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| author | Anand Moon <linux.amoon@gmail.com> | 2021-08-17 09:45:39 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-08-17 16:00:44 +0530 |
| commit | e1f31c93a8d292f2e5b17daa384feaa28453f25e (patch) | |
| tree | 14fe07281bc2b6d789e2ba3a57195100677a67f9 /drivers/phy/amlogic | |
| parent | 7508d1e4031168afac1793bf1f2a29a7c3fce423 (diff) | |
| download | lwn-e1f31c93a8d292f2e5b17daa384feaa28453f25e.tar.gz lwn-e1f31c93a8d292f2e5b17daa384feaa28453f25e.zip | |
phy: amlogic: meson8b-usb2: Power off the PHY by putting it into reset mode
Power off the PHY by putting it into reset mode.
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20210817041548.1276-6-linux.amoon@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy/amlogic')
| -rw-r--r-- | drivers/phy/amlogic/phy-meson8b-usb2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c index 03c061dd5f0d..2aad45c55494 100644 --- a/drivers/phy/amlogic/phy-meson8b-usb2.c +++ b/drivers/phy/amlogic/phy-meson8b-usb2.c @@ -219,6 +219,10 @@ static int phy_meson8b_usb2_power_off(struct phy *phy) clk_disable_unprepare(priv->clk_usb); clk_disable_unprepare(priv->clk_usb_general); + /* power off the PHY by putting it into reset mode */ + regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET, + REG_CTRL_POWER_ON_RESET); + return 0; } |