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arm64: dts: imx8mm-evk: Add flexspi support

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

Add support for it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Fabio Estevam 2020-08-21 09:59:38 -03:00 committed by Shawn Guo
parent 843b993c2d
commit fa1652340a
1 changed files with 31 additions and 0 deletions
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31
arch/arm64/boot/dts/freescale/imx8mm-evk.dts
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@ -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 @@ ethphy0: ethernet-phy@0 {
};
};
&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 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};
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