[PATCH v5 2/3] usb: cdns3: Add CIX Sky1 glue driver

[Philipp Zabel]

On Di, 2026-11-03 at 07:49 +0000, Hongliang Yang (杨宏亮) wrote:
> Add a glue layer driver for the Cadence USBSSP controller integrated
> in the CIX Sky1 SoC. The driver manages the controller clocks,
> resets, and the mode strap controls located in the Sky1 S5 system
> controller. The per-controller glue registers, the AXI bus attribute
> configuration register and the controller status register, are mapped
> directly through the reg property of the glue node.
> 
> Signed-off-by: Hongliang Yang <hongliang.yang at cixtech.com>
> ---
> v4 -> v5:
> - No changes.
>  drivers/usb/cdns3/Kconfig      |  13 +
>  drivers/usb/cdns3/Makefile     |   1 +
>  drivers/usb/cdns3/cdnsp-sky1.c | 716 +++++++++++++++++++++++++++++++++
>  drivers/usb/cdns3/cdnsp-sky1.h | 128 ++++++
>  4 files changed, 858 insertions(+)
>  create mode 100644 drivers/usb/cdns3/cdnsp-sky1.c
>  create mode 100644 drivers/usb/cdns3/cdnsp-sky1.h
> 
[...]
> diff --git a/drivers/usb/cdns3/cdnsp-sky1.c b/drivers/usb/cdns3/cdnsp-sky1.c
> new file mode 100644
> index 000000000000..1f7870289a35
> --- /dev/null
> +++ b/drivers/usb/cdns3/cdnsp-sky1.c
> @@ -0,0 +1,716 @@
[...]
> +static int cdnsp_sky1_probe(struct platform_device *pdev)
> +{
[...]
> +       data->reset = devm_reset_control_get_exclusive(&pdev->dev, "core");
> +       if (IS_ERR(data->reset)) {
> +               ret = PTR_ERR(data->reset);
> +               dev_err(dev, "get reset error:%d\n", ret);
> +               return ret;

		return dev_err_probe(dev, PTR_ERR(data->reset),
"...");

> +       }
> +       data->preset = devm_reset_control_get_exclusive(&pdev->dev, "apb");
> +       if (IS_ERR(data->preset)) {
> +               ret = PTR_ERR(data->preset);
> +               dev_err(dev, "get reset error:%d\n", ret);
> +               return ret;

Same as above.

regards
Philipp