diff mbox series

[v2,1/3] ARM: dts: aspeed: mtjade: Add some gpios

Message ID 20211019060155.945-2-quan@os.amperecomputing.com (mailing list archive)
State New, archived
Headers show
Series Update gpios, nvme i2c busses and uefi partition | expand

Commit Message

Quan Nguyen Oct. 19, 2021, 6:01 a.m. UTC
Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
authentication fail on each socket.

Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.

Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.

Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
---
v2:
  - None

 .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

Comments

Joel Stanley Oct. 19, 2021, 6:46 a.m. UTC | #1
On Tue, 19 Oct 2021 at 06:02, Quan Nguyen <quan@os.amperecomputing.com> wrote:
>
> Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
> authentication fail on each socket.

These use the gpio-keys API to expose the GPIOs. I think OpenBMC is
moving away from this abstraction, and instead reading the GPIOs with
the gpio chardev interface.

>
> Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.
>
> Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.

OpenBMC has started a process to document GPIOs that are exposed to
userspace, initially so a common userspace can be used across
machines. I like doing it for the additional reason that it provides
consistency in the naming.

https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md

If you could take a look at that document and add your GPIOs where
possible, and then update the device tree.

>
> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
> Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
> ---
> v2:
>   - None
>
>  .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
>  1 file changed, 20 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> index 57b0c45a2298..3515d55bd312 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> @@ -86,6 +86,18 @@ S0_cpu_fault {
>                         linux,code = <ASPEED_GPIO(J, 1)>;
>                 };
>
> +               S0_scp_auth_fail {
> +                       label = "S0_SCP_AUTH_FAIL";
> +                       gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
> +                       linux,code = <ASPEED_GPIO(J, 2)>;
> +               };
> +
> +               S1_scp_auth_fail {
> +                       label = "S1_SCP_AUTH_FAIL";
> +                       gpios = <&gpio ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
> +                       linux,code = <ASPEED_GPIO(Z, 5)>;
> +               };
> +
>                 S1_overtemp {
>                         label = "S1_OVERTEMP";
>                         gpios = <&gpio ASPEED_GPIO(Z, 6) GPIO_ACTIVE_LOW>;
> @@ -590,7 +602,7 @@ &gpio {
>         /*Q0-Q7*/       "","","","","","UID_BUTTON","","",
>         /*R0-R7*/       "","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
>                         "OCP_MAIN_PWREN","RESET_BUTTON","","",
> -       /*S0-S7*/       "","","","","","","","",
> +       /*S0-S7*/       "","","","","RTC_BAT_SEN_EN","","","",

I suggest you create a proposal to call this one
battery-voltage-read-enable. I know that some of the IBM machines
intend to have this same GPIO.

>         /*T0-T7*/       "","","","","","","","",
>         /*U0-U7*/       "","","","","","","","",
>         /*V0-V7*/       "","","","","","","","",
> @@ -604,4 +616,11 @@ &gpio {
>                         "S1_BMC_DDR_ADR","","","","",
>         /*AC0-AC7*/     "SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
>                         "BMC_OCP_PG";
> +
> +       i2c4_o_en {
> +               gpio-hog;
> +               gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
> +               output-high;
> +               line-name = "BMC_I2C4_O_EN";
> +       };
>  };
> --
> 2.28.0
>
Thang Nguyen Oct. 19, 2021, 10:37 a.m. UTC | #2
On 19/10/2021 13:46, Joel Stanley wrote:
> On Tue, 19 Oct 2021 at 06:02, Quan Nguyen <quan@os.amperecomputing.com> wrote:
>>
>> Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
>> authentication fail on each socket.
> 
> These use the gpio-keys API to expose the GPIOs. I think OpenBMC is
> moving away from this abstraction, and instead reading the GPIOs with
> the gpio chardev interface.
Can you give an example of the suggested change?
> 
>>
>> Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.
>>
>> Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.
> 
> OpenBMC has started a process to document GPIOs that are exposed to
> userspace, initially so a common userspace can be used across
> machines. I like doing it for the additional reason that it provides
> consistency in the naming.
[Thang] The BMC_I2C4_O_EN GPIO is used in kernel only which enabling 
access to all I2C devices in I2C4 bus, like FRU EEPROM. As it is used as 
gpio-hog, no userspace access is allowed/intended. It can't be 
configured in userspace as FRU EEPROM is probed only in kernel boot.
> 
> https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md
> 
> If you could take a look at that document and add your GPIOs where
> possible, and then update the device tree.
[Thang] I am aware of this GPIO naming convention document. But I think 
it is to define common name for special GPIOs that applications can use.

>>
>> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
>> Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
>> ---
>> v2:
>>    - None
>>
>>   .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
>>   1 file changed, 20 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> index 57b0c45a2298..3515d55bd312 100644
>> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> @@ -86,6 +86,18 @@ S0_cpu_fault {
>>                          linux,code = <ASPEED_GPIO(J, 1)>;
>>                  };
>>
>> +               S0_scp_auth_fail {
>> +                       label = "S0_SCP_AUTH_FAIL";
>> +                       gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
>> +                       linux,code = <ASPEED_GPIO(J, 2)>;
>> +               };
>> +
>> +               S1_scp_auth_fail {
>> +                       label = "S1_SCP_AUTH_FAIL";
>> +                       gpios = <&gpio ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
>> +                       linux,code = <ASPEED_GPIO(Z, 5)>;
>> +               };
>> +
>>                  S1_overtemp {
>>                          label = "S1_OVERTEMP";
>>                          gpios = <&gpio ASPEED_GPIO(Z, 6) GPIO_ACTIVE_LOW>;
>> @@ -590,7 +602,7 @@ &gpio {
>>          /*Q0-Q7*/       "","","","","","UID_BUTTON","","",
>>          /*R0-R7*/       "","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
>>                          "OCP_MAIN_PWREN","RESET_BUTTON","","",
>> -       /*S0-S7*/       "","","","","","","","",
>> +       /*S0-S7*/       "","","","","RTC_BAT_SEN_EN","","","",
> 
> I suggest you create a proposal to call this one
> battery-voltage-read-enable. I know that some of the IBM machines
> intend to have this same GPIO.
[Thang] is there any application to use this pin name?
> 
>>          /*T0-T7*/       "","","","","","","","",
>>          /*U0-U7*/       "","","","","","","","",
>>          /*V0-V7*/       "","","","","","","","",
>> @@ -604,4 +616,11 @@ &gpio {
>>                          "S1_BMC_DDR_ADR","","","","",
>>          /*AC0-AC7*/     "SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
>>                          "BMC_OCP_PG";
>> +
>> +       i2c4_o_en {
>> +               gpio-hog;
>> +               gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
>> +               output-high;
>> +               line-name = "BMC_I2C4_O_EN";
>> +       };
>>   };
>> --
>> 2.28.0
>>
Quan Nguyen Oct. 25, 2021, 4:44 a.m. UTC | #3
On 19/10/2021 13:46, Joel Stanley wrote:
> On Tue, 19 Oct 2021 at 06:02, Quan Nguyen <quan@os.amperecomputing.com> wrote:
>>
>> Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
>> authentication fail on each socket.
> 
> These use the gpio-keys API to expose the GPIOs. I think OpenBMC is
> moving away from this abstraction, and instead reading the GPIOs with
> the gpio chardev interface.
> 
Thanks Joel for the review,
Yes, will switch to use gpio chardev interface and will remove these 
gpio-keys defined in next version

>>
>> Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.
>>
>> Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.
> 
> OpenBMC has started a process to document GPIOs that are exposed to
> userspace, initially so a common userspace can be used across
> machines. I like doing it for the additional reason that it provides
> consistency in the naming.
> 
> https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md
> 
> If you could take a look at that document and add your GPIOs where
> possible, and then update the device tree.
> 

There is on-going discussion about naming of the RTC voltage sensing 
enable gpio pin in [1], So I'd like to address this change later in 
separate patch when this is settled. Hence, I will remove this changes 
in next version.

[1] https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/48018

About the BMC_I2C4_O_EN, this is needed as gpio-hog to make the i2c bus 
accessible at boot time so I will keep this in next version.
In fact, I'm still a bit of confuse if this pin needs a common name as 
it is just to enable the bus access and does not serve for any 
particular common purpose.

Thanks,
- Quan

>>
>> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
>> Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
>> ---
>> v2:
>>    - None
>>
>>   .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
>>   1 file changed, 20 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> index 57b0c45a2298..3515d55bd312 100644
>> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>> @@ -86,6 +86,18 @@ S0_cpu_fault {
>>                          linux,code = <ASPEED_GPIO(J, 1)>;
>>                  };
>>
>> +               S0_scp_auth_fail {
>> +                       label = "S0_SCP_AUTH_FAIL";
>> +                       gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
>> +                       linux,code = <ASPEED_GPIO(J, 2)>;
>> +               };
>> +
>> +               S1_scp_auth_fail {
>> +                       label = "S1_SCP_AUTH_FAIL";
>> +                       gpios = <&gpio ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
>> +                       linux,code = <ASPEED_GPIO(Z, 5)>;
>> +               };
>> +
>>                  S1_overtemp {
>>                          label = "S1_OVERTEMP";
>>                          gpios = <&gpio ASPEED_GPIO(Z, 6) GPIO_ACTIVE_LOW>;
>> @@ -590,7 +602,7 @@ &gpio {
>>          /*Q0-Q7*/       "","","","","","UID_BUTTON","","",
>>          /*R0-R7*/       "","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
>>                          "OCP_MAIN_PWREN","RESET_BUTTON","","",
>> -       /*S0-S7*/       "","","","","","","","",
>> +       /*S0-S7*/       "","","","","RTC_BAT_SEN_EN","","","",
> 
> I suggest you create a proposal to call this one
> battery-voltage-read-enable. I know that some of the IBM machines
> intend to have this same GPIO.
> 
>>          /*T0-T7*/       "","","","","","","","",
>>          /*U0-U7*/       "","","","","","","","",
>>          /*V0-V7*/       "","","","","","","","",
>> @@ -604,4 +616,11 @@ &gpio {
>>                          "S1_BMC_DDR_ADR","","","","",
>>          /*AC0-AC7*/     "SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
>>                          "BMC_OCP_PG";
>> +
>> +       i2c4_o_en {
>> +               gpio-hog;
>> +               gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
>> +               output-high;
>> +               line-name = "BMC_I2C4_O_EN";
>> +       };
>>   };
>> --
>> 2.28.0
>>
Quan Nguyen Nov. 1, 2021, 9:25 a.m. UTC | #4
Dear Joel,

I found this patch appears in linux-next tree as in [1], can we expect 
the remain two patches in this patchset ([2] and [3]) will be merged soon?

[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20211029&id=0b32c1b4071c482f2cf98b717cfc7380423ec619

[2] https://www.spinics.net/lists/kernel/msg4115571.html
[3] https://www.spinics.net/lists/kernel/msg4115572.html

Thanks,
- Quan

On 25/10/2021 11:44, Quan Nguyen wrote:
> On 19/10/2021 13:46, Joel Stanley wrote:
>> On Tue, 19 Oct 2021 at 06:02, Quan Nguyen 
>> <quan@os.amperecomputing.com> wrote:
>>>
>>> Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
>>> authentication fail on each socket.
>>
>> These use the gpio-keys API to expose the GPIOs. I think OpenBMC is
>> moving away from this abstraction, and instead reading the GPIOs with
>> the gpio chardev interface.
>>
> Thanks Joel for the review,
> Yes, will switch to use gpio chardev interface and will remove these 
> gpio-keys defined in next version
> 
>>>
>>> Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.
>>>
>>> Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.
>>
>> OpenBMC has started a process to document GPIOs that are exposed to
>> userspace, initially so a common userspace can be used across
>> machines. I like doing it for the additional reason that it provides
>> consistency in the naming.
>>
>> https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md 
>>
>>
>> If you could take a look at that document and add your GPIOs where
>> possible, and then update the device tree.
>>
> 
> There is on-going discussion about naming of the RTC voltage sensing 
> enable gpio pin in [1], So I'd like to address this change later in 
> separate patch when this is settled. Hence, I will remove this changes 
> in next version.
> 
> [1] https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/48018
> 
> About the BMC_I2C4_O_EN, this is needed as gpio-hog to make the i2c bus 
> accessible at boot time so I will keep this in next version.
> In fact, I'm still a bit of confuse if this pin needs a common name as 
> it is just to enable the bus access and does not serve for any 
> particular common purpose.
> 
> Thanks,
> - Quan
> 
>>>
>>> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
>>> Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
>>> ---
>>> v2:
>>>    - None
>>>
>>>   .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
>>>   1 file changed, 20 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts 
>>> b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>>> index 57b0c45a2298..3515d55bd312 100644
>>> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>>> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
>>> @@ -86,6 +86,18 @@ S0_cpu_fault {
>>>                          linux,code = <ASPEED_GPIO(J, 1)>;
>>>                  };
>>>
>>> +               S0_scp_auth_fail {
>>> +                       label = "S0_SCP_AUTH_FAIL";
>>> +                       gpios = <&gpio ASPEED_GPIO(J, 2) 
>>> GPIO_ACTIVE_LOW>;
>>> +                       linux,code = <ASPEED_GPIO(J, 2)>;
>>> +               };
>>> +
>>> +               S1_scp_auth_fail {
>>> +                       label = "S1_SCP_AUTH_FAIL";
>>> +                       gpios = <&gpio ASPEED_GPIO(Z, 5) 
>>> GPIO_ACTIVE_LOW>;
>>> +                       linux,code = <ASPEED_GPIO(Z, 5)>;
>>> +               };
>>> +
>>>                  S1_overtemp {
>>>                          label = "S1_OVERTEMP";
>>>                          gpios = <&gpio ASPEED_GPIO(Z, 6) 
>>> GPIO_ACTIVE_LOW>;
>>> @@ -590,7 +602,7 @@ &gpio {
>>>          /*Q0-Q7*/       "","","","","","UID_BUTTON","","",
>>>          /*R0-R7*/       "","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
>>>                          "OCP_MAIN_PWREN","RESET_BUTTON","","",
>>> -       /*S0-S7*/       "","","","","","","","",
>>> +       /*S0-S7*/       "","","","","RTC_BAT_SEN_EN","","","",
>>
>> I suggest you create a proposal to call this one
>> battery-voltage-read-enable. I know that some of the IBM machines
>> intend to have this same GPIO.
>>
>>>          /*T0-T7*/       "","","","","","","","",
>>>          /*U0-U7*/       "","","","","","","","",
>>>          /*V0-V7*/       "","","","","","","","",
>>> @@ -604,4 +616,11 @@ &gpio {
>>>                          "S1_BMC_DDR_ADR","","","","",
>>>          /*AC0-AC7*/     
>>> "SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
>>>                          "BMC_OCP_PG";
>>> +
>>> +       i2c4_o_en {
>>> +               gpio-hog;
>>> +               gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
>>> +               output-high;
>>> +               line-name = "BMC_I2C4_O_EN";
>>> +       };
>>>   };
>>> -- 
>>> 2.28.0
>>>
>
Joel Stanley Nov. 16, 2021, 5:24 a.m. UTC | #5
On Mon, 1 Nov 2021 at 09:32, Quan Nguyen <quan@os.amperecomputing.com> wrote:
>
> Dear Joel,
>
> I found this patch appears in linux-next tree as in [1], can we expect
> the remain two patches in this patchset ([2] and [3]) will be merged soon?

I am not sure why I merged the first patch but not the next two. I
think this was a mistake.

They are queued for merging in v5.17.

>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20211029&id=0b32c1b4071c482f2cf98b717cfc7380423ec619
>
> [2] https://www.spinics.net/lists/kernel/msg4115571.html
> [3] https://www.spinics.net/lists/kernel/msg4115572.html
>
> Thanks,
> - Quan
>
> On 25/10/2021 11:44, Quan Nguyen wrote:
> > On 19/10/2021 13:46, Joel Stanley wrote:
> >> On Tue, 19 Oct 2021 at 06:02, Quan Nguyen
> >> <quan@os.amperecomputing.com> wrote:
> >>>
> >>> Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
> >>> authentication fail on each socket.
> >>
> >> These use the gpio-keys API to expose the GPIOs. I think OpenBMC is
> >> moving away from this abstraction, and instead reading the GPIOs with
> >> the gpio chardev interface.
> >>
> > Thanks Joel for the review,
> > Yes, will switch to use gpio chardev interface and will remove these
> > gpio-keys defined in next version
> >
> >>>
> >>> Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.
> >>>
> >>> Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.
> >>
> >> OpenBMC has started a process to document GPIOs that are exposed to
> >> userspace, initially so a common userspace can be used across
> >> machines. I like doing it for the additional reason that it provides
> >> consistency in the naming.
> >>
> >> https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md
> >>
> >>
> >> If you could take a look at that document and add your GPIOs where
> >> possible, and then update the device tree.
> >>
> >
> > There is on-going discussion about naming of the RTC voltage sensing
> > enable gpio pin in [1], So I'd like to address this change later in
> > separate patch when this is settled. Hence, I will remove this changes
> > in next version.
> >
> > [1] https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/48018
> >
> > About the BMC_I2C4_O_EN, this is needed as gpio-hog to make the i2c bus
> > accessible at boot time so I will keep this in next version.
> > In fact, I'm still a bit of confuse if this pin needs a common name as
> > it is just to enable the bus access and does not serve for any
> > particular common purpose.
> >
> > Thanks,
> > - Quan
> >
> >>>
> >>> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
> >>> Signed-off-by: Thang Nguyen <thang@os.amperecomputing.com>
> >>> ---
> >>> v2:
> >>>    - None
> >>>
> >>>   .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
> >>>   1 file changed, 20 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> >>> b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> >>> index 57b0c45a2298..3515d55bd312 100644
> >>> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> >>> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
> >>> @@ -86,6 +86,18 @@ S0_cpu_fault {
> >>>                          linux,code = <ASPEED_GPIO(J, 1)>;
> >>>                  };
> >>>
> >>> +               S0_scp_auth_fail {
> >>> +                       label = "S0_SCP_AUTH_FAIL";
> >>> +                       gpios = <&gpio ASPEED_GPIO(J, 2)
> >>> GPIO_ACTIVE_LOW>;
> >>> +                       linux,code = <ASPEED_GPIO(J, 2)>;
> >>> +               };
> >>> +
> >>> +               S1_scp_auth_fail {
> >>> +                       label = "S1_SCP_AUTH_FAIL";
> >>> +                       gpios = <&gpio ASPEED_GPIO(Z, 5)
> >>> GPIO_ACTIVE_LOW>;
> >>> +                       linux,code = <ASPEED_GPIO(Z, 5)>;
> >>> +               };
> >>> +
> >>>                  S1_overtemp {
> >>>                          label = "S1_OVERTEMP";
> >>>                          gpios = <&gpio ASPEED_GPIO(Z, 6)
> >>> GPIO_ACTIVE_LOW>;
> >>> @@ -590,7 +602,7 @@ &gpio {
> >>>          /*Q0-Q7*/       "","","","","","UID_BUTTON","","",
> >>>          /*R0-R7*/       "","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
> >>>                          "OCP_MAIN_PWREN","RESET_BUTTON","","",
> >>> -       /*S0-S7*/       "","","","","","","","",
> >>> +       /*S0-S7*/       "","","","","RTC_BAT_SEN_EN","","","",
> >>
> >> I suggest you create a proposal to call this one
> >> battery-voltage-read-enable. I know that some of the IBM machines
> >> intend to have this same GPIO.
> >>
> >>>          /*T0-T7*/       "","","","","","","","",
> >>>          /*U0-U7*/       "","","","","","","","",
> >>>          /*V0-V7*/       "","","","","","","","",
> >>> @@ -604,4 +616,11 @@ &gpio {
> >>>                          "S1_BMC_DDR_ADR","","","","",
> >>>          /*AC0-AC7*/
> >>> "SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
> >>>                          "BMC_OCP_PG";
> >>> +
> >>> +       i2c4_o_en {
> >>> +               gpio-hog;
> >>> +               gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
> >>> +               output-high;
> >>> +               line-name = "BMC_I2C4_O_EN";
> >>> +       };
> >>>   };
> >>> --
> >>> 2.28.0
> >>>
> >
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
index 57b0c45a2298..3515d55bd312 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
@@ -86,6 +86,18 @@  S0_cpu_fault {
 			linux,code = <ASPEED_GPIO(J, 1)>;
 		};
 
+		S0_scp_auth_fail {
+			label = "S0_SCP_AUTH_FAIL";
+			gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
+			linux,code = <ASPEED_GPIO(J, 2)>;
+		};
+
+		S1_scp_auth_fail {
+			label = "S1_SCP_AUTH_FAIL";
+			gpios = <&gpio ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
+			linux,code = <ASPEED_GPIO(Z, 5)>;
+		};
+
 		S1_overtemp {
 			label = "S1_OVERTEMP";
 			gpios = <&gpio ASPEED_GPIO(Z, 6) GPIO_ACTIVE_LOW>;
@@ -590,7 +602,7 @@  &gpio {
 	/*Q0-Q7*/	"","","","","","UID_BUTTON","","",
 	/*R0-R7*/	"","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
 			"OCP_MAIN_PWREN","RESET_BUTTON","","",
-	/*S0-S7*/	"","","","","","","","",
+	/*S0-S7*/	"","","","","RTC_BAT_SEN_EN","","","",
 	/*T0-T7*/	"","","","","","","","",
 	/*U0-U7*/	"","","","","","","","",
 	/*V0-V7*/	"","","","","","","","",
@@ -604,4 +616,11 @@  &gpio {
 			"S1_BMC_DDR_ADR","","","","",
 	/*AC0-AC7*/	"SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
 			"BMC_OCP_PG";
+
+	i2c4_o_en {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "BMC_I2C4_O_EN";
+	};
 };