linux-kernel - Re: [PATCH 2/4] leds: qcom-lpg: Add PM660L configuration and compatible

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Message-ID: <YnszX1wdQhUSkgyH@builder.lan>
Date:   Tue, 10 May 2022 22:54:07 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>
Cc:     phone-devel@...r.kernel.org, Pavel Machek <pavel@....cz>,
        ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-leds@...r.kernel.org,
        Rob Herring <robh@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Matthias Kaehlcke <mka@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Satya Priya <quic_c_skakit@...cinc.com>
Subject: Re: [PATCH 2/4] leds: qcom-lpg: Add PM660L configuration and
 compatible

On Sat 07 May 17:11 CDT 2022, 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>
> ---
>  drivers/leds/rgb/leds-qcom-lpg.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
> index cfa3362b2457..30c12ac8eed4 100644
> --- a/drivers/leds/rgb/leds-qcom-lpg.c
> +++ b/drivers/leds/rgb/leds-qcom-lpg.c
> @@ -1271,6 +1271,23 @@ static int lpg_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> +static const struct lpg_data pm660l_lpg_data = {
> +	.lut_base = 0xb000,
> +	.lut_size = 0x100,

The documentation tells me that you have 49 entries of LUT on the
PM660L.

> +
> +	.triled_base = 0xd000,
> +	.triled_has_atc_ctl = true,
> +	.triled_has_src_sel = true,
> +
> +	.num_channels = 4,
> +	.channels = (struct lpg_channel_data[]) {

This can be const

Regards,
Bjorn

> +		{ .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[]) {
> @@ -1391,6 +1408,7 @@ 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 },
> -- 
> 2.36.0
>