linux-kernel - [PATCH v1 1/1] arm64: dts: rockchip: rk3588-evb1: add WLAN controller

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Message-ID: <20241018172432.53182-1-sebastian.reichel@collabora.com>
Date: Fri, 18 Oct 2024 19:24:21 +0200
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	kernel@...labora.com
Subject: [PATCH v1 1/1] arm64: dts: rockchip: rk3588-evb1: add WLAN controller

The RK3588 EVB1 has an onboard AP6275P WLAN/BT module. This adds
support for the WLAN side, which is connected to the second
PCIe bus. The Bluetooth side is connected to UART and handled
separately.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index df44dbc394ca..f55ab8f59d65 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -237,12 +237,48 @@ vcc5v0_usb: vcc5v0-usb-regulator {
 		regulator-max-microvolt = <5000000>;
 		vin-supply = <&vcc5v0_usbdcin>;
 	};
+
+	vccio_wl: vccio-wl {
+		compatible = "regulator-fixed";
+		regulator-name = "wlan-vddio";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc_1v8_s0>;
+	};
+
+	vcc3v3_pciewl_vbat: vcc3v3-pciewl-vbat {
+		compatible = "regulator-fixed";
+		regulator-name = "wlan-vbat";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc_3v3_s0>;
+	};
+
+	vcc3v3_wlan: vcc3v3-wlan {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_pwren>;
+		regulator-name = "wlan-en";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpios = <&gpio3 RK_PB1 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&vcc3v3_pciewl_vbat>;
+	};
 };
 
 &combphy0_ps {
 	status = "okay";
 };
 
+&combphy1_ps {
+	status = "okay";
+};
+
 &combphy2_psu {
 	status = "okay";
 };
@@ -408,6 +444,30 @@ rgmii_phy: ethernet-phy@1 {
 	};
 };
 
+&pcie2x1l0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_0_rst>, <&pcie2_0_wake>, <&pcie2_0_clkreq>, <&wifi_host_wake_irq>;
+	reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_wlan>;
+	status = "okay";
+
+	pcie@0,0 {
+		reg = <0x200000 0 0 0 0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		ranges;
+		device_type = "pci";
+		bus-range = <0x20 0x2f>;
+
+		wifi: wifi@0,0 {
+			compatible = "pci14e4,449d";
+			reg = <0x210000 0 0 0 0>;
+			clocks = <&hym8563>;
+			clock-names = "lpo";
+		};
+	};
+};
+
 &pcie2x1l1 {
 	reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
 	pinctrl-names = "default";
@@ -462,6 +522,18 @@ hym8563_int: hym8563-int {
 	};
 
 	pcie2 {
+		pcie2_0_rst: pcie2-0-rst {
+			rockchip,pins = <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie2_0_wake: pcie2-0-wake {
+			rockchip,pins = <4 RK_PA4 4 &pcfg_pull_none>;
+		};
+
+		pcie2_0_clkreq: pcie2-0-clkreq {
+			rockchip,pins = <4 RK_PA3 4 &pcfg_pull_none>;
+		};
+
 		pcie2_1_rst: pcie2-1-rst {
 			rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
@@ -492,6 +564,16 @@ usbc0_int: usbc0-int {
 			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
+
+	wlan {
+		wifi_host_wake_irq: wifi-host-wake-irq {
+			rockchip,pins = <3 RK_PA7 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		wifi_pwren: wifi-pwren {
+			rockchip,pins = <3 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
 };
 
 &pwm2 {
-- 
2.45.2