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arm64: dts: mediatek: cherry: Enable the System Companion Processor

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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: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220902081156.38526-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno
2022-09-02 10:11:50 +02:00
committed by Matthias Brugger
parent 5334bed7b2
commit d86a1c69bd
1 changed files with 29 additions and 0 deletions
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29
arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
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@@ -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";