[U-Boot] [PATCH 3/9] serial: pl01x: expose skip_init platdata option in DT
Fabian Vogt
fvogt at suse.com
Mon Sep 26 14:26:45 CEST 2016
To be able to represent the skip-init platdata element with OF_CONTROL,
it needs to be read from the device tree as well and put into the platform data.
Cc: Eric Anholt <eric at anholt.net>
Signed-off-by: Fabian Vogt <fvogt at suse.com>
---
doc/device-tree-bindings/serial/pl01x.txt | 3 +++
drivers/serial/serial_pl01x.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/doc/device-tree-bindings/serial/pl01x.txt b/doc/device-tree-bindings/serial/pl01x.txt
index 61c27d1..017b1e2 100644
--- a/doc/device-tree-bindings/serial/pl01x.txt
+++ b/doc/device-tree-bindings/serial/pl01x.txt
@@ -5,3 +5,6 @@ Required properties:
- reg: exactly one register range with length 0x1000
- clock: input clock frequency for the UART (used to calculate the baud
rate divisor)
+
+Optional properties:
+- skip-init: if present, the baud rate divisor is not changed
diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c
index 6f83835..a8d3d67 100644
--- a/drivers/serial/serial_pl01x.c
+++ b/drivers/serial/serial_pl01x.c
@@ -356,6 +356,8 @@ static int pl01x_serial_ofdata_to_platdata(struct udevice *dev)
plat->base = addr;
plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "clock", 1);
plat->type = dev_get_driver_data(dev);
+ plat->skip_init = fdtdec_get_bool(gd->fdt_blob, dev->of_offset,
+ "skip-init");
return 0;
}
#endif
--
2.6.2
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