bcm4908: backport recent bcm4908_enet changes

This includes 5.12 fix and 5.13 improvements.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 50 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.4/074-v5.13-0002-dt-bindings-net-bcm4908-enet-add-optional-TX-interru.patch b/target/linux/bcm4908/patches-5.4/074-v5.13-0002-dt-bindings-net-bcm4908-enet-add-optional-TX-interru.patch
new file mode 100644
index 0000000000..b61437a2de
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/074-v5.13-0002-dt-bindings-net-bcm4908-enet-add-optional-TX-interru.patch
@@ -0,0 +1,50 @@
+From ab4dda7a8cb7e55ea3d92fd5e249cf6f5396028c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Thu, 11 Mar 2021 13:35:20 +0100
+Subject: [PATCH] dt-bindings: net: bcm4908-enet: add optional TX interrupt
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+I discovered that hardware actually supports two interrupts, one per DMA
+channel (RX and TX).
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ .../bindings/net/brcm,bcm4908-enet.yaml         | 17 +++++++++++++----
+ 1 file changed, 13 insertions(+), 4 deletions(-)
+
+--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+@@ -22,10 +22,18 @@ properties:
+     maxItems: 1
+ 
+   interrupts:
+-    description: RX interrupt
++    minItems: 1
++    maxItems: 2
++    items:
++      - description: RX interrupt
++      - description: TX interrupt
+ 
+   interrupt-names:
+-    const: rx
++    minItems: 1
++    maxItems: 2
++    items:
++      - const: rx
++      - const: tx
+ 
+ required:
+   - reg
+@@ -43,6 +51,7 @@ examples:
+         compatible = "brcm,bcm4908-enet";
+         reg = <0x80002000 0x1000>;
+ 
+-        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+-        interrupt-names = "rx";
++        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
++                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
++        interrupt-names = "rx", "tx";
+     };