On 19/08/2016 15:21, Vanessa Maegima wrote:

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

Signed-off-by: Vanessa Maegima vanessa.maegima@nxp.com

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, &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) { /* 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 sbabic@denx.de

Best regards, Stefano Babic