Re: [PATCH v2 2/7] dt-bindings: phy: Add special clock for Allwinner H616 PHY

Rob Herring
2022-11-01T01:04:28Z

On Mon, 31 Oct 2022 11:13:53 +0000, Andre Przywara wrote:
> The USB PHY IP in the Allwinner H616 SoC requires a quirk that involves
> some resources from port 2's PHY and HCI IP. In particular the PMU clock
> for port 2 must be surely ungated before accessing the REG_HCI_PHY_CTL
> register of port 2. To allow each USB port to be controlled
> independently of port 2, we need a handle to that particular PMU clock
> in the *PHY* node, as the HCI and PHY part might be handled by separate
> drivers.
>
> Add that clock to the requirements of the H616 PHY binding, so that a
> PHY driver can apply the quirk in isolation, without requiring help from
> port 2's HCI driver.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> .../phy/allwinner,sun8i-h3-usb-phy.yaml | 26 +++++++++++++++++++
> 1 file changed, 26 insertions(+)
>

Reviewed-by: Rob Herring <robh@kernel.org>