From 9204a7ecca96403ee3d61c14cb9eb87ec89b0fcd Mon Sep 17 00:00:00 2001 From: FUKAUMI Naoki Date: Sun, 23 Jun 2024 11:33:27 +0900 Subject: [PATCH] arm64: dts: rockchip: add SFC support for Radxa ROCK 5B 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 Link: https://lore.kernel.org/r/20240623023329.1044-1-naoki@radxa.com Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -442,6 +442,20 @@ 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>;