ipq806x: usb: add phy 1 master reset control
authorPavel Kubelun <be.dissent@gmail.com>
Thu, 15 Jun 2017 10:58:34 +0000 (13:58 +0300)
committerFelix Fietkau <nbd@nbd.name>
Wed, 17 Jan 2018 10:04:57 +0000 (11:04 +0100)
In current state only phy 0 master reset is controlled.
Add the phy 1 reset.

Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064.dtsi
target/linux/ipq806x/patches-4.9/0074-ipq806x-usb-Control-USB-master-reset.patch

index b378da3..90f7a10 100644 (file)
                        ranges;
 
                        resets = <&gcc USB30_0_MASTER_RESET>;
-                       reset-names = "usb30_mstr_rst";
+                       reset-names = "usb30_0_mstr_rst";
 
                        status = "disabled";
 
 
                        ranges;
 
+                       resets = <&gcc USB30_1_MASTER_RESET>;
+                       reset-names = "usb30_1_mstr_rst";
+
                        status = "disabled";
 
                        dwc3@10000000 {
index feb5a2f..d5ff868 100644 (file)
@@ -11,7 +11,7 @@ Change-Id: I537dc810f6cb2a46664ee674840145066432b957
 Signed-off-by: Vasudevan Murugesan <vmuruges@codeaurora.org>
 (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 <linux/of.h>
  #include <linux/of_platform.h>
  #include <linux/pm_runtime.h>
-@@ -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);