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Message-ID: <20200512020126.GA22178@bogus>
Date: Mon, 11 May 2020 21:01:26 -0500
From: Rob Herring <robh@...nel.org>
To: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Cc: "David S . Miller" <davem@...emloft.net>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] dt-bindings: net: Convert UniPhier AVE4 controller
to json-schema
On Tue, Apr 28, 2020 at 03:31:22PM +0900, Kunihiko Hayashi wrote:
> Convert the UniPhier AVE4 controller binding to DT schema format.
> This changes phy-handle property to required.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> ---
> .../bindings/net/socionext,uniphier-ave4.txt | 64 ------------
> .../bindings/net/socionext,uniphier-ave4.yaml | 109 +++++++++++++++++++++
> MAINTAINERS | 2 +-
> 3 files changed, 110 insertions(+), 65 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
> create mode 100644 Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
> deleted file mode 100644
> index 4e85fc4..0000000
> --- a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
> +++ /dev/null
> @@ -1,64 +0,0 @@
> -* Socionext AVE ethernet controller
> -
> -This describes the devicetree bindings for AVE ethernet controller
> -implemented on Socionext UniPhier SoCs.
> -
> -Required properties:
> - - compatible: Should be
> - - "socionext,uniphier-pro4-ave4" : for Pro4 SoC
> - - "socionext,uniphier-pxs2-ave4" : for PXs2 SoC
> - - "socionext,uniphier-ld11-ave4" : for LD11 SoC
> - - "socionext,uniphier-ld20-ave4" : for LD20 SoC
> - - "socionext,uniphier-pxs3-ave4" : for PXs3 SoC
> - - reg: Address where registers are mapped and size of region.
> - - interrupts: Should contain the MAC interrupt.
> - - phy-mode: See ethernet.txt in the same directory. Allow to choose
> - "rgmii", "rmii", "mii", or "internal" according to the PHY.
> - The acceptable mode is SoC-dependent.
> - - phy-handle: Should point to the external phy device.
> - See ethernet.txt file in the same directory.
> - - clocks: A phandle to the clock for the MAC.
> - For Pro4 SoC, that is "socionext,uniphier-pro4-ave4",
> - another MAC clock, GIO bus clock and PHY clock are also required.
> - - clock-names: Should contain
> - - "ether", "ether-gb", "gio", "ether-phy" for Pro4 SoC
> - - "ether" for others
> - - resets: A phandle to the reset control for the MAC. For Pro4 SoC,
> - GIO bus reset is also required.
> - - reset-names: Should contain
> - - "ether", "gio" for Pro4 SoC
> - - "ether" for others
> - - socionext,syscon-phy-mode: A phandle to syscon with one argument
> - that configures phy mode. The argument is the ID of MAC instance.
> -
> -The MAC address will be determined using the optional properties
> -defined in ethernet.txt.
> -
> -Required subnode:
> - - mdio: A container for child nodes representing phy nodes.
> - See phy.txt in the same directory.
> -
> -Example:
> -
> - ether: ethernet@...00000 {
> - compatible = "socionext,uniphier-ld20-ave4";
> - reg = <0x65000000 0x8500>;
> - interrupts = <0 66 4>;
> - phy-mode = "rgmii";
> - phy-handle = <ðphy>;
> - clock-names = "ether";
> - clocks = <&sys_clk 6>;
> - reset-names = "ether";
> - resets = <&sys_rst 6>;
> - socionext,syscon-phy-mode = <&soc_glue 0>;
> - local-mac-address = [00 00 00 00 00 00];
> -
> - mdio {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - ethphy: ethphy@1 {
> - reg = <1>;
> - };
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
> new file mode 100644
> index 0000000..fd31e87
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
> @@ -0,0 +1,109 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/socionext,uniphier-ave4.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Socionext AVE ethernet controller
> +
> +maintainers:
> + - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> +
> +description: |
> + This describes the devicetree bindings for AVE ethernet controller
> + implemented on Socionext UniPhier SoCs.
> +
> +allOf:
> + - $ref: ethernet-controller.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - socionext,uniphier-pro4-ave4
> + - socionext,uniphier-pxs2-ave4
> + - socionext,uniphier-ld11-ave4
> + - socionext,uniphier-ld20-ave4
> + - socionext,uniphier-pxs3-ave4
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + phy-mode:
> + $ref: ethernet-controller.yaml#/properties/phy-mode
> +
> + phy-handle:
> + $ref: ethernet-controller.yaml#/properties/phy-handle
No need for these $ref, the 1st reference did this. Just:
phy-mode: true
> +
> + clocks:
> + minItems: 1
> + maxItems: 4
> +
> + clock-names:
> + oneOf:
> + - items: # for Pro4
> + - const: gio
> + - const: ether
> + - const: ether-gb
> + - const: ether-phy
> + - const: ether # for others
> +
> + resets:
> + minItems: 1
> + maxItems: 2
> +
> + reset-names:
> + oneOf:
> + - items: # for Pro4
> + - const: gio
> + - const: ether
> + - const: ether # for others
> +
> + socionext,syscon-phy-mode:
> + $ref: /schemas/types.yaml#definitions/phandle-array
> + description:
> + A phandle to syscon with one argument that configures phy mode.
> + The argument is the ID of MAC instance.
> +
> + mdio:
> + $ref: mdio.yaml#
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - phy-mode
> + - phy-handle
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - mdio
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + ether: ethernet@...00000 {
> + compatible = "socionext,uniphier-ld20-ave4";
> + reg = <0x65000000 0x8500>;
> + interrupts = <0 66 4>;
> + phy-mode = "rgmii";
> + phy-handle = <ðphy>;
> + clock-names = "ether";
> + clocks = <&sys_clk 6>;
> + reset-names = "ether";
> + resets = <&sys_rst 6>;
> + socionext,syscon-phy-mode = <&soc_glue 0>;
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy: ethernet-phy@1 {
> + reg = <1>;
> + };
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a1558eb..0ee65e2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -15590,7 +15590,7 @@ SOCIONEXT (SNI) AVE NETWORK DRIVER
> M: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> L: netdev@...r.kernel.org
> S: Maintained
> -F: Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
> +F: Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
> F: drivers/net/ethernet/socionext/sni_ave.c
>
> SOCIONEXT (SNI) NETSEC NETWORK DRIVER
> --
> 2.7.4
>
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