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imx:mx6slevk implement power init board

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Implement power_init_board and related I2C interface configuration.

After adding this, uboot can successfully detect and configure pmic.

"
U-Boot 2015.01-00281-ge29eddf (Feb 12 2015 - 09:24:01)

CPU:   Freescale i.MX6SL rev1.0 at 396 MHz
Reset cause: POR
Board: MX6SLEVK
I2C:   ready
DRAM:  1 GiB
PMIC:  PFUZE100 ID=0x10
MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
"

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
This commit is contained in:
Peng Fan 2015-02-12 09:36:29 +08:00 committed by Stefano Babic
parent c82009058b
commit af38bf6b38
1 changed files with 42 additions and 0 deletions
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42
board/freescale/mx6slevk/mx6slevk.c
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@ -13,13 +13,18 @@
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/spi.h>
#include <asm/io.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <mmc.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <usb/ehci-fsl.h>
@ -40,6 +45,11 @@ DECLARE_GLOBAL_DATA_PTR;
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
#define ETH_PHY_RESET IMX_GPIO_NR(4, 21)
int dram_init(void)
@ -221,6 +231,34 @@ int board_mmc_init(bd_t *bis)
return 0;
}
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
struct i2c_pads_info i2c_pad_info1 = {
.sda = {
.i2c_mode = MX6_PAD_I2C1_SDA__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_I2C1_SDA__GPIO_3_13 | PC,
.gp = IMX_GPIO_NR(3, 13),
},
.scl = {
.i2c_mode = MX6_PAD_I2C1_SCL__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_I2C1_SCL__GPIO_3_12 | PC,
.gp = IMX_GPIO_NR(3, 12),
},
};
int power_init_board(void)
{
struct pmic *p;
p = pfuze_common_init(I2C_PMIC);
if (!p)
return -ENODEV;
return pfuze_mode_init(p, APS_PFM);
}
#endif
#ifdef CONFIG_FEC_MXC
int board_eth_init(bd_t *bis)
{
@ -297,6 +335,10 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C_MXC
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif