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Message-Id: <20211206180049.2086907-6-f.fainelli@gmail.com>
Date:   Mon,  6 Dec 2021 10:00:46 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     devicetree@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Rafał Miłecki <rafal@...ecki.pl>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM IPROC GBIT
        ETHERNET DRIVER), 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>,
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM IPROC ARM
        ARCHITECTURE),
        linux-phy@...ts.infradead.org (open list:GENERIC PHY FRAMEWORK)
Subject: [PATCH v3 5/8] dt-bindings: net: Convert AMAC to YAML

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
+
+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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