summaryrefslogtreecommitdiff
path: root/firmware/drivers/pcf50605.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/drivers/pcf50605.c')
-rw-r--r--firmware/drivers/pcf50605.c43
1 files changed, 37 insertions, 6 deletions
diff --git a/firmware/drivers/pcf50605.c b/firmware/drivers/pcf50605.c
index d34e8512c1..afa0a5ca11 100644
--- a/firmware/drivers/pcf50605.c
+++ b/firmware/drivers/pcf50605.c
@@ -63,11 +63,20 @@
63#define PSSC 0x18 63#define PSSC 0x18
64#define PWROKM 0x19 64#define PWROKM 0x19
65#define PWROKS 0x1a 65#define PWROKS 0x1a
66#define DCDC1 0x1b
67#define DCDC2 0x1c
68#define DCDC3 0x1d
69#define DCDC4 0x1e
70#define DCDEC1 0x1f
71#define DCDEC2 0x20
72#define DCUDC1 0x21
73#define DCUDC2 0x22
74#define IOREGC 0x23
66#define D1REGC1 0x24 75#define D1REGC1 0x24
67 #define VOUT_3000mV 0xf5
68 #define VOUT_3300mV 0xf8
69#define D2REGC1 0x25 76#define D2REGC1 0x25
70#define D3REGC1 0x26 77#define D3REGC1 0x26
78#define LPREG1C 0x27
79
71 80
72unsigned char pcf50605_wakeup_flags = 0; 81unsigned char pcf50605_wakeup_flags = 0;
73 82
@@ -113,8 +122,30 @@ void pcf50605_standby_mode(void)
113 122
114void pcf50605_init(void) 123void pcf50605_init(void)
115{ 124{
116 /* The following values were taken from the ipodlinux kernel source */ 125#if defined (IPOD_VIDEO)
117 pcf50605_write(D1REGC1, VOUT_3000mV); /* Unknown */ 126 /* I/O and GPO voltage supply (default: 0xf8 = 3.3V ON) */
118 pcf50605_write(D2REGC1, VOUT_3300mV); /* Dock Connector pin 17 */ 127 /* ECO not allowed regarding data sheet */
119 pcf50605_write(D3REGC1, VOUT_3000mV); /* Unknown */ 128 pcf50605_write(IOREGC, 0xf8); /* 3.3V ON */
129
130 /* core voltage supply (default DCDC1/DCDC2: 0xec = 1.2V ON) */
131 /* ECO not stable, assumed due to less precision of voltage in ECO mode */
132 pcf50605_write(DCDC1, 0xec); /* 1.2V ON */
133 pcf50605_write(DCDC2, 0x0c); /* OFF */
134
135 /* unknown (default: 0xe3 = 1.8V ON) */
136 pcf50605_write(DCUDC1, 0xe3); /* 1.8V ON */
137
138 /* WM8758 voltage supply (default: 0xf5 = 3.0V ON) */
139 /* ECO not allowed as max. current of 5mA is not sufficient */
140 pcf50605_write(D1REGC1, 0xf0); /* 2.5V ON */
141
142 /* LCD voltage supply (default: 0xf5 = 3.0V ON) */
143 pcf50605_write(D3REGC1, 0xf1); /* 2.6V ON */
144#else
145 /* keep initialization from svn for other iPods */
146 pcf50605_write(D1REGC1, 0xf5); /* 3.0V ON */
147 pcf50605_write(D3REGC1, 0xf5); /* 3.0V ON */
148#endif
149 /* Dock Connector pin 17 (default: OFF) */
150 pcf50605_write(D2REGC1, 0xf8); /* 3.3V ON */
120} 151}