From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Mon, 7 Mar 2022 19:24:33 +0000 (+0000)
Subject: arm64: dts: renesas: rzg2lc-smarc-som: Enable serial NOR flash
X-Git-Tag: for-5.19/block-exec-2022-06-02~34^2~38^2~36
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=018d7b93477fbb04ba7b4bc4c355793d644e45da;p=linux-block.git

arm64: dts: renesas: rzg2lc-smarc-som: Enable serial NOR flash

Enable mt25qu512a flash connected to QSPI0.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220307192436.13237-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index 88a7938017aa..80c9a1146cb7 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -110,6 +110,18 @@
 		line-name = "gpio_sd0_pwr_en";
 	};
 
+	qspi0_pins: qspi0 {
+		qspi0-data {
+			pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
+			power-source = <1800>;
+		};
+
+		qspi0-ctrl {
+			pins = "QSPI0_SPCLK", "QSPI0_SSL", "QSPI_RESET#";
+			power-source = <1800>;
+		};
+	};
+
 	/*
 	 * SD0 device selection is XOR between GPIO_SD0_DEV_SEL and SW1[2]
 	 * The below switch logic can be used to select the device between
@@ -175,6 +187,34 @@
 	};
 };
 
+&sbc {
+	pinctrl-0 = <&qspi0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "micron,mt25qu512a", "jedec,spi-nor";
+		reg = <0>;
+		m25p,fast-read;
+		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot@0 {
+				reg = <0x00000000 0x2000000>;
+				read-only;
+			};
+			user@2000000 {
+				reg = <0x2000000 0x2000000>;
+			};
+		};
+	};
+};
+
 #if (!SW_SD0_DEV_SEL)
 &sdhi0 {
 	pinctrl-0 = <&sdhi0_pins>;