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dt-bindings: serial: add a new compatible string for SC9860

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SC9860 use the same serial device which SC9836 uses, so added a new
compatible string to support SC9860 as well, also added an example
of how to describe this serial device in DT.

Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunyan Zhang 2017-03-27 14:06:41 +08:00 committed by Greg Kroah-Hartman
parent 32680c53f7
commit 26b82caae4
1 changed files with 13 additions and 1 deletions
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14
Documentation/devicetree/bindings/serial/sprd-uart.txt
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@ -1,7 +1,19 @@
* Spreadtrum serial UART
Required properties:
- compatible: must be "sprd,sc9836-uart"
- compatible: must be one of:
* "sprd,sc9836-uart"
* "sprd,sc9860-uart", "sprd,sc9836-uart"
- reg: offset and length of the register set for the device
- interrupts: exactly one interrupt specifier
- clocks: phandles to input clocks.
Example:
uart0: serial@0 {
compatible = "sprd,sc9860-uart",
"sprd,sc9836-uart";
reg = <0x0 0x100>;
interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ext_26m>;
};