@@ -9,9 +9,20 @@ title: Nuvoton NPCM Reset controller
 maintainers:
   - Tomer Maimon <tmaimon77@gmail.com>
 
+description: |
+  The NPCM reset controller used to reset various set of peripherals. 
+  Please refer to reset.txt in this directory for common reset
+  controller binding usage.
+
+  For list of all valid reset indices see
+    <dt-bindings/reset/nuvoton,npcm7xx-reset.h> for Poleg NPCM7XX SoC,
+    <dt-bindings/reset/nuvoton,npcm8xx-reset.h> for Arbel NPCM8XX SoC.
+
 properties:
   compatible:
-    const: nuvoton,npcm750-reset
+    enum: 
+      - nuvoton,npcm750-reset        # Poleg NPCM7XX SoC
+      - nuvoton,npcm845-reset        # Arbel NPCM8XX SoC
 
   reg:
     maxItems: 1

@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2022 Nuvoton Technology corporation.
+ * Author: Tomer Maimon <tmaimon77@gmail.com>
+ */
+
+#ifndef _DT_BINDINGS_NPCM8XX_RESET_H
+#define _DT_BINDINGS_NPCM8XX_RESET_H
+
+/* represent reset register offset */
+#define NPCM8XX_RESET_IPSRST1		0x20
+#define NPCM8XX_RESET_IPSRST2		0x24
+#define NPCM8XX_RESET_IPSRST3		0x34
+#define NPCM8XX_RESET_IPSRST4		0x74
+
+/* Reset lines on IP1 reset module (NPCM8XX_RESET_IPSRST1) */
+#define NPCM8XX_RESET_GDMA0		3
+#define NPCM8XX_RESET_UDC1		5
+#define NPCM8XX_RESET_GMAC3		6
+#define NPCM8XX_RESET_UART_2_3		7
+#define NPCM8XX_RESET_UDC2		8
+#define NPCM8XX_RESET_PECI		9
+#define NPCM8XX_RESET_AES		10
+#define NPCM8XX_RESET_UART_0_1		11
+#define NPCM8XX_RESET_MC		12
+#define NPCM8XX_RESET_SMB2		13
+#define NPCM8XX_RESET_SMB3		14
+#define NPCM8XX_RESET_SMB4		15
+#define NPCM8XX_RESET_SMB5		16
+#define NPCM8XX_RESET_PWM_M0		18
+#define NPCM8XX_RESET_TIMER_0_4		19
+#define NPCM8XX_RESET_TIMER_5_9		20
+#define NPCM8XX_RESET_GMAC4		21
+#define NPCM8XX_RESET_UDC4		22
+#define NPCM8XX_RESET_UDC5		23
+#define NPCM8XX_RESET_UDC6		24
+#define NPCM8XX_RESET_UDC3		25
+#define NPCM8XX_RESET_ADC		27
+#define NPCM8XX_RESET_SMB6		28
+#define NPCM8XX_RESET_SMB7		29
+#define NPCM8XX_RESET_SMB0		30
+#define NPCM8XX_RESET_SMB1		31
+
+/* Reset lines on IP2 reset module (NPCM8XX_RESET_IPSRST2) */
+#define NPCM8XX_RESET_MFT0		0
+#define NPCM8XX_RESET_MFT1		1
+#define NPCM8XX_RESET_MFT2		2
+#define NPCM8XX_RESET_MFT3		3
+#define NPCM8XX_RESET_MFT4		4
+#define NPCM8XX_RESET_MFT5		5
+#define NPCM8XX_RESET_MFT6		6
+#define NPCM8XX_RESET_MFT7		7
+#define NPCM8XX_RESET_MMC		8
+#define NPCM8XX_RESET_GFX_SYS		10
+#define NPCM8XX_RESET_AHB_PCIBRG	11
+#define NPCM8XX_RESET_VDMA		12
+#define NPCM8XX_RESET_ECE		13
+#define NPCM8XX_RESET_VCD		14
+#define NPCM8XX_RESET_VIRUART1		16
+#define NPCM8XX_RESET_VIRUART2		17
+#define NPCM8XX_RESET_SIOX1		18
+#define NPCM8XX_RESET_SIOX2		19
+#define NPCM8XX_RESET_BT		20
+#define NPCM8XX_RESET_3DES		21
+#define NPCM8XX_RESET_PSPI2		23
+#define NPCM8XX_RESET_GMAC2		25
+#define NPCM8XX_RESET_USBH1		26
+#define NPCM8XX_RESET_GMAC1		28
+#define NPCM8XX_RESET_CP1		31
+
+/* Reset lines on IP3 reset module (NPCM8XX_RESET_IPSRST3) */
+#define NPCM8XX_RESET_PWM_M1		0
+#define NPCM8XX_RESET_SMB12		1
+#define NPCM8XX_RESET_SPIX		2
+#define NPCM8XX_RESET_SMB13		3
+#define NPCM8XX_RESET_UDC0		4
+#define NPCM8XX_RESET_UDC7		5
+#define NPCM8XX_RESET_UDC8		6
+#define NPCM8XX_RESET_UDC9		7
+#define NPCM8XX_RESET_USBHUB		8
+#define NPCM8XX_RESET_PCI_MAILBOX	9
+#define NPCM8XX_RESET_GDMA1		10
+#define NPCM8XX_RESET_GDMA2		11
+#define NPCM8XX_RESET_SMB14		12
+#define NPCM8XX_RESET_SHA		13
+#define NPCM8XX_RESET_SEC_ECC		14
+#define NPCM8XX_RESET_PCIE_RC		15
+#define NPCM8XX_RESET_TIMER_10_14	16
+#define NPCM8XX_RESET_RNG		17
+#define NPCM8XX_RESET_SMB15		18
+#define NPCM8XX_RESET_SMB8		19
+#define NPCM8XX_RESET_SMB9		20
+#define NPCM8XX_RESET_SMB10		21
+#define NPCM8XX_RESET_SMB11		22
+#define NPCM8XX_RESET_ESPI		23
+#define NPCM8XX_RESET_USB_PHY_1		24
+#define NPCM8XX_RESET_USB_PHY_2		25
+
+/* Reset lines on IP4 reset module (NPCM8XX_RESET_IPSRST4) */
+#define NPCM8XX_RESET_SMB16		0
+#define NPCM8XX_RESET_SMB17		1
+#define NPCM8XX_RESET_SMB18		2
+#define NPCM8XX_RESET_SMB19		3
+#define NPCM8XX_RESET_SMB20		4
+#define NPCM8XX_RESET_SMB21		5
+#define NPCM8XX_RESET_SMB22		6
+#define NPCM8XX_RESET_SMB23		7
+#define NPCM8XX_RESET_I3C0		8
+#define NPCM8XX_RESET_I3C1		9
+#define NPCM8XX_RESET_I3C2		10
+#define NPCM8XX_RESET_I3C3		11
+#define NPCM8XX_RESET_I3C4		12
+#define NPCM8XX_RESET_I3C5		13
+#define NPCM8XX_RESET_UART4		16
+#define NPCM8XX_RESET_UART5		17
+#define NPCM8XX_RESET_UART6		18
+#define NPCM8XX_RESET_PCIMBX2		19
+#define NPCM8XX_RESET_SMB24		22
+#define NPCM8XX_RESET_SMB25		23
+#define NPCM8XX_RESET_SMB26		24
+#define NPCM8XX_RESET_USBPHY3		25
+#define NPCM8XX_RESET_PCIRCPHY		27
+#define NPCM8XX_RESET_PWM_M2		28
+#define NPCM8XX_RESET_JTM1		29
+#define NPCM8XX_RESET_JTM2		30
+#define NPCM8XX_RESET_USBH2		31
+
+#endif