usb: xhci: tegra: Add Tegra210 support

Parameterize more parts of the driver and add support for Tegra210.

Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index 2860a45..0f53ae0 100644 (file)
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -159,6 +159,8 @@ struct tegra_xusb_soc {
                        unsigned int count;
                } usb2, ulpi, hsic, usb3;
        } ports;
+
+       bool scale_ss_clock;
 };
 
 struct tegra_xusb {
@@ -497,13 +499,19 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra,
 
        case MBOX_CMD_INC_SSPI_CLOCK:
        case MBOX_CMD_DEC_SSPI_CLOCK:
-               err = tegra_xusb_set_ss_clk(tegra, msg->data * 1000);
-               if (err < 0)
-                       rsp.cmd = MBOX_CMD_NAK;
-               else
+               if (tegra->soc->scale_ss_clock) {
+                       err = tegra_xusb_set_ss_clk(tegra, msg->data * 1000);
+                       if (err < 0)
+                               rsp.cmd = MBOX_CMD_NAK;
+                       else
+                               rsp.cmd = MBOX_CMD_ACK;
+
+                       rsp.data = clk_get_rate(tegra->ss_src_clk) / 1000;
+               } else {
                        rsp.cmd = MBOX_CMD_ACK;
+                       rsp.data = msg->data;
+               }
 
-               rsp.data = clk_get_rate(tegra->ss_src_clk) / 1000;
                break;
 
        case MBOX_CMD_SET_BW:
@@ -685,9 +693,11 @@ static int tegra_xusb_clk_enable(struct tegra_xusb *tegra)
        if (err < 0)
                goto disable_fs_src;
 
-       err = tegra_xusb_set_ss_clk(tegra, TEGRA_XHCI_SS_HIGH_SPEED);
-       if (err < 0)
-               goto disable_hs_src;
+       if (tegra->soc->scale_ss_clock) {
+               err = tegra_xusb_set_ss_clk(tegra, TEGRA_XHCI_SS_HIGH_SPEED);
+               if (err < 0)
+                       goto disable_hs_src;
+       }
 
        return 0;
 
@@ -1235,11 +1245,44 @@ static const struct tegra_xusb_soc tegra124_soc = {
                .hsic = { .offset = 6, .count = 2, },
                .usb3 = { .offset = 0, .count = 2, },
        },
+       .scale_ss_clock = true,
 };
 MODULE_FIRMWARE("nvidia/tegra124/xusb.bin");
 
+static const char * const tegra210_supply_names[] = {
+       "dvddio-pex",
+       "hvddio-pex",
+       "avdd-usb",
+       "avdd-pll-utmip",
+       "avdd-pll-uerefe",
+       "dvdd-pex-pll",
+       "hvdd-pex-pll-e",
+};
+
+static const struct tegra_xusb_phy_type tegra210_phy_types[] = {
+       { .name = "usb3", .num = 4, },
+       { .name = "usb2", .num = 4, },
+       { .name = "hsic", .num = 1, },
+};
+
+static const struct tegra_xusb_soc tegra210_soc = {
+       .firmware = "nvidia/tegra210/xusb.bin",
+       .supply_names = tegra210_supply_names,
+       .num_supplies = ARRAY_SIZE(tegra210_supply_names),
+       .phy_types = tegra210_phy_types,
+       .num_types = ARRAY_SIZE(tegra210_phy_types),
+       .ports = {
+               .usb2 = { .offset = 4, .count = 4, },
+               .hsic = { .offset = 8, .count = 1, },
+               .usb3 = { .offset = 0, .count = 4, },
+       },
+       .scale_ss_clock = false,
+};
+MODULE_FIRMWARE("nvidia/tegra210/xusb.bin");
+
 static const struct of_device_id tegra_xusb_of_match[] = {
        { .compatible = "nvidia,tegra124-xusb", .data = &tegra124_soc },
+       { .compatible = "nvidia,tegra210-xusb", .data = &tegra210_soc },
        { },
 };
 MODULE_DEVICE_TABLE(of, tegra_xusb_of_match);