sky2: document GPHY_CTRL bits

Add documentation of GPHY_CTRL register bits even if driver
is not using them (yet).

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index f18f875..3d4f190 100644 (file)
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1850,6 +1850,28 @@ enum {
 
 /*     GPHY_CTRL               32 bit  GPHY Control Reg (YUKON only) */
 enum {
+       GPC_TX_PAUSE    = 1<<30, /* Tx pause enabled (ro) */
+       GPC_RX_PAUSE    = 1<<29, /* Rx pause enabled (ro) */
+       GPC_SPEED       = 3<<27, /* PHY speed (ro) */
+       GPC_LINK        = 1<<26, /* Link up (ro) */
+       GPC_DUPLEX      = 1<<25, /* Duplex (ro) */
+       GPC_CLOCK       = 1<<24, /* 125Mhz clock stable (ro) */
+
+       GPC_PDOWN       = 1<<23, /* Internal regulator 2.5 power down */
+       GPC_TSTMODE     = 1<<22, /* Test mode */
+       GPC_REG18       = 1<<21, /* Reg18 Power down */
+       GPC_REG12SEL    = 3<<19, /* Reg12 power setting */
+       GPC_REG18SEL    = 3<<17, /* Reg18 power setting */
+       GPC_SPILOCK     = 1<<16, /* SPI lock (ASF) */
+
+       GPC_LEDMUX      = 3<<14, /* LED Mux */
+       GPC_INTPOL      = 1<<13, /* Interrupt polarity */
+       GPC_DETECT      = 1<<12, /* Energy detect */
+       GPC_1000HD      = 1<<11, /* Enable 1000Mbit HD */
+       GPC_SLAVE       = 1<<10, /* Slave mode */
+       GPC_PAUSE       = 1<<9, /* Pause enable */
+       GPC_LEDCTL      = 3<<6, /* GPHY Leds */
+
        GPC_RST_CLR     = 1<<1, /* Clear GPHY Reset */
        GPC_RST_SET     = 1<<0, /* Set   GPHY Reset */
 };