netdev - [PATCH v2 net-next 1/2] dt-bindings: net: airoha: Add EN7581 ethernet controller

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Message-ID: <ae8ac05a56f479286bc748fb930c5643a2fbde10.1718696209.git.lorenzo@kernel.org>
Date: Tue, 18 Jun 2024 09:49:02 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: netdev@...r.kernel.org
Cc: nbd@....name,
	lorenzo.bianconi83@...il.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	conor@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	catalin.marinas@....com,
	will@...nel.org,
	upstream@...oha.com,
	angelogioacchino.delregno@...labora.com,
	benjamin.larsson@...exis.eu,
	linux-clk@...r.kernel.org,
	rkannoth@...vell.com,
	sgoutham@...vell.com,
	andrew@...n.ch
Subject: [PATCH v2 net-next 1/2] dt-bindings: net: airoha: Add EN7581 ethernet controller

Introduce device-tree binding documentation for Airoha EN7581 ethernet
mac controller.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
This patch is based on the following one not applied yet on clk tree:
dt-bindings: clock: airoha: Add reset support to EN7581 clock binding
https://patchwork.kernel.org/project/linux-clk/patch/ac557b6f4029cb3428d4c0ed1582d0c602481fb6.1718282056.git.lorenzo@kernel.org/
---
 .../bindings/net/airoha,en7581.yaml           | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/airoha,en7581.yaml

diff --git a/Documentation/devicetree/bindings/net/airoha,en7581.yaml b/Documentation/devicetree/bindings/net/airoha,en7581.yaml
new file mode 100644
index 000000000000..09e7b5eed3ae
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/airoha,en7581.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/airoha,en7581.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 Frame Engine Ethernet controller
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@...nel.org>
+
+description:
+  The frame engine ethernet controller can be found on Airoha SoCs.
+  These SoCs have dual GMAC ports.
+
+properties:
+  compatible:
+    enum:
+      - airoha,en7581-eth
+
+  reg:
+    items:
+      - description: Frame engine base address
+      - description: QDMA0 base address
+      - description: QDMA1 base address
+
+  reg-names:
+    items:
+      - const: fe
+      - const: qdma0
+      - const: qdma1
+
+  interrupts:
+    maxItems: 10
+
+  resets:
+    maxItems: 7
+
+  reset-names:
+    items:
+      - const: fe
+      - const: pdma
+      - const: qdma
+      - const: xsi-mac
+      - const: hsi0-mac
+      - const: hsi1-mac
+      - const: hsi-mac
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - resets
+  - reset-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/en7523-clk.h>
+    #include <dt-bindings/reset/airoha,en7581-reset.h>
+
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      eth0: ethernet@...50000 {
+        compatible = "airoha,en7581-eth";
+        reg = <0 0x1fb50000 0 0x2600>,
+              <0 0x1fb54000 0 0x2000>,
+              <0 0x1fb56000 0 0x2000>;
+        reg-names = "fe", "qdma0", "qdma1";
+
+        resets = <&scuclk EN7581_FE_RST>,
+                 <&scuclk EN7581_FE_PDMA_RST>,
+                 <&scuclk EN7581_FE_QDMA_RST>,
+                 <&scuclk EN7581_XSI_MAC_RST>,
+                 <&scuclk EN7581_DUAL_HSI0_MAC_RST>,
+                 <&scuclk EN7581_DUAL_HSI1_MAC_RST>,
+                 <&scuclk EN7581_HSI_MAC_RST>;
+        reset-names = "fe", "pdma", "qdma", "xsi-mac",
+                      "hsi0-mac", "hsi1-mac", "hsi-mac";
+
+        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
-- 
2.45.1