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arm64: dts: rockchip: add SFC support for Radxa ROCK 5B

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This commit adds support for SPI NOR flash on Radxa ROCK 5B.

SPI NOR flash chip may vary, so use safe(lowest) spi-max-frequency.

Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20240623023329.1044-1-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
FUKAUMI Naoki
2024-06-23 11:33:27 +09:00
committed by Heiko Stuebner
parent 4a152231b0
commit 9204a7ecca
1 changed files with 14 additions and 0 deletions
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arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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@@ -448,6 +448,20 @@
status = "okay";
};
&sfc {
pinctrl-names = "default";
pinctrl-0 = <&fspim2_pins>;
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <104000000>;
spi-rx-bus-width = <4>;
spi-tx-bus-width = <1>;
};
};
&uart6 {
pinctrl-names = "default";
pinctrl-0 = <&uart6m1_xfer &uart6m1_ctsn &uart6m1_rtsn>;