1 Kernel driver mc13783-adc 1 Kernel driver mc13783-adc
2 ========================= 2 =========================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Freescale MC13783 6 * Freescale MC13783
7 7
8 Prefix: 'mc13783' 8 Prefix: 'mc13783'
9 9
10 Datasheet: https://www.nxp.com/docs/en/dat 10 Datasheet: https://www.nxp.com/docs/en/data-sheet/MC13783.pdf
11 11
12 * Freescale MC13892 12 * Freescale MC13892
13 13
14 Prefix: 'mc13892' 14 Prefix: 'mc13892'
15 15
16 Datasheet: https://www.nxp.com/docs/en/dat 16 Datasheet: https://www.nxp.com/docs/en/data-sheet/MC13892.pdf
17 17
18 18
19 19
20 Authors: 20 Authors:
21 21
22 - Sascha Hauer <s.hauer@pengutronix.de> 22 - Sascha Hauer <s.hauer@pengutronix.de>
23 - Luotao Fu <l.fu@pengutronix.de> 23 - Luotao Fu <l.fu@pengutronix.de>
24 24
25 Description 25 Description
26 ----------- 26 -----------
27 27
28 The Freescale MC13783 and MC13892 are Power Ma 28 The Freescale MC13783 and MC13892 are Power Management and Audio Circuits.
29 Among other things they contain a 10-bit A/D c 29 Among other things they contain a 10-bit A/D converter. The converter has 16
30 (MC13783) resp. 12 (MC13892) channels which ca 30 (MC13783) resp. 12 (MC13892) channels which can be used in different modes. The
31 A/D converter has a resolution of 2.25mV. 31 A/D converter has a resolution of 2.25mV.
32 32
33 Some channels can be used as General Purpose i 33 Some channels can be used as General Purpose inputs or in a dedicated mode with
34 a chip internal scaling applied . 34 a chip internal scaling applied .
35 35
36 Currently the driver only supports the Applica 36 Currently the driver only supports the Application Supply channel (BP / BPSNS),
37 the General Purpose inputs and touchscreen. 37 the General Purpose inputs and touchscreen.
38 38
39 See the following tables for the meaning of th 39 See the following tables for the meaning of the different channels and their
40 chip internal scaling: 40 chip internal scaling:
41 41
42 - MC13783: 42 - MC13783:
43 43
44 ======= ====================================== 44 ======= =============================================== =============== =======
45 Channel Signal 45 Channel Signal Input Range Scaling
46 ======= ====================================== 46 ======= =============================================== =============== =======
47 0 Battery Voltage (BATT) 47 0 Battery Voltage (BATT) 2.50 - 4.65V -2.40V
48 1 Battery Current (BATT - BATTISNS) 48 1 Battery Current (BATT - BATTISNS) -50 - 50 mV x20
49 2 Application Supply (BP) 49 2 Application Supply (BP) 2.50 - 4.65V -2.40V
50 3 Charger Voltage (CHRGRAW) 50 3 Charger Voltage (CHRGRAW) 0 - 10V / /5
51 51 0 - 20V /10
52 4 Charger Current (CHRGISNSP-CHRGISNSN) 52 4 Charger Current (CHRGISNSP-CHRGISNSN) -0.25 - 0.25V x4
53 5 General Purpose ADIN5 / Battery Pack T 53 5 General Purpose ADIN5 / Battery Pack Thermistor 0 - 2.30V No
54 6 General Purpose ADIN6 / Backup Voltage 54 6 General Purpose ADIN6 / Backup Voltage (LICELL) 0 - 2.30V / No /
55 55 1.50 - 3.50V -1.20V
56 7 General Purpose ADIN7 / UID / Die Temp 56 7 General Purpose ADIN7 / UID / Die Temperature 0 - 2.30V / No /
57 57 0 - 2.55V / x0.9 / No
58 8 General Purpose ADIN8 58 8 General Purpose ADIN8 0 - 2.30V No
59 9 General Purpose ADIN9 59 9 General Purpose ADIN9 0 - 2.30V No
60 10 General Purpose ADIN10 60 10 General Purpose ADIN10 0 - 2.30V No
61 11 General Purpose ADIN11 61 11 General Purpose ADIN11 0 - 2.30V No
62 12 General Purpose TSX1 / Touchscreen X-p 62 12 General Purpose TSX1 / Touchscreen X-plate 1 0 - 2.30V No
63 13 General Purpose TSX2 / Touchscreen X-p 63 13 General Purpose TSX2 / Touchscreen X-plate 2 0 - 2.30V No
64 14 General Purpose TSY1 / Touchscreen Y-p 64 14 General Purpose TSY1 / Touchscreen Y-plate 1 0 - 2.30V No
65 15 General Purpose TSY2 / Touchscreen Y-p 65 15 General Purpose TSY2 / Touchscreen Y-plate 2 0 - 2.30V No
66 ======= ====================================== 66 ======= =============================================== =============== =======
67 67
68 - MC13892: 68 - MC13892:
69 69
70 ======= ====================================== 70 ======= =============================================== =============== =======
71 Channel Signal 71 Channel Signal Input Range Scaling
72 ======= ====================================== 72 ======= =============================================== =============== =======
73 0 Battery Voltage (BATT) 73 0 Battery Voltage (BATT) 0 - 4.8V /2
74 1 Battery Current (BATT - BATTISNSCC) 74 1 Battery Current (BATT - BATTISNSCC) -60 - 60 mV x20
75 2 Application Supply (BPSNS) 75 2 Application Supply (BPSNS) 0 - 4.8V /2
76 3 Charger Voltage (CHRGRAW) 76 3 Charger Voltage (CHRGRAW) 0 - 12V / /5
77 77 0 - 20V /10
78 4 Charger Current (CHRGISNS-BPSNS) / 78 4 Charger Current (CHRGISNS-BPSNS) / -0.3 - 0.3V / x4 /
79 Touchscreen X-plate 1 79 Touchscreen X-plate 1 0 - 2.4V No
80 5 General Purpose ADIN5 / Battery Pack T 80 5 General Purpose ADIN5 / Battery Pack Thermistor 0 - 2.4V No
81 6 General Purpose ADIN6 / Backup Voltage 81 6 General Purpose ADIN6 / Backup Voltage (LICELL) 0 - 2.4V / No
82 Backup Voltage (LICELL) 82 Backup Voltage (LICELL) 0 - 3.6V x2/3
83 7 General Purpose ADIN7 / UID / Die Temp 83 7 General Purpose ADIN7 / UID / Die Temperature 0 - 2.4V / No /
84 84 0 - 4.8V /2
85 12 General Purpose TSX1 / Touchscreen X-p 85 12 General Purpose TSX1 / Touchscreen X-plate 1 0 - 2.4V No
86 13 General Purpose TSX2 / Touchscreen X-p 86 13 General Purpose TSX2 / Touchscreen X-plate 2 0 - 2.4V No
87 14 General Purpose TSY1 / Touchscreen Y-p 87 14 General Purpose TSY1 / Touchscreen Y-plate 1 0 - 2.4V No
88 15 General Purpose TSY2 / Touchscreen Y-p 88 15 General Purpose TSY2 / Touchscreen Y-plate 2 0 - 2.4V No
89 ======= ====================================== 89 ======= =============================================== =============== =======
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