diff options
| author | Dinh Nguyen <dinguyen@altera.com> | 2013-08-13 09:59:00 -0500 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-08-22 23:20:54 +0800 |
| commit | dc76a1adfa12ad11957bdeec565dbccf37205d04 (patch) | |
| tree | bb3426a6048c610dc738c988a534e761b8107365 | |
| parent | 7e463b7c1bd85e33dc2322b131f68d78a242c1e3 (diff) | |
| download | linux-stable-dc76a1adfa12ad11957bdeec565dbccf37205d04.tar.gz linux-stable-dc76a1adfa12ad11957bdeec565dbccf37205d04.tar.bz2 linux-stable-dc76a1adfa12ad11957bdeec565dbccf37205d04.zip | |
phy: micrel: Add definitions for common Micrel PHY registers
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@altera.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: David S. Miller <davem@davemloft.net>
CC: Andrew Victor <linux@maxim.org.za>
CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
| -rw-r--r-- | arch/arm/mach-at91/board-dt-sama5.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 13 | ||||
| -rw-r--r-- | 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 ad95f6a23a28..bf00d15d954d 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 c730af673085..1e093abe7b95 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 8752dbbc6135..ad05ce60c1c9 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 */ |