Commit d86a1c69 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Matthias Brugger
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arm64: dts: mediatek: cherry: Enable the System Companion Processor 



MT8195 features a SCP like some other older SoCs, and Cherry uses it
for various tasks. Add the required pin configuration and DMA pool
and enable the node.

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220902081156.38526-2-angelogioacchino.delregno@collabora.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 5334bed7

arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi

+29 −0
Original line number Diff line number Diff line
@@ -104,6 +104,18 @@ usb_vbus: regulator-5v0-usb-vbus { 
		enable-active-high;

		regulator-always-on;

	};



	reserved_memory: reserved-memory {

		#address-cells = <2>;

		#size-cells = <2>;

		ranges;



		scp_mem: memory@50000000 {

			compatible = "shared-dma-pool";

			reg = <0 0x50000000 0 0x2900000>;

			no-map;

		};

	};

};



&i2c0 {
@@ -600,6 +612,14 @@ pins-low-power-pupd { 
		};

	};



	scp_pins: scp-default-pins {

		pins-vreq {

			pinmux = <PINMUX_GPIO76__FUNC_SCP_VREQ_VAO>;

			bias-disable;

			input-enable;

		};

	};



	spi0_pins: spi0-default-pins {

		pins-cs-mosi-clk {

			pinmux = <PINMUX_GPIO132__FUNC_SPIM0_CSB>,
@@ -643,6 +663,15 @@ &pmic { 
	interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;

};



&scp {

	status = "okay";



	firmware-name = "mediatek/mt8195/scp.img";

	memory-region = <&scp_mem>;

	pinctrl-names = "default";

	pinctrl-0 = <&scp_pins>;

};



&spi0 {

	status = "okay";