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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Kishon Vijay Abraham I <kishon@ti.com>, Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Chunfeng Yun <chunfeng.yun@mediatek.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH v3 06/11] phy: phy-mtk-tphy: add a property for disconnect threshold
Date: Thu, 19 Sep 2019 17:10:37 +0800	[thread overview]
Message-ID: <1568884242-22775-6-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1568884242-22775-1-git-send-email-chunfeng.yun@mediatek.com>

This is used to tune the threshold of disconnect

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2~3: no changes
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index cb2ed3b25068..5afe33621dbc 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -60,6 +60,8 @@
 #define U3P_USBPHYACR6		0x018
 #define PA6_RG_U2_BC11_SW_EN		BIT(23)
 #define PA6_RG_U2_OTG_VBUSCMP_EN	BIT(20)
+#define PA6_RG_U2_DISCTH		GENMASK(7, 4)
+#define PA6_RG_U2_DISCTH_VAL(x)	((0xf & (x)) << 4)
 #define PA6_RG_U2_SQTH		GENMASK(3, 0)
 #define PA6_RG_U2_SQTH_VAL(x)	(0xf & (x))
 
@@ -300,6 +302,7 @@ struct mtk_phy_instance {
 	int eye_src;
 	int eye_vrt;
 	int eye_term;
+	int discth;
 	bool bc12_en;
 };
 
@@ -850,9 +853,12 @@ static void phy_parse_property(struct mtk_tphy *tphy,
 				 &instance->eye_vrt);
 	device_property_read_u32(dev, "mediatek,eye-term",
 				 &instance->eye_term);
-	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d\n",
+	device_property_read_u32(dev, "mediatek,discth",
+				 &instance->discth);
+	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d, disc:%d\n",
 		instance->bc12_en, instance->eye_src,
-		instance->eye_vrt, instance->eye_term);
+		instance->eye_vrt, instance->eye_term,
+		instance->discth);
 }
 
 static void u2_phy_props_set(struct mtk_tphy *tphy,
@@ -888,6 +894,13 @@ static void u2_phy_props_set(struct mtk_tphy *tphy,
 		tmp |= PA1_RG_TERM_SEL_VAL(instance->eye_term);
 		writel(tmp, com + U3P_USBPHYACR1);
 	}
+
+	if (instance->discth) {
+		tmp = readl(com + U3P_USBPHYACR6);
+		tmp &= ~PA6_RG_U2_DISCTH;
+		tmp |= PA6_RG_U2_DISCTH_VAL(instance->discth);
+		writel(tmp, com + U3P_USBPHYACR6);
+	}
 }
 
 static int mtk_phy_init(struct phy *phy)
-- 
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Kishon Vijay Abraham I <kishon@ti.com>, Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Chunfeng Yun <chunfeng.yun@mediatek.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: [PATCH v3 06/11] phy: phy-mtk-tphy: add a property for disconnect threshold
Date: Thu, 19 Sep 2019 17:10:37 +0800	[thread overview]
Message-ID: <1568884242-22775-6-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1568884242-22775-1-git-send-email-chunfeng.yun@mediatek.com>

This is used to tune the threshold of disconnect

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2~3: no changes
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index cb2ed3b25068..5afe33621dbc 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -60,6 +60,8 @@
 #define U3P_USBPHYACR6		0x018
 #define PA6_RG_U2_BC11_SW_EN		BIT(23)
 #define PA6_RG_U2_OTG_VBUSCMP_EN	BIT(20)
+#define PA6_RG_U2_DISCTH		GENMASK(7, 4)
+#define PA6_RG_U2_DISCTH_VAL(x)	((0xf & (x)) << 4)
 #define PA6_RG_U2_SQTH		GENMASK(3, 0)
 #define PA6_RG_U2_SQTH_VAL(x)	(0xf & (x))
 
@@ -300,6 +302,7 @@ struct mtk_phy_instance {
 	int eye_src;
 	int eye_vrt;
 	int eye_term;
+	int discth;
 	bool bc12_en;
 };
 
@@ -850,9 +853,12 @@ static void phy_parse_property(struct mtk_tphy *tphy,
 				 &instance->eye_vrt);
 	device_property_read_u32(dev, "mediatek,eye-term",
 				 &instance->eye_term);
-	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d\n",
+	device_property_read_u32(dev, "mediatek,discth",
+				 &instance->discth);
+	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d, disc:%d\n",
 		instance->bc12_en, instance->eye_src,
-		instance->eye_vrt, instance->eye_term);
+		instance->eye_vrt, instance->eye_term,
+		instance->discth);
 }
 
 static void u2_phy_props_set(struct mtk_tphy *tphy,
@@ -888,6 +894,13 @@ static void u2_phy_props_set(struct mtk_tphy *tphy,
 		tmp |= PA1_RG_TERM_SEL_VAL(instance->eye_term);
 		writel(tmp, com + U3P_USBPHYACR1);
 	}
+
+	if (instance->discth) {
+		tmp = readl(com + U3P_USBPHYACR6);
+		tmp &= ~PA6_RG_U2_DISCTH;
+		tmp |= PA6_RG_U2_DISCTH_VAL(instance->discth);
+		writel(tmp, com + U3P_USBPHYACR6);
+	}
 }
 
 static int mtk_phy_init(struct phy *phy)
-- 
2.23.0

WARNING: multiple messages have this Message-ID (diff)
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Kishon Vijay Abraham I <kishon@ti.com>, Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Chunfeng Yun <chunfeng.yun@mediatek.com>,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 06/11] phy: phy-mtk-tphy: add a property for disconnect threshold
Date: Thu, 19 Sep 2019 17:10:37 +0800	[thread overview]
Message-ID: <1568884242-22775-6-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1568884242-22775-1-git-send-email-chunfeng.yun@mediatek.com>

This is used to tune the threshold of disconnect

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2~3: no changes
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index cb2ed3b25068..5afe33621dbc 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -60,6 +60,8 @@
 #define U3P_USBPHYACR6		0x018
 #define PA6_RG_U2_BC11_SW_EN		BIT(23)
 #define PA6_RG_U2_OTG_VBUSCMP_EN	BIT(20)
+#define PA6_RG_U2_DISCTH		GENMASK(7, 4)
+#define PA6_RG_U2_DISCTH_VAL(x)	((0xf & (x)) << 4)
 #define PA6_RG_U2_SQTH		GENMASK(3, 0)
 #define PA6_RG_U2_SQTH_VAL(x)	(0xf & (x))
 
@@ -300,6 +302,7 @@ struct mtk_phy_instance {
 	int eye_src;
 	int eye_vrt;
 	int eye_term;
+	int discth;
 	bool bc12_en;
 };
 
@@ -850,9 +853,12 @@ static void phy_parse_property(struct mtk_tphy *tphy,
 				 &instance->eye_vrt);
 	device_property_read_u32(dev, "mediatek,eye-term",
 				 &instance->eye_term);
-	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d\n",
+	device_property_read_u32(dev, "mediatek,discth",
+				 &instance->discth);
+	dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d, disc:%d\n",
 		instance->bc12_en, instance->eye_src,
-		instance->eye_vrt, instance->eye_term);
+		instance->eye_vrt, instance->eye_term,
+		instance->discth);
 }
 
 static void u2_phy_props_set(struct mtk_tphy *tphy,
@@ -888,6 +894,13 @@ static void u2_phy_props_set(struct mtk_tphy *tphy,
 		tmp |= PA1_RG_TERM_SEL_VAL(instance->eye_term);
 		writel(tmp, com + U3P_USBPHYACR1);
 	}
+
+	if (instance->discth) {
+		tmp = readl(com + U3P_USBPHYACR6);
+		tmp &= ~PA6_RG_U2_DISCTH;
+		tmp |= PA6_RG_U2_DISCTH_VAL(instance->discth);
+		writel(tmp, com + U3P_USBPHYACR6);
+	}
 }
 
 static int mtk_phy_init(struct phy *phy)
-- 
2.23.0


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  parent reply	other threads:[~2019-09-19  9:11 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-19  9:10 [PATCH v3 01/11] dt-bindings: phy-mtk-tphy: add two optional properties for u2phy Chunfeng Yun
2019-09-19  9:10 ` Chunfeng Yun
2019-09-19  9:10 ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 02/11] dt-bindings: phy-mtk-tphy: make the ref clock optional Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 03/11] dt-bindings: phy-mtk-tphy: remove unused u3phya_ref clock Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 04/11] dt-bindings: phy-mtk-tphy: add a new reference clock Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 05/11] dt-bindings: phy-mtk-tphy: add the properties about address mapping Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` Chunfeng Yun [this message]
2019-09-19  9:10   ` [PATCH v3 06/11] phy: phy-mtk-tphy: add a property for disconnect threshold Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 07/11] phy: phy-mtk-tphy: add a property for internal resistance Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 08/11] phy: phy-mtk-tphy: make the ref clock optional Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 09/11] phy: phy-mtk-tphy: remove unused u3phya_ref clock Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 10/11] phy: phy-mtk-tphy: add a new reference clock Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10 ` [PATCH v3 11/11] arm64: dts: mt2712: use non-empty ranges for usb-phy Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun
2019-09-19  9:10   ` Chunfeng Yun

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