69 lines
2.2 KiB
Plaintext
69 lines
2.2 KiB
Plaintext
|
* NXP SC16IS7xx advanced Universal Asynchronous Receiver-Transmitter (UART)
|
||
|
|
* i2c as bus
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible: Should be one of the following:
|
||
|
|
- "nxp,sc16is740" for NXP SC16IS740,
|
||
|
|
- "nxp,sc16is741" for NXP SC16IS741,
|
||
|
|
- "nxp,sc16is750" for NXP SC16IS750,
|
||
|
|
- "nxp,sc16is752" for NXP SC16IS752,
|
||
|
|
- "nxp,sc16is760" for NXP SC16IS760,
|
||
|
|
- "nxp,sc16is762" for NXP SC16IS762.
|
||
|
|
- reg: I2C address of the SC16IS7xx device.
|
||
|
|
- interrupts: Should contain the UART interrupt
|
||
|
|
- clocks: Reference to the IC source clock.
|
||
|
|
OR (when there is no clock provider visible to the platform)
|
||
|
|
- clock-frequency: The source clock frequency for the IC.
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- gpio-controller: Marks the device node as a GPIO controller.
|
||
|
|
- #gpio-cells: Should be two. The first cell is the GPIO number and
|
||
|
|
the second cell is used to specify the GPIO polarity:
|
||
|
|
0 = active high,
|
||
|
|
1 = active low.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
sc16is750: sc16is750@51 {
|
||
|
|
compatible = "nxp,sc16is750";
|
||
|
|
reg = <0x51>;
|
||
|
|
clocks = <&clk20m>;
|
||
|
|
interrupt-parent = <&gpio3>;
|
||
|
|
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
|
||
|
|
gpio-controller;
|
||
|
|
#gpio-cells = <2>;
|
||
|
|
};
|
||
|
|
|
||
|
|
* spi as bus
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible: Should be one of the following:
|
||
|
|
- "nxp,sc16is740" for NXP SC16IS740,
|
||
|
|
- "nxp,sc16is741" for NXP SC16IS741,
|
||
|
|
- "nxp,sc16is750" for NXP SC16IS750,
|
||
|
|
- "nxp,sc16is752" for NXP SC16IS752,
|
||
|
|
- "nxp,sc16is760" for NXP SC16IS760,
|
||
|
|
- "nxp,sc16is762" for NXP SC16IS762.
|
||
|
|
- reg: SPI chip select number.
|
||
|
|
- interrupts: Specifies the interrupt source of the parent interrupt
|
||
|
|
controller. The format of the interrupt specifier depends on the
|
||
|
|
parent interrupt controller.
|
||
|
|
- clocks: phandle to the IC source clock.
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- gpio-controller: Marks the device node as a GPIO controller.
|
||
|
|
- #gpio-cells: Should be two. The first cell is the GPIO number and
|
||
|
|
the second cell is used to specify the GPIO polarity:
|
||
|
|
0 = active high,
|
||
|
|
1 = active low.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
sc16is750: sc16is750@0 {
|
||
|
|
compatible = "nxp,sc16is750";
|
||
|
|
reg = <0>;
|
||
|
|
clocks = <&clk20m>;
|
||
|
|
interrupt-parent = <&gpio3>;
|
||
|
|
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
|
||
|
|
gpio-controller;
|
||
|
|
#gpio-cells = <2>;
|
||
|
|
};
|