Hi Rob,
On 2016/1/9 23:42, Rob Herring wrote:
> On Fri, Jan 08, 2016 at 09:26:45AM +0800, Jiancheng Xue wrote:
>> add hisilicon spi-nor flash controller driver
>>
>> Signed-off-by: Binquan Peng <pengbinquan@xxxxxxxxxx>
>> Signed-off-by: Jiancheng Xue <xuejiancheng@xxxxxxxxxx>
>> ---
>
> Next time, please include changes in v2 here.
>
OK. I will remember it. Thank you.
In v2, I mainly fixed some compile warnings.
>> .../devicetree/bindings/spi/spi-hisi-sfc.txt | 24 +
>> drivers/mtd/spi-nor/Kconfig | 6 +
>> drivers/mtd/spi-nor/Makefile | 1 +
>> drivers/mtd/spi-nor/hisi-sfc.c | 498 +++++++++++++++++++++
>> 4 files changed, 529 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/spi/spi-hisi-sfc.txt
>> create mode 100644 drivers/mtd/spi-nor/hisi-sfc.c
>>
>> diff --git a/Documentation/devicetree/bindings/spi/spi-hisi-sfc.txt b/Documentation/devicetree/bindings/spi/spi-hisi-sfc.txt
>> new file mode 100644
>> index 0000000..a0d1e04
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/spi/spi-hisi-sfc.txt
>> @@ -0,0 +1,24 @@
>> +HiSilicon SPI-NOR Flash Controller
>> +
>> +Required properties:
>> +- compatible : Should be "hisilicon,hisi-sfc".
>
> I missed this last time, but you also need a more specific compatible
> string with the SOC name in it.
>
This IP block is used in many SOCs. Do I need to add a specific compatible
string for every SOC? Thank you.
>> +- address-cells : number of cells required to define a chip select
>> + address on the SPI bus. Should be set to 1. See spi-bus.txt.
>> +- size-cells : Should be 0.
>> +- reg : Offset and length of the register set for the controller device.
>> +- reg-names : Must include the following two entries: "control", "memory".
>> +- clocks : handle to spi-nor flash controller clock.
>> +
>> +Example:
>> +spi-nor-controller@10000000 {
>> + compatible = "hisilicon,hisi-sfc";
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0x10000000 0x1000>, <0x14000000 0x1000000>;
>> + reg-names = "control", "memory";
>> + clocks = <&clock HI3519_FMC_CLK>;
>> + spi-nor@0 {
>> + compatible = "jedec,spi-nor";
>> + reg = <0>;
>> + };
>> +};
>
> .
>
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