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9 commits

Author SHA1 Message Date
Kumar Gala c49b162214 drivers: uart: Convert drivers to new DT device macros 
Convert uart drivers from:

	DEVICE_AND_API_INIT -> DEVICE_DT_INST_DEFINE
	DEVICE_GET -> DEVICE_DT_INST_GET
	DEVICE_DECLARE -> DEVICE_DT_INST_DECLARE

etc..

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
 2020-12-15 15:28:49 -06:00
Jordan Yates 1d0acd2bb8 drivers: serial: uart_rtt async support 
Add support for `CONFIG_UART_ASYNC_API` to the uart_rtt driver.
As RTT provides no mechanism for knowing when new data has arrived,
the reception commands all return errors.

This fixes hard faults when asynchronous calls are made on the uart_rtt
driver, in addition to providing a small level of functionality.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
 2020-09-03 21:51:28 +02:00
Jordan Yates 3e33d73381 drivers: serial: uart_rtt converted to devicetree 
Instantiate RTT UART instances from devicetree nodes instead of from
Kconfig symbols. While RTT is implemented using software, not hardware,
it is emulating a hardware device, and thus should be configured through
devicetree. This allows the simulated UART device to be selected via
devicetree aliases and chosen nodes.

The following devicetree snippet will instantiate RTT channels 0 and 2
as UART devices.
```
/ {
	rtt0: rtt_terminal {
		compatible = "segger,rtt-uart";
		label = "rtt_terminal";
		status = "okay";
	};

	rtt2: rtt_secondary {
		compatible = "segger,rtt-uart";
		label = "rtt_app_specific";
		status = "okay";
	};
};
```

Fixes the RTT portion of #10621.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
 2020-09-03 21:51:28 +02:00
Tomasz Bursztyka e18fcbba5a device: Const-ify all device driver instance pointers 
Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.

A coccinelle rule is used for this:

@r_const_dev_1
  disable optional_qualifier
@
@@
-struct device *
+const struct device *

@r_const_dev_2
 disable optional_qualifier
@
@@
-struct device * const
+const struct device *

Fixes #27399

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-09-02 13:48:13 +02:00
Tomasz Bursztyka af6140cc0d device: Apply config_info rename everywhere 
Via coccinelle:

@r_device_config@
struct device *D;
@@

D->
-	config_info
+	config

And 2 grep/sed rules for macros:

git grep -rlz 'dev)->config_info' |
	xargs -0 sed -i 's/dev)->config_info/dev)->config/g'

git grep -rlz 'dev->config_info' |
	xargs -0 sed -i 's/dev->config_info/dev->config/g'

Fixes #27397

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-08-11 19:30:53 +02:00
Kumar Gala a1b77fd589 zephyr: replace zephyr integer types with C99 types 
git grep -l 'u\(8\|16\|32\|64\)_t' | \
		xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g"
	git grep -l 's\(8\|16\|32\|64\)_t' | \
		xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g"

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
 2020-06-08 08:23:57 -05:00
Tomasz Bursztyka 97326c0445 device: Fix structure attributes access 
Since struct devconfig was merged earlier into struct device, let's fix
accessing config_info, name, ... attributes everywhere via:

grep -rlZ 'dev->config->' | xargs -0 sed -i 's/dev->config->/dev->/g'

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
 2020-05-08 23:07:44 +02:00
Pawel Dunaj 6d911b8f2c drivers: uart_rtt: Handle PM callback properly 
All drivers must have power management callbacks specified.

Signed-off-by: Pawel Dunaj <pawel.dunaj@nordicsemi.no>
 2019-12-18 12:10:19 +01:00
Pavel Kral b7db90da43 drivers: serial: uart_rtt: Virtual UARTs over RTT channels 
Add support for virtual UART device that uses Segger RTT channels
for data transfers. Due to the RTT principle, this driver supports
only polling API.

Signed-off-by: Pavel Kral <pavel.kral@omsquare.com>
 2019-07-31 17:23:57 +02:00