dt-bindings: add maximum power level to SFP binding

Add the new maximum power level property to the SFP binding.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/sff,sfp.txt b/Documentation/devicetree/bindings/net/sff,sfp.txt
index f1c441b..929591d 100644 (file)
--- a/Documentation/devicetree/bindings/net/sff,sfp.txt
+++ b/Documentation/devicetree/bindings/net/sff,sfp.txt
@@ -33,6 +33,10 @@ Optional Properties:
   Select (AKA RS1) output gpio signal (SFP+ only), low: low Tx rate, high:
   high Tx rate. Must not be present for SFF modules
 
+- maximum-power-milliwatt : Maximum module power consumption
+  Specifies the maximum power consumption allowable by a module in the
+  slot, in milli-Watts.  Presently, modules can be up to 1W, 1.5W or 2W.
+
 Example #1: Direct serdes to SFP connection
 
 sfp_eth3: sfp-eth3 {
@@ -40,6 +44,7 @@ sfp_eth3: sfp-eth3 {
        i2c-bus = <&sfp_1g_i2c>;
        los-gpios = <&cpm_gpio2 22 GPIO_ACTIVE_HIGH>;
        mod-def0-gpios = <&cpm_gpio2 21 GPIO_ACTIVE_LOW>;
+       maximum-power-milliwatt = <1000>;
        pinctrl-names = "default";
        pinctrl-0 = <&cpm_sfp_1g_pins &cps_sfp_1g_pins>;
        tx-disable-gpios = <&cps_gpio1 24 GPIO_ACTIVE_HIGH>;