On 3 March 2017 at 14:21, Rob Herring <robh@xxxxxxxxxx> wrote:
> On Thu, Mar 02, 2017 at 02:22:09PM +0800, Chunyan Zhang wrote:
>> SC9860 use the same serial device, 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@xxxxxxxxxxxxxx>
>> ---
>> Documentation/devicetree/bindings/serial/sprd-uart.txt | 15 ++++++++++++++-
>> 1 file changed, 14 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> index 2aff0f2..8bd8144 100644
>> --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> @@ -1,7 +1,20 @@
>> * Spreadtrum serial UART
>>
>> Required properties:
>> -- compatible: must be "sprd,sc9836-uart"
>> +- compatible must contain:
>> + * "sprd,sc9836-uart" for SC9836 and all Spreadtrum SoCs
>> + This also can be specific with:
>> + * "sprd,sc9860-uart" for SC9860
>
> Just say:
>
> - 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@70000000 {
>> + compatible = "sprd,sc9860-uart",
>> + "sprd,sc9836-uart";
>> + reg = <0x000000 0x100>;
>
> unit address doesn't match the reg property.
OK, I will revise dts file accordingly.
Thanks,
Chunyan
>
>> + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&ext_26m>;
>> + };
>> --
>> 2.7.4
>>
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