mirrors/u-boot
1
0
Fork 0
mirror of https://source.denx.de/u-boot/u-boot.git synced 2025-10-03 11:41:38 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

warp7: Add PMIC support

Browse Source 
Add PMIC support. Tested by command "pmic PFUZE3000 dump".

Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Vanessa Maegima 2016-08-19 10:21:36 -03:00 committed by Stefano Babic
parent ff3832205e
commit 7d301a594d
2 changed files with 69 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
board/warp7/warp7.c
View File

@ -11,12 +11,17 @@
#include <asm/arch/sys_proto.h> #include <asm/arch/sys_proto.h>
#include <asm/gpio.h> #include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h> #include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/io.h> #include <asm/io.h>
#include <common.h> #include <common.h>
#include <fsl_esdhc.h> #include <fsl_esdhc.h>
#include <i2c.h>
#include <mmc.h> #include <mmc.h>
#include <asm/arch/crm_regs.h> #include <asm/arch/crm_regs.h>
#include <usb.h> #include <usb.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../freescale/common/pfuze.h"
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -25,6 +30,26 @@ DECLARE_GLOBAL_DATA_PTR;
#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
.gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
.gp = IMX_GPIO_NR(4, 8),
},
.sda = {
.i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
.gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
.gp = IMX_GPIO_NR(4, 9),
},
};
#endif
int dram_init(void) int dram_init(void)
{ {
gd->ram_size = PHYS_SDRAM_SIZE; gd->ram_size = PHYS_SDRAM_SIZE;
@ -85,11 +110,43 @@ int board_early_init_f(void)
return 0; return 0;
} }
#ifdef CONFIG_POWER
#define I2C_PMIC 0
static struct pmic *pfuze;
int power_init_board(void)
{
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE3000");
ret = pmic_probe(pfuze);
if (ret)
return ret;
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
return 0;
}
#endif
int board_init(void) int board_init(void)
{ {
/* address of boot parameters */ /* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 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
return 0; return 0;
} }

12
include/configs/warp7.h
View File

@ -103,6 +103,18 @@
#define CONFIG_SYS_INIT_SP_ADDR \ #define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/* I2C configs */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_MXC
#define CONFIG_SYS_I2C_MXC_I2C1
#define CONFIG_SYS_I2C_SPEED 100000
/* PMIC */
#define CONFIG_POWER
#define CONFIG_POWER_I2C
#define CONFIG_POWER_PFUZE3000
#define CONFIG_POWER_PFUZE3000_I2C_ADDR 0x08
/* FLASH and environment organization */ /* FLASH and environment organization */
#define CONFIG_SYS_NO_FLASH #define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_SIZE SZ_8K #define CONFIG_ENV_SIZE SZ_8K