Re: [PATCH v2 2/5] clk: qcom: lpassaudiocc-sc7280: Add support for LPASS resets for QCM6490

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On 16/08/2024 10:32, Taniya Das wrote:
> On the QCM6490 boards the LPASS firmware controls the complete clock
> controller functionalities. But the LPASS resets are required to be
> controlled from the high level OS. The Audio SW driver should be able to
> assert/deassert the audio resets as required. Thus in clock driver add
> support for the resets.
> 
> Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> ---
>  drivers/clk/qcom/lpassaudiocc-sc7280.c | 23 +++++++++++++++++++----
>  1 file changed, 19 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/clk/qcom/lpassaudiocc-sc7280.c b/drivers/clk/qcom/lpassaudiocc-sc7280.c
> index 45e726477086..b64393089263 100644
> --- a/drivers/clk/qcom/lpassaudiocc-sc7280.c
> +++ b/drivers/clk/qcom/lpassaudiocc-sc7280.c
> @@ -1,6 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  /*
>   * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
>   */
>  
>  #include <linux/clk-provider.h>
> @@ -713,14 +714,24 @@ static const struct qcom_reset_map lpass_audio_cc_sc7280_resets[] = {
>  	[LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 },
>  };
>  
> +static const struct regmap_config lpass_audio_cc_sc7280_reset_regmap_config = {
> +	.name = "lpassaudio_cc_reset",
> +	.reg_bits = 32,
> +	.reg_stride = 4,
> +	.val_bits = 32,
> +	.fast_io = true,
> +	.max_register = 0xc8,
> +};
> +
>  static const struct qcom_cc_desc lpass_audio_cc_reset_sc7280_desc = {
> -	.config = &lpass_audio_cc_sc7280_regmap_config,
> +	.config = &lpass_audio_cc_sc7280_reset_regmap_config,
>  	.resets = lpass_audio_cc_sc7280_resets,
>  	.num_resets = ARRAY_SIZE(lpass_audio_cc_sc7280_resets),
>  };
>  
>  static const struct of_device_id lpass_audio_cc_sc7280_match_table[] = {
> -	{ .compatible = "qcom,sc7280-lpassaudiocc" },
> +	{ .compatible = "qcom,qcm6490-lpassaudiocc", .data = &lpass_audio_cc_reset_sc7280_desc },

That's odd to see sc7280 reset added for qcm6490, but not used fot
sc7280 at all. Didn't you mean here lpass_audio_cc_qcm6409_desc?


Best regards,
Krzysztof





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