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| author | Alejandro Sierra <alejandro.sierra@nxp.com> | 2016-09-26 14:42:20 -0500 |
|---|---|---|
| committer | Juan Gutierrez <juan.gutierrez@nxp.com> | 2016-11-04 17:30:08 -0500 |
| commit | cca5655022a335d4ee26961e2e49589759215beb (patch) | |
| tree | a791915349dd879fc193f5173661f0fed2c80b98 | |
| parent | f5cc2b9bc749032bba0f4a3b6c2a669c8149bee4 (diff) | |
MLK-13281 ARM: imx: add micrel phy init for 6sxscm evb board
Add Micrel phy initialization for imx6sxscm evb platform
Signed-off-by: Alejandro Sierra <alejandro.sierra@nxp.com>
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6sx.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6sx.c b/arch/arm/mach-imx/mach-imx6sx.c index 36f27582c0bb..bda96392e38b 100644 --- a/arch/arm/mach-imx/mach-imx6sx.c +++ b/arch/arm/mach-imx/mach-imx6sx.c @@ -14,9 +14,30 @@ #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <linux/micrel_phy.h> #include "common.h" #include "cpuidle.h" +static void mmd_write_reg(struct phy_device *dev, int device, int reg, int val) +{ + phy_write(dev, 0x0d, device); + phy_write(dev, 0x0e, reg); + phy_write(dev, 0x0d, (1 << 14) | device); + phy_write(dev, 0x0e, val); +} + +static int ksz9031rn_phy_fixup(struct phy_device *dev) +{ + /* + * min rx data delay, max rx/tx clock delay, + * min rx/tx control delay + */ + mmd_write_reg(dev, 2, 4, 0); + mmd_write_reg(dev, 2, 5, 0); + mmd_write_reg(dev, 2, 8, 0x003ff); + + return 0; +} static int ar8031_phy_fixup(struct phy_device *dev) { @@ -47,6 +68,8 @@ static int ar8031_phy_fixup(struct phy_device *dev) static void __init imx6sx_enet_phy_init(void) { if (IS_BUILTIN(CONFIG_PHYLIB)) + phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK, + ksz9031rn_phy_fixup); phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff, ar8031_phy_fixup); } |