[PATCH v3 4/7] phy: phy-mtk-tphy: disable hardware efuse when set INTR

Chunfeng Yun
2022-09-14T06:08:25Z

INTR's value is able autoload from hardware efuse by default, when
software tries to update its value, should disable hardware efuse
firstly.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v3: add reviewed-by: AngeloGioacchino
v2: no changes
---
drivers/phy/mediatek/phy-mtk-tphy.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 986fde0f63a0..7f40b8b052bd 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -874,9 +874,14 @@ static void u2_phy_props_set(struct mtk_tphy *tphy,
mtk_phy_update_bits(com + U3P_USBPHYACR1, PA1_RG_TERM_SEL,
PA1_RG_TERM_SEL_VAL(instance->eye_term));

- if (instance->intr)
+ if (instance->intr) {
+ if (u2_banks->misc)
+ mtk_phy_set_bits(u2_banks->misc + U3P_MISC_REG1,
+ MR1_EFUSE_AUTO_LOAD_DIS);
+
mtk_phy_update_bits(com + U3P_USBPHYACR1, PA1_RG_INTR_CAL,
PA1_RG_INTR_CAL_VAL(instance->intr));
+ }

if (instance->discth)
mtk_phy_update_bits(com + U3P_USBPHYACR6, PA6_RG_U2_DISCTH,
--
2.18.0