Sorry, it was Ralink MT7628.
I boot via device tree yes and the dts is configured to use AT86RF212B
with chip select 1 :
palmbus@10000000 {
spi@b00 {
status = "okay";
m25p80@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "en25q64";
reg = <0 0>;
...
};
at86rf212@0 {
compatible = "atmel,at86rf212";
reg = <1>;
interrupts = <15 4>;
interrupt-parent = <&intc>;
reset-gpio = <&gpio0 16 1>;
sleep-gpio = <&gpio0 17 1>;
spi-max-frequency = <1000000>;
};
};
};
This didn't work so I had a look a the spi driver spi-mt7621.c and I
saw that the driver wasn't implemented FOR two chip selects. This is
why I change the function "static void mt7621_spi_set_cs();" (last
message)
Does it make sense?
2015-05-31 14:34 GMT+02:00 Alexander Aring <alex.aring@xxxxxxxxx>:
> On Fri, May 29, 2015 at 11:28:48AM +0200, Baptiste Clenet wrote:
>> Hi,
>>
>> I'm working on the board Ralink MT7228 with an Atmel AT86RF212B by SPI.
>> I've configured the transceiver to be on cs1. I plugged cs from the
>> transceiver to pin 6 of MT7228.
>> I've edited spi-mt7621.c to allow two slave on SPI master as follow:
>>
>
> sorry, I have no idea what you mean and did there. To make the
> chipselect right I suppose this part of spi subsystem, you don't need
> (if you don't doing hacks) to touch anything at driver layer. What you
> need is to tell the spi subsystem the right configuration so the spi
> controller can do the right thing.
>
> I also tried to google "Ralink MT7228" without luck.
>
> Do you boot via device tree or the old way?
>
> - Alex
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