misc: pmic: addI2C support to pmic_fsl driver

Signed-off-by: Stefano Babic <sbabic@denx.de>

drivers/misc/pmic_fsl.c

@@ -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;
 }