[PATCH v2] ARM: dts: aspeed: mtmitchell: Enable NCSI

[Chanh Nguyen <chanh@amperemail.onmicrosoft.com>]

On 01/03/2023 14:51, Paul Menzel wrote:
> Dear Chanh,
> 
> 
> Thank you for the patch.
> 
> Am 28.02.23 um 11:28 schrieb Chanh Nguyen:
>> Support the mac3 (RGMII4) as an NC-SI stack instead of an MDIO PHY.
>>
>> The OCP slot #0 and OCP slot #1 use a common the BMC_NCSI signal,
> 
> *the* seems a leftover.

Thank Paul,
I'll remove it.

> 
>> so we use only one of them at the same time. The OCP slot #0 will
>> be enabled by PCA9539's setting by default.
>>
>> Also, enable the OCP Auxiliary Power during booting.
> 
> Is there a reason not to make this a separate commit?
> 
> 
> Kind regards,
> 
> Paul
> 

I wouldn't like to separate it.

This is "Enable NCSI" commit, so I would like to support all configs, 
that make NCSI feature works.

Thanks,
Chanh
> 
>> Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
>> ---
>> Changes in v2:
>> ??? - Change PCA9539APW node name.???????????????????? [Krzysztof]
>> ---
>> ? .../boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 37 ++++++++++++++++++-
>> ? 1 file changed, 36 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts 
>> b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
>> index 4b91600eaf62..1e0e88465254 100644
>> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
>> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
>> @@ -251,6 +251,14 @@
>> ????? pinctrl-0 = <&pinctrl_rgmii1_default>;
>> ? };
>> +&mac3 {
>> +??? status = "okay";
>> +??? pinctrl-names = "default";
>> +??? pinctrl-0 = <&pinctrl_rmii4_default>;
>> +??? clock-names = "MACCLK", "RCLK";
>> +??? use-ncsi;
>> +};
>> +
>> ? &fmc {
>> ????? status = "okay";
>> ????? flash at 0 {
>> @@ -439,6 +447,26 @@
>> ????? status = "okay";
>> ? };
>> +&i2c8 {
>> +??? status = "okay";
>> +
>> +??? gpio at 77 {
>> +??????? compatible = "nxp,pca9539";
>> +??????? reg = <0x77>;
>> +??????? gpio-controller;
>> +??????? #address-cells = <1>;
>> +??????? #size-cells = <0>;
>> +??????? #gpio-cells = <2>;
>> +
>> +??????? bmc-ocp0-en-hog {
>> +??????????? gpio-hog;
>> +??????????? gpios = <7 GPIO_ACTIVE_LOW>;
>> +??????????? output-high;
>> +??????????? line-name = "bmc-ocp0-en-n";
>> +??????? };
>> +??? };
>> +};
>> +
>> ? &i2c9 {
>> ????? status = "okay";
>> ? };
>> @@ -530,13 +558,20 @@
>> ????? /*V0-V7*/    
>> "s0-hightemp-n","s0-fault-alert","s0-sys-auth-failure-n",
>> ????????????? "host0-reboot-ack-n","host0-ready","host0-shd-req-n",
>> ????????????? "host0-shd-ack-n","s0-overtemp-n",
>> -??? /*W0-W7*/??? "ocp-aux-pwren","ocp-main-pwren","ocp-pgood","",
>> +??? /*W0-W7*/??? "","ocp-main-pwren","ocp-pgood","",
>> ????????????? "bmc-ok","bmc-ready","spi0-program-sel","spi0-backup-sel",
>> ????? /*X0-X7*/??? "i2c-backup-sel","s1-fault-alert","s1-fw-boot-ok",
>>               
>> "s1-hightemp-n","s0-spi-auth-fail-n","s1-sys-auth-failure-n",
>> ????????????? "s1-overtemp-n","s1-spi-auth-fail-n",
>> ????? /*Y0-Y7*/??? "","","","","","","","host0-special-boot",
>> ????? /*Z0-Z7*/??? "reset-button","ps0-pgood","ps1-pgood","","","","","";
>> +
>> +??? ocp-aux-pwren-hog {
>> +??????? gpio-hog;
>> +??????? gpios = <ASPEED_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
>> +??????? output-high;
>> +??????? line-name = "ocp-aux-pwren";
>> +??? };
>> ? };
>> ? &gpio1 {