diff options
Diffstat (limited to 'drivers/pinctrl/qcom/pinctrl-msm.h')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-msm.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index 4625fa5320a95..a4af279f748ab 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -52,7 +52,11 @@ struct pinctrl_pin_desc; * @intr_cfg_reg: Offset of the register holding interrupt configuration bits. * @intr_status_reg: Offset of the register holding the status bits for this group. * @intr_target_reg: Offset of the register specifying routing of the interrupts - * from this group. + * from this group. On most SoCs this register is the same as + * @intr_cfg_reg; leaving this field as zero causes the driver + * to fall back to @intr_cfg_reg automatically. Only set this + * explicitly on older SoCs where the interrupt target routing + * lives in a separate register (e.g. APQ8064, MSM8960). * @mux_bit: Offset in @ctl_reg for the pinmux function selection. * @pull_bit: Offset in @ctl_reg for the bias configuration. * @drv_bit: Offset in @ctl_reg for the drive strength configuration. |