Add driver model support to this driver, while retaining support for the
legacy system. Driver model serial support is enabled with CONFIG_DM_SERIAL
as usual.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/serial/Makefile | 1 +
drivers/serial/serial_omap.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
create mode 100644 drivers/serial/serial_omap.c
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 853a8c6..9ac3496 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_FSL_LPUART) += serial_lpuart.o
obj-$(CONFIG_MXS_AUART) += mxs_auart.o
obj-$(CONFIG_ARC_SERIAL) += serial_arc.o
obj-$(CONFIG_TEGRA_SERIAL) += serial_tegra.o
+obj-$(CONFIG_OMAP_SERIAL) += serial_omap.o
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_USB_TTY) += usbtty.o
diff --git a/drivers/serial/serial_omap.c b/drivers/serial/serial_omap.c
new file mode 100644
index 0000000..6866b21
--- /dev/null
+++ b/drivers/serial/serial_omap.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <ns16550.h>
+#include <serial.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_OF_CONTROL
+static const struct udevice_id omap_serial_ids[] = {
+ { .compatible = "ti,omap3-uart" },
+ { }
+};
+
+static int omap_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 = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency", -1);
+ plat->reg_shift = 2;
+
+ return 0;
+}
+#endif
+
+U_BOOT_DRIVER(serial_omap_ns16550) = {
+ .name = "serial_omap",
+ .id = UCLASS_SERIAL,
+#ifdef CONFIG_OF_CONTROL
+ .of_match = omap_serial_ids,
+ .ofdata_to_platdata = omap_serial_ofdata_to_platdata,
+#endif
+ .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
+ .priv_auto_alloc_size = sizeof(struct NS16550),
+ .probe = ns16550_serial_probe,
+ .ops = &ns16550_serial_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
--
2.1.0.rc2.206.gedb03e5
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