linux-kernel - Re: [PATCH 2/2] power: supply: Add bd718(15/28/78) charger driver

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Message-ID: <53198209-ff95-407d-89e9-11cc34b04b4e@gmail.com>
Date: Mon, 18 Aug 2025 13:09:12 +0300
From: Matti Vaittinen <mazziesaccount@...il.com>
To: Andreas Kemnade <andreas@...nade.info>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, Lee Jones <lee@...nel.org>,
 Sebastian Reichel <sre@...nel.org>, linux-kernel@...r.kernel.org,
 linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/2] power: supply: Add bd718(15/28/78) charger driver

On 18/08/2025 11:36, Andreas Kemnade wrote:
> Hi Matti,
> 
> Am Mon, 18 Aug 2025 09:34:02 +0300
> schrieb Matti Vaittinen <mazziesaccount@...il.com>:
> 
>> On 17/08/2025 11:13, Krzysztof Kozlowski wrote:
>>> On 17/08/2025 10:11, Andreas Kemnade wrote:
>>>> Am Sun, 17 Aug 2025 07:58:35 +0200
>>>> schrieb Krzysztof Kozlowski <krzk@...nel.org>:
>>>>   
>>>>> On 16/08/2025 21:19, Andreas Kemnade wrote:

> Newest rebase I have is for 6.15. Yes, capacity calculation is hard.

Just a thing to note. I've drafted some support for another variant, on 
top of the v6.6. Just pushed the latest version of that to:

https://github.com/M-Vaittinen/linux/tree/bd72720-on-6.6-rohmpower

It may have something useful for you (or then it doesn't). Following 
could perhaps be checked:

8c00ee888283 ("regulator: bd71828: Use platform device id")
0ba48e3a48d4 ("mfd: bd71828: Add IPRE register")
f6caf815fc2f ("power: supply: bd71828: Support setting trickle charge 
current")
56197c1819e5 ("dt-bindings: Add trickle-charge upper limit")
af7500d7f278 ("mfd: bd71828: Definition for fast charge term current 
register")
98401932fb75 ("mfd: bd71815: Add EXTMOS_EN mask")
e508c94159d8 ("mfd: bd71828: Add charge profile control masks")

e751bf502e29 ("power: supply: bd71828: Support setting charging profiles")
AND
b84792488191 ("power: supply: bd71827-power: Fix pre- and trickle charge 
currents")

2f952952cecd ("power: supply: bd71827-charger: Fix print")


These hopefully are already done:
c4fe777755ef ("power: supply: bd71828: Fix Rsense resistor value")
34d9261706b2 ("dt-bindings: mfd: bd71828: Fix sense resistor values")


Rest may be just noise related to this new IC.

Yours,
	-- Matti