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ARM: QCA: Fast MDIO support for Aquantia port

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MDIO clock divider is set to 0x7 (counts to 8)
to produce 12.5MHz (100MHz/8) MDC frequency.

Change-Id: Ic7969aebf9fcbb14601ba8e56563959ab0b25657
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
This commit is contained in:
Gokul Sriram Palanisamy 2017-09-26 12:29:53 +05:30 • committed by Gerrit - the friendly Code Review server
parent c1264c6cc8
commit 0f0ae124bb
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ipq_common/ipq_mdio.h
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@ -27,8 +27,11 @@
#define MDIO_CTRL_4_ACCESS_CODE_C45_WRITE 1
#define MDIO_CTRL_4_ACCESS_CODE_C45_READ 2
#define CTRL_0_REG_DEFAULT_VALUE 0x1500F
#define CTRL_0_REG_C45_DEFAULT_VALUE 0x1510F
#ifdef MDIO_12_5_MHZ
#define CTRL_0_REG_C45_DEFAULT_VALUE 0x15107
#else
#define CTRL_0_REG_C45_DEFAULT_VALUE 0x1510F
#endif
#define IPQ_MDIO_RETRY 1000
#define IPQ_MDIO_DELAY 5
#endif /* End _IPQ_MDIO_H */