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From: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
To: Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>
CC: Andy Tang <andy.tang@nxp.com>, Shawn Guo <shawnguo@kernel.org>,
        Alexander Stein <alexander.stein@systec-electronic.com>,
        Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH v2 2/2] dt/bindings: Add bindings for Layerscape external irqs
Date: Wed, 20 Dec 2017 09:30:30 +0100
Message-ID: <1513758631-19909-2-git-send-email-rasmus.villemoes@prevas.dk>
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 <1513758631-19909-1-git-send-email-rasmus.villemoes@prevas.dk>
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Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
---
 .../interrupt-controller/fsl,ls-extirq.txt         | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
new file mode 100644
index 000000000000..7e4680866364
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
@@ -0,0 +1,37 @@
+* Freescale Layerscape external IRQs
+
+Some Layerscape SOCs (LS1021A, LS1043A, LS1046A) support inverting
+the polarity of certain external interrupt lines.
+
+Required properties:
+- compatible: should be "fsl,<soc-name>-extirq", e.g. "fsl,ls1021a-extirq".
+- interrupt-controller: Identifies the node as an interrupt controller
+- #interrupt-cells: Use the same format as specified by GIC in arm,gic.txt.
+- interrupt-parent: phandle of GIC.
+- syscon: phandle of Supplemental Configuration Unit (scfg) and offset
+  to the INTPCR register.
+- interrupts: Specifies the mapping to interrupt numbers in the parent
+  interrupt controller. Interrupts are mapped one-to-one to parent
+  interrupts.
+
+Optional properties:
+- bit-reverse: This boolean property should be set on the LS1021A if
+  the SCFGREVCR register has been set to all-ones (which is usually
+  the case), meaning that all reads and writes of SCFG registers are
+  implicitly bit-reversed. Other compatible platforms do not have such
+  a register.
+
+Example:
+	extirq: extirq {
+		compatible = "fsl,ls1021a-extirq";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		interrupt-parent = <&gic>;
+		syscon = <&scfg 0x1ac>;
+		interrupts = <163 164 165 167 168 169>;
+		bit-reverse;
+	};
+
+
+	interrupts-extended = <&gic GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+			      <&extirq GIC_SPI 1 IRQ_TYPE_LEVEL_LOW>;
-- 
2.7.4

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rasmus Villemoes <rasmus.villemoes-rjjw5hvvQKZaa/9Udqfwiw@public.gmane.org>
Subject: [PATCH v2 2/2] dt/bindings: Add bindings for Layerscape external irqs
Date: Wed, 20 Dec 2017 09:30:30 +0100
Message-ID: <1513758631-19909-2-git-send-email-rasmus.villemoes@prevas.dk>
References: <1512743580-15358-1-git-send-email-rasmus.villemoes@prevas.dk>
 <1513758631-19909-1-git-send-email-rasmus.villemoes@prevas.dk>
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To: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>, Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>, Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: Andy Tang <andy.tang-3arQi8VN3Tc@public.gmane.org>, Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Alexander Stein <alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>, Rasmus Villemoes <rasmus.villemoes-rjjw5hvvQKZaa/9Udqfwiw@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: devicetree@vger.kernel.org

Signed-off-by: Rasmus Villemoes <rasmus.villemoes-rjjw5hvvQKZaa/9Udqfwiw@public.gmane.org>
---
 .../interrupt-controller/fsl,ls-extirq.txt         | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
new file mode 100644
index 000000000000..7e4680866364
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
@@ -0,0 +1,37 @@
+* Freescale Layerscape external IRQs
+
+Some Layerscape SOCs (LS1021A, LS1043A, LS1046A) support inverting
+the polarity of certain external interrupt lines.
+
+Required properties:
+- compatible: should be "fsl,<soc-name>-extirq", e.g. "fsl,ls1021a-extirq".
+- interrupt-controller: Identifies the node as an interrupt controller
+- #interrupt-cells: Use the same format as specified by GIC in arm,gic.txt.
+- interrupt-parent: phandle of GIC.
+- syscon: phandle of Supplemental Configuration Unit (scfg) and offset
+  to the INTPCR register.
+- interrupts: Specifies the mapping to interrupt numbers in the parent
+  interrupt controller. Interrupts are mapped one-to-one to parent
+  interrupts.
+
+Optional properties:
+- bit-reverse: This boolean property should be set on the LS1021A if
+  the SCFGREVCR register has been set to all-ones (which is usually
+  the case), meaning that all reads and writes of SCFG registers are
+  implicitly bit-reversed. Other compatible platforms do not have such
+  a register.
+
+Example:
+	extirq: extirq {
+		compatible = "fsl,ls1021a-extirq";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		interrupt-parent = <&gic>;
+		syscon = <&scfg 0x1ac>;
+		interrupts = <163 164 165 167 168 169>;
+		bit-reverse;
+	};
+
+
+	interrupts-extended = <&gic GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+			      <&extirq GIC_SPI 1 IRQ_TYPE_LEVEL_LOW>;
-- 
2.7.4

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