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[2003:c6:ebdd:1100:88ec:a768:3ada:81a6]) by smtp.googlemail.com with ESMTPSA id j1sm36871592wmf.6.2017.05.30.13.27.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 May 2017 13:27:26 -0700 (PDT) From: Heiner Kallweit Subject: [PATCH v5 3/9] dt-bindings: add Amlogic Meson GPIO interrupt-controller DT binding documentation To: Jerome Brunet , Mark Rutland , Marc Zyngier , Linus Walleij , Kevin Hilman , Thomas Gleixner , Rob Herring , Neil Armstrong Cc: devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-gpio@vger.kernel.org, "thierry.reding@gmail.com" , Thierry Reding References: <66c57893-0a9e-4f8c-a017-ab346abbdfd0@gmail.com> Message-ID: Date: Tue, 30 May 2017 22:26:33 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <66c57893-0a9e-4f8c-a017-ab346abbdfd0@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add dt binding documentation for Amlogic meson GPIO interrupt controller. Signed-off-by: Heiner Kallweit Reviewed-by: Neil Armstrong --- v5: - added Reviewed-by --- .../amlogic,meson-gpio-intc.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt new file mode 100644 index 00000000..2f20d212 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt @@ -0,0 +1,26 @@ +Amlogic meson GPIO interrupt controller + +Meson SoCs contains an interrupt controller which is able watch the SoC pads +and generate an interrupt on edges or level. The controller is essentially a +256 pads to 8 GIC interrupt multiplexer, with a filter block to select edge +or level and polarity. The actual number of interrupt exposed depends on the +SoC. + +Required properties: + +- compatible : should be "amlogic,meson-gpio-intc". +- reg : Specifies base physical address and size of the registers. +- interrupt-controller : Identifies the node as an interrupt controller. +- #interrupt-cells : should be 2. +- parent-interrupts : list of GIC interrupts which can be used with the + GPIO IRQ multiplexer + +Example: + +gpio_intc: interrupt-controller@9880 { + compatible = "amlogic,meson-gpio-intc"; + reg = <0x0 0x09880 0x0 0x10>; + interrupt-controller; + #interrupt-cells = <2>; + parent-interrupts = <64 65 66 67 68 69 70 71>; +};