[PATCH 2/2] reset: spacemit: k3: fix USB2 ahb reset
Yixun Lan
dlan at kernel.org
Sun May 17 19:58:37 PDT 2026
According to SpacemiT K3's updated docs, the USB2 ahb reset and USB2 bus
clock enable bit was wrongly swapped, the correct one should be:
Register : APMU_USB_CLK_RES_CTRL
bit[1] : usb2_port_bus_clk_en
bit[0] : usb2_port_ahb_rstn
Fixes: a0e0c2f8c5f3 ("reset: spacemit: k3: Decouple composite reset lines")
Reported-by: Junzhong Pan <panjunzhong at linux.spacemit.com>
Signed-off-by: Yixun Lan <dlan at kernel.org>
---
drivers/reset/spacemit/reset-spacemit-k3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/reset/spacemit/reset-spacemit-k3.c b/drivers/reset/spacemit/reset-spacemit-k3.c
index 9841f5e057b2..2e87f320cf11 100644
--- a/drivers/reset/spacemit/reset-spacemit-k3.c
+++ b/drivers/reset/spacemit/reset-spacemit-k3.c
@@ -112,7 +112,7 @@ static const struct ccu_reset_data k3_apmu_resets[] = {
[RESET_APMU_SDH0] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(1)),
[RESET_APMU_SDH1] = RESET_DATA(APMU_SDH1_CLK_RES_CTRL, 0, BIT(1)),
[RESET_APMU_SDH2] = RESET_DATA(APMU_SDH2_CLK_RES_CTRL, 0, BIT(1)),
- [RESET_APMU_USB2_AHB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(1)),
+ [RESET_APMU_USB2_AHB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(0)),
[RESET_APMU_USB2_VCC] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(2)),
[RESET_APMU_USB2_PHY] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(3)),
[RESET_APMU_USB3_A_AHB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(5)),
--
2.54.0
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