From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sricharan R Subject: [PATCH V3 3/7] ARM: DTS: DRA: Add crossbar device binding Date: Tue, 5 Nov 2013 18:44:13 +0530 Message-ID: <1383657257-3458-4-git-send-email-r.sricharan@ti.com> References: <1383657257-3458-1-git-send-email-r.sricharan@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1383657257-3458-1-git-send-email-r.sricharan@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linus.walleij@linaro.org, linux@arm.linux.org.uk, tony@atomide.com, rnayak@ti.com, marc.zyngier@arm.com, grant.likely@linaro.org, mark.rutland@arm.com, robherring2@gmail.com, tglx@linutronix.de, santosh.shilimkar@ti.com, galak@codeaurora.org, r.sricharan@ti.com Cc: Benoit Cousson List-Id: devicetree@vger.kernel.org This adds the irq crossbar device node. There is a IRQ crossbar device in the soc, which maps the irq requests from the peripherals to the mpu interrupt controller's inputs. The Peripheral irq requests are connected to only one crossbar input and the output of the crossbar is connected to only one controller's input line. The crossbar device is used to map a peripheral input to a free mpu's interrupt controller line. Cc: Benoit Cousson Cc: Santosh Shilimkar Cc: Rajendra Nayak Cc: Tony Lindgren Signed-off-by: Sricharan R --- arch/arm/boot/dts/dra7.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index d0df4c4..cf0d6ca 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -583,4 +583,12 @@ status = "disabled"; }; }; + + crossbar_mpu: crossbar@4a020000 { + compatible = "ti,irq-crossbar"; + reg = <0x4a002a48 0x130>; + ti,max-irqs = <160>; + ti,reg-size = <2>; + ti,irqs-reserved = <0 1 2 3 5 6 131 132 139 140>; + }; }; -- 1.7.9.5