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Message-ID: <YlgpCN0hmCvGK6ey@robh.at.kernel.org>
Date: Thu, 14 Apr 2022 09:00:40 -0500
From: Rob Herring <robh@...nel.org>
To: Lorenzo Bianconi <lorenzo@...nel.org>
Cc: netdev@...r.kernel.org, nbd@....name, lorenzo.bianconi@...hat.com,
devicetree@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
pabeni@...hat.com, john@...ozen.org
Subject: Re: [PATCH net-next] dt-bindings: net: mediatek,net: convert to the
json-schema
On Thu, Apr 14, 2022 at 12:19:28PM +0200, Lorenzo Bianconi wrote:
> This patch converts the existing mediatek-net.txt binding file
> in yaml format.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> ---
> .../devicetree/bindings/net/mediatek,net.yaml | 294 ++++++++++++++++++
> .../devicetree/bindings/net/mediatek-net.txt | 108 -------
> 2 files changed, 294 insertions(+), 108 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/net/mediatek,net.yaml
> delete mode 100644 Documentation/devicetree/bindings/net/mediatek-net.txt
>
> diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> new file mode 100644
> index 000000000000..6c7696a5b8e7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> @@ -0,0 +1,294 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/mediatek,net.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Frame Engine Ethernet controller
> +
> +maintainers:
> + - Lorenzo Bianconi <lorenzo@...nel.org>
> + - Felix Fietkau <nbd@....name>
> +
> +description:
> + The frame engine ethernet controller can be found on MediaTek SoCs. These SoCs
> + have dual GMAC ports.
> +
> +properties:
> + compatible:
> + enum:
> + - mediatek,mt2701-eth
> + - mediatek,mt7623-eth
> + - mediatek,mt7622-eth
> + - mediatek,mt7629-eth
> + - ralink,rt5350-eth
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + minItems: 3
> + maxItems: 3
> +
> + power-domains:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
Is it 1 reset or...
> +
> + reset-names:
> + items:
> + - const: fe
> + - const: gmac
> + - const: ppe
... 3 resets?
> +
> + mediatek,ethsys:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the syscon node that handles the port setup.
> +
> + cci-control-port: true
> +
> + mediatek,hifsys:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the mediatek hifsys controller used to provide various clocks
> + and reset to the system.
> +
> + dma-coherent: true
> +
> + mdio-bus:
> + $ref: mdio.yaml#
> + unevaluatedProperties: false
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> +allOf:
> + - $ref: "ethernet-controller.yaml#"
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - mediatek,mt2701-eth
> + - mediatek,mt7623-eth
> + then:
> + properties:
> + clocks:
> + minItems: 4
> + maxItems: 4
> +
> + clock-names:
> + additionalItems: false
> + items:
> + - const: ethif
> + - const: esw
> + - const: gp1
> + - const: gp2
> +
> + mediatek,pctl:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the syscon node that handles the ports slew rate and
> + driver current.
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: mediatek,mt7622-eth
> + then:
> + properties:
> + clocks:
> + minItems: 11
> + maxItems: 11
> +
> + clock-names:
> + additionalItems: false
> + items:
> + - const: ethif
> + - const: esw
> + - const: gp0
> + - const: gp1
> + - const: gp2
> + - const: sgmii_tx250m
> + - const: sgmii_rx250m
> + - const: sgmii_cdr_ref
> + - const: sgmii_cdr_fb
> + - const: sgmii_ck
> + - const: eth2pll
> +
> + mediatek,sgmiisys:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + maxItems: 1
> + description:
> + A list of phandle to the syscon node that handles the SGMII setup which is required for
> + those SoCs equipped with SGMII.
> +
> + mediatek,wed:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + minItems: 2
> + maxItems: 2
> + description:
> + List of phandles to wireless ethernet dispatch nodes.
> +
> + mediatek,pcie-mirror:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the mediatek pcie-mirror controller.
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: mediatek,mt7629-eth
> + then:
> + properties:
> + clocks:
> + minItems: 17
> + maxItems: 17
> +
> + clock-names:
> + additionalItems: false
> + items:
> + - const: ethif
> + - const: sgmiitop
> + - const: esw
> + - const: gp0
> + - const: gp1
> + - const: gp2
> + - const: fe
> + - const: sgmii_tx250m
> + - const: sgmii_rx250m
> + - const: sgmii_cdr_ref
> + - const: sgmii_cdr_fb
> + - const: sgmii2_tx250m
> + - const: sgmii2_rx250m
> + - const: sgmii2_cdr_ref
> + - const: sgmii2_cdr_fb
> + - const: sgmii_ck
> + - const: eth2pll
> +
> + mediatek,infracfg:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the syscon node that handles the path from GMAC to
> + PHY variants.
> +
> + mediatek,sgmiisys:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + maxItems: 2
> + description:
> + A list of phandle to the syscon node that handles the SGMII setup which is required for
> + those SoCs equipped with SGMII.
> +
> +patternProperties:
> + "^mac@[0-1]$":
> + type: object
> + additionalProperties: false
> + allOf:
> + - $ref: ethernet-controller.yaml#
> + description:
> + Ethernet MAC node
> + properties:
> + compatible:
> + const: mediatek,eth-mac
> +
> + reg:
> + maxItems: 1
> +
> + phy-handle: true
> +
> + phy-mode: true
> +
> + required:
> + - reg
> + - compatible
> + - phy-handle
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - power-domains
> + - mediatek,ethsys
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/clock/mt7622-clk.h>
> + #include <dt-bindings/power/mt7622-power.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + ethernet: ethernet@...00000 {
> + compatible = "mediatek,mt7622-eth";
> + reg = <0 0x1b100000 0 0x20000>;
> + interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_SPI 224 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_SPI 225 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&topckgen CLK_TOP_ETH_SEL>,
> + <ðsys CLK_ETH_ESW_EN>,
> + <ðsys CLK_ETH_GP0_EN>,
> + <ðsys CLK_ETH_GP1_EN>,
> + <ðsys CLK_ETH_GP2_EN>,
> + <&sgmiisys CLK_SGMII_TX250M_EN>,
> + <&sgmiisys CLK_SGMII_RX250M_EN>,
> + <&sgmiisys CLK_SGMII_CDR_REF>,
> + <&sgmiisys CLK_SGMII_CDR_FB>,
> + <&topckgen CLK_TOP_SGMIIPLL>,
> + <&apmixedsys CLK_APMIXED_ETH2PLL>;
> + clock-names = "ethif", "esw", "gp0", "gp1", "gp2",
> + "sgmii_tx250m", "sgmii_rx250m",
> + "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck",
> + "eth2pll";
> + power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
> + mediatek,ethsys = <ðsys>;
> + mediatek,sgmiisys = <&sgmiisys>;
> + cci-control = <&cci_control2>;
Doesn't match the schema. Did you test this? I didn't because it doesn't
apply to rc1.
> + mediatek,pcie-mirror = <&pcie_mirror>;
> + mediatek,hifsys = <&hifsys>;
> + dma-coherent;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mdio0: mdio-bus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + phy0: ethernet-phy@0 {
> + reg = <0>;
> + };
> +
> + phy1: ethernet-phy@1 {
> + reg = <1>;
> + };
> + };
> +
> + gmac0: mac@0 {
> + compatible = "mediatek,eth-mac";
> + phy-mode = "rgmii";
> + phy-handle = <&phy0>;
> + reg = <0>;
> + };
> +
> + gmac1: mac@1 {
> + compatible = "mediatek,eth-mac";
> + phy-mode = "rgmii";
> + phy-handle = <&phy1>;
> + reg = <1>;
> + };
> + };
> + };
> diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
> deleted file mode 100644
> index f18d70189375..000000000000
> --- a/Documentation/devicetree/bindings/net/mediatek-net.txt
> +++ /dev/null
> @@ -1,108 +0,0 @@
> -MediaTek Frame Engine Ethernet controller
> -=========================================
> -
> -The frame engine ethernet controller can be found on MediaTek SoCs. These SoCs
> -have dual GMAC each represented by a child node..
> -
> -* Ethernet controller node
> -
> -Required properties:
> -- compatible: Should be
> - "mediatek,mt2701-eth": for MT2701 SoC
> - "mediatek,mt7623-eth", "mediatek,mt2701-eth": for MT7623 SoC
> - "mediatek,mt7622-eth": for MT7622 SoC
> - "mediatek,mt7629-eth": for MT7629 SoC
> - "ralink,rt5350-eth": for Ralink Rt5350F and MT7628/88 SoC
> -- reg: Address and length of the register set for the device
> -- interrupts: Should contain the three frame engines interrupts in numeric
> - order. These are fe_int0, fe_int1 and fe_int2.
> -- clocks: the clock used by the core
> -- clock-names: the names of the clock listed in the clocks property. These are
> - "ethif", "esw", "gp2", "gp1" : For MT2701 and MT7623 SoC
> - "ethif", "esw", "gp0", "gp1", "gp2", "sgmii_tx250m", "sgmii_rx250m",
> - "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck", "eth2pll" : For MT7622 SoC
> - "ethif", "sgmiitop", "esw", "gp0", "gp1", "gp2", "fe", "sgmii_tx250m",
> - "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii2_tx250m",
> - "sgmii2_rx250m", "sgmii2_cdr_ref", "sgmii2_cdr_fb", "sgmii_ck",
> - "eth2pll" : For MT7629 SoC.
> -- power-domains: phandle to the power domain that the ethernet is part of
> -- resets: Should contain phandles to the ethsys reset signals
> -- reset-names: Should contain the names of reset signal listed in the resets
> - property
> - These are "fe", "gmac" and "ppe"
> -- mediatek,ethsys: phandle to the syscon node that handles the port setup
> -- mediatek,infracfg: phandle to the syscon node that handles the path from
> - GMAC to PHY variants, which is required for MT7629 SoC.
> -- mediatek,sgmiisys: a list of phandles to the syscon node that handles the
> - SGMII setup which is required for those SoCs equipped with SGMII such
> - as MT7622 and MT7629 SoC. And MT7622 have only one set of SGMII shared
> - by GMAC1 and GMAC2; MT7629 have two independent sets of SGMII directed
> - to GMAC1 and GMAC2, respectively.
> -- mediatek,pctl: phandle to the syscon node that handles the ports slew rate
> - and driver current: only for MT2701 and MT7623 SoC
> -
> -Optional properties:
> -- dma-coherent: present if dma operations are coherent
> -- mediatek,cci-control: phandle to the cache coherent interconnect node
> -- mediatek,hifsys: phandle to the mediatek hifsys controller used to provide
> - various clocks and reset to the system.
> -- mediatek,wed: a list of phandles to wireless ethernet dispatch nodes for
> - MT7622 SoC.
> -- mediatek,pcie-mirror: phandle to the mediatek pcie-mirror controller for
> - MT7622 SoC.
> -
> -* Ethernet MAC node
> -
> -Required properties:
> -- compatible: Should be "mediatek,eth-mac"
> -- reg: The number of the MAC
> -- phy-handle: see ethernet.txt file in the same directory and
> - the phy-mode "trgmii" required being provided when reg
> - is equal to 0 and the MAC uses fixed-link to connect
> - with internal switch such as MT7530.
> -
> -Example:
> -
> -eth: ethernet@...00000 {
> - compatible = "mediatek,mt7623-eth";
> - reg = <0 0x1b100000 0 0x20000>;
> - clocks = <&topckgen CLK_TOP_ETHIF_SEL>,
> - <ðsys CLK_ETHSYS_ESW>,
> - <ðsys CLK_ETHSYS_GP2>,
> - <ðsys CLK_ETHSYS_GP1>;
> - clock-names = "ethif", "esw", "gp2", "gp1";
> - interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_LOW
> - GIC_SPI 199 IRQ_TYPE_LEVEL_LOW
> - GIC_SPI 198 IRQ_TYPE_LEVEL_LOW>;
> - power-domains = <&scpsys MT2701_POWER_DOMAIN_ETH>;
> - resets = <ðsys MT2701_ETHSYS_ETH_RST>;
> - reset-names = "eth";
> - mediatek,ethsys = <ðsys>;
> - mediatek,pctl = <&syscfg_pctl_a>;
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - gmac1: mac@0 {
> - compatible = "mediatek,eth-mac";
> - reg = <0>;
> - phy-handle = <&phy0>;
> - };
> -
> - gmac2: mac@1 {
> - compatible = "mediatek,eth-mac";
> - reg = <1>;
> - phy-handle = <&phy1>;
> - };
> -
> - mdio-bus {
> - phy0: ethernet-phy@0 {
> - reg = <0>;
> - phy-mode = "rgmii";
> - };
> -
> - phy1: ethernet-phy@1 {
> - reg = <1>;
> - phy-mode = "rgmii";
> - };
> - };
> -};
> --
> 2.35.1
>
>
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