From e93a16ed3ff0e6ad8ffb042cd340c28a117380b9 Mon Sep 17 00:00:00 2001 From: Pavel Kubelun Date: Thu, 15 Jun 2017 13:58:34 +0300 Subject: [PATCH] ipq806x: usb: add phy 1 master reset control In current state only phy 0 master reset is controlled. Add the phy 1 reset. Signed-off-by: Pavel Kubelun --- .../arch/arm/boot/dts/qcom-ipq8064.dtsi | 5 ++- ...ipq806x-usb-Control-USB-master-reset.patch | 33 ++++++++++++------- 2 files changed, 26 insertions(+), 12 deletions(-) diff --git a/target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064.dtsi b/target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064.dtsi index b378da31a620..90f7a10186b5 100644 --- a/target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064.dtsi +++ b/target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064.dtsi @@ -968,7 +968,7 @@ ranges; resets = <&gcc USB30_0_MASTER_RESET>; - reset-names = "usb30_mstr_rst"; + reset-names = "usb30_0_mstr_rst"; status = "disabled"; @@ -992,6 +992,9 @@ ranges; + resets = <&gcc USB30_1_MASTER_RESET>; + reset-names = "usb30_1_mstr_rst"; + status = "disabled"; dwc3@10000000 { diff --git a/target/linux/ipq806x/patches-4.9/0074-ipq806x-usb-Control-USB-master-reset.patch b/target/linux/ipq806x/patches-4.9/0074-ipq806x-usb-Control-USB-master-reset.patch index feb5a2f4d351..d5ff868291a5 100644 --- a/target/linux/ipq806x/patches-4.9/0074-ipq806x-usb-Control-USB-master-reset.patch +++ b/target/linux/ipq806x/patches-4.9/0074-ipq806x-usb-Control-USB-master-reset.patch @@ -11,7 +11,7 @@ Change-Id: I537dc810f6cb2a46664ee674840145066432b957 Signed-off-by: Vasudevan Murugesan (cherry picked from commit 4611e13580a216812f85f0801b95442d02eeb836) --- - drivers/usb/dwc3/dwc3-of-simple.c | 12 ++++++++++++ + drivers/usb/dwc3/dwc3-of-simple.c | 22 ++++++++++++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/usb/dwc3/dwc3-of-simple.c') @@ -28,34 +28,45 @@ index f9e92ef..49bf556 100644 #include #include #include -@@ -34,6 +35,7 @@ struct dwc3_of_simple { +@@ -34,6 +35,8 @@ struct dwc3_of_simple { struct device *dev; struct clk **clks; int num_clocks; -+ struct reset_control *mstr_rst; ++ struct reset_control *mstr_rst_30_0; ++ struct reset_control *mstr_rst_30_1; }; static int dwc3_of_simple_probe(struct platform_device *pdev) -@@ -89,6 +91,13 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) +@@ -89,6 +92,20 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) simple->clks[i] = clk; } -+ simple->mstr_rst = devm_reset_control_get(dev, "usb30_mstr_rst"); ++ simple->mstr_rst_30_0 = devm_reset_control_get(dev, "usb30_0_mstr_rst"); + -+ if (!IS_ERR(simple->mstr_rst)) -+ reset_control_deassert(simple->mstr_rst); ++ if (!IS_ERR(simple->mstr_rst_30_0)) ++ reset_control_deassert(simple->mstr_rst_30_0); + else -+ dev_dbg(simple->dev, "cannot get handle for master reset control\n"); ++ dev_dbg(simple->dev, "cannot get handle for USB PHY 0 master reset control\n"); ++ ++ simple->mstr_rst_30_1 = devm_reset_control_get(dev, "usb30_1_mstr_rst"); ++ ++ if (!IS_ERR(simple->mstr_rst_30_1)) ++ reset_control_deassert(simple->mstr_rst_30_1); ++ else ++ dev_dbg(simple->dev, "cannot get handle for USB PHY 1 master reset control\n"); + ret = of_platform_populate(np, NULL, NULL, dev); if (ret) { for (i = 0; i < simple->num_clocks; i++) { -@@ -117,6 +126,9 @@ static int dwc3_of_simple_remove(struct platform_device *pdev) +@@ -117,6 +134,12 @@ static int dwc3_of_simple_remove(struct platform_device *pdev) clk_put(simple->clks[i]); } -+ if (!IS_ERR(simple->mstr_rst)) -+ reset_control_assert(simple->mstr_rst); ++ if (!IS_ERR(simple->mstr_rst_30_0)) ++ reset_control_assert(simple->mstr_rst_30_0); ++ ++ if (!IS_ERR(simple->mstr_rst_30_1)) ++ reset_control_assert(simple->mstr_rst_30_1); + of_platform_depopulate(dev); -- 2.30.2