 0x0 0x0 0x0>; - - vddaon-supply =3D <&vreg_pmu_aon_0p59>; - vddwlcx-supply =3D <&vreg_pmu_wlcx_0p8>; - vddwlmx-supply =3D <&vreg_pmu_wlmx_0p85>; - vddrfacmn-supply =3D <&vreg_pmu_rfa_cmn>; - vddrfa0p8-supply =3D <&vreg_pmu_rfa_0p8>; - vddrfa1p2-supply =3D <&vreg_pmu_rfa_1p2>; - vddrfa1p8-supply =3D <&vreg_pmu_rfa_1p8>; - vddpcie0p9-supply =3D <&vreg_pmu_pcie_0p9>; - vddpcie1p8-supply =3D <&vreg_pmu_pcie_1p8>; - }; -}; - &pcie6a { vddpe-3v3-supply =3D <&vreg_nvme>; }; @@ -970,22 +919,6 @@ usb0_1p8_reg_en: usb0-1p8-reg-en-state { input-disable; output-enable; }; - - usb3_en: usb3-en-state { - pins =3D "gpio4"; - function =3D "normal"; - qcom,drive-strength =3D ; - output-enable; - power-source =3D <0>; - }; - - usb6_en: usb6-en-state { - pins =3D "gpio5"; - function =3D "normal"; - qcom,drive-strength =3D ; - output-enable; - power-source =3D <0>; - }; }; =20 &pm8550_pwm { @@ -1010,21 +943,6 @@ led@2 { }; }; =20 -&pmc8380_3_gpios { - edp_bl_en: edp-bl-en-state { - pins =3D "gpio4"; - function =3D "normal"; - power-source =3D <1>; - input-disable; - output-enable; - }; - - edp_bl_reg_en: edp-bl-reg-en-state { - pins =3D "gpio10"; - function =3D "normal"; - }; -}; - &pmc8380_5_gpios { usb0_pwr_1p15_reg_en: usb0-pwr-1p15-reg-en-state { pins =3D "gpio8"; @@ -1036,17 +954,6 @@ usb0_pwr_1p15_reg_en: usb0-pwr-1p15-reg-en-state { }; }; =20 -&pmk8550_gpios { - edp_bl_pwm: edp-bl-pwm-state { - pins =3D "gpio5"; - function =3D "func3"; - }; -}; - -&pmk8550_pwm { - status =3D "okay"; -}; - &smb2360_0 { status =3D "okay"; }; @@ -1363,7 +1270,7 @@ &usb_1_ss0_hsphy { }; =20 &usb_1_ss0_qmpphy_out { - remote-endpoint =3D <&pmic_glink_ss0_ss_in>; + remote-endpoint =3D <&retimer_ss0_ss_in>; }; =20 &usb_1_ss1_dwc3_hs { --=20 2.34.1