From 579df4288896f22c5e8c38aee771edc5f25bf461 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 28 Feb 2022 14:25:23 +0100 Subject: [PATCH] arm64: dts: imx8mn-evk: add QSPI flash 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 Tested-by: Heiko Thiery Signed-off-by: Shawn Guo --- 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 c3f1519..dc75d6d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -110,6 +110,22 @@ }; }; +&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 @@ >; }; + 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 -- 2.7.4