linux-kernel - Re: [PATCH 2/2] clk: qcom: Add TCSR clock driver for x1e80100

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Message-ID: <CAL_JsqLO60Gmn6y=D+ZxKgoxRP9=jcZL9S8LuUgp=4HvAmvWzQ@mail.gmail.com>
Date:   Mon, 11 Dec 2023 11:58:23 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] clk: qcom: Add TCSR clock driver for x1e80100

On Wed, Nov 22, 2023 at 7:42 AM Abel Vesa <abel.vesa@...aro.org> wrote:
>
> The TCSR clock controller found on X1E80100 provides refclks
> for PCIE, USB and UFS. Add clock driver for it.
>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  drivers/clk/qcom/Kconfig           |   8 +
>  drivers/clk/qcom/Makefile          |   1 +
>  drivers/clk/qcom/tcsrcc-x1e80100.c | 295 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 304 insertions(+)
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index ad1acd9b7426..6ed9c89d9070 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -1116,4 +1116,12 @@ config SM_VIDEOCC_8450
>           SM8450 devices.
>           Say Y if you want to support video devices and functionality such as
>           video encode/decode.
> +
> +config X1E_TCSRCC_80100
> +       tristate "X1E80100 TCSR Clock Controller"
> +       depends on ARM64 || COMPILE_TEST
> +       select QCOM_GDSC
> +       help
> +         Support for the TCSR clock controller on X1E80100 devices.
> +         Say Y if you want to use peripheral devices such as SD/UFS.
>  endif
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index 17edd73f9839..4931a1470137 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -140,3 +140,4 @@ obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
>  obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o
>  obj-$(CONFIG_QCOM_HFPLL) += hfpll.o
>  obj-$(CONFIG_KRAITCC) += krait-cc.o
> +obj-$(CONFIG_X1E_TCSRCC_80100) += tcsrcc-x1e80100.o
> diff --git a/drivers/clk/qcom/tcsrcc-x1e80100.c b/drivers/clk/qcom/tcsrcc-x1e80100.c
> new file mode 100644
> index 000000000000..2ec142c3d1f9
> --- /dev/null
> +++ b/drivers/clk/qcom/tcsrcc-x1e80100.c
> @@ -0,0 +1,295 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2023, Linaro Limited
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>

You probably don't need this header and the implicit includes it makes
are dropped now in linux-next. Please check what you actually need and
make them explicit.

Rob