mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 14:21:47 +00:00
66da627e0c
This patch adds documentation for the Altera A10-SR Reset Controller DT bindings. Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
* Altera Arria10 Development Kit System Resource Chip
|
|
|
|
Required parent device properties:
|
|
- compatible : "altr,a10sr"
|
|
- spi-max-frequency : Maximum SPI frequency.
|
|
- reg : The SPI Chip Select address for the Arria10
|
|
System Resource chip
|
|
- interrupt-parent : The parent interrupt controller.
|
|
- interrupts : The interrupt line the device is connected to.
|
|
- interrupt-controller : Marks the device node as an interrupt controller.
|
|
- #interrupt-cells : The number of cells to describe an IRQ, should be 2.
|
|
The first cell is the IRQ number.
|
|
The second cell is the flags, encoded as trigger
|
|
masks from ../interrupt-controller/interrupts.txt.
|
|
|
|
The A10SR consists of these sub-devices:
|
|
|
|
Device Description
|
|
------ ----------
|
|
a10sr_gpio GPIO Controller
|
|
a10sr_rst Reset Controller
|
|
|
|
Arria10 GPIO
|
|
Required Properties:
|
|
- compatible : Should be "altr,a10sr-gpio"
|
|
- gpio-controller : Marks the device node as a GPIO Controller.
|
|
- #gpio-cells : Should be two. The first cell is the pin number and
|
|
the second cell is used to specify flags.
|
|
See ../gpio/gpio.txt for more information.
|
|
|
|
Arria10 Peripheral PHY Reset
|
|
Required Properties:
|
|
- compatible : Should be "altr,a10sr-reset"
|
|
- #reset-cells : Should be one.
|
|
|
|
Example:
|
|
|
|
resource-manager@0 {
|
|
compatible = "altr,a10sr";
|
|
reg = <0>;
|
|
spi-max-frequency = <100000>;
|
|
interrupt-parent = <&portb>;
|
|
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
|
|
interrupt-controller;
|
|
#interrupt-cells = <2>;
|
|
|
|
a10sr_gpio: gpio-controller {
|
|
compatible = "altr,a10sr-gpio";
|
|
gpio-controller;
|
|
#gpio-cells = <2>;
|
|
};
|
|
|
|
a10sr_rst: reset-controller {
|
|
compatible = "altr,a10sr-reset";
|
|
#reset-cells = <1>;
|
|
};
|
|
};
|