target/linux/ar71xx/patches-4.14/920-usb-chipidea-AR933x-platform-support.patch

   1 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
   2 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
   3 @@ -659,6 +659,7 @@
   4
   5  #define AR933X_BOOTSTRAP_MDIO_GPIO_EN  BIT(18)
   6  #define AR933X_BOOTSTRAP_EEPBUSY       BIT(4)
   7 +#define AR933X_BOOTSTRAP_USB_MODE_HOST BIT(3)
   8  #define AR933X_BOOTSTRAP_REF_CLK_40    BIT(0)
   9
  10  #define AR934X_BOOTSTRAP_SW_OPTION8    BIT(23)
  11 @@ -688,6 +689,8 @@
  12
  13  #define QCA956X_BOOTSTRAP_REF_CLK_40   BIT(2)
  14
  15 +#define AR933X_USB_CONFIG_HOST_ONLY   BIT(8)
  16 +
  17  #define AR934X_PCIE_WMAC_INT_WMAC_MISC         BIT(0)
  18  #define AR934X_PCIE_WMAC_INT_WMAC_TX           BIT(1)
  19  #define AR934X_PCIE_WMAC_INT_WMAC_RXLP         BIT(2)
  20 --- a/arch/mips/ath79/dev-usb.c
  21 +++ b/arch/mips/ath79/dev-usb.c
  22 @@ -19,6 +19,9 @@
  23  #include <linux/platform_device.h>
  24  #include <linux/usb/ehci_pdriver.h>
  25  #include <linux/usb/ohci_pdriver.h>
  26 +#include <linux/usb/otg.h>
  27 +#include <linux/usb/chipidea.h>
  28 +#include <linux/usb/usb_phy_generic.h>
  29
  30  #include <asm/mach-ath79/ath79.h>
  31  #include <asm/mach-ath79/ar71xx_regs.h>
  32 @@ -170,6 +173,44 @@ static void __init ar913x_usb_setup(void
  33                            &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
  34  }
  35
  36 +static void __init ar9xxx_ci_usb_setup(int bus_id, int irq)
  37 +{
  38 +       struct ci_hdrc_platform_data ci_pdata;
  39 +       bool host_mode = true;
  40 +
  41 +       if (soc_is_ar933x())
  42 +               host_mode = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) &
  43 +                           AR933X_BOOTSTRAP_USB_MODE_HOST;
  44 +       else
  45 +               host_mode = !(ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP) &
  46 +                             AR934X_BOOTSTRAP_USB_MODE_DEVICE);
  47 +
  48 +       if (host_mode) {
  49 +               ath79_usb_register("ehci-platform", bus_id,
  50 +                                  AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
  51 +                                  irq, &ath79_ehci_pdata_v2,
  52 +                                  sizeof(ath79_ehci_pdata_v2));
  53 +
  54 +               return;
  55 +       }
  56 +
  57 +       memset(&ci_pdata, 0, sizeof(ci_pdata));
  58 +       ci_pdata.name = "ci_hdrc_ar9xxx";
  59 +       ci_pdata.capoffset = DEF_CAPOFFSET;
  60 +       ci_pdata.dr_mode = USB_DR_MODE_PERIPHERAL;
  61 +       ci_pdata.flags = CI_HDRC_DUAL_ROLE_NOT_OTG | CI_HDRC_DP_ALWAYS_PULLUP;
  62 +       ci_pdata.vbus_extcon.edev = ERR_PTR(-ENODEV);
  63 +       ci_pdata.id_extcon.edev = ERR_PTR(-ENODEV);
  64 +       ci_pdata.itc_setting = 1;
  65 +
  66 +       platform_device_register_simple("usb_phy_generic",
  67 +                                       PLATFORM_DEVID_AUTO, NULL, 0);
  68 +
  69 +       ath79_usb_register("ci_hdrc", -1,
  70 +                          AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
  71 +                          irq, &ci_pdata, sizeof(ci_pdata));
  72 +}
  73 +
  74  static void __init ar933x_usb_setup(void)
  75  {
  76         ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
  77 @@ -181,10 +222,7 @@ static void __init ar933x_usb_setup(void
  78         ath79_device_reset_clear(AR933X_RESET_USB_PHY);
  79         mdelay(10);
  80
  81 -       ath79_usb_register("ehci-platform", -1,
  82 -                          AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
  83 -                          ATH79_CPU_IRQ(3),
  84 -                          &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
  85 +       ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
  86  }
  87
  88  static void enable_tx_tx_idp_violation_fix(unsigned base)
  89 @@ -230,10 +268,7 @@ static void __init ar934x_usb_setup(void
  90         if (ath79_soc_rev >= 3)
  91                 ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
  92
  93 -       ath79_usb_register("ehci-platform", -1,
  94 -                          AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
  95 -                          ATH79_CPU_IRQ(3),
  96 -                          &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
  97 +       ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
  98  }
  99
 100  static void __init qca953x_usb_setup(void)
 101 @@ -254,10 +289,7 @@ static void __init qca953x_usb_setup(voi
 102         ath79_device_reset_clear(QCA953X_RESET_USB_HOST);
 103         udelay(1000);
 104
 105 -       ath79_usb_register("ehci-platform", -1,
 106 -                          QCA953X_EHCI_BASE, QCA953X_EHCI_SIZE,
 107 -                          ATH79_CPU_IRQ(3),
 108 -                          &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
 109 +       ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
 110  }
 111
 112  static void qca955x_usb_reset_notifier(struct platform_device *pdev)
 113 @@ -285,10 +317,7 @@ static void __init qca955x_usb_setup(voi
 114  {
 115         ath79_ehci_pdata_v2.reset_notifier = qca955x_usb_reset_notifier;
 116
 117 -       ath79_usb_register("ehci-platform", 0,
 118 -                          QCA955X_EHCI0_BASE, QCA955X_EHCI_SIZE,
 119 -                          ATH79_IP3_IRQ(0),
 120 -                          &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
 121 +       ar9xxx_ci_usb_setup(0, ATH79_IP3_IRQ(0));
 122
 123         ath79_usb_register("ehci-platform", 1,
 124                            QCA955X_EHCI1_BASE, QCA955X_EHCI_SIZE,