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Wed, 25 Mar 2026 05:48:59 +0000 From: Gray Huang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, nick@khadas.com, Gray Huang Subject: [PATCH 2/6] arm64: dts: rockchip: Add AP6275P wireless support for Khadas Edge 2L Date: Wed, 25 Mar 2026 13:46:10 +0800 Message-Id: <20260325054614.1497147-3-gray.huang@wesion.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260325054614.1497147-1-gray.huang@wesion.com> References: <20260325054614.1497147-1-gray.huang@wesion.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: TYCP286CA0284.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:3c9::15) To JH0PR03MB8617.apcprd03.prod.outlook.com (2603:1096:990:91::14) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB8617:EE_|TY0PR03MB6678:EE_ X-MS-Office365-Filtering-Correlation-Id: 22572864-a0be-4943-6cc8-08de8a3235be X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|1800799024|376014|366016|18002099003|56012099003|22082099003|38350700014; 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charset="utf-8" The Khadas Edge 2L board uses the Ampak AP6275P (BCM43752) PCIe Wi-Fi 6 module. Enable the pcie0 controller and add the Wi-Fi module as its child node. Additionally, enable the HYM8563 RTC to provide the 32.768kHz LPO clock required by the Wi-Fi module, along with the necessary CombPHY and fixed regulator. Signed-off-by: Gray Huang --- .../dts/rockchip/rk3576-khadas-edge-2l.dts | 71 ++++++++++++++++++- 1 file changed, 70 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/= arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts index 5781deae00d9..09cb0f0d6dcf 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts @@ -47,7 +47,19 @@ vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 { vin-supply =3D <&vcc_sys>; }; =20 - + vcc_wifi_reg_on: regulator-wifi-reg-on { + compatible =3D "regulator-fixed"; + enable-active-high; + gpios =3D <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>; + pinctrl-0 =3D <&wifi_reg_on>; + pinctrl-names =3D "default"; + regulator-name =3D "wifi_reg_on"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + vin-supply =3D <&vcc_1v8_s3>; + }; }; =20 &cpu_l0 { @@ -431,6 +443,63 @@ regulator-state-mem { }; }; =20 +&combphy0_ps { + status =3D "okay"; +}; + +&pcie0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pcie0_rst>; + reset-gpios =3D <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply =3D <&vcc_3v3_s3>; + status =3D "okay"; + + pcie@0,0 { + reg =3D <0x0 0 0 0 0>; + bus-range =3D <0x0 0xf>; + device_type =3D "pci"; + ranges; + #address-cells =3D <3>; + #size-cells =3D <2>; + + wifi: wifi@0,0 { + compatible =3D "pci14e4,449d"; + reg =3D <0x10000 0 0 0 0>; + clocks =3D <&hym8563>; + clock-names =3D "lpo"; + }; + }; +}; + +&i2c2 { + status =3D "okay"; + + hym8563: hym8563@51 { + compatible =3D "haoyu,hym8563"; + reg =3D <0x51>; + #clock-cells =3D <0>; + clock-output-names =3D "hym8563"; + wakeup-source; + }; +}; + +&pinctrl { + pcie0 { + pcie0_rst: pcie0-rst { + rockchip,pins =3D <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + wifi { + wifi_reg_on: wifi-reg-on { + rockchip,pins =3D <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + wifi_wake_host: wifi-wake-host { + rockchip,pins =3D <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>; + }; + }; +}; =20 &sdhci { bus-width =3D <8>; --=20 2.34.1