Commit 0dca9f0b authored by Nícolas F. R. A. Prado's avatar Nícolas F. R. A. Prado Committed by Matthias Brugger
Browse files

arm64: dts: mediatek: asurada: Enable PCIe and add WiFi 



Enable MT8192's PCIe controller and add support for the MT7921e WiFi
card that is present on that bus for the Asurada platform.

Signed-off-by: default avatarNícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-15-nfraprado@collabora.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent aa421ef2

arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi

+74 −0
Original line number Diff line number Diff line
@@ -66,6 +66,19 @@ pp3300_u: regulator-3v3-u { 
		vin-supply = <&pp3300_g>;

	};



	pp3300_wlan: regulator-3v3-wlan {

		compatible = "regulator-fixed";

		regulator-name = "pp3300_wlan";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		pinctrl-names = "default";

		pinctrl-0 = <&pp3300_wlan_pins>;

		enable-active-high;

		gpio = <&pio 143 GPIO_ACTIVE_HIGH>;

	};



	/* system wide switching 5.0V power rail */

	pp5000_a: regulator-5v0-a {

		compatible = "regulator-fixed";
@@ -84,6 +97,17 @@ ppvar_sys: regulator-var-sys { 
		regulator-always-on;

		regulator-boot-on;

	};



	reserved_memory: reserved-memory {

		#address-cells = <2>;

		#size-cells = <2>;

		ranges;



		wifi_restricted_dma_region: wifi@c0000000 {

			compatible = "restricted-dma-pool";

			reg = <0 0xc0000000 0 0x4000000>;

		};

	};

};



&i2c0 {
@@ -144,6 +168,28 @@ &i2c7 { 
	pinctrl-0 = <&i2c7_pins>;

};



&pcie {

	pinctrl-names = "default";

	pinctrl-0 = <&pcie_pins>;



	pcie0: pcie@0,0 {

		device_type = "pci";

		reg = <0x0000 0 0 0 0>;

		num-lanes = <1>;

		bus-range = <0x1 0x1>;



		#address-cells = <3>;

		#size-cells = <2>;

		ranges;



		wifi: wifi@0,0 {

			reg = <0x10000 0 0 0 0x100000>,

			      <0x10000 0 0x100000 0 0x100000>;

			memory-region = <&wifi_restricted_dma_region>;

		};

	};

};



&pio {

	/* 220 lines */

	gpio-line-names = "I2S_DP_LRCK",
@@ -430,6 +476,34 @@ pins-bus { 
		};

	};



	pcie_pins: pcie-default-pins {

		pins-pcie-wake {

			pinmux = <PINMUX_GPIO63__FUNC_PCIE_WAKE_N>;

			bias-pull-up;

		};



		pins-pcie-pereset {

			pinmux = <PINMUX_GPIO64__FUNC_PCIE_PERESET_N>;

		};



		pins-pcie-clkreq {

			pinmux = <PINMUX_GPIO65__FUNC_PCIE_CLKREQ_N>;

			bias-pull-up;

		};



		pins-wifi-kill {

			pinmux = <PINMUX_GPIO145__FUNC_GPIO145>; /* WIFI_KILL_L */

			output-high;

		};

	};



	pp3300_wlan_pins: pp3300-wlan-pins {

		pins-pcie-en-pp3300-wlan {

			pinmux = <PINMUX_GPIO143__FUNC_GPIO143>;

			output-high;

		};

	};



	spi1_pins: spi1-default-pins {

		pins-cs-mosi-clk {

			pinmux = <PINMUX_GPIO157__FUNC_SPI1_A_CSB>,