netdev - [PATCH] [DM9000] External PHY support

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Message-Id: <200708141329.35301.laurentp@cse-semaphore.com>
Date:	Tue, 14 Aug 2007 13:29:35 +0200
From:	Laurent Pinchart <laurentp@...-semaphore.com>
To:	netdev@...r.kernel.org
Cc:	Ben Dooks <ben-linux@...ff.org>
Subject: [PATCH] [DM9000] External PHY support

This patch adds a flag to the DM9000 platform data which, when set,
configures the device to use an external PHY.

Signed-off-by: Laurent Pinchart <laurentp@...-semaphore.com>
---
 drivers/net/dm9000.c   |    6 ++++++
 include/linux/dm9000.h |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index ee578d9..820f0d3 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -124,6 +124,7 @@ typedef struct board_info {
 	u16 dbug_cnt;
 	u8 io_mode;		/* 0:word, 2:byte */
 	u8 phy_addr;
+	unsigned int flags;
 
 	void (*inblk)(void __iomem *port, void *data, int length);
 	void (*outblk)(void __iomem *port, void *data, int length);
@@ -513,6 +514,8 @@ dm9000_probe(struct platform_device *pdev)
 
 		if (pdata->dumpblk != NULL)
 			db->dumpblk = pdata->dumpblk;
+
+		db->flags = pdata->flags;
 	}
 
 	dm9000_reset(db);
@@ -655,6 +658,9 @@ dm9000_init_dm9000(struct net_device *dev)
 	iow(db, DM9000_GPCR, GPCR_GEP_CNTL);	/* Let GPIO0 output */
 	iow(db, DM9000_GPR, 0);	/* Enable PHY */
 
+	if (db->flags & DM9000_PLATF_EXT_PHY)
+		iow(db, DM9000_NCR, NCR_EXT_PHY);
+
 	/* Program operating register */
 	iow(db, DM9000_TCR, 0);	        /* TX Polling clear */
 	iow(db, DM9000_BPTR, 0x3f);	/* Less 3Kb, 200us */
diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h
index 0008e2a..ea530fd 100644
--- a/include/linux/dm9000.h
+++ b/include/linux/dm9000.h
@@ -19,6 +19,7 @@
 #define DM9000_PLATF_8BITONLY	(0x0001)
 #define DM9000_PLATF_16BITONLY	(0x0002)
 #define DM9000_PLATF_32BITONLY	(0x0004)
+#define DM9000_PLATF_EXT_PHY	(0x0008)
 
 /* platfrom data for platfrom device structure's platfrom_data field */
 
-- 
1.5.0


-- 
Laurent Pinchart
CSE Semaphore Belgium

Chaussée de Bruxelles, 732A
B-1410 Waterloo
Belgium

T +32 (2) 387 42 59
F +32 (2) 387 42 75
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