On Mon, Jul 11, 2016 at 02:50:07PM -0700, Stephen Boyd wrote:
> The voltage ranges listed here are wrong. The correct ranges can
> be seen in the "native" spmi regulator driver
> qcom_spmi-regulator.c at pldo_ranges[], ftsmps_ranges[] and
> boost_ranges[] for the pldo, ftsmps, and boost type regulators.
> Port these ranges over to the RPM SMD regulator driver so that we
> list the appropriate set of supported voltages on pldos.
>
> Doing this allows us to specify a voltage like 3075000 for l24,
> whereas before that wasn't a supported voltage.
>
> Cc: Andy Gross <andy.gross@xxxxxxxxxx>
> Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Fixes: da65e367b67e ("regulator: Regulator driver for the Qualcomm RPM")
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
<snip>
> static const struct regulator_desc pm8941_pldo = {
> .linear_ranges = (struct regulator_linear_range[]) {
> - REGULATOR_LINEAR_RANGE( 750000, 0, 30, 25000),
> - REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000),
> + REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500),
> + REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
> + REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
> },
> - .n_linear_ranges = 2,
> - .n_voltages = 100,
> + .n_linear_ranges = 3,
> + .n_voltages = 164,
> .ops = &rpm_smps_ldo_ops,
> };
Still a little confused on if the 12.5mV is allowed on pmos ldo. It seems like the
nmos has 1 range of 5mV steps. The PMOS has 2 ranges, using 25mV and 50mV
Regards,
Andy
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
