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arm64: dts: allwinner: t527: orangepi-4a: Enable SPI-NOR flash

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The Orangepi 4A has a SPI-NOR flash connected to spi0 on the PC pins.
The HOLD and WP pins are not connected, and are instead pulled up by the
supply rail.

Enable spi0 and add a device node for the SPI-NOR flash.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251221110513.1850535-5-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
This commit is contained in:
Chen-Yu Tsai 2025-12-21 19:05:11 +08:00
parent 1bec3bd1f8
commit bd14ba160b
1 changed files with 15 additions and 0 deletions
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15
arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
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@ -400,6 +400,21 @@ &rtc {
assigned-clock-rates = <32768>;
};
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pc_pins>, <&spi0_cs0_pc_pin>;
status = "okay";
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <20000000>;
vcc-supply = <&reg_cldo1>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pb_pins>;