linux-kernel - Re: [PATCH 1/2] dt-bindings: trivial-devices: Add jedec,pmic50x0

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Message-ID: <13b492a0-db2e-4e44-b145-cf99f1975fd8@roeck-us.net>
Date: Tue, 27 Jan 2026 09:12:37 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Almog Ben Shaul <almogbs@...zon.com>
Cc: linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	itamark@...zon.com, talel@...zon.com, farbere@...zon.com,
	ayalstei@...zon.com, dwmw@...zon.com
Subject: Re: [PATCH 1/2] dt-bindings: trivial-devices: Add jedec,pmic50x0

On Wed, Jan 21, 2026 at 03:19:46PM +0000, Almog Ben Shaul wrote:
> Add devicetree binding for JEDEC PMIC50x0 compliant I2C DDR5 PMICs.
> https://www.jedec.org/standards-documents/docs/jesd301-1a03
> 
> Signed-off-by: Almog Ben Shaul <almogbs@...zon.com>
> ---
>  Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index d0f7dbf15d6f..fb16bd91c76c 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -171,6 +171,8 @@ properties:
>            - isil,isl76682
>              # JEDEC JESD300 (SPD5118) Hub and Serial Presence Detect
>            - jedec,spd5118
> +            # JEDEC PMIC50X0 DDR5 Power Management ICs
> +          - jedec,pmic50x0

This should probably refer to the standard (JEDEC JESD301). Also, I am not
sure if pmic50x0 is appropriate, since the standard refers to pmic5000 and
pmic5010, but does not cover pmic50[2-9]0.

Guenter

>              # Linear Technology LTC2488
>            - lineartechnology,ltc2488
>              # 5 Bit Programmable, Pulse-Width Modulator