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arm64: dts: rockchip: Add SPI NOR device on the ROCK 4D

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The SPI NOR chip is connected on the FSPI0 core, so enable the sfc0 node
and add the flash device to it.

The SPI NOR won't work at higher speed than 50 MHz, specify the limit.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Link: https://lore.kernel.org/r/20250228145304.581349-3-detlev.casanova@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Detlev Casanova 2025-02-28 09:50:48 -05:00 committed by Heiko Stuebner
parent 3629975712
commit ba82f56bbf
1 changed files with 16 additions and 0 deletions
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16
arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
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@ -701,6 +701,22 @@ &sdmmc {
status = "okay";
};
&sfc0 {
pinctrl-names = "default";
pinctrl-0 = <&fspi0_pins &fspi0_csn0>;
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <50000000>;
spi-rx-bus-width = <4>;
spi-tx-bus-width = <1>;
vcc-supply = <&vcc_1v8_s3>;
};
};
&u2phy0 {
status = "okay";
};