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@ -11,7 +11,7 @@ Change-Id: I537dc810f6cb2a46664ee674840145066432b957 |
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Signed-off-by: Vasudevan Murugesan <vmuruges@codeaurora.org>
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(cherry picked from commit 4611e13580a216812f85f0801b95442d02eeb836)
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---
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drivers/usb/dwc3/dwc3-of-simple.c | 12 ++++++++++++
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drivers/usb/dwc3/dwc3-of-simple.c | 22 ++++++++++++++++++++++
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1 file changed, 12 insertions(+)
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(limited to 'drivers/usb/dwc3/dwc3-of-simple.c')
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@ -28,34 +28,45 @@ index f9e92ef..49bf556 100644 |
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#include <linux/of.h>
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#include <linux/of_platform.h>
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#include <linux/pm_runtime.h>
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@@ -34,6 +35,7 @@ struct dwc3_of_simple {
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@@ -34,6 +35,8 @@ struct dwc3_of_simple {
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struct device *dev;
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struct clk **clks;
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int num_clocks;
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+ struct reset_control *mstr_rst;
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+ struct reset_control *mstr_rst_30_0;
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+ struct reset_control *mstr_rst_30_1;
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};
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static int dwc3_of_simple_probe(struct platform_device *pdev)
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@@ -89,6 +91,13 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
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@@ -89,6 +92,20 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
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simple->clks[i] = clk;
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}
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+ simple->mstr_rst = devm_reset_control_get(dev, "usb30_mstr_rst");
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+ simple->mstr_rst_30_0 = devm_reset_control_get(dev, "usb30_0_mstr_rst");
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+
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+ if (!IS_ERR(simple->mstr_rst))
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+ reset_control_deassert(simple->mstr_rst);
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+ if (!IS_ERR(simple->mstr_rst_30_0))
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+ reset_control_deassert(simple->mstr_rst_30_0);
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+ else
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+ dev_dbg(simple->dev, "cannot get handle for master reset control\n");
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+ dev_dbg(simple->dev, "cannot get handle for USB PHY 0 master reset control\n");
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+
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+ simple->mstr_rst_30_1 = devm_reset_control_get(dev, "usb30_1_mstr_rst");
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+
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+ if (!IS_ERR(simple->mstr_rst_30_1))
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+ reset_control_deassert(simple->mstr_rst_30_1);
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+ else
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+ dev_dbg(simple->dev, "cannot get handle for USB PHY 1 master reset control\n");
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+
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ret = of_platform_populate(np, NULL, NULL, dev);
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if (ret) {
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for (i = 0; i < simple->num_clocks; i++) {
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@@ -117,6 +126,9 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
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@@ -117,6 +134,12 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
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clk_put(simple->clks[i]);
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}
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+ if (!IS_ERR(simple->mstr_rst))
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+ reset_control_assert(simple->mstr_rst);
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+ if (!IS_ERR(simple->mstr_rst_30_0))
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+ reset_control_assert(simple->mstr_rst_30_0);
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+
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+ if (!IS_ERR(simple->mstr_rst_30_1))
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+ reset_control_assert(simple->mstr_rst_30_1);
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+
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of_platform_depopulate(dev);
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