diff options
| author | Chen-Yu Tsai <wens@kernel.org> | 2025-12-21 14:05:11 +0300 |
|---|---|---|
| committer | Chen-Yu Tsai <wens@kernel.org> | 2025-12-23 18:47:16 +0300 |
| commit | bd14ba160bbe863e7b7bc489fd947ae1cdc03047 (patch) | |
| tree | e2a1c887d106614f4daf5de810d4da66f2b4c730 | |
| parent | 1bec3bd1f839f269dfdec3c635dd2afe15e30995 (diff) | |
| download | linux-bd14ba160bbe863e7b7bc489fd947ae1cdc03047.tar.xz | |
arm64: dts: allwinner: t527: orangepi-4a: Enable SPI-NOR flash
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>
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index 9e6b21cf293e..055be86e5fae 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts @@ -400,6 +400,21 @@ 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 = <®_cldo1>; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pb_pins>; |