On Mi, 2024-10-09 at 14:05 +0800, Ryan Chen wrote:
> Add AST2700 clock controller driver and also use axiliary
> device framework register the reset controller driver.
> Due to clock and reset using the same register region.
>
> Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>
> ---
> drivers/clk/Kconfig | 8 +
> drivers/clk/Makefile | 1 +
> drivers/clk/clk-ast2700.c | 1554 +++++++++++++++++++++++++++++++++++++
> 3 files changed, 1563 insertions(+)
> create mode 100644 drivers/clk/clk-ast2700.c
>
[...]
> diff --git a/drivers/clk/clk-ast2700.c b/drivers/clk/clk-ast2700.c
> new file mode 100644
> index 000000000000..ef1f939b1c9f
> --- /dev/null
> +++ b/drivers/clk/clk-ast2700.c
> @@ -0,0 +1,1554 @@
[...]
> +static void aspeed_reset_unregister_adev(void *_adev)
> +{
> + struct auxiliary_device *adev = _adev;
> +
> + auxiliary_device_delete(adev);
> + auxiliary_device_uninit(adev);
> +}
> +
> +static void aspeed_reset_adev_release(struct device *dev)
> +{
> + struct auxiliary_device *adev = to_auxiliary_dev(dev);
> +
> + kfree(adev);
> +}
> +
> +static int aspeed_reset_controller_register(struct device *clk_dev,
> + void __iomem *base, const char *adev_name)
> +{
> + struct auxiliary_device *adev;
> + int ret;
> +
> + adev = kzalloc(sizeof(*adev), GFP_KERNEL);
> + if (!adev)
> + return -ENOMEM;
> +
> + adev->name = adev_name;
> + adev->dev.parent = clk_dev;
> + adev->dev.release = aspeed_reset_adev_release;
> + adev->id = 666u;
> +
> + ret = auxiliary_device_init(adev);
> + if (ret) {
> + kfree(adev);
> + return ret;
> + }
> +
> + ret = auxiliary_device_add(adev);
> + if (ret) {
> + auxiliary_device_uninit(adev);
> + return ret;
> + }
> +
> + adev->dev.platform_data = (__force void *)base;
> +
> + return devm_add_action_or_reset(clk_dev, aspeed_reset_unregister_adev, adev);
> +}
Should this be moved into reset-aspeed.c?
regards
Philipp
