[PATCH v5 17/23] power: regulator: qcom-rpmh-regulator: port over lineage_range helpers
Caleb Connolly
caleb.connolly at linaro.org
Thu Jul 11 18:46:49 CEST 2024
Import struct linear_range() and builder macro from Linux regulator
core.
Acked-by: Sumit Garg <sumit.garg at linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly at 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
--
2.45.2
More information about the U-Boot
mailing list