From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Stanley Subject: [PATCH 1/2] dt-bindings: fsi: Add optional property no-scan-on-init Date: Tue, 30 Jan 2018 16:21:15 +1030 Message-ID: <20180130055116.17411-2-joel@jms.id.au> References: <20180130055116.17411-1-joel@jms.id.au> Return-path: In-Reply-To: <20180130055116.17411-1-joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring , Mark Rutland , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Christopher Bostic , Jeremy Kerr , Eddie James , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org From: Christopher Bostic Add an optional FSI master property 'no-scan-on-init. This can be specified to indicate that a master should not be automatically scanned at init time. This is required in cases where a scan could interfere with another FSI master on the same bus. Signed-off-by: Christopher Bostic Acked-by: Jeremy Kerr Signed-off-by: Joel Stanley --- Documentation/devicetree/bindings/fsi/fsi.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/fsi/fsi.txt b/Documentation/devicetree/bindings/fsi/fsi.txt index 4eaf488d4015..ab516c673a4b 100644 --- a/Documentation/devicetree/bindings/fsi/fsi.txt +++ b/Documentation/devicetree/bindings/fsi/fsi.txt @@ -56,6 +56,13 @@ addresses (link index and slave ID), and no size: #address-cells = <2>; #size-cells = <0>; +An optional boolean property can be added to indicate that a particular master +should not scan for connected devices at initialization time. This is +necessary in cases where a scan could cause arbitration issues with other +masters that may be present on the bus. + + no-scan-on-init; + FSI slaves ---------- -- 2.15.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html