Commit fa165234 authored by Fabio Estevam's avatar Fabio Estevam Committed by Shawn Guo
Browse files

arm64: dts: imx8mm-evk: Add flexspi support 



imx8mm-evk has a quad SPI-NOR flash on the flexspi bus.

Add support for it.

Signed-off-by: default avatarFabio Estevam <festevam@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 843b993c

arch/arm64/boot/dts/freescale/imx8mm-evk.dts

+31 −0
Original line number Diff line number Diff line
@@ -12,6 +12,10 @@ 
	model = "FSL i.MX8MM EVK board";

	compatible = "fsl,imx8mm-evk", "fsl,imx8mm";



	aliases {

		spi0 = &flexspi;

	};



	chosen {

		stdout-path = &uart2;

	};
@@ -135,6 +139,22 @@ 
	};

};



&flexspi {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_flexspi>;

	status = "okay";



	flash@0 {

		reg = <0>;

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "jedec,spi-nor";

		spi-max-frequency = <80000000>;

		spi-tx-bus-width = <4>;

		spi-rx-bus-width = <4>;

	};

};



&i2c1 {

	clock-frequency = <400000>;

	pinctrl-names = "default";
@@ -423,6 +443,17 @@ 
		>;

	};



	pinctrl_flexspi: flexspigrp {

		fsl,pins = <

			MX8MM_IOMUXC_NAND_ALE_QSPI_A_SCLK               0x1c2

			MX8MM_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B            0x82

			MX8MM_IOMUXC_NAND_DATA00_QSPI_A_DATA0           0x82

			MX8MM_IOMUXC_NAND_DATA01_QSPI_A_DATA1           0x82

			MX8MM_IOMUXC_NAND_DATA02_QSPI_A_DATA2           0x82

			MX8MM_IOMUXC_NAND_DATA03_QSPI_A_DATA3           0x82

		>;

	};



	pinctrl_pmic: pmicirq {

		fsl,pins = <

			MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3		0x41