[PATCH v3 4/4] riscv: dts: sophgo: Add SPI NOR node for SG2042
Zixian Zeng
sycamoremoon376 at gmail.com
Sun Jun 29 01:23:13 PDT 2025
Add SPI-NOR controller and flash nodes to device tree for SG2042.
Signed-off-by: Zixian Zeng <sycamoremoon376 at gmail.com>
---
.../riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 24 ++++++++++++++++++++++
arch/riscv/boot/dts/sophgo/sg2042.dtsi | 24 ++++++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index ef3a602172b1e5bf3dcf54a8cacdad5172b7f50e..554ec14d58453a44a02a82da40a7aedb80d61dc9 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -138,6 +138,30 @@ &sd {
status = "okay";
};
+&spifmc0 {
+ status = "okay";
+
+ flash at 0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <100000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&spifmc1 {
+ status = "okay";
+
+ flash at 0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <100000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
&uart0 {
pinctrl-0 = <&uart0_cfg>;
pinctrl-names = "default";
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index 85636d1798f11804546ed8606595ace1b4cb2a2f..0e1fcb54480af71147d0e71178a8eb08a31b75c3 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -48,6 +48,30 @@ soc: soc {
interrupt-parent = <&intc>;
ranges;
+ spifmc0: spi at 7000180000 {
+ compatible = "sophgo,sg2042-spifmc-nor", "sophgo,sg2044-spifmc-nor";
+ reg = <0x70 0x00180000 0x0 0x1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_AHB_SF>;
+ interrupt-parent = <&intc>;
+ interrupts = <108 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_SF0>;
+ status = "disabled";
+ };
+
+ spifmc1: spi at 7002180000 {
+ compatible = "sophgo,sg2042-spifmc-nor", "sophgo,sg2044-spifmc-nor";
+ reg = <0x70 0x02180000 0x0 0x1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_AHB_SF>;
+ interrupt-parent = <&intc>;
+ interrupts = <109 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_SF1>;
+ status = "disabled";
+ };
+
i2c0: i2c at 7030005000 {
compatible = "snps,designware-i2c";
reg = <0x70 0x30005000 0x0 0x1000>;
--
2.49.0
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