From: Anand Moon <linux.amoon@gmail.com>
To: linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Anand Moon <linux.amoon@gmail.com>,
Matt Corallo <oc2udbzfd@mattcorallo.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Rob Herring <robh+dt@kernel.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Vinod Koul <vkoul@kernel.org>,
Emiliano Ingrassia <ingrassia@epigenesys.com>,
Brian Kim <brian.kim@hardkernel.com>,
devicetree@vger.kernel.org
Subject: [PATCHv2 3/4] phy: amlogic: meson8b-usb2: Power off the PHY by putting it into reset mode
Date: Fri, 16 Jul 2021 10:36:35 +0000 [thread overview]
Message-ID: <20210716103651.1455-4-linux.amoon@gmail.com> (raw)
In-Reply-To: <20210716103651.1455-1-linux.amoon@gmail.com>
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>
---
None: Added Martin's Ack
---
drivers/phy/amlogic/phy-meson8b-usb2.c | 4 ++++
1 file changed, 4 insertions(+)
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;
}
--
2.32.0
next prev parent reply other threads:[~2021-07-16 10:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-16 10:36 [PATCHv2 0/4] Meson-8b and Meson-gxbb Fix some missing code Anand Moon
2021-07-16 10:36 ` [PATCHv2 1/4] ARM: dts: meson8b: odroidc1: Add usb phy power node Anand Moon
2021-07-17 19:46 ` Martin Blumenstingl
2021-07-18 3:38 ` Anand Moon
2021-07-18 11:37 ` Martin Blumenstingl
2021-07-18 13:29 ` Anand Moon
2021-07-18 14:01 ` Martin Blumenstingl
2021-07-18 19:09 ` Martin Blumenstingl
2021-08-04 21:58 ` Martin Blumenstingl
2021-08-05 18:18 ` Anand Moon
2021-08-13 19:35 ` Anand Moon
2021-07-16 10:36 ` [PATCHv2 2/4] arm64: dts: amlogic: odroidc2: Fix the chip enable signal for usb power Anand Moon
2021-07-17 19:59 ` Martin Blumenstingl
2021-07-16 10:36 ` Anand Moon [this message]
2021-07-16 10:36 ` [PATCHv2 4/4] phy: amlogic: meson8b-usb2: don't log an error on -EPROBE_DEFER Anand Moon
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