linux-kernel - Re: [PATCH v3 3/3] arm64: dts: ti: k3-pinctrl: Add the remaining macros

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Message-ID: <61954361-6aad-4761-967e-629cd288e33d@ti.com>
Date: Thu, 4 Sep 2025 17:01:43 +0530
From: Akashdeep Kaur <a-kaur@...com>
To: Sebin Francis <sebin.francis@...com>, <praneeth@...com>, <nm@...com>,
        <afd@...com>, <vigneshr@...com>, <d-gole@...com>, <kristo@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <vishalm@...com>
Subject: Re: [PATCH v3 3/3] arm64: dts: ti: k3-pinctrl: Add the remaining
 macros

Hi Sebin,

On 04/09/25 11:32, Sebin Francis wrote:
> Hi Akash,
> 
> On 02/09/25 12:49, Akashdeep Kaur wrote:
>> Add the drive stregth, schmitt trigger enable macros to pinctrl file.
>> Add the missing macros for DeepSleep configuration control referenced
>> from "Table 14-6172. Description Of The Pad Configuration Register Bits"
>> in AM625 TRM[0].
>> Add some DeepSleep macros to provide combinations that can be used
>> directly in device tree files example PIN_DS_OUTPUT_LOW that
>> configures pin to be output and also sets its value to 0.
>>
>> [0] https://www.ti.com/lit/ug/spruiv7b/spruiv7b.pdf
>>
>> Signed-off-by: Akashdeep Kaur <a-kaur@...com>
...

>> +#define WKUP_ON_EDGE            (0 << WKUP_LVL_EN_SHIFT)
>> +#define WKUP_LEVEL_LOW          (0 << WKUP_LVL_POL_SHIFT)
>> +#define WKUP_LEVEL_HIGH         (1 << WKUP_LVL_POL_SHIFT)
>> +
>> +#define WKUP_DISABLE            (0 << WKUP_EN_SHIFT)
> 
> This can be moved below WKUP_ENABLE macro to be consistent
Moved. Thanks
> 
>> +
>>   /* Only these macros are expected be used directly in device tree 
>> files */
>>   #define PIN_OUTPUT        (INPUT_DISABLE | PULL_DISABLE)
>>   #define PIN_OUTPUT_PULLUP    (INPUT_DISABLE | PULL_UP)
...
> ...
>> +#define DS_STATE_VAL                    (1 << DS_EN_SHIFT)
>> +#define ACTIVE_STATE_VAL                (0 << DS_EN_SHIFT)
> 
> These can be moved to the top before PIN_* and can be renamed to 
> DS_STATE_EN and DS_STATE_DIS
Moved and renamed.>> +
>> +#define PIN_DS_OUTPUT_LOW               (DS_STATE_VAL | 
>> DS_INPUT_DISABLE | DS_OUT_VALUE_ZERO)
...
>> +#define PIN_WKUP_EN_LEVEL_HIGH          (WKUP_ENABLE | WKUP_ON_LEVEL 
>> | WKUP_LEVEL_HIGH)
>> +#define PIN_WKUP_EN                     WKUP_EN_EDGE
> 
> As EDGE wake is used commonly we can use the PIN_WKUP_EN_EDGE in this case
That's a good idea. Changed.
> 
>>   /* Default mux configuration for gpio-ranges to use with pinctrl */
>>   #define PIN_GPIO_RANGE_IOPAD    (PIN_INPUT | 7)
> 
> Thanks
> Sebin

Regards,
Akashdeep Kaur