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imx6: wandboard: convert to DM_PMIC

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Enable DM_PMIC_PFUZE100 driver and add PMIC description to DTS.
Rework power_init_board() code.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin 2019-03-18 23:29:45 +01:00 committed by Stefano Babic
parent f99cd5a787
commit ec837c82d7
4 changed files with 123 additions and 20 deletions
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101
arch/arm/dts/imx6qdl-wandboard.dtsi
View file

@ -90,6 +90,107 @@
VDDIO-supply = <&reg_3p3v>;
lrclk-strength = <3>;
};
pmic: pfuze100@8 {
compatible = "fsl,pfuze100";
reg = <0x08>;
regulators {
sw1a_reg: sw1ab {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw1c_reg: sw1c {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw2_reg: sw2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw3a_reg: sw3a {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw3b_reg: sw3b {
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <1975000>;
regulator-boot-on;
regulator-always-on;
};
sw4_reg: sw4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
swbst_reg: swbst {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5150000>;
};
snvs_reg: vsnvs {
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
vref_reg: vrefddr {
regulator-boot-on;
regulator-always-on;
};
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen2_reg: vgen2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen3_reg: vgen3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
vgen4_reg: vgen4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen5_reg: vgen5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vgen6_reg: vgen6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
};
};
&iomuxc {

34
board/wandboard/wandboard.c
View file

@ -453,24 +453,30 @@ int board_early_init_f(void)
int power_init_board(void)
{
struct pmic *p;
u32 reg;
struct udevice *dev;
int reg, ret;
/* configure PFUZE100 PMIC */
power_pfuze100_init(PMIC_I2C_BUS);
p = pmic_get("PFUZE100");
if (p && !pmic_probe(p)) {
pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
with_pmic = true;
puts("PMIC: ");
/* Set VGEN2 to 1.5V and enable */
pmic_reg_read(p, PFUZE100_VGEN2VOL, &reg);
reg &= ~(LDO_VOL_MASK);
reg |= (LDOA_1_50V | (1 << (LDO_EN)));
pmic_reg_write(p, PFUZE100_VGEN2VOL, reg);
ret = pmic_get("pfuze100", &dev);
if (ret < 0) {
printf("pmic_get() ret %d\n", ret);
return 0;
}
reg = pmic_reg_read(dev, PFUZE100_DEVICEID);
if (reg < 0) {
printf("pmic_reg_read() ret %d\n", reg);
return 0;
}
printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
with_pmic = true;
/* Set VGEN2 to 1.5V and enable */
reg = pmic_reg_read(dev, PFUZE100_VGEN2VOL);
reg &= ~(LDO_VOL_MASK);
reg |= (LDOA_1_50V | (1 << (LDO_EN)));
pmic_reg_write(dev, PFUZE100_VGEN2VOL, reg);
return 0;
}

2
configs/wandboard_defconfig
View file

@ -44,6 +44,8 @@ CONFIG_PHYLIB=y
CONFIG_MII=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
CONFIG_DM_PMIC=y
CONFIG_DM_PMIC_PFUZE100=y
CONFIG_DM_THERMAL=y
CONFIG_USB=y
CONFIG_DM_USB=y

6
include/configs/wandboard.h
View file

@ -40,12 +40,6 @@
#define CONFIG_SYS_I2C_MXC_I2C3 /* enable I2C bus 3 */
#define CONFIG_SYS_I2C_SPEED 100000
/* PMIC */
#define CONFIG_POWER
#define CONFIG_POWER_I2C
#define CONFIG_POWER_PFUZE100
#define CONFIG_POWER_PFUZE100_I2C_ADDR 0x08
/* MMC Configuration */
#define CONFIG_SYS_FSL_USDHC_NUM 2
#define CONFIG_SYS_FSL_ESDHC_ADDR 0