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| author | Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> | 2023-10-11 13:12:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-15 18:08:24 +0300 |
| commit | c3c6ab95c397134bf5948f18743b3ba8008e7c47 (patch) | |
| tree | e9aee38b0ac1d22cb9ec5a5b4b249575a040101c /Documentation/netlink | |
| parent | 27ed30d1f861315719bd8c2b2e81576d71750331 (diff) | |
| download | linux-c3c6ab95c397134bf5948f18743b3ba8008e7c47.tar.xz | |
dpll: spec: add support for pin-dpll signal phase offset/adjust
Add attributes for providing the user with:
- measurement of signals phase offset between pin and dpll
- ability to adjust the phase of pin signal
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/netlink')
| -rw-r--r-- | Documentation/netlink/specs/dpll.yaml | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml index 1c1b53136c7b..cf8abe1c0550 100644 --- a/Documentation/netlink/specs/dpll.yaml +++ b/Documentation/netlink/specs/dpll.yaml @@ -164,6 +164,18 @@ definitions: - name: state-can-change doc: pin state can be changed + - + type: const + name: phase-offset-divider + value: 1000 + doc: | + phase offset divider allows userspace to calculate a value of + measured signal phase difference between a pin and dpll device + as a fractional value with three digit decimal precision. + Value of (DPLL_A_PHASE_OFFSET / DPLL_PHASE_OFFSET_DIVIDER) is an + integer part of a measured phase offset value. + Value of (DPLL_A_PHASE_OFFSET % DPLL_PHASE_OFFSET_DIVIDER) is a + fractional part of a measured phase offset value. attribute-sets: - @@ -272,6 +284,18 @@ attribute-sets: type: nest multi-attr: true nested-attributes: pin-parent-pin + - + name: phase-adjust-min + type: s32 + - + name: phase-adjust-max + type: s32 + - + name: phase-adjust + type: s32 + - + name: phase-offset + type: s64 - name: pin-parent-device subset-of: pin @@ -284,6 +308,8 @@ attribute-sets: name: prio - name: state + - + name: phase-offset - name: pin-parent-pin subset-of: pin @@ -431,6 +457,9 @@ operations: - capabilities - parent-device - parent-pin + - phase-adjust-min + - phase-adjust-max + - phase-adjust dump: pre: dpll-lock-dumpit @@ -458,6 +487,7 @@ operations: - state - parent-device - parent-pin + - phase-adjust - name: pin-create-ntf doc: Notification about pin appearing |