diff options
| author | Robin Gong <b38343@freescale.com> | 2015-01-04 16:56:11 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:20:42 +0300 |
| commit | 725e3a8af006e94f05c59fe9ec95454076dc9914 (patch) | |
| tree | 72a070e41c49ca3ffa90a25bf98002c19a161102 /drivers/cpufreq | |
| parent | 85bc943a24e07d7c3b1c9592ec44ebbf3b9b71a6 (diff) | |
MLK-10073-3 cpufreq: imx6q-cpufreq: add arm-soc-shared property
Pfuze200 only provide one power supply for VDDARM_IN and VDDSOC_IN,
for ldo-bypass mode, we have to pretend they are different regulators
otherwise regulator famework will refuse update voltage.
Signed-off-by: Robin Gong <b38343@freescale.com>
(cherry picked from commit 1b41ab90288b2accd710f8852c11753007749e4a)
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/imx6q-cpufreq.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 1a093554c4e6..8e6d245b38a3 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -237,6 +237,16 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) } /* + * soc_reg sync with arm_reg if arm shares the same regulator + * with soc. Otherwise, regulator common framework will refuse to update + * this consumer's voltage right now while another consumer voltage + * still keep in old one. For example, imx6sx-sdb with pfuze200 in + * ldo-bypass mode. + */ + of_property_read_u32(np, "fsl,arm-soc-shared", &i); + if (i == 1) + soc_reg = arm_reg; + /* * We expect an OPP table supplied by platform. * Just, incase the platform did not supply the OPP * table, it will try to get it. |