| Message ID | 20220822015949.1569969-2-wei.fang@nxp.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 52b2fe4535ad0d5c31055a562f5ac8290a28e64b |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | add interface mode select and RMII | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/cc_maintainers | success | CCed 11 of 11 maintainers |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/check_selftest | success | No net selftest shell script |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 29 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
On Mon, 22 Aug 2022 09:59:48 +0800, wei.fang@nxp.com wrote: > From: Wei Fang <wei.fang@nxp.com> > > TJA110x REF_CLK can be configured as interface reference clock > intput or output when the RMII mode enabled. This patch add the > property to make the REF_CLK can be configurable. > > Signed-off-by: Wei Fang <wei.fang@nxp.com> > --- > V2 change: > Correct the property name and a typo. > --- > .../devicetree/bindings/net/nxp,tja11xx.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml index d51da24f3505..ab8867e6939b 100644 --- a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml +++ b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml @@ -31,6 +31,22 @@ patternProperties: description: The ID number for the child PHY. Should be +1 of parent PHY. + nxp,rmii-refclk-in: + type: boolean + description: | + The REF_CLK is provided for both transmitted and received data + in RMII mode. This clock signal is provided by the PHY and is + typically derived from an external 25MHz crystal. Alternatively, + a 50MHz clock signal generated by an external oscillator can be + connected to pin REF_CLK. A third option is to connect a 25MHz + clock to pin CLK_IN_OUT. So, the REF_CLK should be configured + as input or output according to the actual circuit connection. + If present, indicates that the REF_CLK will be configured as + interface reference clock input when RMII mode enabled. + If not present, the REF_CLK will be configured as interface + reference clock output when RMII mode enabled. + Only supported on TJA1100 and TJA1101. + required: - reg @@ -44,6 +60,7 @@ examples: tja1101_phy0: ethernet-phy@4 { reg = <0x4>; + nxp,rmii-refclk-in; }; }; - |