[PATCH 1/7] phy: ti: phy-j721e-wiz: Add SGMII support in wiz driver for J7200

Roger Quadros
2022-06-28T12:23:24Z

From: Siddharth Vadapalli <s-vadapalli@ti.com>

Select the same mac divider for SGMII too as the one being used for
QSGMII.

Enable full rate divider configuration support for J721E_WIZ_10G for
SGMII.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
drivers/phy/ti/phy-j721e-wiz.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c
index 70bac931f99a..8c10ee8e2707 100644
--- a/drivers/phy/ti/phy-j721e-wiz.c
+++ b/drivers/phy/ti/phy-j721e-wiz.c
@@ -325,7 +325,8 @@ static int wiz_p_mac_div_sel(struct wiz *wiz)
int i;

for (i = 0; i < num_lanes; i++) {
- if (wiz->lane_phy_type[i] == PHY_TYPE_QSGMII) {
+ if (wiz->lane_phy_type[i] == PHY_TYPE_SGMII ||
+ wiz->lane_phy_type[i] == PHY_TYPE_QSGMII) {
ret = regmap_field_write(wiz->p_mac_div_sel0[i], 1);
if (ret)
return ret;
@@ -1025,12 +1026,18 @@ static int wiz_phy_reset_assert(struct reset_controller_dev *rcdev,

static int wiz_phy_fullrt_div(struct wiz *wiz, int lane)
{
- if (wiz->type != AM64_WIZ_10G)
+ switch (wiz->type) {
+ case AM64_WIZ_10G:
+ if (wiz->lane_phy_type[lane] == PHY_TYPE_PCIE)
+ return regmap_field_write(wiz->p0_fullrt_div[lane], 0x1);
+ break;
+ case J721E_WIZ_10G:
+ if (wiz->lane_phy_type[lane] == PHY_TYPE_SGMII)
+ return regmap_field_write(wiz->p0_fullrt_div[lane], 0x2);
+ break;
+ default:
return 0;
-
- if (wiz->lane_phy_type[lane] == PHY_TYPE_PCIE)
- return regmap_field_write(wiz->p0_fullrt_div[lane], 0x1);
-
+ }
return 0;
}

--
2.17.1