From 79d90b9e763ab50b900b35bc6746fea9bbaacb53 Mon Sep 17 00:00:00 2001 From: Michael Sevakis Date: Sat, 10 Apr 2010 09:24:06 +0000 Subject: Gigabeat S/i.MX31: Continue, and most likely complete, the platform/player-specific code/data shuffling begun in r25547. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25564 a1c6a512-1295-4272-9138-f99709370657 --- .../target/arm/imx31/gigabeat-s/mc13783-gigabeat-s.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'firmware/target/arm/imx31/gigabeat-s') 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 @@ ****************************************************************************/ #include "config.h" #include "system.h" +#include "spi-imx31.h" #include "mc13783.h" #include "mc13783-target.h" #include "adc-target.h" @@ -30,6 +31,25 @@ #include "power-gigabeat-s.h" #include "powermgmt-target.h" +/* Gigabeat S mc13783 serial interface node. */ + +/* This is all based on communicating with the MC13783 PMU which is on + * CSPI2 with the chip select at 0. The LCD controller resides on + * CSPI3 cs1, but we have no idea how to communicate to it */ +struct spi_node mc13783_spi = +{ + CSPI2_NUM, /* CSPI module 2 */ + CSPI_CONREG_CHIP_SELECT_SS0 | /* Chip select 0 */ + CSPI_CONREG_DRCTL_DONT_CARE | /* Don't care about CSPI_RDY */ + CSPI_CONREG_DATA_RATE_DIV_32 | /* Clock = IPG_CLK/32 = 2,062,500Hz. */ + CSPI_BITCOUNT(32-1) | /* All 32 bits are to be transferred */ + CSPI_CONREG_SSPOL | /* SS active high */ + CSPI_CONREG_SSCTL | /* Negate SS between SPI bursts */ + CSPI_CONREG_MODE, /* Master mode */ + 0, /* SPI clock - no wait states */ +}; + + /* Gigabeat S definitions for static MC13783 event registration */ static const struct mc13783_event mc13783_events[] = -- cgit v1.2.3