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Date: Wed, 8 Dec 2021 12:28:00 -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),
netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 1/2] 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..8f031932c8af
--- /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:
+ maxItems: 2
+ reg-names:
+ maxItems: 2
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - brcm,nsp-amac
+ then:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 2
+ reg-names:
+ minItems: 2
+ maxItems: 2
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - brcm,ns2-amac
+ then:
+ properties:
+ reg:
+ minItems: 3
+ reg-names:
+ minItems: 3
+
+properties:
+ compatible:
+ enum:
+ - brcm,amac
+ - brcm,nsp-amac
+ - brcm,ns2-amac
+
+ interrupts:
+ maxItems: 1
+
+ reg:
+ minItems: 1
+ maxItems: 3
+
+ reg-names:
+ minItems: 1
+ items:
+ - const: amac_base
+ - const: idm_base
+ - const: nicpm_base
+
+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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