Hi Mason,
Thanks for the update!
On Fri, Jul 26, 2019 at 4:19 AM Mason Yang <masonccyang@xxxxxxxxxxx> wrote:
> Dcument the bindings used by the Renesas R-Car Gen3 RPC-IF controller.
Document
>
> Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> @@ -0,0 +1,46 @@
[...]
> +- flash: should be represented by a subnode of the RPC-IF node,
> + which "compatible" property contains "jedec,spi-nor", it presents
> + SPI is used.
Sorry, I failed to parse the last subsentence.
> +
> +Example:
> +
> + rpc: spi@ee200000 {
> + compatible = "renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc";
> + reg = <0 0xee200000 0 0x200>, <0 0x08000000 0 0x4000000>,
> + <0 0xee208000 0 0x100>;
> + reg-names = "regs", "dirmap", "wbuf";
> + clocks = <&cpg CPG_MOD 917>;
> + clock-names = "rpc";
> + power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> + resets = <&cpg 917>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <40000000>;
> + spi-tx-bus-width = <1>;
> + spi-rx-bus-width = <1>;
Shouldn't those <1> be <4>, as this is QSPI?
> + };
> + };
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
