diff options
| author | Jacob Chen <jacob-chen@iotwrt.com> | 2017-05-02 06:54:49 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-05-10 19:37:22 (GMT) |
| commit | d77af8a8c9f75cb8ffe7804dfe0c999cc727afdd (patch) | |
| tree | ebe71c9598aaf5c21a2416dd323163420e6888ed /drivers/power | |
| parent | 1daa93c0b494134d0daafab6944b3eefeb66acee (diff) | |
| download | u-boot-d77af8a8c9f75cb8ffe7804dfe0c999cc727afdd.tar.xz | |
power: pmic: rk808: add RK818 support
The RK818 chip is a Power Management IC (PMIC) for multimedia and handheld
devices.
For boards use rk818, the input current should be set in the early stage, before
ddr initialization.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/pmic/rk808.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/power/pmic/rk808.c b/drivers/power/pmic/rk808.c index 3f5f316..582e456 100644 --- a/drivers/power/pmic/rk808.c +++ b/drivers/power/pmic/rk808.c @@ -80,6 +80,20 @@ static int rk808_bind(struct udevice *dev) } #endif +static int rk808_probe(struct udevice *dev) +{ + struct rk808_priv *priv = dev_get_priv(dev); + uint8_t msb, lsb; + + /* read Chip variant */ + rk808_read(dev, ID_MSB, &msb, 1); + rk808_read(dev, ID_LSB, &lsb, 1); + + priv->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; + + return 0; +} + static struct dm_pmic_ops rk808_ops = { .reg_count = rk808_reg_count, .read = rk808_read, @@ -88,6 +102,7 @@ static struct dm_pmic_ops rk808_ops = { static const struct udevice_id rk808_ids[] = { { .compatible = "rockchip,rk808" }, + { .compatible = "rockchip,rk818" }, { } }; @@ -98,5 +113,6 @@ U_BOOT_DRIVER(pmic_rk808) = { #if CONFIG_IS_ENABLED(PMIC_CHILDREN) .bind = rk808_bind, #endif + .probe = rk808_probe, .ops = &rk808_ops, }; |