Re: [PATCH v2 3/6] clk: qcom: Add lpass clock controller driver for SC8280XP

From: Krzysztof Kozlowski
Date: Wed May 31 2023 - 16:01:44 EST


On 25/05/2023 14:29, Srinivas Kandagatla wrote:
> Add support for the lpass clock controller found on SC8280XP based devices.
> This would allow lpass peripheral loader drivers to control the clocks and
> bring the subsystems out of reset.
>
> Currently this patch only supports resets as the Q6DSP is in control of
> LPASS IP which manages most of the clocks via Q6PRM service on GPR rpmsg
> channel.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> drivers/clk/qcom/Kconfig | 8 ++++
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/lpasscc-sc8280xp.c | 63 +++++++++++++++++++++++++++++
> 3 files changed, 72 insertions(+)
> create mode 100644 drivers/clk/qcom/lpasscc-sc8280xp.c
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 85869e7a9f16..e25993abb519 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -523,6 +523,14 @@ config SC_LPASSCC_7280
> Say Y if you want to use the LPASS branch clocks of the LPASS clock
> controller to reset the LPASS subsystem.
>
> +config SC_LPASSCC_8280XP
> + tristate "SC8280 Low Power Audio Subsystem (LPASS) Clock Controller"

depends on ARM64 || COMPILE_TEST

Best regards,
Krzysztof