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SubjectRe: [PATCH v12 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF MFD bindings
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Hi Sergei,

> >
> > Could you please indent with 1 or 2 tabs where you used 8 or 16
spaces?

Sorry, I just copy this new DTS from git to my Notes email system,
therefore, the "tabs space" is not alignment with original file.

>
> Patch new DTS to
> ===============================================================>
>
> +Renesas R-Car Gen3 RPC-IF controller Device Tree Bindings
> +---------------------------------------------------------
> +
> +RPC-IF supports both SPI NOR and HyperFlash (CFI-compliant flash)
> +
> +Required properties:
> +- compatible: should be an SoC-specific compatible value, followed by
> + "renesas,rcar-gen3-rpc" as a fallback.
> + supported SoC-specific values are:
> + "renesas,r8a77995-rpc" (R-Car D3)
> +- reg: should contain three register areas:
> + first for RPC-IF registers,
> + second for the direct mapping read mode and
> + third for the write buffer area.
> +- reg-names: should contain "regs", "dirmap" and "wbuf"
> +- clocks: should contain 1 entries for the module's clock
> +- clock-names: should contain "rpc"
> +- #address-cells: should be 1
> +- #size-cells: should be 0
> +
> +Example:
> +- SPI mode:
> +
> + rpc_if: 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>;
> + };
> + };
> +
> +- HF mode:
> + rpc_if: hf@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 = "cypress,hyperflash", "cfi-flash";
> + reg = <0>;
> + };
> + };
>
> =======================================================================<

thanks for your review.

best regards,
Mason



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