On Tue, Mar 01, 2022 at 02:23:08PM +0100, Joacim Zetterling wrote:
> Add QSPI support in the default config and DTS files for the
> NXP IMX8MN-EVK board. To be able to use it You also need the
> QSPI driver enabled.
>
> Tested on the NXP IMX8MN-EVK board as well as on an IMX8MN
> custom bord supporting a QSPI flash. Tested with the memory
> dump command i.e. 'md -s /dev/m25p0'.
>
> Signed-off-by: Joacim Zetterling <joacim.zetterling@xxxxxxxxxxxx>
> ---
Applied, thanks
Sascha
>
> Changes v2:
> - Removed the "default" pinctrl names from iomuxc
> - Renamed the flexspi device name
>
> arch/arm/configs/imx_v8_defconfig | 1 +
> arch/arm/dts/imx8mn-evk.dts | 30 ++++++++++++++++++++++++++++++
> 2 files changed, 31 insertions(+)
>
> diff --git a/arch/arm/configs/imx_v8_defconfig b/arch/arm/configs/imx_v8_defconfig
> index b28c868a99bf..fe6398cc873d 100644
> --- a/arch/arm/configs/imx_v8_defconfig
> +++ b/arch/arm/configs/imx_v8_defconfig
> @@ -99,6 +99,7 @@ CONFIG_NET_USB=y
> CONFIG_NET_USB_ASIX=y
> CONFIG_NET_USB_SMSC95XX=y
> CONFIG_DRIVER_SPI_IMX=y
> +CONFIG_SPI_NXP_FLEXSPI=y
> CONFIG_I2C=y
> CONFIG_I2C_IMX=y
> CONFIG_MTD=y
> diff --git a/arch/arm/dts/imx8mn-evk.dts b/arch/arm/dts/imx8mn-evk.dts
> index 9fe24b3184f1..b8e7e1acf539 100644
> --- a/arch/arm/dts/imx8mn-evk.dts
> +++ b/arch/arm/dts/imx8mn-evk.dts
> @@ -60,3 +60,33 @@
> &ocotp {
> barebox,provide-mac-address = <&fec1 0x640>;
> };
> +
> +&iomuxc {
> + pinctrl_flexspi0: flexspi0grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x1c4
> + MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x84
> + MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x84
> + MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x84
> + MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x84
> + MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x84
> + >;
> + };
> +};
> +
> +&flexspi {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexspi0>;
> +
> + system_flash: flash@0 {
> + reg = <0>;
> + compatible = "jedec,spi-nor";
> + spi-max-frequency = <80000000>;
> + spi-tx-bus-width = <4>;
> + spi-rx-bus-width = <4>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> +};
> +
> --
> 2.25.1
>
>
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