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* [PATCH] arm64: dts: imx8mn-evk: add QSPI flash
@ 2022-02-28 13:25 Michael Walle
  2022-03-01 16:12 ` Heiko Thiery
  2022-04-08 11:43 ` Shawn Guo
  0 siblings, 2 replies; 3+ messages in thread
From: Michael Walle @ 2022-02-28 13:25 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Shawn Guo, Sascha Hauer, Fabio Estevam
  Cc: Pengutronix Kernel Team, NXP Linux Team, devicetree,
	linux-arm-kernel, linux-kernel, heiko.thiery, Michael Walle

There is a 32MiB Micron MT25QU256ABA1 serial NOR flash on the EVK board.
Add a device tree node for it.

Tested on a 8MNANOD3L-EVK.

Signed-off-by: Michael Walle <michael@walle.cc>
---
 arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index c3f15192b76c..dc75d6d13bb3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@ -110,6 +110,22 @@ vddio: vddio-regulator {
 	};
 };
 
+&flexspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi>;
+	status = "okay";
+
+	flash0: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <166000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
 &i2c1 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
@@ -267,6 +283,17 @@ MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22	0x19
 		>;
 	};
 
+	pinctrl_flexspi: flexspigrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK               0x1c2
+			MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B            0x82
+			MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0           0x82
+			MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1           0x82
+			MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2           0x82
+			MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3           0x82
+		>;
+	};
+
 	pinctrl_gpio_led: gpioledgrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_NAND_READY_B_GPIO3_IO16	0x19
-- 
2.30.2


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Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-02-28 13:25 [PATCH] arm64: dts: imx8mn-evk: add QSPI flash Michael Walle
2022-03-01 16:12 ` Heiko Thiery
2022-04-08 11:43 ` Shawn Guo

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