From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Mason Yang <masonccyang@mxic.com.tw>,
broonie@kernel.org, marek.vasut@gmail.com,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
bbrezillon@kernel.org, linux-renesas-soc@vger.kernel.org,
Geert Uytterhoeven <geert+renesas@glider.be>,
devicetree@vger.kernel.org, mark.rutland@arm.com,
robh+dt@kernel.org, lee.jones@linaro.org
Cc: juliensu@mxic.com.tw, Simon Horman <horms@verge.net.au>,
zhengxunli@mxic.com.tw
Subject: Re: [PATCH v9 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings
Date: Fri, 29 Mar 2019 13:49:58 +0300 [thread overview]
Message-ID: <5e841334-7cd7-3b5f-77d2-bb39bf8ec8b7@cogentembedded.com> (raw)
In-Reply-To: <1553847606-18122-4-git-send-email-masonccyang@mxic.com.tw>
Hello!
On 03/29/2019 11:20 AM, Mason Yang wrote:
> Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD controller.
>
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> ---
> .../devicetree/bindings/mfd/mfd-renesas-rpc.txt | 57 ++++++++++++++++++++++
> 1 file changed, 57 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
> new file mode 100644
> index 0000000..577986b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
> @@ -0,0 +1,57 @@
> +Renesas R-Car Gen3 RPC-IF MFD controller Device Tree Bindings
> +---------------------------------------------------------------------
Too many dashes. :-)
> +
> +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 the base address of 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"
What about the "power-domains" and "resets" props?
> +- #address-cells: should be 1
> +- #size-cells: should be 0
Why? You don't have the "reg" props in the sub-devices...
> +
> +Required nodes:
> + spi:
> + Node for configuring the SPI controller driver.
> + Required properties:
> + compatible = "renesas,rcar-rpc-spi";
Sigh... you were supposed to only place the flash device sub-nodes
under the "main" device node, we don't add the virtual devices to DT,
there's no matching sub-device in the hardware. You don't have to
describe these sub-devices in DT, you can register the simple platform
devices.
> +
> + hf:
> + Node for configuring the hyperflash controller driver.
> + Required properties:
> + compatible = "renesas,rcar-rpc-hf";
> +
> +Example:
> +
> + rpc_mfd: rpc-mfd@ee200000 {
Just "rpc: rpc-if@ee200000, please.
[...]
MBR, Sergei
prev parent reply other threads:[~2019-03-29 10:50 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-29 8:20 [PATCH v9 0/3] mfd: Add Renesas R-Car Gen3 RPC-IF MFD driver Mason Yang
2019-03-29 8:20 ` [PATCH v9 1/3] mfd: Add Renesas R-Car Gen3 RPC-IF MFD controller driver Mason Yang
2019-03-29 10:43 ` Marek Vasut
2019-03-29 15:12 ` Sergei Shtylyov
2019-03-29 8:20 ` [PATCH v9 2/3] spi: Add Renesas R-Car Gen3 RPC-IF SPI " Mason Yang
2019-03-29 10:44 ` Marek Vasut
2019-03-29 15:52 ` Sergei Shtylyov
[not found] ` <OF7F1B534F.B934A9FE-ON482583D0.001DC618-482583D0.001FE84B@mxic.com.tw>
2019-04-02 20:10 ` Sergei Shtylyov
[not found] ` <OFAEA16021.C7F7B095-ON482583D1.0031A13D-482583D1.00335085@mxic.com.tw>
2019-04-04 18:56 ` Sergei Shtylyov
2019-04-04 19:12 ` Boris Brezillon
2019-04-06 19:59 ` Sergei Shtylyov
2019-04-09 11:20 ` Sergei Shtylyov
2019-04-10 19:47 ` Sergei Shtylyov
2019-04-09 20:07 ` Sergei Shtylyov
[not found] ` <OFC7F0028A.CFF6BD04-ON482583D8.00084FA1-482583D8.0008985F@mxic.com.tw>
2019-04-10 6:27 ` Marek Vasut
[not found] ` <OF75EDBF48.5C308F1B-ON482583D8.0027A537-482583D8.002C0A64@mxic.com.tw>
2019-04-10 8:03 ` Marek Vasut
2019-04-10 8:11 ` Boris Brezillon
2019-04-10 17:53 ` Sergei Shtylyov
2019-04-13 16:38 ` Sergei Shtylyov
2019-04-13 16:39 ` Sergei Shtylyov
[not found] ` <OF82CE76E9.E6395EF7-ON482583DD.000E37D7-482583DD.000E5077@mxic.com.tw>
2019-04-17 18:44 ` Sergei Shtylyov
[not found] ` <OF4ABCC306.B053BA23-ON482583E0.000F480C-482583E0.000FAD4A@mxic.com.tw>
2019-04-18 19:43 ` Sergei Shtylyov
[not found] ` <OF58AAFF49.C4593DEB-ON482583E1.001D551E-482583E1.001F089D@LocalDomain>
[not found] ` <OFE74649D4.F69BB5EF-ON482583E1.0033F73F-482583E1.00344ED2@mxic.com.tw>
2019-04-22 16:44 ` Sergei Shtylyov
[not found] ` <OF58AAFF49.C4593DEB-ON482583E1.001D551E-482583E1.001F089D@mxic.com.tw>
2019-04-23 7:29 ` Geert Uytterhoeven
2019-05-14 19:06 ` Sergei Shtylyov
2019-05-14 19:13 ` Sergei Shtylyov
2019-03-29 8:20 ` [PATCH v9 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings Mason Yang
2019-03-29 10:45 ` Marek Vasut
2019-03-29 10:49 ` Sergei Shtylyov [this message]
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