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Message-ID: <1373929730-28130-1-git-send-email-dinguyen@altera.com>
Date: Mon, 15 Jul 2013 18:08:50 -0500
From: <dinguyen@...era.com>
To: <dinh.linux@...il.com>, <netdev@...r.kernel.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
Dinh Nguyen <dinguyen@...era.com>,
"David S. Miller" <davem@...emloft.net>,
Shawn Guo <shawn.guo@...aro.org>,
Andrew Victor <linux@...im.org.za>,
Nicolas Ferre <nicolas.ferre@...el.com>,
Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
Pavel Machek <pavel@...x.de>
Subject: [PATCH] phy: micrel: Add definitions for common Micrel PHY registers
From: Dinh Nguyen <dinguyen@...era.com>
Add defines for common Micrel PHY setups so that other platforms
can use them. Update imx61 and sama5 hardware to use the micrel_phy.h
PHY defines.
Also add support for the KSZ9021RLRN PHY.
Signed-off-by: Dinh Nguyen <dinguyen@...era.com>
Cc: David S. Miller <davem@...emloft.net>
Cc: Shawn Guo <shawn.guo@...aro.org>
CC: Andrew Victor <linux@...im.org.za>
CC: Nicolas Ferre <nicolas.ferre@...el.com>
CC: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
CC: Pavel Machek <pavel@...x.de>
---
arch/arm/mach-at91/board-dt-sama5.c | 17 ++++++-----------
arch/arm/mach-imx/mach-imx6q.c | 13 ++++++++-----
include/linux/micrel_phy.h | 6 ++++++
3 files changed, 20 insertions(+), 16 deletions(-)
diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c
index ad95f6a..bf00d15 100644
--- a/arch/arm/mach-at91/board-dt-sama5.c
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -42,20 +42,15 @@ static int ksz9021rn_phy_fixup(struct phy_device *phy)
{
int value;
-#define GMII_RCCPSR 260
-#define GMII_RRDPSR 261
-#define GMII_ERCR 11
-#define GMII_ERDWR 12
-
/* Set delay values */
- value = GMII_RCCPSR | 0x8000;
- phy_write(phy, GMII_ERCR, value);
+ value = MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW | 0x8000;
+ phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
value = 0xF2F4;
- phy_write(phy, GMII_ERDWR, value);
- value = GMII_RRDPSR | 0x8000;
- phy_write(phy, GMII_ERCR, value);
+ phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
+ value = MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW | 0x8000;
+ phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
value = 0x2222;
- phy_write(phy, GMII_ERDWR, value);
+ phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
return 0;
}
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 7be13f8..c8d7814 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -103,13 +103,16 @@ static int ksz9021rn_phy_fixup(struct phy_device *phydev)
{
if (IS_BUILTIN(CONFIG_PHYLIB)) {
/* min rx data delay */
- phy_write(phydev, 0x0b, 0x8105);
- phy_write(phydev, 0x0c, 0x0000);
+ phy_write(phydev, MICREL_KSZ9021_EXTREG_CTRL,
+ 0x8000 | MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW);
+ phy_write(phydev, MICREL_KSZ9021_EXTREG_DATA_WRITE, 0x0000);
/* max rx/tx clock delay, min rx/tx control delay */
- phy_write(phydev, 0x0b, 0x8104);
- phy_write(phydev, 0x0c, 0xf0f0);
- phy_write(phydev, 0x0b, 0x104);
+ phy_write(phydev, MICREL_KSZ9021_EXTREG_CTRL,
+ 0x8000 | MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW);
+ phy_write(phydev, MICREL_KSZ9021_EXTREG_DATA_WRITE, 0xf0f0);
+ phy_write(phydev, MICREL_KSZ9021_EXTREG_CTRL,
+ MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW);
}
return 0;
diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
index 8752dbb..ad05ce6 100644
--- a/include/linux/micrel_phy.h
+++ b/include/linux/micrel_phy.h
@@ -17,6 +17,7 @@
#define PHY_ID_KSZ8873MLL 0x000e7237
#define PHY_ID_KSZ9021 0x00221610
+#define PHY_ID_KSZ9021RLRN 0x00221611
#define PHY_ID_KS8737 0x00221720
#define PHY_ID_KSZ8021 0x00221555
#define PHY_ID_KSZ8031 0x00221556
@@ -35,4 +36,9 @@
/* struct phy_device dev_flags definitions */
#define MICREL_PHY_50MHZ_CLK 0x00000001
+#define MICREL_KSZ9021_EXTREG_CTRL 0xB
+#define MICREL_KSZ9021_EXTREG_DATA_WRITE 0xC
+#define MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW 0x104
+#define MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW 0x105
+
#endif /* _MICREL_PHY_H */
--
1.7.9.5
--
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