diff options
| author | Detlev Casanova <detlev.casanova@collabora.com> | 2025-02-28 09:50:48 -0500 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2025-03-08 18:19:59 +0100 |
| commit | ba82f56bbf20e4166c988621cd0507509872848e (patch) | |
| tree | 1f38290c02f59211569486f1e0a6a2f2b82f2cc6 | |
| parent | 36299757129c897ef8c7ace6981070d367d89f89 (diff) | |
arm64: dts: rockchip: Add SPI NOR device on the ROCK 4D
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>
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts index 0ba0be980754..6756403111e7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts @@ -701,6 +701,22 @@ 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"; }; |