linux-kernel - [RFC PATCH net-next 4/9] dt-bindings: net: dsa: microchip,ksz: add interrupt property

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Message-ID: <20201019172435.4416-5-ceggers@arri.de>
Date:   Mon, 19 Oct 2020 19:24:30 +0200
From:   Christian Eggers <ceggers@...i.de>
To:     Vladimir Oltean <olteanv@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Helmut Grohne <helmut.grohne@...enta.de>,
        Paul Barker <pbarker@...sulko.com>,
        Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        George McCollister <george.mccollister@...il.com>,
        Marek Vasut <marex@...x.de>,
        Tristram Ha <Tristram.Ha@...rochip.com>,
        "David S . Miller" <davem@...emloft.net>,
        Woojung Huh <woojung.huh@...rochip.com>,
        "Microchip Linux Driver Support" <UNGLinuxDriver@...rochip.com>,
        Christian Eggers <ceggers@...i.de>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH net-next 4/9] dt-bindings: net: dsa: microchip,ksz: add interrupt property

The devices have an optional interrupt line.

Signed-off-by: Christian Eggers <ceggers@...i.de>
---
 .../devicetree/bindings/net/dsa/microchip,ksz.yaml        | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
index f93c3bdd0b83..be927a3a370b 100644
--- a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
@@ -32,6 +32,11 @@ properties:
       Should be a gpio specifier for a reset line.
     maxItems: 1
 
+  interrupts:
+    description:
+      Interrupt specifier for the INTRP_N line from the device.
+    maxItems: 1
+
   microchip,synclko-125:
     $ref: /schemas/types.yaml#/definitions/flag
     description:
@@ -44,6 +49,7 @@ required:
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
 
     // Ethernet switch connected via SPI to the host, CPU port wired to eth0:
     eth0 {
@@ -65,6 +71,8 @@ examples:
             compatible = "microchip,ksz9477";
             reg = <0>;
             reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+            interrupt-parent = <&gpio5>;
+            interrupts = <1 IRQ_TYPE_LEVEL_LOW>;  /* INTRP_N line */
 
             spi-max-frequency = <44000000>;
             spi-cpha;
-- 
Christian Eggers
Embedded software developer

Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
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