From be12952fc4681ce4c82e8a3d42602337747e4eee Mon Sep 17 00:00:00 2001
From: Oleksij Rempel <linux@rempel-privat.de>
Date: Sun, 14 Jul 2013 12:54:18 -0700
Subject: [PATCH] Updated usb regs (markdown)

---
 usb-regs.md | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/usb-regs.md b/usb-regs.md
index 618eca8..4cd90a3 100644
--- a/usb-regs.md
+++ b/usb-regs.md
@@ -90,14 +90,42 @@ USB IN FIFO
 # 0x18 ZM_INTR_MASK_BYTE_7_OFFSET
 
 # 0x20 ZM_INTR_GROUP_OFFSET
+* BIT7 - group INTR 7
+* BIT6 - group INTR 6
+* BIT5 - group INTR 5
+* BIT4 - group INTR 4
+* BIT3 - group INTR 3
+* BIT2 - group INTR 2
+* BIT1 - group INTR 1
+* BIT0 - group INTR 0
+These bits indicate if fallowing groups got some interrupt.
+
 # 0x21 ZM_INTR_SOURCE_0_OFFSET
+* BIT7 - abort interrupt? should be cleared first?
+* BIT6 -
+* BIT5 - 
+* BIT4 - ep0 CMD_FAIL
+* BIT3 - ep0 CMD_END
+* BIT2 - USB EP0 OUT/rx interrupt
+* BIT1 - USB EP0 IN/tx interrupt
+* BIT0 - ep0 SETUP
+
 # 0x22 ZM_INTR_SOURCE_1_OFFSET
 # 0x23 ZM_INTR_SOURCE_2_OFFSET
 # 0x24 ZM_INTR_SOURCE_3_OFFSET
 # 0x25 ZM_INTR_SOURCE_4_OFFSET
 # 0x26 ZM_INTR_SOURCE_5_OFFSET
 # 0x27 ZM_INTR_SOURCE_6_OFFSET
+
 # 0x28 ZM_INTR_SOURCE_7_OFFSET
+* BIT7
+* BIT6
+* BIT5
+* BIT4
+* BIT3
+* BIT2
+* BIT1 - USB reset interrupt.
+* BIT0
 
 # 0x3F ZM_EP_IN_MAX_SIZE_HIGH_OFFSET
 # 0x3E ZM_EP_IN_MAX_SIZE_LOW_OFFSET
-- 
2.25.1