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authorZixian Zeng <sycamoremoon376@gmail.com>2025-09-16 21:22:53 +0800
committerInochi Amaoto <inochiama@gmail.com>2025-11-18 09:17:55 +0800
commitaf5eb17ff893bf6e52680a31059e1816749c2d20 (patch)
treec9ad9ee9277df5b1337e8eb92538c6bc05311dc3
parent11f4d84c9f724ec4c6810567d6b9713b054bb28b (diff)
riscv: dts: sophgo: Enable SPI NOR node for SG2042_EVB_V2
Enable SPI NOR node for SG2042_EVB_V2 device tree According to SG2042_EVB_V2 schematic, SPI-NOR Flash cannot support QSPI due to hardware design. Thus spi-(tx|rx)-bus-width must be set to 1. Signed-off-by: Han Gao <rabenda.cn@gmail.com> Signed-off-by: Zixian Zeng <sycamoremoon376@gmail.com> Link: https://lore.kernel.org/r/20250916-sfg-spidts-v2-4-b5d9024fe1c8@gmail.com Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Signed-off-by: Chen Wang <unicorn_wang@outlook.com> Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
-rw-r--r--arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
index 0cd0dc0f537c..b2ceae2d8829 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
@@ -238,6 +238,18 @@
status = "okay";
};
+&spifmc1 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ };
+};
+
&uart0 {
pinctrl-0 = <&uart0_cfg>;
pinctrl-names = "default";