Re: [PATCH 0/4] Move DP phy switch to PHY driver

Kishon Vijay Abraham I
2018-02-16T11:05:32Z

Hi,

On Friday 10 February 2017 01:14 PM, Chris Zhong wrote:
>
> There are 2 Type-c PHYs in RK3399, but only one DP controller. Hence
> only one PHY can connect to DP controller at one time, the other should
> be disconnected. The GRF_SOC_CON26 register has a switch bit to do it,
> set this bit means enable PHY 1, clear this bit means enable PHY 0.
>
> If the board has 2 Type-C ports, the DP driver get the phy id from
> devm_of_phy_get_by_index, and then control this switch according to
> this id. But some others board only has one Type-C port, it may be PHY 0
> or PHY 1. The dts node id can not tell us the correct PHY id. Hence move
> this switch to PHY driver, the PHY driver can distinguish between PHY 0
> and PHY 1, and then write the correct register bit.
>
>

Changed subject of "Documentation: bindings: add uphy-dp-sel for Rockchip USB
Type-C PHY" as suggested by Rob, rebased "phy: rockchip-typec: support DP phy
switch" to the latest kernel and merged.

Thanks
Kishon

>
> Chris Zhong (4):
> Documentation: bindings: add uphy-dp-sel for Rockchip USB Type-C PHY
> arm64: dts: rockchip: add rockchip,uphy-dp-sel for Type-C phy
> phy: rockchip-typec: support DP phy switch
> drm/rockchip: cdn-dp: remove the DP phy switch
>
> Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 5 +++++
> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 ++
> drivers/gpu/drm/rockchip/cdn-dp-core.c | 7 -------
> drivers/phy/phy-rockchip-typec.c | 9 +++++++++
> 4 files changed, 16 insertions(+), 7 deletions(-)
>