[PATCH 1/2] dt-bindings: soc: spacemit: k3: Decouple composite reset lines
From: Yixun Lan
Date: Thu Mar 12 2026 - 06:35:00 EST
Instead of grouping several different reset lines into one composite
reset, decouple them to individual ones which make it more aligned
with underlying hardware.
The DWC3 USB host controller in K3 SoC has three reset lines - AHB, VCC,
PHY. The PCIe controller also has three reset lines - DBI, Slave, Master.
Signed-off-by: Yixun Lan <dlan@xxxxxxxxxx>
---
include/dt-bindings/reset/spacemit,k3-resets.h | 42 ++++++++++++++++++++------
1 file changed, 32 insertions(+), 10 deletions(-)
diff --git a/include/dt-bindings/reset/spacemit,k3-resets.h b/include/dt-bindings/reset/spacemit,k3-resets.h
index 79ac1c22b7b5..c12f8bd32047 100644
--- a/include/dt-bindings/reset/spacemit,k3-resets.h
+++ b/include/dt-bindings/reset/spacemit,k3-resets.h
@@ -97,11 +97,7 @@
#define RESET_APMU_SDH0 13
#define RESET_APMU_SDH1 14
#define RESET_APMU_SDH2 15
-#define RESET_APMU_USB2 16
-#define RESET_APMU_USB3_PORTA 17
-#define RESET_APMU_USB3_PORTB 18
-#define RESET_APMU_USB3_PORTC 19
-#define RESET_APMU_USB3_PORTD 20
+/* Deprecated USB 16 - 20 */
#define RESET_APMU_QSPI 21
#define RESET_APMU_QSPI_BUS 22
#define RESET_APMU_DMA 23
@@ -143,16 +139,42 @@
#define RESET_APMU_UFS_ACLK 59
#define RESET_APMU_EDP0 60
#define RESET_APMU_EDP1 61
-#define RESET_APMU_PCIE_PORTA 62
-#define RESET_APMU_PCIE_PORTB 63
-#define RESET_APMU_PCIE_PORTC 64
-#define RESET_APMU_PCIE_PORTD 65
-#define RESET_APMU_PCIE_PORTE 66
+/* Deprecated PCIe 62 - 66 */
#define RESET_APMU_EMAC0 67
#define RESET_APMU_EMAC1 68
#define RESET_APMU_EMAC2 69
#define RESET_APMU_ESPI_MCLK 70
#define RESET_APMU_ESPI_SCLK 71
+#define RESET_APMU_USB2_AHB 72
+#define RESET_APMU_USB2_VCC 73
+#define RESET_APMU_USB2_PHY 74
+#define RESET_APMU_USB3_A_AHB 75
+#define RESET_APMU_USB3_A_VCC 76
+#define RESET_APMU_USB3_A_PHY 77
+#define RESET_APMU_USB3_B_AHB 78
+#define RESET_APMU_USB3_B_VCC 79
+#define RESET_APMU_USB3_B_PHY 80
+#define RESET_APMU_USB3_C_AHB 81
+#define RESET_APMU_USB3_C_VCC 82
+#define RESET_APMU_USB3_C_PHY 83
+#define RESET_APMU_USB3_D_AHB 84
+#define RESET_APMU_USB3_D_VCC 85
+#define RESET_APMU_USB3_D_PHY 86
+#define RESET_APMU_PCIE_A_DBI 87
+#define RESET_APMU_PCIE_A_SLAVE 88
+#define RESET_APMU_PCIE_A_MASTER 89
+#define RESET_APMU_PCIE_B_DBI 90
+#define RESET_APMU_PCIE_B_SLAVE 91
+#define RESET_APMU_PCIE_B_MASTER 92
+#define RESET_APMU_PCIE_C_DBI 93
+#define RESET_APMU_PCIE_C_SLAVE 94
+#define RESET_APMU_PCIE_C_MASTER 95
+#define RESET_APMU_PCIE_D_DBI 96
+#define RESET_APMU_PCIE_D_SLAVE 97
+#define RESET_APMU_PCIE_D_MASTER 98
+#define RESET_APMU_PCIE_E_DBI 99
+#define RESET_APMU_PCIE_E_SLAVE 100
+#define RESET_APMU_PCIE_E_MASTER 101
/* DCIU resets*/
#define RESET_DCIU_HDMA 0
--
2.53.0