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

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

On 01/03/2023 07:17, Joel Stanley wrote:
> On Tue, 28 Feb 2023 at 10:28, Chanh Nguyen <chanh@os.amperecomputing.com> wrote:
>>
>> 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,
>> 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.
>>
>> Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
> 
> LGTM. I'll apply it once we have a -rc1.
> 
> Reviewed-by: Joel Stanley <joel@jms.id.au>
> 

Thank Joel very much!

>> ---
>> 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 {
>> --
>> 2.17.1
>>