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Date: Sun, 2 Apr 2017 22:42:32 +0200 From: Paul Cercueil <paul@...pouillou.net> To: Linus Walleij <linus.walleij@...aro.org>, Alexandre Courbot <gnurou@...il.com>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Ralf Baechle <ralf@...ux-mips.org> Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>, Thierry Reding <thierry.reding@...il.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Maarten ter Huurne <maarten@...ewalker.org>, Lars-Peter Clausen <lars@...afoo.de>, Paul Burton <paul.burton@...tec.com>, james.hogan@...tec.com, linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org, linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org, linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org, Paul Cercueil <paul@...pouillou.net> Subject: [PATCH v4 02/14] dt/bindings: Document gpio-ingenic This commit adds documentation for the devicetree bindings of the gpio-ingenic driver, which handles GPIOs of the Ingenic SoCs currently supported by the Linux kernel. Signed-off-by: Paul Cercueil <paul@...pouillou.net> --- .../devicetree/bindings/gpio/ingenic,gpio.txt | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/ingenic,gpio.txt v2: New patch v3: No changes v4: Update for the v4 version of the gpio-ingenic driver diff --git a/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt b/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt new file mode 100644 index 000000000000..f54af444f7c3 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt @@ -0,0 +1,48 @@ +Ingenic jz47xx GPIO controller + +That the Ingenic GPIO driver node must be a sub-node of the Ingenic pinctrl +driver node. + +Required properties: +-------------------- + + - compatible: Must contain one of: + - "ingenic,jz4740-gpio" + - "ingenic,jz4770-gpio" + - "ingenic,jz4780-gpio" + And one of: + - "ingenic,gpio-bank-a" + - "ingenic,gpio-bank-b" + - "ingenic,gpio-bank-c" + - "ingenic,gpio-bank-d" + - "ingenic,gpio-bank-e" (for SoC version > jz4740) + - "ingenic,gpio-bank-f" (for SoC version > jz4740) + - interrupt-controller: Marks the device node as an interrupt controller. + - interrupts: Interrupt specifier for the controllers interrupt. + - #interrupt-cells: Should be 2. Refer to + ../interrupt-controller/interrupts.txt for more details. + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. The first cell is the GPIO number and the second + cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. Only the + GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. + - gpio-ranges: Range of pins managed by the GPIO controller. Refer to + 'gpio.txt' in this directory for more details. + +Example: +-------- + +&pinctrl { + gpa: gpio-controller@0 { + compatible = "ingenic,gpio-bank-a", "ingenic,jz4740-gpio"; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <28>; + }; +}; -- 2.11.0
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