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[2003:c6:ebf6:4900:24d8:d7e8:4461:d553]) by smtp.googlemail.com with ESMTPSA id w136sm1893362wmd.13.2017.05.12.12.14.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 May 2017 12:14:41 -0700 (PDT) From: Heiner Kallweit Subject: [PATCH v2 3/6] pintrl: meson: add DT node for GPIO IRQ on Meson GX To: Jerome Brunet , Mark Rutland , Marc Zyngier , Linus Walleij , Kevin Hilman , Thomas Gleixner Cc: devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-gpio@vger.kernel.org, "thierry.reding@gmail.com" , Thierry Reding References: <36164ed8-aa59-2a77-b7fc-9adce03a2fc1@gmail.com> Message-ID: Date: Fri, 12 May 2017 21:13:44 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <36164ed8-aa59-2a77-b7fc-9adce03a2fc1@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add the DT node for GPIO IRQ support on AMlogic Meson GX. Signed-off-by: Heiner Kallweit --- v2: - remove syscon --- .../bindings/gpio/amlogic,meson-gpio-interrupt.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt diff --git a/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt new file mode 100644 index 00000000..ba7d3015 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt @@ -0,0 +1,30 @@ +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. We don't expose all 256 mux inputs because the +documentation shows that upper part is not mapped to any pad. The actual number +of interrupt exposed depends on the SoC. + +Required properties: + +- compatible : should be "amlogic,meson-gpio-interrupt". +- reg : Specifies base physical address and size of the registers. +- interrupts : list of GIC interrupts which can be used with the + GPIO IRQ multiplexer + +Example: + +gpio_irq@9880 { + compatible = "amlogic,meson-gpio-interrupt"; + reg = <0x0 0x09880 0x0 0x10>; + interrupts = , + , + , + , + , + , + , + ; + };