diff options
| author | Bai Ping <ping.bai@nxp.com> | 2017-04-24 18:45:17 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 190dcca38c704ffa6521cf8b6e5ab56a344c66ae (patch) | |
| tree | 8f3eaee377790aaaddd9df22e1ecc5d3d0ef0cb4 /drivers/cpufreq | |
| parent | f80d127b6185106abba210fa58d97ed9c85f98bc (diff) | |
MLK-14747 driver: cpufreq: Correct dc regulator voltage on imx6ull
On i.MX6ULL EVK board, when the overdrive mode(900MHz/800MHz) is
enable, the DC regulator voltage should not be changed. Keep the
DC regulator to default 1.4V.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
(cherry picked from commit e4b51b651ae95226c0ae0447673c64b23b079ee6)
Conflicts:
drivers/cpufreq/imx6q-cpufreq.c
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/imx6q-cpufreq.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 6d4a7bba7b7f..dbcf35b456b8 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -1,6 +1,6 @@ /* - * Copyright (C) 2013-2015 Freescale Semiconductor, Inc. - * Copyright (C) 2017 NXP + * Copyright (C) 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -26,7 +26,7 @@ #define DC_VOLTAGE_MAX 1400000 #define FREQ_1P2_GHZ 1200000000 #define FREQ_396_MHZ 396000 -#define FREQ_696_MHZ 696000 +#define FREQ_528_MHZ 528000 #define FREQ_198_MHZ 198000 #define FREQ_24_MHZ 24000 @@ -423,10 +423,10 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) } /* - * On i.MX6UL EVK board, if the SOC is run in overide frequency, + * On i.MX6UL/ULL EVK board, if the SOC is run in overide frequency, * the dc_regulator voltage should not be touched. */ - if (freq_table[num - 1].frequency == FREQ_696_MHZ) + if (freq_table[num - 1].frequency > FREQ_528_MHZ) ignore_dc_reg = true; if (!IS_ERR(dc_reg) && !ignore_dc_reg) regulator_set_voltage_tol(dc_reg, DC_VOLTAGE_MIN, 0); |