On Wed, Mar 18, 2020 at 02:16:03AM +0200, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
>
> For debugging, it is useful to have access to the DSPI controller
> signals. On the reference design board, these are exported to either the
> mikroBUS1 or mikroBUS2 connector (according to the CPLD register
> BRDCFG3[SPI3]).
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> ---
> Changes in v5:
> None.
>
> Changes in v4:
> None.
>
> Changes in v3:
> None.
>
> Changes in v2:
> Change compatible string for spidev node.
>
> arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> index 6d05b76c2c7a..0d27b5667b8c 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> @@ -83,6 +83,20 @@
> };
> };
>
> +&dspi2 {
> + bus-num = <2>;
> + status = "okay";
> +
> + /* mikroBUS1 */
> + spidev@0 {
> + compatible = "rohm,dh2228fv";
Is the compatible documented?
Shawn
> + spi-max-frequency = <20000000>;
> + fsl,spi-cs-sck-delay = <100>;
> + fsl,spi-sck-cs-delay = <100>;
> + reg = <0>;
> + };
> +};
> +
> &esdhc {
> sd-uhs-sdr104;
> sd-uhs-sdr50;
> --
> 2.17.1
>
