linux-kernel - [PATCH v1 2/3] dt-bindings: can: fsl,flexcan: enable termination-* bindings

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Message-Id: <20210816114840.17502-2-o.rempel@pengutronix.de>
Date:   Mon, 16 Aug 2021 13:48:39 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, David Jander <david@...tonic.nl>
Subject: [PATCH v1 2/3] dt-bindings: can: fsl,flexcan: enable termination-* bindings

Enable termination-* binding and provide validation example for it.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../bindings/net/can/fsl,flexcan.yaml          | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
index 55bff1586b6f..ef31696eb642 100644
--- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
+++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
@@ -119,6 +119,9 @@ properties:
     minimum: 0
     maximum: 2
 
+  termination-gpios: true
+  termination-ohms: true
+
 required:
   - compatible
   - reg
@@ -148,3 +151,18 @@ examples:
         fsl,stop-mode = <&gpr 0x34 28>;
         fsl,scu-index = /bits/ 8 <1>;
     };
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    can@...0000 {
+        compatible = "fsl,imx6q-flexcan";
+        reg = <0x02090000 0x4000>;
+        interrupts = <0 110 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clks 1>, <&clks 2>;
+        clock-names = "ipg", "per";
+        fsl,stop-mode = <&gpr 0x34 28>;
+        fsl,scu-index = /bits/ 8 <1>;
+        termination-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+        termination-ohms = /bits/ 16 <150>;
+    };
-- 
2.30.2