diff options
| author | Hu Ziji <huziji@marvell.com> | 2017-03-30 17:23:01 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 21:42:17 +0200 |
| commit | 298269c602b54dd56e1424cb8e706fc30bc7d489 (patch) | |
| tree | 4e21fbd4cae6314f5ab846eaf4dba6a72060c30e /drivers/mmc/host/sdhci-xenon.c | |
| parent | 06c8b667ff5b984ac3aa901c4928e4a427987a56 (diff) | |
| download | linux-298269c602b54dd56e1424cb8e706fc30bc7d489.tar.gz | |
mmc: sdhci-xenon: Add SoC PHY PAD voltage control
Some SoCs have PHY PAD outside Xenon IP.
PHY PAD voltage should match signalling voltage in use.
Add generic SoC PHY PAD voltage control interface.
Implement Aramda-3700 SoC PHY PAD voltage control.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Tested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-xenon.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-xenon.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 36e22bd2b8cc..8e56b9ccfb39 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -280,6 +280,8 @@ static int xenon_start_signal_voltage_switch(struct mmc_host *mmc, */ xenon_enable_internal_clk(host); + xenon_soc_pad_ctrl(host, ios->signal_voltage); + /* * If Vqmmc is fixed on platform, vqmmc regulator should be unavailable. * Thus SDHCI_CTRL_VDD_180 bit might not work then. |