Add PMIC support. Tested by command "pmic PFUZE3000 dump".
Signed-off-by: Vanessa Maegima vanessa.maegima@nxp.com --- Changes since v1: - Remove use of "reg" variable in function "pmic_reg_write".
board/technexion/pico-imx6ul/pico-imx6ul.c | 70 ++++++++++++++++++++++++++++++ include/configs/pico-imx6ul.h | 12 +++++ 2 files changed, 82 insertions(+)
diff --git a/board/technexion/pico-imx6ul/pico-imx6ul.c b/board/technexion/pico-imx6ul/pico-imx6ul.c index b0b8f05..5cbf803 100644 --- a/board/technexion/pico-imx6ul/pico-imx6ul.c +++ b/board/technexion/pico-imx6ul/pico-imx6ul.c @@ -14,13 +14,18 @@ #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/io.h> #include <common.h> #include <miiphy.h> #include <netdev.h> #include <fsl_esdhc.h> +#include <i2c.h> #include <linux/sizes.h> #include <usb.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include "../../freescale/common/pfuze.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -32,6 +37,11 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+#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) + #define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) @@ -47,6 +57,23 @@ DECLARE_GLOBAL_DATA_PTR;
#define RMII_PHY_RESET IMX_GPIO_NR(1, 28)
+#ifdef CONFIG_SYS_I2C_MXC +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C2 for PMIC */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO02__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC, + .gp = IMX_GPIO_NR(1, 2), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC, + .gp = IMX_GPIO_NR(1, 3), + }, +}; +#endif + static iomux_v3_cfg_t const fec_pads[] = { MX6_PAD_ENET1_TX_EN__ENET2_MDC | MUX_PAD_CTRL(MDIO_PAD_CTRL), MX6_PAD_ENET1_TX_DATA1__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), @@ -182,6 +209,45 @@ 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_read(pfuze, PFUZE3000_LDOGCTL, ®); + reg |= 0x1; + pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg); + + /* SW1B step ramp up time from 2us to 4us/25mV */ + pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, 0x40); + + /* SW1B mode to APS/PFM */ + pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, 0xc); + + /* SW1B standby voltage set to 0.975V */ + pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, 0xb); + + return 0; +} +#endif + int board_usb_phy_mode(int port) { if (port == 1) @@ -211,6 +277,10 @@ 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 + setup_fec(); setup_usb();
diff --git a/include/configs/pico-imx6ul.h b/include/configs/pico-imx6ul.h index f9fc263..a1e5f01 100644 --- a/include/configs/pico-imx6ul.h +++ b/include/configs/pico-imx6ul.h @@ -158,6 +158,18 @@ #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