Commit 257d0be3 authored by Roger Quadros's avatar Roger Quadros Committed by Kishon Vijay Abraham I
Browse files

phy: ti: am654: add support for USB super-speed 



The SERDES PHY can support USB super-speed lane.
Add support for that.

Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200513131254.10497-3-rogerq@ti.com


Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 24dcb6a6

drivers/phy/ti/phy-am654-serdes.c

+101 −2
Original line number Diff line number Diff line
@@ -201,9 +201,91 @@ static int serdes_am654_power_off(struct phy *x) 
	return 0;

}



static int serdes_am654_init(struct phy *x)

#define SERDES_AM654_CFG(offset, a, b, val) \

	regmap_update_bits(phy->regmap, (offset),\

			   GENMASK((a), (b)), (val) << (b))



static int serdes_am654_usb3_init(struct serdes_am654 *phy)

{

	SERDES_AM654_CFG(0x0000, 31, 24, 0x17);

	SERDES_AM654_CFG(0x0004, 15, 8, 0x02);

	SERDES_AM654_CFG(0x0004, 7, 0, 0x0e);

	SERDES_AM654_CFG(0x0008, 23, 16, 0x2e);

	SERDES_AM654_CFG(0x0008, 31, 24, 0x2e);

	SERDES_AM654_CFG(0x0060, 7, 0, 0x4b);

	SERDES_AM654_CFG(0x0060, 15, 8, 0x98);

	SERDES_AM654_CFG(0x0060, 23, 16, 0x60);

	SERDES_AM654_CFG(0x00d0, 31, 24, 0x45);

	SERDES_AM654_CFG(0x00e8, 15, 8, 0x0e);

	SERDES_AM654_CFG(0x0220, 7, 0, 0x34);

	SERDES_AM654_CFG(0x0220, 15, 8, 0x34);

	SERDES_AM654_CFG(0x0220, 31, 24, 0x37);

	SERDES_AM654_CFG(0x0224, 7, 0, 0x37);

	SERDES_AM654_CFG(0x0224, 15, 8, 0x37);

	SERDES_AM654_CFG(0x0228, 23, 16, 0x37);

	SERDES_AM654_CFG(0x0228, 31, 24, 0x37);

	SERDES_AM654_CFG(0x022c, 7, 0, 0x37);

	SERDES_AM654_CFG(0x022c, 15, 8, 0x37);

	SERDES_AM654_CFG(0x0230, 15, 8, 0x2a);

	SERDES_AM654_CFG(0x0230, 23, 16, 0x2a);

	SERDES_AM654_CFG(0x0240, 23, 16, 0x10);

	SERDES_AM654_CFG(0x0240, 31, 24, 0x34);

	SERDES_AM654_CFG(0x0244, 7, 0, 0x40);

	SERDES_AM654_CFG(0x0244, 23, 16, 0x34);

	SERDES_AM654_CFG(0x0248, 15, 8, 0x0d);

	SERDES_AM654_CFG(0x0258, 15, 8, 0x16);

	SERDES_AM654_CFG(0x0258, 23, 16, 0x84);

	SERDES_AM654_CFG(0x0258, 31, 24, 0xf2);

	SERDES_AM654_CFG(0x025c, 7, 0, 0x21);

	SERDES_AM654_CFG(0x0260, 7, 0, 0x27);

	SERDES_AM654_CFG(0x0260, 15, 8, 0x04);

	SERDES_AM654_CFG(0x0268, 15, 8, 0x04);

	SERDES_AM654_CFG(0x0288, 15, 8, 0x2c);

	SERDES_AM654_CFG(0x0330, 31, 24, 0xa0);

	SERDES_AM654_CFG(0x0338, 23, 16, 0x03);

	SERDES_AM654_CFG(0x0338, 31, 24, 0x00);

	SERDES_AM654_CFG(0x033c, 7, 0, 0x00);

	SERDES_AM654_CFG(0x0344, 31, 24, 0x18);

	SERDES_AM654_CFG(0x034c, 7, 0, 0x18);

	SERDES_AM654_CFG(0x039c, 23, 16, 0x3b);

	SERDES_AM654_CFG(0x0a04, 7, 0, 0x03);

	SERDES_AM654_CFG(0x0a14, 31, 24, 0x3c);

	SERDES_AM654_CFG(0x0a18, 15, 8, 0x3c);

	SERDES_AM654_CFG(0x0a38, 7, 0, 0x3e);

	SERDES_AM654_CFG(0x0a38, 15, 8, 0x3e);

	SERDES_AM654_CFG(0x0ae0, 7, 0, 0x07);

	SERDES_AM654_CFG(0x0b6c, 23, 16, 0xcd);

	SERDES_AM654_CFG(0x0b6c, 31, 24, 0x04);

	SERDES_AM654_CFG(0x0b98, 23, 16, 0x03);

	SERDES_AM654_CFG(0x1400, 7, 0, 0x3f);

	SERDES_AM654_CFG(0x1404, 23, 16, 0x6f);

	SERDES_AM654_CFG(0x1404, 31, 24, 0x6f);

	SERDES_AM654_CFG(0x140c, 7, 0, 0x6f);

	SERDES_AM654_CFG(0x140c, 15, 8, 0x6f);

	SERDES_AM654_CFG(0x1410, 15, 8, 0x27);

	SERDES_AM654_CFG(0x1414, 7, 0, 0x0c);

	SERDES_AM654_CFG(0x1414, 23, 16, 0x07);

	SERDES_AM654_CFG(0x1418, 23, 16, 0x40);

	SERDES_AM654_CFG(0x141c, 7, 0, 0x00);

	SERDES_AM654_CFG(0x141c, 15, 8, 0x1f);

	SERDES_AM654_CFG(0x1428, 31, 24, 0x08);

	SERDES_AM654_CFG(0x1434, 31, 24, 0x00);

	SERDES_AM654_CFG(0x1444, 7, 0, 0x94);

	SERDES_AM654_CFG(0x1460, 31, 24, 0x7f);

	SERDES_AM654_CFG(0x1464, 7, 0, 0x43);

	SERDES_AM654_CFG(0x1464, 23, 16, 0x6f);

	SERDES_AM654_CFG(0x1464, 31, 24, 0x43);

	SERDES_AM654_CFG(0x1484, 23, 16, 0x8f);

	SERDES_AM654_CFG(0x1498, 7, 0, 0x4f);

	SERDES_AM654_CFG(0x1498, 23, 16, 0x4f);

	SERDES_AM654_CFG(0x007c, 31, 24, 0x0d);

	SERDES_AM654_CFG(0x0b90, 15, 8, 0x0f);



	return 0;

}



static int serdes_am654_pcie_init(struct serdes_am654 *phy)

{

	struct serdes_am654 *phy = phy_get_drvdata(x);

	int ret;



	ret = regmap_field_write(phy->config_version, VERSION);
@@ -221,11 +303,28 @@ static int serdes_am654_init(struct phy *x) 
	return 0;

}



static int serdes_am654_init(struct phy *x)

{

	struct serdes_am654 *phy = phy_get_drvdata(x);



	switch (phy->type) {

	case PHY_TYPE_PCIE:

		return serdes_am654_pcie_init(phy);

	case PHY_TYPE_USB3:

		return serdes_am654_usb3_init(phy);

	default:

		return -EINVAL;

	}

}



static int serdes_am654_reset(struct phy *x)

{

	struct serdes_am654 *phy = phy_get_drvdata(x);

	int ret;



	serdes_am654_disable_pll(phy);

	serdes_am654_disable_txrx(phy);



	ret = regmap_field_write(phy->por_en, 0x1);

	if (ret)

		return ret;

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