On 19/08/2016 15:21, Vanessa Maegima wrote: > Add PMIC support. Tested by command "pmic PFUZE3000 dump". > > Signed-off-by: Vanessa Maegima <[email protected]> > --- > board/warp7/warp7.c | 57 > +++++++++++++++++++++++++++++++++++++++++++++++++ > include/configs/warp7.h | 12 +++++++++++ > 2 files changed, 69 insertions(+) > > diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c > index 27e31f3..cffee4a 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 e59b16c..57a8123 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 >
Reviewed-by: Stefano Babic <[email protected]> Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
