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[PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs

Ghennadi Procopciuc (OSS) posted 3 patches 1 year, 11 months ago
There is a newer version of this series
[PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Ghennadi Procopciuc (OSS) 1 year, 11 months ago 
From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>

Add the SCMI clock IDs for the uSDHC controller present on
S32G SoCs.

Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
---
 include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h

diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
new file mode 100644
index 000000000000..739f98a924c3
--- /dev/null
+++ b/include/dt-bindings/clock/s32g-scmi-clock.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * Copyright 2020-2024 NXP
+ */
+#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
+#define _DT_BINDINGS_SCMI_CLK_S32G_H
+
+/* uSDHC */
+#define S32G_SCMI_CLK_USDHC_AHB		31
+#define S32G_SCMI_CLK_USDHC_MODULE	32
+#define S32G_SCMI_CLK_USDHC_CORE	33
+#define S32G_SCMI_CLK_USDHC_MOD32K	34
+
+#endif
-- 
2.43.0
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Conor Dooley 1 year, 11 months ago 
On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
> From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> 
> Add the SCMI clock IDs for the uSDHC controller present on
> S32G SoCs.
> 
> Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> ---
>  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
> 
> diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
> new file mode 100644
> index 000000000000..739f98a924c3
> --- /dev/null
> +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
> @@ -0,0 +1,14 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
> +/*
> + * Copyright 2020-2024 NXP
> + */
> +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
> +#define _DT_BINDINGS_SCMI_CLK_S32G_H
> +
> +/* uSDHC */
> +#define S32G_SCMI_CLK_USDHC_AHB		31
> +#define S32G_SCMI_CLK_USDHC_MODULE	32
> +#define S32G_SCMI_CLK_USDHC_CORE	33
> +#define S32G_SCMI_CLK_USDHC_MOD32K	34

Why do these numbers not start at 0?
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Conor Dooley 1 year, 11 months ago 
On Fri, Jan 19, 2024 at 04:11:37PM +0000, Conor Dooley wrote:
> On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
> > From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> > 
> > Add the SCMI clock IDs for the uSDHC controller present on
> > S32G SoCs.
> > 
> > Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
> > Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> > ---
> >  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
> > 
> > diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
> > new file mode 100644
> > index 000000000000..739f98a924c3
> > --- /dev/null
> > +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
> > @@ -0,0 +1,14 @@
> > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
> > +/*
> > + * Copyright 2020-2024 NXP
> > + */
> > +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
> > +#define _DT_BINDINGS_SCMI_CLK_S32G_H
> > +
> > +/* uSDHC */
> > +#define S32G_SCMI_CLK_USDHC_AHB		31
> > +#define S32G_SCMI_CLK_USDHC_MODULE	32
> > +#define S32G_SCMI_CLK_USDHC_CORE	33
> > +#define S32G_SCMI_CLK_USDHC_MOD32K	34
> 
> Why do these numbers not start at 0?

Ah, because these are the SCMI IDs directly. If these are numbers that
are in the TRM, just use the numbers directly - there's no need to
create bindings for that.
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Ghennadi Procopciuc 1 year, 11 months ago 
On 1/19/24 18:14, Conor Dooley wrote:
> On Fri, Jan 19, 2024 at 04:11:37PM +0000, Conor Dooley wrote:
>> On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
>>> From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>>
>>> Add the SCMI clock IDs for the uSDHC controller present on
>>> S32G SoCs.
>>>
>>> Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
>>> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>> ---
>>>  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
>>>  1 file changed, 14 insertions(+)
>>>  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
>>>
>>> diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
>>> new file mode 100644
>>> index 000000000000..739f98a924c3
>>> --- /dev/null
>>> +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
>>> @@ -0,0 +1,14 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
>>> +/*
>>> + * Copyright 2020-2024 NXP
>>> + */
>>> +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
>>> +#define _DT_BINDINGS_SCMI_CLK_S32G_H
>>> +
>>> +/* uSDHC */
>>> +#define S32G_SCMI_CLK_USDHC_AHB		31
>>> +#define S32G_SCMI_CLK_USDHC_MODULE	32
>>> +#define S32G_SCMI_CLK_USDHC_CORE	33
>>> +#define S32G_SCMI_CLK_USDHC_MOD32K	34
>>
>> Why do these numbers not start at 0?
> 
> Ah, because these are the SCMI IDs directly. If these are numbers that
> are in the TRM, just use the numbers directly - there's no need to
> create bindings for that.
> 

Hi Conor,

I appreciate you taking the time to review the proposed changes. I
wanted to clarify that the IDs mentioned in the header are SCMI IDs
exported by the TF-A and are utilized by the second patch of this
series. These IDs are for the uSDHC controller to control its clocks. As
other SoCs use this model, I have included all the necessary IDs in a
dedicated header file:
- rk3588s     (arch/arm64/boot/dts/rockchip/rk3588s.dtsi:97 [0])
- stm32mp157c (arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts:73 [1])
- stm32mp131  (arch/arm/boot/dts/st/stm32mp131.dtsi:1372 [2])

Should I remove the header and use raw numbers in the uSDHC node? For
example:
> +		usdhc0: mmc@402f0000 {
> +			compatible = "nxp,s32g2-usdhc";
> +			reg = <0x402f0000 0x1000>;
> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clks 32>,
> +				 <&clks 31>,
> +				 <&clks 33>;
> +			clock-names = "ipg", "ahb", "per";
> +			bus-width = <8>;
> +			status = "disabled";
> +		};

[0]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/rockchip/rk3588s.dtsi#n97
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts#n73
[2]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp131.dtsi#n1372

-- 
Regards,
Ghennadi
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Conor Dooley 1 year, 11 months ago 
On Fri, Jan 19, 2024 at 11:25:57PM +0200, Ghennadi Procopciuc wrote:
> On 1/19/24 18:14, Conor Dooley wrote:
> > On Fri, Jan 19, 2024 at 04:11:37PM +0000, Conor Dooley wrote:
> >> On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
> >>> From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> >>>
> >>> Add the SCMI clock IDs for the uSDHC controller present on
> >>> S32G SoCs.
> >>>
> >>> Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
> >>> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
> >>> ---
> >>>  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
> >>>  1 file changed, 14 insertions(+)
> >>>  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
> >>>
> >>> diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
> >>> new file mode 100644
> >>> index 000000000000..739f98a924c3
> >>> --- /dev/null
> >>> +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
> >>> @@ -0,0 +1,14 @@
> >>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
> >>> +/*
> >>> + * Copyright 2020-2024 NXP
> >>> + */
> >>> +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
> >>> +#define _DT_BINDINGS_SCMI_CLK_S32G_H
> >>> +
> >>> +/* uSDHC */
> >>> +#define S32G_SCMI_CLK_USDHC_AHB		31
> >>> +#define S32G_SCMI_CLK_USDHC_MODULE	32
> >>> +#define S32G_SCMI_CLK_USDHC_CORE	33
> >>> +#define S32G_SCMI_CLK_USDHC_MOD32K	34
> >>
> >> Why do these numbers not start at 0?
> > 
> > Ah, because these are the SCMI IDs directly. If these are numbers that
> > are in the TRM, just use the numbers directly - there's no need to
> > create bindings for that.
> > 
> 
> Hi Conor,
> 
> I appreciate you taking the time to review the proposed changes. I
> wanted to clarify that the IDs mentioned in the header are SCMI IDs
> exported by the TF-A and are utilized by the second patch of this
> series. These IDs are for the uSDHC controller to control its clocks. As
> other SoCs use this model, I have included all the necessary IDs in a
> dedicated header file:
> - rk3588s     (arch/arm64/boot/dts/rockchip/rk3588s.dtsi:97 [0])
> - stm32mp157c (arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts:73 [1])
> - stm32mp131  (arch/arm/boot/dts/st/stm32mp131.dtsi:1372 [2])
> 
> Should I remove the header and use raw numbers in the uSDHC node?

IMO, yes. There's no abstraction/binding being created here if they're
the SCMI IDs.

Thanks,
conor.

> For
> example:
> > +		usdhc0: mmc@402f0000 {
> > +			compatible = "nxp,s32g2-usdhc";
> > +			reg = <0x402f0000 0x1000>;
> > +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> > +			clocks = <&clks 32>,
> > +				 <&clks 31>,
> > +				 <&clks 33>;
> > +			clock-names = "ipg", "ahb", "per";
> > +			bus-width = <8>;
> > +			status = "disabled";
> > +		};
> 
> [0]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/rockchip/rk3588s.dtsi#n97
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts#n73
> [2]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp131.dtsi#n1372
> 
> -- 
> Regards,
> Ghennadi
>
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Ghennadi Procopciuc 1 year, 11 months ago 
On 1/21/24 15:32, Conor Dooley wrote:
> On Fri, Jan 19, 2024 at 11:25:57PM +0200, Ghennadi Procopciuc wrote:
>> On 1/19/24 18:14, Conor Dooley wrote:
>>> On Fri, Jan 19, 2024 at 04:11:37PM +0000, Conor Dooley wrote:
>>>> On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
>>>>> From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>>>>
>>>>> Add the SCMI clock IDs for the uSDHC controller present on
>>>>> S32G SoCs.
>>>>>
>>>>> Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
>>>>> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>>>> ---
>>>>>  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
>>>>>  1 file changed, 14 insertions(+)
>>>>>  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
>>>>>
>>>>> diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
>>>>> new file mode 100644
>>>>> index 000000000000..739f98a924c3
>>>>> --- /dev/null
>>>>> +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
>>>>> @@ -0,0 +1,14 @@
>>>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
>>>>> +/*
>>>>> + * Copyright 2020-2024 NXP
>>>>> + */
>>>>> +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
>>>>> +#define _DT_BINDINGS_SCMI_CLK_S32G_H
>>>>> +
>>>>> +/* uSDHC */
>>>>> +#define S32G_SCMI_CLK_USDHC_AHB		31
>>>>> +#define S32G_SCMI_CLK_USDHC_MODULE	32
>>>>> +#define S32G_SCMI_CLK_USDHC_CORE	33
>>>>> +#define S32G_SCMI_CLK_USDHC_MOD32K	34
>>>>
>>>> Why do these numbers not start at 0?
>>>
>>> Ah, because these are the SCMI IDs directly. If these are numbers that
>>> are in the TRM, just use the numbers directly - there's no need to
>>> create bindings for that.
>>>
>>
>> Hi Conor,
>>
>> I appreciate you taking the time to review the proposed changes. I
>> wanted to clarify that the IDs mentioned in the header are SCMI IDs
>> exported by the TF-A and are utilized by the second patch of this
>> series. These IDs are for the uSDHC controller to control its clocks. As
>> other SoCs use this model, I have included all the necessary IDs in a
>> dedicated header file:
>> - rk3588s     (arch/arm64/boot/dts/rockchip/rk3588s.dtsi:97 [0])
>> - stm32mp157c (arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts:73 [1])
>> - stm32mp131  (arch/arm/boot/dts/st/stm32mp131.dtsi:1372 [2])
>>
>> Should I remove the header and use raw numbers in the uSDHC node?
> 
> IMO, yes. There's no abstraction/binding being created here if they're
> the SCMI IDs.
> 
> Thanks,
> conor.

Thank you for letting me know. I will make sure to include this change
in the second version of the patchset.

>> For
>> example:
>>> +		usdhc0: mmc@402f0000 {
>>> +			compatible = "nxp,s32g2-usdhc";
>>> +			reg = <0x402f0000 0x1000>;
>>> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
>>> +			clocks = <&clks 32>,
>>> +				 <&clks 31>,
>>> +				 <&clks 33>;
>>> +			clock-names = "ipg", "ahb", "per";
>>> +			bus-width = <8>;
>>> +			status = "disabled";
>>> +		};
>>
>> [0]
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/rockchip/rk3588s.dtsi#n97
>> [1]
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts#n73
>> [2]
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp131.dtsi#n1372
>>
>> -- 
>> Regards,
>> Ghennadi
>>

-- 
Regards,
Ghennadi
Re: [PATCH 1/3] dt-bindings: clock: s32g: add uSDHC clock IDs
Posted by Ghennadi Procopciuc 1 year, 10 months ago 
On 1/22/24 12:09, Ghennadi Procopciuc wrote:
> On 1/21/24 15:32, Conor Dooley wrote:
>> On Fri, Jan 19, 2024 at 11:25:57PM +0200, Ghennadi Procopciuc wrote:
>>> On 1/19/24 18:14, Conor Dooley wrote:
>>>> On Fri, Jan 19, 2024 at 04:11:37PM +0000, Conor Dooley wrote:
>>>>> On Fri, Jan 19, 2024 at 03:02:28PM +0200, Ghennadi Procopciuc (OSS) wrote:
>>>>>> From: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>>>>>
>>>>>> Add the SCMI clock IDs for the uSDHC controller present on
>>>>>> S32G SoCs.
>>>>>>
>>>>>> Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
>>>>>> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
>>>>>> ---
>>>>>>  include/dt-bindings/clock/s32g-scmi-clock.h | 14 ++++++++++++++
>>>>>>  1 file changed, 14 insertions(+)
>>>>>>  create mode 100644 include/dt-bindings/clock/s32g-scmi-clock.h
>>>>>>
>>>>>> diff --git a/include/dt-bindings/clock/s32g-scmi-clock.h b/include/dt-bindings/clock/s32g-scmi-clock.h
>>>>>> new file mode 100644
>>>>>> index 000000000000..739f98a924c3
>>>>>> --- /dev/null
>>>>>> +++ b/include/dt-bindings/clock/s32g-scmi-clock.h
>>>>>> @@ -0,0 +1,14 @@
>>>>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
>>>>>> +/*
>>>>>> + * Copyright 2020-2024 NXP
>>>>>> + */
>>>>>> +#ifndef _DT_BINDINGS_SCMI_CLK_S32G_H
>>>>>> +#define _DT_BINDINGS_SCMI_CLK_S32G_H
>>>>>> +
>>>>>> +/* uSDHC */
>>>>>> +#define S32G_SCMI_CLK_USDHC_AHB		31
>>>>>> +#define S32G_SCMI_CLK_USDHC_MODULE	32
>>>>>> +#define S32G_SCMI_CLK_USDHC_CORE	33
>>>>>> +#define S32G_SCMI_CLK_USDHC_MOD32K	34
>>>>>
>>>>> Why do these numbers not start at 0?
>>>>
>>>> Ah, because these are the SCMI IDs directly. If these are numbers that
>>>> are in the TRM, just use the numbers directly - there's no need to
>>>> create bindings for that.
>>>>
>>>
>>> Hi Conor,
>>>
>>> I appreciate you taking the time to review the proposed changes. I
>>> wanted to clarify that the IDs mentioned in the header are SCMI IDs
>>> exported by the TF-A and are utilized by the second patch of this
>>> series. These IDs are for the uSDHC controller to control its clocks. As
>>> other SoCs use this model, I have included all the necessary IDs in a
>>> dedicated header file:
>>> - rk3588s     (arch/arm64/boot/dts/rockchip/rk3588s.dtsi:97 [0])
>>> - stm32mp157c (arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts:73 [1])
>>> - stm32mp131  (arch/arm/boot/dts/st/stm32mp131.dtsi:1372 [2])
>>>
>>> Should I remove the header and use raw numbers in the uSDHC node?
>>
>> IMO, yes. There's no abstraction/binding being created here if they're
>> the SCMI IDs.


I included the suggestion in the second version of this patchset.

>> Thanks,
>> conor.
> 
> Thank you for letting me know. I will make sure to include this change
> in the second version of the patchset.
> 
>>> For
>>> example:
>>>> +		usdhc0: mmc@402f0000 {
>>>> +			compatible = "nxp,s32g2-usdhc";
>>>> +			reg = <0x402f0000 0x1000>;
>>>> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
>>>> +			clocks = <&clks 32>,
>>>> +				 <&clks 31>,
>>>> +				 <&clks 33>;
>>>> +			clock-names = "ipg", "ahb", "per";
>>>> +			bus-width = <8>;
>>>> +			status = "disabled";
>>>> +		};
>>>
>>> [0]
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/rockchip/rk3588s.dtsi#n97
>>> [1]
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp157c-ed1-scmi.dts#n73
>>> [2]
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/st/stm32mp131.dtsi#n1372
>>>
>>> -- 
>>> Regards,
>>> Ghennadi

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