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-rw-r--r--firmware/target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c b/firmware/target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c
index 2060b7bc6a..22c9f3e1df 100644
--- a/firmware/target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c
+++ b/firmware/target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c
@@ -22,6 +22,7 @@
22 ****************************************************************************/ 22 ****************************************************************************/
23#include "config.h" 23#include "config.h"
24#include "system.h" 24#include "system.h"
25#include "spi-imx31.h"
25#include "mc13783.h" 26#include "mc13783.h"
26#include "mc13783-target.h" 27#include "mc13783-target.h"
27#include "adc-target.h" 28#include "adc-target.h"
@@ -30,6 +31,25 @@
30#include "power-gigabeat-s.h" 31#include "power-gigabeat-s.h"
31#include "powermgmt-target.h" 32#include "powermgmt-target.h"
32 33
34/* Gigabeat S mc13783 serial interface node. */
35
36/* This is all based on communicating with the MC13783 PMU which is on
37 * CSPI2 with the chip select at 0. The LCD controller resides on
38 * CSPI3 cs1, but we have no idea how to communicate to it */
39struct spi_node mc13783_spi =
40{
41 CSPI2_NUM, /* CSPI module 2 */
42 CSPI_CONREG_CHIP_SELECT_SS0 | /* Chip select 0 */
43 CSPI_CONREG_DRCTL_DONT_CARE | /* Don't care about CSPI_RDY */
44 CSPI_CONREG_DATA_RATE_DIV_32 | /* Clock = IPG_CLK/32 = 2,062,500Hz. */
45 CSPI_BITCOUNT(32-1) | /* All 32 bits are to be transferred */
46 CSPI_CONREG_SSPOL | /* SS active high */
47 CSPI_CONREG_SSCTL | /* Negate SS between SPI bursts */
48 CSPI_CONREG_MODE, /* Master mode */
49 0, /* SPI clock - no wait states */
50};
51
52
33/* Gigabeat S definitions for static MC13783 event registration */ 53/* Gigabeat S definitions for static MC13783 event registration */
34 54
35static const struct mc13783_event mc13783_events[] = 55static const struct mc13783_event mc13783_events[] =