diff options
| author | Bai Ping <ping.bai@nxp.com> | 2017-04-24 18:45:17 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:28:29 +0800 |
| commit | f83a740c465b84e4dacfa8cffcb37f37e95b86a9 (patch) | |
| tree | 7fa80b97525516c811a03df3bccd9776b756045b /drivers/cpufreq | |
| parent | 57e0174bee1bb46b05acabffd1cf20126e515b85 (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>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/imx6q-cpufreq.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 5e868c414257..4b97e0559c02 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2013 Freescale Semiconductor, Inc. + * 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 @@ -24,7 +25,7 @@ #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 @@ -404,10 +405,10 @@ 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); |