[PATCH RFC 13/22] usb: typec: tipd: Read USB4, Thunderbolt and DisplayPort status for cd321x
Janne Grunau
j at jannau.net
Thu Aug 21 09:46:10 PDT 2025
On Thu, Aug 21, 2025 at 03:39:05PM +0000, Sven Peter wrote:
> CD321x supports various alternate modes and stores information once
> these are entered into separate status registers. Read those when they
> are active when reading TPS_DATA_STATUS to prepare supporting these.
>
> Signed-off-by: Sven Peter <sven at kernel.org>
> ---
> drivers/usb/typec/tipd/core.c | 81 ++++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 77 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 51b0f3be8b66a743ddc3ea96c1b25f597a1e8f6c..59d270eb50ea3dc49ad32ff71f8354e23c1083c9 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -35,14 +35,19 @@
> #define TPS_REG_INT_MASK2 0x17
> #define TPS_REG_INT_CLEAR1 0x18
> #define TPS_REG_INT_CLEAR2 0x19
> -#define TPS_REG_SYSTEM_POWER_STATE 0x20
> #define TPS_REG_STATUS 0x1a
> +#define TPS_REG_SYSTEM_POWER_STATE 0x20
> +#define TPS_REG_USB4_STATUS 0x24
> +#define TPS_REG_DP_SID_STATUS 0x58
TPS_REG_DP_SID_STATUS is added twice, below in the correct order
> #define TPS_REG_SYSTEM_CONF 0x28
> #define TPS_REG_CTRL_CONF 0x29
> #define TPS_REG_BOOT_STATUS 0x2D
> #define TPS_REG_POWER_STATUS 0x3f
> #define TPS_REG_PD_STATUS 0x40
> #define TPS_REG_RX_IDENTITY_SOP 0x48
> +#define TPS_REG_CF_VID_STATUS 0x5e
> +#define TPS_REG_DP_SID_STATUS 0x58
here
Janne
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