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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,
	devicetree@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>
Subject: [PATCHv3 5/6] phy: amlogic: meson8b-usb2: Power off the PHY by putting it into reset mode
Date: Tue, 17 Aug 2021 09:45:39 +0530	[thread overview]
Message-ID: <20210817041548.1276-6-linux.amoon@gmail.com> (raw)
In-Reply-To: <20210817041548.1276-1-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>
---
v2 - None
---
 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


  parent reply	other threads:[~2021-08-17  4:18 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17  4:15 [PATCHv3 0/6] Meson-8b and Meson-gxbb Fix some missing code Anand Moon
2021-08-17  4:15 ` [PATCHv3 1/6] ARM: dts: meson8b: odroidc1: Add usb phy power node Anand Moon
2021-08-28 15:53   ` Martin Blumenstingl
2021-08-30  7:45   ` Neil Armstrong
2021-08-30 19:37     ` Martin Blumenstingl
2021-08-31 14:50       ` Neil Armstrong
2021-08-31 20:47         ` Anand Moon
2021-09-20 19:26           ` Martin Blumenstingl
2021-09-25 17:41             ` Anand Moon
2021-08-17  4:15 ` [PATCHv3 2/6] ARM: dts: meson8b: odroidc1: Set usb power source to always on Anand Moon
2021-08-28 15:56   ` Martin Blumenstingl
2021-08-17  4:15 ` [PATCHv3 3/6] arm64: dts: amlogic: odroidc2: Fix the chip enable signal for usb power Anand Moon
2021-08-28 16:00   ` Martin Blumenstingl
2021-08-17  4:15 ` [PATCHv3 4/6] arm64: dts: amlogic: odroidc2: use vbus-supply for power source for usb nodes Anand Moon
2021-08-28 16:06   ` Martin Blumenstingl
2021-08-17  4:15 ` Anand Moon [this message]
2021-08-17 10:30   ` [PATCHv3 5/6] phy: amlogic: meson8b-usb2: Power off the PHY by putting it into reset mode Vinod Koul
2021-08-17  4:15 ` [PATCHv3 6/6] phy: amlogic: meson8b-usb2: don't log an error on -EPROBE_DEFER Anand Moon
2021-08-17 10:31   ` Vinod Koul

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