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| author | Gabriel FERNANDEZ <gabriel.fernandez@st.com> | 2014-11-04 11:51:23 +0100 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2014-11-12 14:10:13 +0100 |
| commit | 28ba384dc5e42a23328dca7e5e72d19e2dd4c9ce (patch) | |
| tree | ca51e7738bdc49f39b57af9d6c265bb1de0e30bf /Documentation/devicetree/bindings/phy | |
| parent | phy: miphy28lp: Add SSC support for PCIE (diff) | |
| download | linux-28ba384dc5e42a23328dca7e5e72d19e2dd4c9ce.tar.xz linux-28ba384dc5e42a23328dca7e5e72d19e2dd4c9ce.zip | |
phy: miphy28lp: Tune tx impedance across Soc cuts
This patch to compensate tx impedance (Sata, PCIe)
depending on Soc cuts the kernel is built for.
Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/phy')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/phy-miphy28lp.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/phy-miphy28lp.txt b/Documentation/devicetree/bindings/phy/phy-miphy28lp.txt index 4a3b4af3c1e6..46a135dae6b3 100644 --- a/Documentation/devicetree/bindings/phy/phy-miphy28lp.txt +++ b/Documentation/devicetree/bindings/phy/phy-miphy28lp.txt @@ -40,6 +40,7 @@ Optional properties (port (child) node): - st,px_rx_pol_inv : to invert polarity of RXn/RXp (respectively negative line and positive line). - st,scc-on : enable ssc to reduce effects of EMI (only for sata or PCIe). +- st,tx-impedance-comp : to compensate tx impedance avoiding out of range values. example: |