On 06/27/2017 11:57 PM, Joel Stanley wrote:
> On Tue, Jun 27, 2017 at 5:03 AM, Eddie James <eajames at linux.vnet.ibm.com> wrote:
>> From: "Edward A. James" <eajames at us.ibm.com>
>>
>> FSI I2C master algorithm probes port devices based on dts.
> Do you need all 28 ports enabled?
I think so. All of those are valid I2C busses on P9. I'm not sure who
uses them all.
Thanks,
Eddie
>
>> Signed-off-by: Edward A. James <eajames at us.ibm.com>
>> ---
>> arch/arm/boot/dts/ibm-power9-cfam.dtsi | 134 +++++++++++++++++++++++++++++++++
>> 1 file changed, 134 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/ibm-power9-cfam.dtsi b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
>> index f29c6e3..a0b5c97 100644
>> --- a/arch/arm/boot/dts/ibm-power9-cfam.dtsi
>> +++ b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
>> @@ -4,6 +4,73 @@
>> #address-cells = <1>;
>> #size-cells = <1>;
>>
>> + i2cm at 1800 {
>> + compatible = "ibm,fsi-i2c-master";
>> + reg = <0x1800 0x400>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port at 0 {
>> + port = <0>;
>> + };
>> +
>> + port at 1 {
>> + port = <1>;
>> + };
>> +
>> + port at 2 {
>> + port = <2>;
>> + };
>> +
>> + port at 3 {
>> + port = <3>;
>> + };
>> +
>> + port at 4 {
>> + port = <4>;
>> + };
>> +
>> + port at 5 {
>> + port = <5>;
>> + };
>> +
>> + port at 6 {
>> + port = <6>;
>> + };
>> +
>> + port at 7 {
>> + port = <7>;
>> + };
>> +
>> + port at 8 {
>> + port = <8>;
>> + };
>> +
>> + port at 9 {
>> + port = <9>;
>> + };
>> +
>> + port at 10 {
>> + port = <10>;
>> + };
>> +
>> + port at 11 {
>> + port = <11>;
>> + };
>> +
>> + port at 12 {
>> + port = <12>;
>> + };
>> +
>> + port at 13 {
>> + port = <13>;
>> + };
>> +
>> + port at 14 {
>> + port = <14>;
>> + };
>> + };
>> +
>> sbefifo at 2400 {
>> compatible = "ibm,p9-sbefifo";
>> reg = <0x2400 0x400>;
>> @@ -31,6 +98,73 @@
>> #address-cells = <1>;
>> #size-cells = <1>;
>>
>> + i2cm at 1800 {
>> + compatible = "ibm,fsi-i2c-master";
>> + reg = <0x1800 0x400>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port at 0 {
>> + port = <0>;
>> + };
>> +
>> + port at 1 {
>> + port = <1>;
>> + };
>> +
>> + port at 2 {
>> + port = <2>;
>> + };
>> +
>> + port at 3 {
>> + port = <3>;
>> + };
>> +
>> + port at 4 {
>> + port = <4>;
>> + };
>> +
>> + port at 5 {
>> + port = <5>;
>> + };
>> +
>> + port at 6 {
>> + port = <6>;
>> + };
>> +
>> + port at 7 {
>> + port = <7>;
>> + };
>> +
>> + port at 8 {
>> + port = <8>;
>> + };
>> +
>> + port at 9 {
>> + port = <9>;
>> + };
>> +
>> + port at 10 {
>> + port = <10>;
>> + };
>> +
>> + port at 11 {
>> + port = <11>;
>> + };
>> +
>> + port at 12 {
>> + port = <12>;
>> + };
>> +
>> + port at 13 {
>> + port = <13>;
>> + };
>> +
>> + port at 14 {
>> + port = <14>;
>> + };
>> + };
>> +
>> sbefifo at 2400 {
>> compatible = "ibm,p9-sbefifo";
>> reg = <0x2400 0x400>;
>> --
>> 1.8.3.1
>>