From mboxrd@z Thu Jan 1 00:00:00 1970 From: andy.gross@linaro.org (Andy Gross) Date: Mon, 11 Jul 2016 17:48:45 -0500 Subject: [PATCH 1/3] regulator: qcom_smd: Fix voltage ranges for pm8x41 In-Reply-To: <20160711215009.4519-2-sboyd@codeaurora.org> References: <20160711215009.4519-1-sboyd@codeaurora.org> <20160711215009.4519-2-sboyd@codeaurora.org> Message-ID: <20160711224845.GC6053@hector.attlocal.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > Cc: Bjorn Andersson > Fixes: da65e367b67e ("regulator: Regulator driver for the Qualcomm RPM") > Signed-off-by: Stephen Boyd > --- > 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