On Fri, Sep 18, 2020 at 01:29:31PM +0200, Matthias Schiffer wrote:
> The SPI-NOR flash on the SoM was missing from the device tree.
>
> Signed-off-by: Matthias Schiffer
> ---
> arch/arm/boot/dts/imx7-tqma7.dtsi | 30 ++
> 1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx7-tqma7.dtsi
> b/arch/arm/boot/dts/imx7-tqma7.dtsi
> index 8773344b54aa..fd23f764399a 100644
> --- a/arch/arm/boot/dts/imx7-tqma7.dtsi
> +++ b/arch/arm/boot/dts/imx7-tqma7.dtsi
> @@ -160,6 +160,20 @@
> >;
> };
>
> + pinctrl_qspi: qspigrp {
> + fsl,pins = <
> + MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 0x5A
> + MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 0x5A
> + MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 0x5A
> + MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 0x5A
> + MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK 0x11
> + MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B 0x54
> + MX7D_PAD_EPDC_DATA07__QSPI_A_SS1_B 0x54
> + /* #QSPI_RESET */
> + MX7D_PAD_EPDC_DATA04__GPIO2_IO4 0x4052
> + >;
> + };
> +
> pinctrl_usdhc3: usdhc3grp {
> fsl,pins = <
> MX7D_PAD_SD3_CMD__SD3_CMD 0x59
> @@ -217,6 +231,22 @@
> };
> };
>
> +&qspi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_qspi>;
> + status = "okay";
> +
> + flash0: spinor@0 {
The node name should be as generic as possible. So suggest something
like 'flash@0'.
Shawn
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + spi-max-frequency = <2900>;
> + spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <4>;
> + reg = <0>;
> + };
> +};
> +
> &sdma {
> status = "okay";
> };
> --
> 2.17.1
>
