From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Wolfgang Grandegger <wg@grandegger.com>,
Marc Kleine-Budde <mkl@pengutronix.de>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Rob Herring <robh+dt@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
linux-can@vger.kernel.org, netdev@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@pengutronix.de, David Jander <david@protonic.nl>
Subject: [PATCH v2 2/3] dt-bindings: can: fsl,flexcan: enable termination-* bindings
Date: Tue, 17 Aug 2021 06:13:05 +0200 [thread overview]
Message-ID: <20210817041306.25185-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210817041306.25185-1-o.rempel@pengutronix.de>
Enable termination-* binding and provide validation example for it.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
.../bindings/net/can/fsl,flexcan.yaml | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
index 55bff1586b6f..2ae5443b3ace 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 +151,17 @@ 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@2090000 {
+ 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>;
+ termination-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+ termination-ohms = /bits/ 16 <150>;
+ };
--
2.30.2
next prev parent reply other threads:[~2021-08-17 4:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-17 4:13 [PATCH v2 0/3] can: provide GPIO based termination Oleksij Rempel
2021-08-17 4:13 ` [PATCH v2 1/3] dt-bindings: can-controller: add support for termination-gpios Oleksij Rempel
2021-08-18 1:18 ` Rob Herring
2021-08-17 4:13 ` Oleksij Rempel [this message]
2021-08-17 4:13 ` [PATCH v2 3/3] can: dev: provide optional GPIO based termination support Oleksij Rempel
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