Re: [PATCH v9 2/2] power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets

[Krzysztof Kozlowski]

On 05/06/2024 14:38, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> 
> This adds the power sequencing driver for the PMU modules present on the
> Qualcomm WCN Bluetooth and Wifi chipsets. It uses the pwrseq subsystem
> and knows how to match the sequencer to the consumer device by verifying
> the relevant properties and DT layout. Using this driver will allow the
> BT and WLAN drivers to respect the required delays between enabling the
> two modules.
> 

...


> +
> +	ctx->bt_gpio = devm_gpiod_get_optional(dev, "bt-enable", GPIOD_OUT_LOW);
> +	if (IS_ERR(ctx->bt_gpio))
> +		return dev_err_probe(dev, PTR_ERR(ctx->bt_gpio),
> +				     "Failed to get the Bluetooth enable GPIO\n");
> +
> +	ctx->wlan_gpio = devm_gpiod_get_optional(dev, "wlan-enable",
> +						 GPIOD_OUT_LOW);
> +	if (IS_ERR(ctx->wlan_gpio))
> +		return dev_err_probe(dev, PTR_ERR(ctx->wlan_gpio),
> +				     "Failed to get the WLAN enable GPIO\n");
> +
> +	ctx->clk = devm_clk_get_optional(dev, NULL);

Your binding does not allow the clock. Do you need it for non-DT platforms?

Best regards,
Krzysztof