From mboxrd@z Thu Jan 1 00:00:00 1970 From: linus.walleij@linaro.org (Linus Walleij) Date: Tue, 27 Oct 2015 17:03:29 +0100 Subject: [PATCH 1/3] DT binding: gpio-zynq: Document interrupt-controller In-Reply-To: <1445617532-10228-1-git-send-email-soren.brinkmann@xilinx.com> References: <1445617532-10228-1-git-send-email-soren.brinkmann@xilinx.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Oct 23, 2015 at 6:25 PM, Soren Brinkmann wrote: > HW and driver support the GPIO as interrupt-controller. Document that in > the DT binding. > > Signed-off-by: Soren Brinkmann Patch subject augmented and applied. > +- interrupt-controller : Marks the device node as an interrupt controller. > +- #interrupt-cells : Should be 2. The first cell is the GPIO number. > + The second cell bits[3:0] is used to specify trigger type and level flags: > + 1 = low-to-high edge triggered. > + 2 = high-to-low edge triggered. > + 4 = active high level-sensitive. > + 8 = active low level-sensitive. If these can be or:ed together, e.g 3 = both edges, that needs to be documented. If they can't the current patch is fine I guess. Yours, Linus Walleij