[PATCH 4/4] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable serial NOR FLASH

From: Prabhakar
Date: Tue Jun 24 2025 - 13:41:37 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Enable MT25QU512ABB8E12 FLASH connected to XSPI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../dts/renesas/r9a09g057h44-rzv2h-evk.dts | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
index f9a0e9aefe7a..1af03cb143ba 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
@@ -371,6 +371,18 @@ vbus {
pinmux = <RZV2H_PORT_PINMUX(6, 6, 14)>; /* VBUS */
};
};
+
+ xspi_pins: xspi0 {
+ ctrl {
+ pins = "XSPI0_RESET0N", "XSPI0_CS0N", "XSPI0_CKP";
+ output-enable;
+ };
+
+ io {
+ pins = "XSPI0_IO0", "XSPI0_IO1", "XSPI0_IO2", "XSPI0_IO3";
+ renesas,output-impedance = <3>;
+ };
+ };
};

&qextal_clk {
@@ -425,3 +437,39 @@ &usb2_phy1 {
&wdt1 {
status = "okay";
};
+
+&xspi {
+ pinctrl-0 = <&xspi_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ vcc-supply = <&reg_1p8v>;
+ m25p,fast-read;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x00000000 0x00060000>;
+ };
+
+ partition@60000 {
+ label = "fip";
+ reg = <0x00060000 0x1fa0000>;
+ };
+
+ partition@2000000 {
+ label = "user";
+ reg = <0x2000000 0x2000000>;
+ };
+ };
+ };
+};
--
2.49.0