soc: keystone_serdes: generalize to be used by other sub systems

SerDes driver is used by other sub systems like PCI, sRIO etc.
So modify it to be more general. The SerDes driver provides common
API's that can also be extended for other peripherals SerDes
configurations.

Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>

1 files changed, 41 insertions, 1 deletions

diff --git a/arch/arm/include/asm/ti-common/keystone_serdes.h b/arch/arm/include/asm/ti-common/keystone_serdes.h
index 2e12b05d05..2e92411404 100644
--- a/arch/arm/include/asm/ti-common/keystone_serdes.h
+++ b/arch/arm/include/asm/ti-common/keystone_serdes.h
@@ -10,6 +10,46 @@
 #ifndef __TI_KEYSTONE_SERDES_H__
 #define __TI_KEYSTONE_SERDES_H__
 
-void ks2_serdes_sgmii_156p25mhz_setup(void);
+/* SERDES Reference clock */
+enum ks2_serdes_clock {
+	SERDES_CLOCK_100M,		/* 100 MHz */
+	SERDES_CLOCK_122P88M,		/* 122.88 MHz */
+	SERDES_CLOCK_125M,		/* 125 MHz */
+	SERDES_CLOCK_156P25M,		/* 156.25 MHz */
+	SERDES_CLOCK_312P5M,		/* 312.5 MHz */
+};
+
+/* SERDES Lane Baud Rate */
+enum ks2_serdes_rate {
+	SERDES_RATE_4P9152G,		/* 4.9152 GBaud */
+	SERDES_RATE_5G,			/* 5 GBaud */
+	SERDES_RATE_6P144G,		/* 6.144 GBaud */
+	SERDES_RATE_6P25G,		/* 6.25 GBaud */
+	SERDES_RATE_10p3125g,		/* 10.3215 GBaud */
+	SERDES_RATE_12p5g,		/* 12.5 GBaud */
+};
+
+/* SERDES Lane Rate Mode */
+enum ks2_serdes_rate_mode {
+	SERDES_FULL_RATE,
+	SERDES_HALF_RATE,
+	SERDES_QUARTER_RATE,
+};
+
+/* SERDES PHY TYPE */
+enum ks2_serdes_interface {
+	SERDES_PHY_SGMII,
+	SERDES_PHY_PCSR,		/* XGE SERDES */
+};
+
+struct ks2_serdes {
+	enum ks2_serdes_clock clk;
+	enum ks2_serdes_rate rate;
+	enum ks2_serdes_rate_mode rate_mode;
+	enum ks2_serdes_interface intf;
+	u32 loopback;
+};
+
+int ks2_serdes_init(u32 base, struct ks2_serdes *serdes, u32 num_lanes);
 
 #endif /* __TI_KEYSTONE_SERDES_H__ */