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Date: Wed, 8 Dec 2021 13:46:42 -0600
From: Rob Herring <robh@...nel.org>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: devicetree@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rafał Miłecki <rafal@...ecki.pl>,
"maintainer:BROADCOM IPROC GBIT ETHERNET DRIVER"
<bcm-kernel-feedback-list@...adcom.com>,
Doug Berger <opendmb@...il.com>, Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
"open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>,
"moderated list:BROADCOM IPROC ARM ARCHITECTURE"
<linux-arm-kernel@...ts.infradead.org>,
"open list:GENERIC PHY FRAMEWORK" <linux-phy@...ts.infradead.org>
Subject: Re: [PATCH v3 5/8] dt-bindings: net: Convert AMAC to YAML
On Mon, Dec 06, 2021 at 10:00:46AM -0800, Florian Fainelli wrote:
> Convert the Broadcom AMAC Device Tree binding to YAML to help with
> schema and dtbs checking.
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
> .../devicetree/bindings/net/brcm,amac.txt | 30 -------
> .../devicetree/bindings/net/brcm,amac.yaml | 88 +++++++++++++++++++
> MAINTAINERS | 2 +-
> 3 files changed, 89 insertions(+), 31 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/net/brcm,amac.txt
> create mode 100644 Documentation/devicetree/bindings/net/brcm,amac.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/brcm,amac.txt b/Documentation/devicetree/bindings/net/brcm,amac.txt
> deleted file mode 100644
> index 0120ebe93262..000000000000
> --- a/Documentation/devicetree/bindings/net/brcm,amac.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -Broadcom AMAC Ethernet Controller Device Tree Bindings
> --------------------------------------------------------------
> -
> -Required properties:
> - - compatible: "brcm,amac"
> - "brcm,nsp-amac"
> - "brcm,ns2-amac"
> - - reg: Address and length of the register set for the device. It
> - contains the information of registers in the same order as
> - described by reg-names
> - - reg-names: Names of the registers.
> - "amac_base": Address and length of the GMAC registers
> - "idm_base": Address and length of the GMAC IDM registers
> - (required for NSP and Northstar2)
> - "nicpm_base": Address and length of the NIC Port Manager
> - registers (required for Northstar2)
> - - interrupts: Interrupt number
> -
> -The MAC address will be determined using the optional properties
> -defined in ethernet.txt.
> -
> -Examples:
> -
> -amac0: ethernet@...22000 {
> - compatible = "brcm,nsp-amac";
> - reg = <0x18022000 0x1000>,
> - <0x18110000 0x1000>;
> - reg-names = "amac_base", "idm_base";
> - interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
> -};
> diff --git a/Documentation/devicetree/bindings/net/brcm,amac.yaml b/Documentation/devicetree/bindings/net/brcm,amac.yaml
> new file mode 100644
> index 000000000000..d9de68aba7d3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/brcm,amac.yaml
> @@ -0,0 +1,88 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/brcm,amac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom AMAC Ethernet Controller Device Tree Bindings
> +
> +maintainers:
> + - Florian Fainelli <f.fainelli@...il.com>
> +
> +allOf:
> + - $ref: "ethernet-controller.yaml#"
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - brcm,amac
> + then:
> + properties:
> + reg:
> + minItems: 1
> + maxItems: 2
> + reg-names:
> + minItems: 1
> + maxItems: 2
> + items:
> + - const: amac_base
> + - const: idm_base
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - brcm,nsp-amac
> + then:
> + properties:
> + reg:
> + minItems: 2
> + maxItems: 2
> + reg-names:
> + items:
> + - const: amac_base
> + - const: idm_base
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - brcm,ns2-amac
> + then:
> + properties:
> + reg:
> + minItems: 3
> + maxItems: 3
> + reg-names:
> + items:
> + - const: amac_base
> + - const: idm_base
> + - const: nicpm_base
Move this to the main section so that the names are only defined once.
Then here you can just set the number of items.
> +
> +properties:
> + compatible:
> + enum:
> + - brcm,amac
> + - brcm,nsp-amac
> + - brcm,ns2-amac
> +
> + interrupts:
> + maxItems: 1
> +
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + amac0: ethernet@...22000 {
> + compatible = "brcm,nsp-amac";
> + reg = <0x18022000 0x1000>,
> + <0x18110000 0x1000>;
> + reg-names = "amac_base", "idm_base";
> + interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 5e1064c23f41..404e76d625f1 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3861,7 +3861,7 @@ M: Rafał Miłecki <rafal@...ecki.pl>
> M: bcm-kernel-feedback-list@...adcom.com
> L: netdev@...r.kernel.org
> S: Maintained
> -F: Documentation/devicetree/bindings/net/brcm,amac.txt
> +F: Documentation/devicetree/bindings/net/brcm,amac.yaml
> F: drivers/net/ethernet/broadcom/bgmac*
> F: drivers/net/ethernet/broadcom/unimac.h
>
> --
> 2.25.1
>
>
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