From 257d0be3f04019fa013eac503a8c752f0d4d12d7 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Wed, 13 May 2020 16:12:54 +0300 Subject: 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: Roger Quadros Link: https://lore.kernel.org/r/20200513131254.10497-3-rogerq@ti.com Signed-off-by: Kishon Vijay Abraham I --- drivers/phy/ti/phy-am654-serdes.c | 103 +++++++++++++++++++++++++++++++++++++- 1 file changed, 101 insertions(+), 2 deletions(-) (limited to 'drivers/phy/ti') diff --git a/drivers/phy/ti/phy-am654-serdes.c b/drivers/phy/ti/phy-am654-serdes.c index 29e34d29895a..0a166d5a6414 100644 --- a/drivers/phy/ti/phy-am654-serdes.c +++ b/drivers/phy/ti/phy-am654-serdes.c @@ -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; -- cgit v1.2.3