On 04/12/2019 12:29 PM, Vignesh Raghavendra wrote:
> Add binding documentation for TI's HyperBus memory controller present on
> AM654 SoC.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx>
> ---
> .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 31 +++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 32 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
>
> diff --git a/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
> new file mode 100644
> index 000000000000..00888482df25
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
> @@ -0,0 +1,31 @@
[...]
> +Optional properties:
> +- mux-controls: phandle to the multiplexer that controls selection of
> + HBMC vs OSPI. Mux state of 1 indicates HBMC is selected.
I thought this is usually done with the help of drivers/pinctrl/..
> +
> +Example:
> + hbmc: hbmc@47034000 {
> + compatible = "ti,am654-hbmc";
> + reg = <0x0 0x47034000 0x0 0x100>,
> + <0x5 0x00000000 0x1 0x0000000>;
> + power-domains = <&k3_pds 55>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */
> + <0x1 0x5 0x04000000 0x4000000>; /* CS1 - 64MB
> +
> + /* Slave flash node */
> + flash@0{
Need space before {.
> + compatible = "cypress,hyperflash";
> + reg = <0x0 0x4000000>;
> + };
> + };
[...]
MBR, Sergei
