From f707dd81a38a8261020846906493f9de5fe924de Mon Sep 17 00:00:00 2001
From: David Shah <davey1576@gmail.com>
Date: Sun, 29 Jul 2018 19:19:12 +0200
Subject: [PATCH] ecp5_mainboard/power: Add startup/sequencing control

Signed-off-by: David Shah <davey1576@gmail.com>
---
 .../ecp5_mainboard/ecp5_mainboard-cache.lib   |  77 ++++
 hardware/ecp5_mainboard/power.sch             | 373 ++++++++++++++----
 2 files changed, 368 insertions(+), 82 deletions(-)

diff --git a/hardware/ecp5_mainboard/ecp5_mainboard-cache.lib b/hardware/ecp5_mainboard/ecp5_mainboard-cache.lib
index c1fe5f0..95eca7c 100644
--- a/hardware/ecp5_mainboard/ecp5_mainboard-cache.lib
+++ b/hardware/ecp5_mainboard/ecp5_mainboard-cache.lib
@@ -192,6 +192,42 @@ X A 2 150 0 100 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Device:R_Pack04
+#
+DEF Device:R_Pack04 RN 0 0 Y N 1 F N
+F0 "RN" -300 0 50 V V C CNN
+F1 "Device:R_Pack04" 200 0 50 V V C CNN
+F2 "" 275 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ DIP*
+ SOIC*
+$ENDFPLIST
+DRAW
+S -250 -95 150 95 0 1 10 f
+S -225 75 -175 -75 0 1 10 N
+S -125 75 -75 -75 0 1 10 N
+S -25 75 25 -75 0 1 10 N
+S 75 75 125 -75 0 1 10 N
+P 2 0 1 0 -200 -100 -200 -75 N
+P 2 0 1 0 -200 75 -200 100 N
+P 2 0 1 0 -100 -100 -100 -75 N
+P 2 0 1 0 -100 75 -100 100 N
+P 2 0 1 0 0 -100 0 -75 N
+P 2 0 1 0 0 75 0 100 N
+P 2 0 1 0 100 -100 100 -75 N
+P 2 0 1 0 100 75 100 100 N
+X R1.1 1 -200 -200 100 U 50 50 1 1 P
+X R2.1 2 -100 -200 100 U 50 50 1 1 P
+X R3.1 3 0 -200 100 U 50 50 1 1 P
+X R4.1 4 100 -200 100 U 50 50 1 1 P
+X R4.2 5 100 200 100 D 50 50 1 1 P
+X R3.2 6 0 200 100 D 50 50 1 1 P
+X R2.2 7 -100 200 100 D 50 50 1 1 P
+X R1.2 8 -200 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device:R_Small
 #
 DEF Device:R_Small R 0 10 N N 1 F N
@@ -209,6 +245,47 @@ X ~ 2 0 -100 30 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Power_Supervisor:LM3880
+#
+DEF Power_Supervisor:LM3880 U 0 20 Y Y 1 F N
+F0 "U" 50 350 50 H V C CNN
+F1 "Power_Supervisor:LM3880" 150 250 50 H V C CNN
+F2 "Package_TO_SOT_SMD:SOT-23-6" 650 -250 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SOT?23*
+$ENDFPLIST
+DRAW
+S -300 200 300 -200 0 1 10 f
+X VCC 1 0 300 100 D 50 50 1 1 W
+X GND 2 0 -300 100 U 50 50 1 1 W
+X EN 3 -400 0 100 R 50 50 1 1 I
+X FLAG3 4 400 -100 100 L 50 50 1 1 C
+X FLAG2 5 400 0 100 L 50 50 1 1 C
+X FLAG1 6 400 100 100 L 50 50 1 1 C
+ENDDRAW
+ENDDEF
+#
+# Power_Supervisor:MAX811MEUS-T
+#
+DEF Power_Supervisor:MAX811MEUS-T U 0 20 Y Y 1 F N
+F0 "U" -300 250 50 H V L CNN
+F1 "Power_Supervisor:MAX811MEUS-T" 50 250 50 H V L CNN
+F2 "Package_TO_SOT_SMD:SOT-143" 100 -300 50 H I L CNN
+F3 "" -350 -700 50 H I C CNN
+ALIAS MIC811MUY MIC811JUY MIC811TUY MIC811SUY MIC811RUY CAT811LTBI-GT3 CAT811MTBI-GT3 CAT811JTBI-GT3 CAT811TTBI-GT3 CAT811STBI-GT3 CAT811RTBI-GT3 CAT811ZTBI-GT3 MAX811LEUS-T MAX811MEUS-T MAX811TEUS-T MAX811SEUS-T MAX811REUS-T
+$FPLIST
+ SOT*143*
+$ENDFPLIST
+DRAW
+S -300 200 300 -200 0 1 10 f
+X GND 1 0 -300 100 U 50 50 1 1 W
+X ~RESET 2 400 0 100 L 50 50 1 1 O
+X ~MR 3 -400 0 100 R 50 50 1 1 I
+X VCC 4 0 300 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # Transistor_BJT:BC850
 #
 DEF Transistor_BJT:BC850 Q 0 0 Y N 1 F N
diff --git a/hardware/ecp5_mainboard/power.sch b/hardware/ecp5_mainboard/power.sch
index 6f8a63e..272c624 100644
--- a/hardware/ecp5_mainboard/power.sch
+++ b/hardware/ecp5_mainboard/power.sch
@@ -359,7 +359,6 @@ Wire Wire Line
 	5650 1900 8350 1900
 Wire Wire Line
 	8350 1900 8350 1800
-Connection ~ 5650 1900
 $Comp
 L Device:C_Small C?
 U 1 1 5B5F0113
@@ -380,7 +379,6 @@ Wire Wire Line
 	8800 1600 8800 1900
 Wire Wire Line
 	8800 1900 8350 1900
-Connection ~ 8350 1900
 $Comp
 L power:+5V #PWR?
 U 1 1 5B5F2065
@@ -762,59 +760,9 @@ NoConn ~ 4450 4100
 Wire Wire Line
 	4550 3100 4650 3100
 Connection ~ 4650 3100
-$Comp
-L Device:LED D?
-U 1 1 5B6B3110
-P 6200 3700
-F 0 "D?" V 6238 3582 50  0000 R CNN
-F 1 "GREEN" V 6147 3582 50  0000 R CNN
-F 2 "" H 6200 3700 50  0001 C CNN
-F 3 "~" H 6200 3700 50  0001 C CNN
-	1    6200 3700
-	0    -1   -1   0   
-$EndComp
-$Comp
-L power:+5V #PWR?
-U 1 1 5B6BD629
-P 6200 3100
-F 0 "#PWR?" H 6200 2950 50  0001 C CNN
-F 1 "+5V" H 6215 3273 50  0000 C CNN
-F 2 "" H 6200 3100 50  0001 C CNN
-F 3 "" H 6200 3100 50  0001 C CNN
-	1    6200 3100
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:R_Small R?
-U 1 1 5B6C292D
-P 6200 3350
-F 0 "R?" H 6259 3396 50  0000 L CNN
-F 1 "1.5k" H 6259 3305 50  0000 L CNN
-F 2 "" H 6200 3350 50  0001 C CNN
-F 3 "~" H 6200 3350 50  0001 C CNN
-	1    6200 3350
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	4650 3100 5250 3100
 NoConn ~ 4450 3900
-Wire Wire Line
-	6200 3550 6200 3450
-Wire Wire Line
-	6200 3250 6200 3100
-$Comp
-L power:GND #PWR?
-U 1 1 5B6E5356
-P 6200 3950
-F 0 "#PWR?" H 6200 3700 50  0001 C CNN
-F 1 "GND" H 6205 3777 50  0000 C CNN
-F 2 "" H 6200 3950 50  0001 C CNN
-F 3 "" H 6200 3950 50  0001 C CNN
-	1    6200 3950
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	6200 3950 6200 3850
 $Comp
 L Device:LED D?
 U 1 1 5B6EF446
@@ -2110,54 +2058,54 @@ Connection ~ 4800 6100
 $Comp
 L Device:C_Small C?
 U 1 1 5BA1BFC8
-P 4500 6300
-F 0 "C?" H 4592 6346 50  0000 L CNN
-F 1 "10µ" H 4592 6255 50  0000 L CNN
-F 2 "" H 4500 6300 50  0001 C CNN
-F 3 "~" H 4500 6300 50  0001 C CNN
-	1    4500 6300
+P 4550 6300
+F 0 "C?" H 4642 6346 50  0000 L CNN
+F 1 "10µ" H 4642 6255 50  0000 L CNN
+F 2 "" H 4550 6300 50  0001 C CNN
+F 3 "~" H 4550 6300 50  0001 C CNN
+	1    4550 6300
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C_Small C?
 U 1 1 5BA1C318
-P 4150 6300
-F 0 "C?" H 4242 6346 50  0000 L CNN
-F 1 "10µ" H 4242 6255 50  0000 L CNN
-F 2 "" H 4150 6300 50  0001 C CNN
-F 3 "~" H 4150 6300 50  0001 C CNN
-	1    4150 6300
+P 4300 6300
+F 0 "C?" H 4392 6346 50  0000 L CNN
+F 1 "10µ" H 4392 6255 50  0000 L CNN
+F 2 "" H 4300 6300 50  0001 C CNN
+F 3 "~" H 4300 6300 50  0001 C CNN
+	1    4300 6300
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4150 6200 4150 6100
+	4300 6200 4300 6100
 Wire Wire Line
-	4150 6100 4500 6100
+	4300 6100 4550 6100
 Wire Wire Line
-	4500 6100 4500 6200
-Connection ~ 4500 6100
+	4550 6100 4550 6200
+Connection ~ 4550 6100
 Wire Wire Line
-	4500 6100 4800 6100
+	4550 6100 4800 6100
 Wire Wire Line
-	4500 6400 4500 6550
+	4550 6400 4550 6550
 Wire Wire Line
-	4500 6550 4150 6550
+	4550 6550 4300 6550
 Wire Wire Line
-	4150 6400 4150 6550
+	4300 6400 4300 6550
 $Comp
 L power:GND #PWR?
 U 1 1 5BA80935
-P 4150 6600
-F 0 "#PWR?" H 4150 6350 50  0001 C CNN
-F 1 "GND" H 4155 6427 50  0000 C CNN
-F 2 "" H 4150 6600 50  0001 C CNN
-F 3 "" H 4150 6600 50  0001 C CNN
-	1    4150 6600
+P 4300 6600
+F 0 "#PWR?" H 4300 6350 50  0001 C CNN
+F 1 "GND" H 4305 6427 50  0000 C CNN
+F 2 "" H 4300 6600 50  0001 C CNN
+F 3 "" H 4300 6600 50  0001 C CNN
+	1    4300 6600
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4150 6600 4150 6550
-Connection ~ 4150 6550
+	4300 6600 4300 6550
+Connection ~ 4300 6550
 Wire Wire Line
 	5400 6500 5400 6400
 Wire Wire Line
@@ -2206,8 +2154,8 @@ Connection ~ 5300 6200
 Wire Wire Line
 	5300 6450 5300 6550
 Wire Wire Line
-	5300 6550 4500 6550
-Connection ~ 4500 6550
+	5300 6550 4550 6550
+Connection ~ 4550 6550
 Wire Wire Line
 	5500 6700 5050 6700
 Text Label 5050 6700 0    50   ~ 0
@@ -2934,4 +2882,265 @@ F 3 "" H 9750 9500 50  0001 C CNN
 	1    9750 9500
 	1    0    0    -1  
 $EndComp
+$Comp
+L Power_Supervisor:LM3880 U?
+U 1 1 5C5E9F9C
+P 2850 6400
+F 0 "U?" H 2500 6750 50  0000 C CNN
+F 1 "LM3880" H 2600 6650 50  0000 C CNN
+F 2 "Package_TO_SOT_SMD:SOT-23-6" H 3500 6150 50  0001 C CNN
+F 3 "http://www.ti.com/lit/ds/symlink/lm3880.pdf" H 2850 6400 50  0001 C CNN
+	1    2850 6400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5V #PWR?
+U 1 1 5C5EAB8E
+P 2850 5900
+F 0 "#PWR?" H 2850 5750 50  0001 C CNN
+F 1 "+5V" H 2865 6073 50  0000 C CNN
+F 2 "" H 2850 5900 50  0001 C CNN
+F 3 "" H 2850 5900 50  0001 C CNN
+	1    2850 5900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2850 5900 2850 6100
+$Comp
+L Power_Supervisor:MAX811MEUS-T U?
+U 1 1 5C622117
+P 950 6400
+F 0 "U?" H 1391 6446 50  0000 L CNN
+F 1 "MAX811MEUS-T" H 1300 6300 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-143" H 1050 6100 50  0001 L CNN
+F 3 "https://datasheets.maximintegrated.com/en/ds/MAX811-MAX812.pdf" H 600 5700 50  0001 C CNN
+	1    950  6400
+	1    0    0    -1  
+$EndComp
+Connection ~ 8350 1900
+Connection ~ 5650 1900
+Text Label 2150 6400 0    50   ~ 0
+PWR_EN
+$Comp
+L power:+5V #PWR?
+U 1 1 5C76EA47
+P 950 5950
+F 0 "#PWR?" H 950 5800 50  0001 C CNN
+F 1 "+5V" H 965 6123 50  0000 C CNN
+F 2 "" H 950 5950 50  0001 C CNN
+F 3 "" H 950 5950 50  0001 C CNN
+	1    950  5950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	950  5950 950  6100
+$Comp
+L power:GND #PWR?
+U 1 1 5C84DCBB
+P 950 6950
+F 0 "#PWR?" H 950 6700 50  0001 C CNN
+F 1 "GND" H 955 6777 50  0000 C CNN
+F 2 "" H 950 6950 50  0001 C CNN
+F 3 "" H 950 6950 50  0001 C CNN
+	1    950  6950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	950  6950 950  6700
+Wire Wire Line
+	1350 6400 1700 6400
+$Comp
+L Device:R_Small R?
+U 1 1 5C967669
+P 1700 5850
+F 0 "R?" H 1759 5896 50  0000 L CNN
+F 1 "1.5k" H 1759 5805 50  0000 L CNN
+F 2 "" H 1700 5850 50  0001 C CNN
+F 3 "~" H 1700 5850 50  0001 C CNN
+	1    1700 5850
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5V #PWR?
+U 1 1 5C9678E4
+P 1700 5650
+F 0 "#PWR?" H 1700 5500 50  0001 C CNN
+F 1 "+5V" H 1715 5823 50  0000 C CNN
+F 2 "" H 1700 5650 50  0001 C CNN
+F 3 "" H 1700 5650 50  0001 C CNN
+	1    1700 5650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1700 5650 1700 5700
+$Comp
+L Device:LED D?
+U 1 1 5C9A070B
+P 1700 6200
+F 0 "D?" V 1738 6082 50  0000 R CNN
+F 1 "RED" V 1647 6082 50  0000 R CNN
+F 2 "" H 1700 6200 50  0001 C CNN
+F 3 "~" H 1700 6200 50  0001 C CNN
+	1    1700 6200
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	1700 6050 1700 5950
+Wire Wire Line
+	1700 6350 1700 6400
+Connection ~ 1700 6400
+Wire Wire Line
+	1700 6400 2450 6400
+$Comp
+L Transistor_FET:2N7002 Q?
+U 1 1 5CA13599
+P 2000 7250
+F 0 "Q?" H 2205 7296 50  0000 L CNN
+F 1 "BSH111BKR" H 2205 7205 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 2200 7175 50  0001 L CIN
+F 3 "https://www.fairchildsemi.com/datasheets/2N/2N7002.pdf" H 2000 7250 50  0001 L CNN
+	1    2000 7250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1700 6400 1700 7250
+NoConn ~ 550  6400
+$Comp
+L power:GND #PWR?
+U 1 1 5CB70A92
+P 2100 7600
+F 0 "#PWR?" H 2100 7350 50  0001 C CNN
+F 1 "GND" H 2105 7427 50  0000 C CNN
+F 2 "" H 2100 7600 50  0001 C CNN
+F 3 "" H 2100 7600 50  0001 C CNN
+	1    2100 7600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2100 7600 2100 7450
+$Comp
+L Device:LED D?
+U 1 1 5CBAAE3A
+P 2100 6800
+F 0 "D?" V 2138 6682 50  0000 R CNN
+F 1 "GREEN" V 2047 6682 50  0000 R CNN
+F 2 "" H 2100 6800 50  0001 C CNN
+F 3 "~" H 2100 6800 50  0001 C CNN
+	1    2100 6800
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	2100 6950 2100 7050
+Wire Wire Line
+	1700 7250 1800 7250
+Wire Wire Line
+	2100 5700 1700 5700
+Connection ~ 1700 5700
+Wire Wire Line
+	1700 5700 1700 5750
+$Comp
+L Device:R_Small R?
+U 1 1 5CC9581F
+P 2100 5850
+F 0 "R?" H 2159 5896 50  0000 L CNN
+F 1 "1.5k" H 2159 5805 50  0000 L CNN
+F 2 "" H 2100 5850 50  0001 C CNN
+F 3 "~" H 2100 5850 50  0001 C CNN
+	1    2100 5850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2100 5750 2100 5700
+Wire Wire Line
+	2100 5950 2100 6650
+$Comp
+L power:GND #PWR?
+U 1 1 5CD0CADC
+P 2850 6950
+F 0 "#PWR?" H 2850 6700 50  0001 C CNN
+F 1 "GND" H 2855 6777 50  0000 C CNN
+F 2 "" H 2850 6950 50  0001 C CNN
+F 3 "" H 2850 6950 50  0001 C CNN
+	1    2850 6950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2850 6950 2850 6700
+Wire Wire Line
+	3250 6300 3300 6300
+Text Label 3950 6300 2    50   ~ 0
+1V2_EN
+Wire Wire Line
+	3250 6400 3400 6400
+Text Label 3950 6400 2    50   ~ 0
+3V3_EN
+Wire Wire Line
+	3250 6500 3500 6500
+Text Label 3950 6500 2    50   ~ 0
+2V5_EN
+Wire Wire Line
+	3400 6400 3400 6800
+Wire Wire Line
+	3400 6800 3800 6800
+Connection ~ 3400 6400
+Wire Wire Line
+	3400 6400 3950 6400
+Text Label 3800 6800 2    50   ~ 0
+1V8_EN
+Wire Wire Line
+	3800 6900 3400 6900
+Wire Wire Line
+	3400 6900 3400 6800
+Connection ~ 3400 6800
+Text Label 3800 6900 2    50   ~ 0
+1V35_EN
+$Comp
+L Device:R_Pack04 RN?
+U 1 1 5D0B2C04
+P 3500 6000
+F 0 "RN?" H 3688 6046 50  0000 L CNN
+F 1 "10k" H 3688 5955 50  0000 L CNN
+F 2 "" V 3775 6000 50  0001 C CNN
+F 3 "~" H 3500 6000 50  0001 C CNN
+	1    3500 6000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3300 6200 3300 6300
+Connection ~ 3300 6300
+Wire Wire Line
+	3300 6300 3950 6300
+Wire Wire Line
+	3400 6200 3400 6400
+Wire Wire Line
+	3500 6200 3500 6500
+Connection ~ 3500 6500
+Wire Wire Line
+	3500 6500 3950 6500
+NoConn ~ 3600 6200
+NoConn ~ 3600 5800
+$Comp
+L power:+5V #PWR?
+U 1 1 5D1F1862
+P 3400 5700
+F 0 "#PWR?" H 3400 5550 50  0001 C CNN
+F 1 "+5V" H 3415 5873 50  0000 C CNN
+F 2 "" H 3400 5700 50  0001 C CNN
+F 3 "" H 3400 5700 50  0001 C CNN
+	1    3400 5700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3400 5700 3400 5750
+Wire Wire Line
+	3400 5750 3300 5750
+Wire Wire Line
+	3300 5750 3300 5800
+Connection ~ 3400 5750
+Wire Wire Line
+	3400 5750 3400 5800
+Wire Wire Line
+	3400 5750 3500 5750
+Wire Wire Line
+	3500 5750 3500 5800
 $EndSCHEMATC