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| author | Vanessa Maegima <vanessa.maegima@nxp.com> | 2016-08-19 10:21:36 -0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-09-06 18:22:48 +0200 |
| commit | 7d301a594d24e4ed63b3099cdb9e09249f945def (patch) | |
| tree | 9af17e7fa9000545d15c2317aae5ae1647c50d06 | |
| parent | ff3832205eb53b3e0ceebb6cd5d8891e0ec455d9 (diff) | |
| download | u-boot-7d301a594d24e4ed63b3099cdb9e09249f945def.tar.gz | |
warp7: Add PMIC support
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>
| -rw-r--r-- | board/warp7/warp7.c | 57 | ||||
| -rw-r--r-- | include/configs/warp7.h | 12 |
2 files changed, 69 insertions, 0 deletions
diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index 27e31f35d5..cffee4a199 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -11,12 +11,17 @@ #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/io.h> #include <common.h> #include <fsl_esdhc.h> +#include <i2c.h> #include <mmc.h> #include <asm/arch/crm_regs.h> #include <usb.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include "../freescale/common/pfuze.h" 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 | \ 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) { gd->ram_size = PHYS_SDRAM_SIZE; @@ -85,11 +110,43 @@ int board_early_init_f(void) 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, ®); + 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) { /* 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 + return 0; } diff --git a/include/configs/warp7.h b/include/configs/warp7.h index e59b16c379..57a8123d2e 100644 --- a/include/configs/warp7.h +++ b/include/configs/warp7.h @@ -103,6 +103,18 @@ #define CONFIG_SYS_INIT_SP_ADDR \ (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 */ #define CONFIG_SYS_NO_FLASH #define CONFIG_ENV_SIZE SZ_8K |