From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: [PATCH 1/2] net: flexcan: clock-frequency is optional for device tree probe Date: Tue, 26 Jun 2012 16:49:22 +0800 Message-ID: <1340700563-8386-2-git-send-email-shawn.guo@linaro.org> References: <1340700563-8386-1-git-send-email-shawn.guo@linaro.org> Mime-Version: 1.0 Content-Type: text/plain Cc: Marc Kleine-Budde , , , Shawn Guo To: "David S. Miller" Return-path: Received: from am1ehsobe005.messaging.microsoft.com ([213.199.154.208]:15527 "EHLO am1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751088Ab2FZItZ (ORCPT ); Tue, 26 Jun 2012 04:49:25 -0400 In-Reply-To: <1340700563-8386-1-git-send-email-shawn.guo@linaro.org> Sender: netdev-owner@vger.kernel.org List-ID: The property clock-frequency is optional for device tree probe. When it's absent, the flexcan driver will try to get the frequency from clk system by calling clk_get_rate. Signed-off-by: Shawn Guo --- .../devicetree/bindings/net/can/fsl-flexcan.txt | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt index f31b686..8ff324e 100644 --- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt +++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt @@ -11,6 +11,9 @@ Required properties: - reg : Offset and length of the register set for this device - interrupts : Interrupt tuple for this device + +Optional properties: + - clock-frequency : The oscillator frequency driving the flexcan device Example: -- 1.7.5.4