diff options
| author | Bai Ping <ping.bai@nxp.com> | 2017-02-08 17:22:58 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:25:47 +0800 |
| commit | 90347cd089d50e6f9a0cdc3e83617b3d170dfe50 (patch) | |
| tree | aeff18c1c9ba29b54c6822860ce6cfa595b38f7b /arch/arm/mach-imx | |
| parent | 2404d80c4356a5bf7d379d5fbb22aae2e70eaf69 (diff) | |
MLK-13894 ARM: imx: Add low power run voltage change support on i.mx6ull
Drop the VDD_SOC and VDD_ARM voltage to 0.9V when system runs at low
power run mode.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/busfreq-imx.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/busfreq-imx.c b/arch/arm/mach-imx/busfreq-imx.c index 909a70dadf94..1bbee6762853 100644 --- a/arch/arm/mach-imx/busfreq-imx.c +++ b/arch/arm/mach-imx/busfreq-imx.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2011-2016 Freescale Semiconductor, Inc. All Rights Reserved. + * 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 as published by @@ -172,10 +173,8 @@ static void imx6ull_lower_cpu_rate(bool enter) if (enter) { org_arm_rate = clk_get_rate(arm_clk); - if (cpu_is_imx6sll()) { - origin_arm_volt = regulator_get_voltage(arm_reg); - origin_soc_volt = regulator_get_voltage(soc_reg); - } + origin_arm_volt = regulator_get_voltage(arm_reg); + origin_soc_volt = regulator_get_voltage(soc_reg); } clk_set_parent(pll1_bypass_clk, pll1_bypass_src_clk); @@ -195,7 +194,7 @@ static void imx6ull_lower_cpu_rate(bool enter) pr_err("set soc reg voltage failed\n"); } } else { - if (cpu_is_imx6sll() && uart_from_osc) { + if (uart_from_osc) { ret = regulator_set_voltage_tol(soc_reg, origin_soc_volt, 0); if (ret) pr_err("set soc reg voltage failed\n"); |