Re: [PATCH 4/6] clk: qcom: Add Nord display clock controller support

[Shawn Guo]

On Tue, Jun 23, 2026 at 04:24:07PM +0530, Taniya Das wrote:
> Add support for the display clock controllers (DISPCC) on the
> Qualcomm Nord platform.
> 
> The platform includes two display clock controller instances,
> display0 and display1. Register support for both controllers.
> 
> Signed-off-by: Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
> ---
>  drivers/clk/qcom/Kconfig        |   11 +
>  drivers/clk/qcom/Makefile       |    1 +
>  drivers/clk/qcom/dispcc0-nord.c | 2006 +++++++++++++++++++++++++++++++++++++++
>  drivers/clk/qcom/dispcc1-nord.c | 2006 +++++++++++++++++++++++++++++++++++++++
>  4 files changed, 4024 insertions(+)
> 
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 7d84c2f1d911a35430bba7670409f59972dcca0f..874136a2ad9aaa117df2c7ad5c8abc5280b76339 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -145,6 +145,17 @@ config CLK_KAANAPALI_VIDEOCC
>  	  Say Y if you want to support video devices and functionality such as
>  	  video encode/decode.
>  
> +config CLK_NORD_DISPCC
> +	tristate "Nord Display Clock Controller"
> +	depends on ARM64 || COMPILE_TEST
> +	select CLK_NORD_GCC
> +	default m if ARCH_QCOM
> +	help
> +	  Support for the display clock controllers on Qualcomm Technologies, Inc
> +	  Nord devices. There are two display clock controllers on Nord SoC.
> +	  Say Y if you want to support display devices and functionality such as
> +	  splash screen.
> +
>  config CLK_NORD_GCC
>  	tristate "Nord Global Clock Controller"
>  	depends on ARM64 || COMPILE_TEST
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index 58f9a5eb6fd7fc457607a179d8bab5623fedf706..4282f43e7078f1fe0dde6f942040eb6bd122d7ce 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -37,6 +37,7 @@ obj-$(CONFIG_CLK_KAANAPALI_GCC) += gcc-kaanapali.o
>  obj-$(CONFIG_CLK_KAANAPALI_GPUCC) += gpucc-kaanapali.o gxclkctl-kaanapali.o
>  obj-$(CONFIG_CLK_KAANAPALI_TCSRCC) += tcsrcc-kaanapali.o
>  obj-$(CONFIG_CLK_KAANAPALI_VIDEOCC) += videocc-kaanapali.o
> +obj-$(CONFIG_CLK_NORD_DISPCC) += dispcc0-nord.o dispcc1-nord.o
>  obj-$(CONFIG_CLK_NORD_GCC) += gcc-nord.o negcc-nord.o nwgcc-nord.o segcc-nord.o
>  obj-$(CONFIG_CLK_NORD_TCSRCC) += tcsrcc-nord.o
>  obj-$(CONFIG_CLK_X1E80100_CAMCC) += camcc-x1e80100.o
> diff --git a/drivers/clk/qcom/dispcc0-nord.c b/drivers/clk/qcom/dispcc0-nord.c
> new file mode 100644
> index 0000000000000000000000000000000000000000..c0097482a1a94a99a05767726b5a7405cf014fea
> --- /dev/null
> +++ b/drivers/clk/qcom/dispcc0-nord.c
> @@ -0,0 +1,2006 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/module.h>
> +#include <linux/of.h>

This include shouldn't be needed.

Shawn

> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>