aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree
diff options
context:
space:
mode:
authorGabriel FERNANDEZ <gabriel.fernandez@st.com>2014-11-04 11:51:23 +0100
committerKishon Vijay Abraham I <kishon@ti.com>2014-11-12 18:40:13 +0530
commit28ba384dc5e42a23328dca7e5e72d19e2dd4c9ce (patch)
treeca51e7738bdc49f39b57af9d6c265bb1de0e30bf /Documentation/devicetree
parenta2108dee3cd39f7291d013c50c33c2a639a17b42 (diff)
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')
-rw-r--r--Documentation/devicetree/bindings/phy/phy-miphy28lp.txt1
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:

Privacy Policy