thunderbolt: Add support for Intel Maple Ridge

Maple Ridge is first discrete USB4 host controller from Intel. It comes
with firmware based connection manager and the flows are similar as used
in Intel Titan Ridge.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 35935c1..adc7b61 100644 (file)
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -2499,6 +2499,17 @@ struct tb *icm_probe(struct tb_nhi *nhi)
                icm->rtd3_veto = icm_icl_rtd3_veto;
                tb->cm_ops = &icm_icl_ops;
                break;
+
+       case PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_4C_NHI:
+               icm->is_supported = icm_tgl_is_supported;
+               icm->get_mode = icm_ar_get_mode;
+               icm->driver_ready = icm_tr_driver_ready;
+               icm->device_connected = icm_tr_device_connected;
+               icm->device_disconnected = icm_tr_device_disconnected;
+               icm->xdomain_connected = icm_tr_xdomain_connected;
+               icm->xdomain_disconnected = icm_tr_xdomain_disconnected;
+               tb->cm_ops = &icm_tr_ops;
+               break;
        }
 
        if (!icm->is_supported || !icm->is_supported(tb)) {

diff --git a/drivers/thunderbolt/nhi.h b/drivers/thunderbolt/nhi.h
index 80162e4..ffe0531 100644 (file)
--- a/drivers/thunderbolt/nhi.h
+++ b/drivers/thunderbolt/nhi.h
@@ -55,6 +55,7 @@ extern const struct tb_nhi_ops icl_nhi_ops;
  * need for the PCI quirk anymore as we will use ICM also on Apple
  * hardware.
  */
+#define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_4C_NHI         0x1137
 #define PCI_DEVICE_ID_INTEL_WIN_RIDGE_2C_NHI            0x157d
 #define PCI_DEVICE_ID_INTEL_WIN_RIDGE_2C_BRIDGE         0x157e
 #define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_NHI                0x15bf