[PATCH v5 1/8] dt-bindings: phy: Add PHY_DIRECTION_TX/RX definitions

Krzysztof Kozlowski krzk at kernel.org
Sat Oct 17 10:19:37 PDT 2026


On Fri, Oct 16, 2026 at 04:56:35PM +0800, Jason Yang wrote:
> A MIPI D-PHY or C-PHY can be a transmitter or a receiver. Some PHY
> blocks have one of each and can use them at the same time, so one PHY
> node offers two PHYs. The existing cell, PHY_TYPE_DPHY or
> PHY_TYPE_CPHY, selects the mode of the whole block, not one of the two
> PHYs.
> 
> Add PHY_DIRECTION_TX and PHY_DIRECTION_RX for a cell that selects the
> transmitter or the receiver. The first user is the Rockchip RK3588 MIPI
> DC-PHY, where the transmitter serves a DSI host and the receiver a CSI-2
> host.
> 
> Suggested-by: Michael Riesch <michael.riesch at collabora.com>
> Link: https://lore.kernel.org/r/7425ac83-f6d8-4443-a26e-a47f9306aa24@collabora.com
> Signed-off-by: Jason Yang <jason98166 at gmail.com>
> ---
>  include/dt-bindings/phy/phy.h | 3 +++
>  1 file changed, 3 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>

Best regards,
Krzysztof




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