diff options
| author | Lukasz Majewski <lukma@denx.de> | 2018-05-15 16:26:35 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-05-18 08:27:26 +0200 |
| commit | b8a6d6777b83b5aaaf7cbe7f6cdc2a32270490d0 (patch) | |
| tree | 89658bdf217c366e68830a2eea38e25e82bd44dc | |
| parent | 9a84116b3139fcae7d4646b9d389b8982b2d43b7 (diff) | |
pmic: Add support for setting transmission length in uclass private data
The struct uc_pmic_priv's trans_len field stores the number of types to
be transmitted per PMIC transfer.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/power/pmic/pmic-uclass.c | 10 | ||||
| -rw-r--r-- | include/power/pmic.h | 9 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/power/pmic/pmic-uclass.c b/drivers/power/pmic/pmic-uclass.c index 5f0f6ff93e..d7e559a615 100644 --- a/drivers/power/pmic/pmic-uclass.c +++ b/drivers/power/pmic/pmic-uclass.c @@ -165,7 +165,17 @@ int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set) return pmic_reg_write(dev, reg, byte); } +static int pmic_pre_probe(struct udevice *dev) +{ + struct uc_pmic_priv *pmic_priv = dev_get_uclass_priv(dev); + + pmic_priv->trans_len = 1; + return 0; +} + UCLASS_DRIVER(pmic) = { .id = UCLASS_PMIC, .name = "pmic", + .pre_probe = pmic_pre_probe, + .per_device_auto_alloc_size = sizeof(struct uc_pmic_priv), }; diff --git a/include/power/pmic.h b/include/power/pmic.h index 2ca9365fc8..be9de6b4de 100644 --- a/include/power/pmic.h +++ b/include/power/pmic.h @@ -297,6 +297,15 @@ int pmic_reg_write(struct udevice *dev, uint reg, uint value); */ int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set); +/* + * This structure holds the private data for PMIC uclass + * For now we store information about the number of bytes + * being sent at once to the device. + */ +struct uc_pmic_priv { + uint trans_len; +}; + #endif /* CONFIG_DM_PMIC */ #ifdef CONFIG_POWER |