Re: [PATCH 4/4] gpio: max732x: Add DT binding documentation
On Tue, Jan 13, 2015 at 2:41 PM, Semen Protsenko wrote: > Add a devicetree binding documentation for the max732x driver. > > Signed-off-by: Semen Protsenko Vanilla bindings, OK. Patch applied. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 4/4] gpio: max732x: Add DT binding documentation
On Tue, Jan 13, 2015 at 2:41 PM, Semen Protsenko semen.protse...@globallogic.com wrote: Add a devicetree binding documentation for the max732x driver. Signed-off-by: Semen Protsenko semen.protse...@globallogic.com Vanilla bindings, OK. Patch applied. Yours, Linus Walleij -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 4/4] gpio: max732x: Add DT binding documentation
Add a devicetree binding documentation for the max732x driver. Signed-off-by: Semen Protsenko --- .../devicetree/bindings/gpio/gpio-max732x.txt | 59 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max732x.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-max732x.txt b/Documentation/devicetree/bindings/gpio/gpio-max732x.txt new file mode 100644 index 000..5fdc843 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-max732x.txt @@ -0,0 +1,59 @@ +* MAX732x-compatible I/O expanders + +Required properties: + - compatible: Should be one of the following: +- "maxim,max7319": For the Maxim MAX7319 +- "maxim,max7320": For the Maxim MAX7320 +- "maxim,max7321": For the Maxim MAX7321 +- "maxim,max7322": For the Maxim MAX7322 +- "maxim,max7323": For the Maxim MAX7323 +- "maxim,max7324": For the Maxim MAX7324 +- "maxim,max7325": For the Maxim MAX7325 +- "maxim,max7326": For the Maxim MAX7326 +- "maxim,max7327": For the Maxim MAX7327 + - reg: I2C slave address for this device. + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. +- first cell is the GPIO number +- second cell specifies GPIO flags, as defined in . + Only the GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. + +Optional properties: + + The I/O expander can detect input state changes, and thus optionally act as + an interrupt controller. When the expander interrupt line is connected all the + following properties must be set. For more information please see the + interrupt controller device tree bindings documentation available at + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt. + + - interrupt-controller: Identifies the node as an interrupt controller. + - #interrupt-cells: Number of cells to encode an interrupt source, shall be 2. +- first cell is the pin number +- second cell is used to specify flags + - interrupt-parent: phandle of the parent interrupt controller. + - interrupts: Interrupt specifier for the controllers interrupt. + +Please refer to gpio.txt in this directory for details of the common GPIO +bindings used by client devices. + +Example 1. MAX7325 with interrupt support enabled (CONFIG_GPIO_MAX732X_IRQ=y): + + expander: max7325@6d { + compatible = "maxim,max7325"; + reg = <0x6d>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <>; + interrupts = <29 IRQ_TYPE_EDGE_FALLING>; + }; + +Example 2. MAX7325 with interrupt support disabled (CONFIG_GPIO_MAX732X_IRQ=n): + + expander: max7325@6d { + compatible = "maxim,max7325"; + reg = <0x6d>; + gpio-controller; + #gpio-cells = <2>; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 4/4] gpio: max732x: Add DT binding documentation
Add a devicetree binding documentation for the max732x driver. Signed-off-by: Semen Protsenko semen.protse...@globallogic.com --- .../devicetree/bindings/gpio/gpio-max732x.txt | 59 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max732x.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-max732x.txt b/Documentation/devicetree/bindings/gpio/gpio-max732x.txt new file mode 100644 index 000..5fdc843 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-max732x.txt @@ -0,0 +1,59 @@ +* MAX732x-compatible I/O expanders + +Required properties: + - compatible: Should be one of the following: +- maxim,max7319: For the Maxim MAX7319 +- maxim,max7320: For the Maxim MAX7320 +- maxim,max7321: For the Maxim MAX7321 +- maxim,max7322: For the Maxim MAX7322 +- maxim,max7323: For the Maxim MAX7323 +- maxim,max7324: For the Maxim MAX7324 +- maxim,max7325: For the Maxim MAX7325 +- maxim,max7326: For the Maxim MAX7326 +- maxim,max7327: For the Maxim MAX7327 + - reg: I2C slave address for this device. + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. +- first cell is the GPIO number +- 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. + +Optional properties: + + The I/O expander can detect input state changes, and thus optionally act as + an interrupt controller. When the expander interrupt line is connected all the + following properties must be set. For more information please see the + interrupt controller device tree bindings documentation available at + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt. + + - interrupt-controller: Identifies the node as an interrupt controller. + - #interrupt-cells: Number of cells to encode an interrupt source, shall be 2. +- first cell is the pin number +- second cell is used to specify flags + - interrupt-parent: phandle of the parent interrupt controller. + - interrupts: Interrupt specifier for the controllers interrupt. + +Please refer to gpio.txt in this directory for details of the common GPIO +bindings used by client devices. + +Example 1. MAX7325 with interrupt support enabled (CONFIG_GPIO_MAX732X_IRQ=y): + + expander: max7325@6d { + compatible = maxim,max7325; + reg = 0x6d; + gpio-controller; + #gpio-cells = 2; + interrupt-controller; + #interrupt-cells = 2; + interrupt-parent = gpio4; + interrupts = 29 IRQ_TYPE_EDGE_FALLING; + }; + +Example 2. MAX7325 with interrupt support disabled (CONFIG_GPIO_MAX732X_IRQ=n): + + expander: max7325@6d { + compatible = maxim,max7325; + reg = 0x6d; + gpio-controller; + #gpio-cells = 2; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/