diff options
Diffstat (limited to 'board/toradex/apalis_imx6/pf0100.c')
-rw-r--r-- | board/toradex/apalis_imx6/pf0100.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/board/toradex/apalis_imx6/pf0100.c b/board/toradex/apalis_imx6/pf0100.c index 4538ea1b618..ca82aabb5e1 100644 --- a/board/toradex/apalis_imx6/pf0100.c +++ b/board/toradex/apalis_imx6/pf0100.c @@ -43,13 +43,11 @@ unsigned pmic_init(void) return 0; } /* get device ident */ - if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_DEVICEID, 1, &devid, 1) < 0) - { + if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_DEVICEID, 1, &devid, 1) < 0) { puts("i2c pmic devid read failed\n"); return 0; } - if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_REVID, 1, &revid, 1) < 0) - { + if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_REVID, 1, &revid, 1) < 0) { puts("i2c pmic revid read failed\n"); return 0; } @@ -74,8 +72,8 @@ unsigned pmic_init(void) printf("\nEXT Page 1"); val = PFUZE100_PAGE_REGISTER_PAGE1; - if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1, &val, 1)) - { + if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1, + &val, 1)) { puts("i2c write failed\n"); return 0; } @@ -93,8 +91,8 @@ unsigned pmic_init(void) printf("\nEXT Page 2"); val = PFUZE100_PAGE_REGISTER_PAGE2; - if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1, &val, 1)) - { + if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1, + &val, 1)) { puts("i2c write failed\n"); return 0; } @@ -119,24 +117,21 @@ unsigned pmic_init(void) puts("i2c write failed\n"); return 0; } - if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR1, 1, &val, 1) < 0) - { + if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR1, 1, &val, 1) < 0) { puts("i2c fuse_por read failed\n"); return 0; } if(val & PFUZE100_FUSE_POR_M) programmed++; - if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR2, 1, &val, 1) < 0) - { + if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR2, 1, &val, 1) < 0) { puts("i2c fuse_por read failed\n"); return programmed; } if(val & PFUZE100_FUSE_POR_M) programmed++; - if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR3, 1, &val, 1) < 0) - { + if( i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR3, 1, &val, 1) < 0) { puts("i2c fuse_por read failed\n"); return programmed; } @@ -155,6 +150,23 @@ unsigned pmic_init(void) break; } + /* The following is needed during production */ + if (programmed != 3) { + /* set VGEN1 to 1.2V */ + val = PFUZE100_VGEN1_VAL; + if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_VGEN1CTL, 1, + &val, 1)) { + puts("i2c write failed\n"); + return programmed; + } + + /* set SWBST to 5.0V */ + val = PFUZE100_SWBST_VAL; + if( i2c_write(PFUZE100_I2C_ADDR, PFUZE100_SWBSTCTL, 1, + &val, 1)) { + puts("i2c write failed\n"); + } + } return programmed; } @@ -169,7 +181,8 @@ int pf0100_prog(void) return 1; } /* set up gpio to manipulate vprog, initially off */ - imx_iomux_v3_setup_multiple_pads(pmic_prog_pads, ARRAY_SIZE(pmic_prog_pads)); + imx_iomux_v3_setup_multiple_pads(pmic_prog_pads, + ARRAY_SIZE(pmic_prog_pads)); gpio_direction_output(PMIC_PROG_VOLTAGE, 0); if(!(0 == i2c_set_bus_num(bus) && (0 == i2c_probe(PFUZE100_I2C_ADDR)))) @@ -183,10 +196,9 @@ int pf0100_prog(void) case pmic_i2c: val = (unsigned char) (pmic_otp_prog[i].value & 0xff); if( i2c_write(PFUZE100_I2C_ADDR, pmic_otp_prog[i].reg, - 1, &val, 1)) - { - printf("i2c write failed, reg 0x%2x, value0x%2x\n", - pmic_otp_prog[i].reg, val); + 1, &val, 1)) { + printf("i2c write failed, reg 0x%2x, value" + "0x%2x\n", pmic_otp_prog[i].reg, val); return 1; } break; @@ -194,7 +206,8 @@ int pf0100_prog(void) udelay(pmic_otp_prog[i].value * 1000); break; case pmic_vpgm: - gpio_direction_output(IMX_GPIO_NR(2, 4) , pmic_otp_prog[i].value); + gpio_direction_output(IMX_GPIO_NR(2, 4), + pmic_otp_prog[i].value); break; case pmic_pwr: /* TODO */ |