Import struct linear_range() and builder macro from Linux regulator core.
Acked-by: Sumit Garg sumit.garg@linaro.org Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- drivers/power/regulator/qcom-rpmh-regulator.c | 37 +++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/drivers/power/regulator/qcom-rpmh-regulator.c b/drivers/power/regulator/qcom-rpmh-regulator.c index 5f522de44734..d0acee9f558e 100644 --- a/drivers/power/regulator/qcom-rpmh-regulator.c +++ b/drivers/power/regulator/qcom-rpmh-regulator.c @@ -28,8 +28,15 @@ enum rpmh_regulator_type { VRM, XOB, };
+enum rpmh_regulator_mode { + REGULATOR_MODE_RETENTION, + REGULATOR_MODE_LPM, + REGULATOR_MODE_AUTO, + REGULATOR_MODE_HPM, +}; + #define RPMH_REGULATOR_REG_VRM_VOLTAGE 0x0 #define RPMH_REGULATOR_REG_ENABLE 0x4 #define RPMH_REGULATOR_REG_VRM_MODE 0x8
@@ -60,8 +67,38 @@ enum rpmh_regulator_type { #define PMIC5_BOB_MODE_PFM 4 #define PMIC5_BOB_MODE_AUTO 6 #define PMIC5_BOB_MODE_PWM 7
+ +/** + * struct linear_range - table of selector - value pairs + * + * Define a lookup-table for range of values. Intended to help when looking + * for a register value matching certaing physical measure (like voltage). + * Usable when increment of one in register always results a constant increment + * of the physical measure (like voltage). + * + * @min: Lowest value in range + * @min_sel: Lowest selector for range + * @max_sel: Highest selector for range + * @step: Value step size + */ +struct linear_range { + unsigned int min; + unsigned int min_sel; + unsigned int max_sel; + unsigned int step; +}; + +/* Initialize struct linear_range for regulators */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .step = _step_uV, \ +} + /** * struct rpmh_vreg_hw_data - RPMh regulator hardware configurations * @regulator_type: RPMh accelerator type used to manage this * regulator