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-rw-r--r--Documentation/devicetree/bindings/net/ti,dp83867.txt6
-rw-r--r--include/dt-bindings/net/ti-dp83867.h2
2 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index 99b8681bde49..db6aa3f2215b 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt
@@ -33,8 +33,10 @@ Optional property:
software needs to take when this pin is
strapped in these modes. See data manual
for details.
- - ti,clk-output-sel - Muxing option for CLK_OUT pin - see dt-bindings/net/ti-dp83867.h
- for applicable values.
+ - ti,clk-output-sel - Muxing option for CLK_OUT pin. See dt-bindings/net/ti-dp83867.h
+ for applicable values. The CLK_OUT pin can also
+ be disabled by this property. When omitted, the
+ PHY's default will be left as is.
Note: ti,min-output-impedance and ti,max-output-impedance are mutually
exclusive. When both properties are present ti,max-output-impedance
diff --git a/include/dt-bindings/net/ti-dp83867.h b/include/dt-bindings/net/ti-dp83867.h
index 7b1656427cbe..192b79439eb7 100644
--- a/include/dt-bindings/net/ti-dp83867.h
+++ b/include/dt-bindings/net/ti-dp83867.h
@@ -56,4 +56,6 @@
#define DP83867_CLK_O_SEL_CHN_C_TCLK 0xA
#define DP83867_CLK_O_SEL_CHN_D_TCLK 0xB
#define DP83867_CLK_O_SEL_REF_CLK 0xC
+/* Special flag to indicate clock should be off */
+#define DP83867_CLK_O_SEL_OFF 0xFFFFFFFF
#endif