linux-kernel - Re: [PATCH v4 2/2] leds: qcom-lpg: Add PM660L configuration and compatible

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Date: Sun, 4 Feb 2024 18:29:43 +0100
From: Marijn Suijten <marijn.suijten@...ainline.org>
To: Johan Hovold <johan@...nel.org>
Cc: Lee Jones <lee@...nel.org>, phone-devel@...r.kernel.org, 
	Pavel Machek <pavel@....cz>, Bjorn Andersson <bjorn.andersson@...aro.org>, 
	~postmarketos/upstreaming@...ts.sr.ht, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>, Konrad Dybcio <konrad.dybcio@...ainline.org>, 
	Martin Botka <martin.botka@...ainline.org>, Jami Kettunen <jami.kettunen@...ainline.org>, 
	linux-arm-msm@...r.kernel.org, linux-leds@...r.kernel.org, Rob Herring <robh@...nel.org>, 
	Bhupesh Sharma <bhupesh.sharma@...aro.org>, Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Stephen Boyd <swboyd@...omium.org>, Satya Priya <quic_c_skakit@...cinc.com>
Subject: Re: [PATCH v4 2/2] leds: qcom-lpg: Add PM660L configuration and
 compatible

On 2023-12-19 10:17:21, Marijn Suijten wrote:
> Hi Johan and Lee,
> 
> On 2023-12-19 09:22:43, Johan Hovold wrote:
> > Hi Marijn and Lee,
> > 
> > On Tue, Jul 19, 2022 at 11:18:48PM +0200, Marijn Suijten wrote:
> > > Inherit PM660L PMIC LPG/triled block configuration from downstream
> > > drivers and DT sources, consisting of a triled block with automatic
> > > trickle charge control and source selection, three colored led channels
> > > belonging to the synchronized triled block and one loose PWM channel.
> > > 
> > > Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> > > Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > > ---
> > > 
> > > Changes since v3:
> > > - Rebased on -next;
> > > - (series) dropped DTS patches that have been applied through the
> > >   Qualcomm DTS tree, leaving only leds changes (driver and
> > >   accompanying dt-bindings).
> > 
> > > diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
> > > index 02f51cc61837..102ab0c33887 100644
> > > --- a/drivers/leds/rgb/leds-qcom-lpg.c
> > > +++ b/drivers/leds/rgb/leds-qcom-lpg.c
> > > @@ -1304,6 +1304,23 @@ static int lpg_remove(struct platform_device *pdev)
> > >  	return 0;
> > >  }
> > >  
> > > +static const struct lpg_data pm660l_lpg_data = {
> > > +	.lut_base = 0xb000,
> > > +	.lut_size = 49,
> > > +
> > > +	.triled_base = 0xd000,
> > > +	.triled_has_atc_ctl = true,
> > > +	.triled_has_src_sel = true,
> > > +
> > > +	.num_channels = 4,
> > > +	.channels = (const struct lpg_channel_data[]) {
> > > +		{ .base = 0xb100, .triled_mask = BIT(5) },
> > > +		{ .base = 0xb200, .triled_mask = BIT(6) },
> > > +		{ .base = 0xb300, .triled_mask = BIT(7) },
> > > +		{ .base = 0xb400 },
> > > +	},
> > > +};
> > > +
> > >  static const struct lpg_data pm8916_pwm_data = {
> > >  	.num_channels = 1,
> > >  	.channels = (const struct lpg_channel_data[]) {
> > > @@ -1424,6 +1441,7 @@ static const struct lpg_data pm8350c_pwm_data = {
> > >  };
> > >  
> > >  static const struct of_device_id lpg_of_table[] = {
> > > +	{ .compatible = "qcom,pm660l-lpg", .data = &pm660l_lpg_data },
> > >  	{ .compatible = "qcom,pm8150b-lpg", .data = &pm8150b_lpg_data },
> > >  	{ .compatible = "qcom,pm8150l-lpg", .data = &pm8150l_lpg_data },
> > >  	{ .compatible = "qcom,pm8350c-pwm", .data = &pm8350c_pwm_data },
> > 
> > When reviewing the Qualcomm SPMI PMIC bindings I noticed that this patch
> > was never picked up by the LEDs maintainer, while the binding and dtsi
> > changes made it in:
> > 
> > 	https://lore.kernel.org/r/20220719211848.1653920-2-marijn.suijten@somainline.org
> > 
> > Looks like it may still apply cleanly, but otherwise, would you mind
> > rebasing and resending so that Lee can pick this one up?
> > 
> > Johan
> 
> Coincidentally I haven't touched this device/platform for months... until last
> weekend where I noticed the same.  It does not apply cleanly and I had to solve
> some conflicts:
> 
> https://github.com/SoMainline/linux/commit/8ec5d02eaffcec24fcab6a989ab117a5b72b96b6
> 
> I'll gladly resend this!

Apologies for taking more time than necessary.  According to b4 the patch should
become available at:

https://lore.kernel.org/r/20240204-pm660l-lpg-v5-1-2f54d1a0894b@somainline.org

> Note that I have one more unmerged leds patch around, that hasn't been looked
> at either.  Would it help to send this once again, perhaps with more reviewers/
> testing (Johan, would you mind taking a look too)?
> 
> https://lore.kernel.org/linux-leds/20220719213034.1664056-1-marijn.suijten@somainline.org/

I'll continue looking into clarifying this patch before resending it.

- Marijn