boards: nordic: add mx25uw6345g flash node to nRF54H20dk

The nRF54H20dk has mx25uw6345g flash device on board. Added DTS description and pinctrl configuration. The flash device node is disabled by default. The flash device needs to be powered-on using the nRF Connect for Desktop Board Configurator application. Signed-off-by: Rafał Kuźnia <[email protected]>
nashif · May 7, 2024 · e9c6990 · e9c6990
1 parent 4d30ccb
commit e9c6990
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diff --git a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi
@@ -50,4 +50,13 @@
 				<NRF_PSEL(UART_CTS, 2, 5)>;
 		};
 	};
+
+	/omit-if-no-ref/ exmif_default: exmif_default {
+		group1 {
+			psels = <NRF_PSEL(EXMIF_CK, 6, 0)>,
+				<NRF_PSEL(EXMIF_DQ0, 6, 7)>,
+				<NRF_PSEL(EXMIF_DQ1, 6, 5)>;
+			nordic,drive-mode = <NRF_DRIVE_H0H1>;
+		};
+	};
 };
diff --git a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts
@@ -195,3 +195,32 @@ ipc0: &cpuapp_cpurad_ipc {
 	pinctrl-names = "default", "sleep";
 	hw-flow-control;
 };
+
+&gpio6 {
+	status = "okay";
+};
+
+&exmif {
+	cs-gpios = <&gpio6 3 GPIO_ACTIVE_LOW>;
+	pinctrl-0 = <&exmif_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	mx25uw63: mx25uw6345g@0 {
+		compatible = "jedec,spi-nor";
+		status = "disabled";
+		reg = <0>;
+		spi-max-frequency = <DT_FREQ_M(48)>;
+		jedec-id = [c2 84 37];
+		sfdp-bfp = [
+			e5 20 8a ff  ff ff ff 03  00 ff 00 ff  00 ff 00 ff
+			ee ff ff ff  ff ff 00 ff  ff ff 00 ff  0c 20 10 d8
+			00 ff 00 ff  87 79 01 00  84 12 00 c4  cc 04 67 46
+			30 b0 30 b0  f4 bd d5 5c  00 00 00 ff  10 10 00 20
+			00 00 00 00  00 00 7c 23  48 00 00 00  00 00 88 88
+		];
+		size = <67108864>;
+		has-dpd;
+		t-enter-dpd = <10000>;
+		t-exit-dpd = <30000>;
+	};
+};