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path: root/drivers/serial/serial_tegra.c
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Diffstat (limited to 'drivers/serial/serial_tegra.c')
-rw-r--r--drivers/serial/serial_tegra.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/serial/serial_tegra.c b/drivers/serial/serial_tegra.c
new file mode 100644
index 0000000..7eb70e1
--- /dev/null
+++ b/drivers/serial/serial_tegra.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <ns16550.h>
+#include <serial.h>
+
+static const struct udevice_id tegra_serial_ids[] = {
+ { .compatible = "nvidia,tegra20-uart" },
+ { }
+};
+
+static int tegra_serial_ofdata_to_platdata(struct udevice *dev)
+{
+ struct ns16550_platdata *plat = dev_get_platdata(dev);
+ int ret;
+
+ ret = ns16550_serial_ofdata_to_platdata(dev);
+ if (ret)
+ return ret;
+ plat->clock = V_NS16550_CLK;
+
+ return 0;
+}
+U_BOOT_DRIVER(serial_ns16550) = {
+ .name = "serial_tegra20",
+ .id = UCLASS_SERIAL,
+ .of_match = tegra_serial_ids,
+ .ofdata_to_platdata = tegra_serial_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
+ .priv_auto_alloc_size = sizeof(struct NS16550),
+ .probe = ns16550_serial_probe,
+ .ops = &ns16550_serial_ops,
+};