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misc: pmic: addI2C support to pmic_fsl driver 

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2011-10-06 21:06:39 +02:00 committed by Albert ARIBAUD
parent d69edadee7
commit b7b7d3ccfd
1 changed files with 13 additions and 4 deletions
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17
drivers/misc/pmic_fsl.c
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@ -26,6 +26,7 @@
#include <pmic.h>
#include <fsl_pmic.h>
#if defined(CONFIG_PMIC_SPI)
static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write)
{
if ((val == NULL) && (write))
@ -33,25 +34,33 @@ static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write)
else
return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF);
}
#endif
int pmic_init(void)
{
struct pmic *p = get_pmic();
static const char name[] = "FSL_PMIC";
puts("Board PMIC init\n");
p->name = name;
p->interface = PMIC_SPI;
p->number_of_regs = PMIC_NUM_OF_REGS;
p->bus = CONFIG_FSL_PMIC_BUS;
#if defined(CONFIG_PMIC_SPI)
p->interface = PMIC_SPI;
p->bus = CONFIG_FSL_PMIC_BUS;
p->hw.spi.cs = CONFIG_FSL_PMIC_CS;
p->hw.spi.clk = CONFIG_FSL_PMIC_CLK;
p->hw.spi.mode = CONFIG_FSL_PMIC_MODE;
p->hw.spi.bitlen = CONFIG_FSL_PMIC_BITLEN;
p->hw.spi.flags = SPI_XFER_BEGIN | SPI_XFER_END;
p->hw.spi.prepare_tx = pmic_spi_prepare_tx;
#elif defined(CONFIG_PMIC_I2C)
p->interface = PMIC_I2C;
p->hw.i2c.addr = CONFIG_SYS_FSL_PMIC_I2C_ADDR;
p->hw.i2c.tx_num = 3;
p->bus = I2C_PMIC;
#else
#error "You must select CONFIG_PMIC_SPI or CONFIG_PMIC_I2C"
#endif
return 0;
}