[PATCH v2 1/3] arm64: dts: renesas: rzg2ul-smarc-som: Enable serial NOR flash

[Biju Das]

Enable Renesas at25ql128a flash connected to QSPI0. Also disable
the node from rzfive-smarc-som as it is untested.

Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
---
v1->v2:
 * Enabled 4-bit tx support
---
 .../boot/dts/renesas/rzg2ul-smarc-som.dtsi    | 44 +++++++++++++++++++
 .../boot/dts/renesas/rzfive-smarc-som.dtsi    |  4 ++
 2 files changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
index 97cdad2a12e2..b9e4e476ff7b 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
@@ -179,6 +179,18 @@ eth1_pins: eth1 {
 			 <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
 	};
 
+	qspi0_pins: qspi0 {
+		qspi0-data {
+			pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
+			power-source = <1800>;
+		};
+
+		qspi0-ctrl {
+			pins = "QSPI0_SPCLK", "QSPI0_SSL";
+			power-source = <1800>;
+		};
+	};
+
 	sdhi0_emmc_pins: sd0emmc {
 		sd0_emmc_data {
 			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
@@ -230,6 +242,38 @@ sd0_mux_uhs {
 	};
 };
 
+&sbc {
+	pinctrl-0 = <&qspi0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		spi-cpol;
+		spi-cpha;
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot at 0 {
+				reg = <0x00000000 0x200000>;
+				read-only;
+			};
+			user at 200000 {
+				reg = <0x200000 0xE00000>;
+			};
+		};
+	};
+};
+
 #if (SW_SW0_DEV_SEL)
 &sdhi0 {
 	pinctrl-0 = <&sdhi0_emmc_pins>;
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
index c62debc7ca7e..0c9d72c32879 100644
--- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
@@ -42,6 +42,10 @@ phy1: ethernet-phy at 7 {
 	};
 };
 
+&sbc {
+	status = "disabled";
+};
+
 &sdhi0 {
 	status = "disabled";
 };
-- 
2.25.1