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Wed, 29 Apr 2026 06:38:08 +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 v2 3/7] arm64: dts: rockchip: Add AP6275P wireless support for Khadas Edge 2L Date: Wed, 29 Apr 2026 14:37:08 +0800 Message-Id: <20260429063712.2150938-4-gray.huang@wesion.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260429063712.2150938-1-gray.huang@wesion.com> References: <20260429063712.2150938-1-gray.huang@wesion.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TPYP295CA0040.TWNP295.PROD.OUTLOOK.COM (2603:1096:7d0:7::12) To JH0PR03MB8617.apcprd03.prod.outlook.com (2603:1096:990:91::14) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB8617:EE_|SEZPR03MB6468:EE_ X-MS-Office365-Filtering-Correlation-Id: 80a7bf16-cc07-4390-ec26-08dea5b9e05a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|52116014|1800799024|376014|22082099003|56012099003|18002099003|38350700014; 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Enable combphy0 and pcie0, add the Wi-Fi regulator and reset pinctrl, and describe the PCIe Wi-Fi function so it can consume the 32.768kHz LPO clock provided by the HYM8563 RTC. Signed-off-by: Gray Huang --- .../dts/rockchip/rk3576-khadas-edge-2l.dts | 64 ++++++++++++++++++- 1 file changed, 62 insertions(+), 2 deletions(-) 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 c85b219fe409..9cabbbbab96f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts @@ -46,16 +46,34 @@ vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 { regulator-max-microvolt = <2000000>; vin-supply = <&vcc_sys>; }; + + vcc_wifi_reg_on: regulator-wifi-reg-on { + compatible = "regulator-fixed"; + enable-active-high; + gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>; + pinctrl-0 = <&wifi_reg_on>; + pinctrl-names = "default"; + regulator-name = "wifi_reg_on"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc_1v8_s3>; + }; }; -&cpu_l0 { - cpu-supply = <&vdd_cpu_lit_s0>; +&combphy0_ps { + status = "okay"; }; &cpu_b0 { cpu-supply = <&vdd_cpu_big_s0>; }; +&cpu_l0 { + cpu-supply = <&vdd_cpu_lit_s0>; +}; + &i2c1 { status = "okay"; @@ -441,6 +459,48 @@ hym8563: hym8563@51 { }; }; +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie0_rst>; + reset-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc_3v3_s3>; + status = "okay"; + + pcie@0,0 { + reg = <0x0 0 0 0 0>; + bus-range = <0x0 0xf>; + device_type = "pci"; + ranges; + #address-cells = <3>; + #size-cells = <2>; + + wifi: wifi@0,0 { + compatible = "pci14e4,449d"; + reg = <0x10000 0 0 0 0>; + clocks = <&hym8563>; + clock-names = "lpo"; + }; + }; +}; + +&pinctrl { + pcie0 { + pcie0_rst: pcie0-rst { + rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + wifi { + wifi_reg_on: wifi-reg-on { + rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + wifi_wake_host: wifi-wake-host { + rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>; + }; + }; +}; + &sdhci { bus-width = <8>; no-sdio; -- 2.34.1