summaryrefslogtreecommitdiff
path: root/drivers/serial/serial_rockchip.c
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2015-09-03 18:57:09 (GMT)
committerTom Rini <trini@konsulko.com>2015-09-03 18:57:09 (GMT)
commitc9feb427aba860ebc79f9851a1bb49cc456a2d48 (patch)
tree6a80def1806386e2854d57f740264c6744d96e1d /drivers/serial/serial_rockchip.c
parentda9d8580ff9ce17452ef931072e5799a9df8807f (diff)
parentf2acc55e3d28e96a6fcc060a7081eb4e2ad96350 (diff)
downloadu-boot-fsl-qoriq-c9feb427aba860ebc79f9851a1bb49cc456a2d48.tar.xz
Merge git://git.denx.de/u-boot-rockchip
Diffstat (limited to 'drivers/serial/serial_rockchip.c')
-rw-r--r--drivers/serial/serial_rockchip.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/serial/serial_rockchip.c b/drivers/serial/serial_rockchip.c
new file mode 100644
index 0000000..0e7bbfc
--- /dev/null
+++ b/drivers/serial/serial_rockchip.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <ns16550.h>
+#include <serial.h>
+#include <asm/arch/clock.h>
+
+static const struct udevice_id rockchip_serial_ids[] = {
+ { .compatible = "rockchip,rk3288-uart" },
+ { }
+};
+
+static int rockchip_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;
+
+ /* Do all Rockchip parts use 24MHz? */
+ plat->clock = 24 * 1000000;
+
+ return 0;
+}
+
+U_BOOT_DRIVER(serial_ns16550) = {
+ .name = "serial_rockchip",
+ .id = UCLASS_SERIAL,
+ .of_match = rockchip_serial_ids,
+ .ofdata_to_platdata = rockchip_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,
+ .flags = DM_FLAG_PRE_RELOC,
+};