From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Thu, 8 May 2025 18:31:04 +0000 (+0100)
Subject: arm64: dts: renesas: rzg3e-smarc-som: Enable serial NOR FLASH
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0712fcaebd76a74a022e5ce105ebe96fa8627961;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: renesas: rzg3e-smarc-som: Enable serial NOR FLASH

Enable Renesas AT25QL128A FLASH connected to XSPI.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250508183109.137721-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index ecea29a76b144..f99a09d04ddd4 100644
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -182,6 +182,15 @@
 			pinmux = <RZG3E_PORT_PINMUX(K, 2, 1)>; /* SD2PWEN */
 		};
 	};
+
+	xspi_pins: xspi0 {
+		pinmux = <RZG3E_PORT_PINMUX(M, 0, 0)>, /* XSPI0_IO0 */
+			 <RZG3E_PORT_PINMUX(M, 1, 0)>, /* XSPI0_IO1 */
+			 <RZG3E_PORT_PINMUX(M, 2, 0)>, /* XSPI0_IO2 */
+			 <RZG3E_PORT_PINMUX(M, 3, 0)>, /* XSPI0_IO3 */
+			 <RZG3E_PORT_PINMUX(L, 0, 0)>, /* XSPI0_CKP */
+			 <RZG3E_PORT_PINMUX(L, 1, 0)>; /* XSPI0_CS0 */
+	};
 };
 
 &qextal_clk {
@@ -245,3 +254,40 @@
 &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-max-frequency = <50000000>;
+		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 0x007a0000>;
+			};
+
+			partition@800000 {
+				label = "user";
+				reg = <0x800000 0x800000>;
+			};
+		};
+	};
+};