Re: [PATCH 3/4] drm/vc4: Add register defines for CEC.

Hans Verkuil writes: > From: Eric Anholt > > Basic usage: > > poweron: HSM clock should be running. Set the bit clock divider, > set all the other _US timeouts based on bit clock rate. Bring RX/TX > reset up and then down. > > powerdown: Set RX/TX reset. >

[PATCH 3/4] drm/vc4: Add register defines for CEC.

From: Eric Anholt Basic usage: poweron: HSM clock should be running. Set the bit clock divider, set all the other _US timeouts based on bit clock rate. Bring RX/TX reset up and then down. powerdown: Set RX/TX reset. interrupt: read CPU_STATUS, write bits that have been