mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-11-04 05:50:17 +00:00 
			
		
		
		
	Change the function syscon_regmap_lookup_by_phandle()
introduced by commit 6c3af1f24e4b ("syscon: dm: Add a
new method to get a regmap from DTS") to have
Linux-compatible syscon API.
Same modification than commit e151a1c288bd ("syscon: add
Linux-compatible syscon API") solves issue when the node
identified by the phandle has several compatibles and is
already bound to a dedicated driver.
See Linux commit bdb0066df96e ("mfd: syscon: Decouple syscon
interface from platform devices").
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
		
	
			
		
			
				
	
	
		
			82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
 | 
						|
/*
 | 
						|
 * Copyright (C) 2015 Google, Inc
 | 
						|
 */
 | 
						|
 | 
						|
#include <common.h>
 | 
						|
#include <dm.h>
 | 
						|
#include <syscon.h>
 | 
						|
#include <regmap.h>
 | 
						|
#include <asm/test.h>
 | 
						|
#include <dm/test.h>
 | 
						|
#include <test/ut.h>
 | 
						|
 | 
						|
/* Base test of system controllers */
 | 
						|
static int dm_test_syscon_base(struct unit_test_state *uts)
 | 
						|
{
 | 
						|
	struct udevice *dev;
 | 
						|
 | 
						|
	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
 | 
						|
	ut_asserteq(SYSCON0, dev->driver_data);
 | 
						|
 | 
						|
	ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
 | 
						|
	ut_asserteq(SYSCON1, dev->driver_data);
 | 
						|
 | 
						|
	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 | 
						|
 | 
						|
/* Test system controller finding */
 | 
						|
static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
 | 
						|
{
 | 
						|
	struct udevice *dev;
 | 
						|
 | 
						|
	ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
 | 
						|
	ut_asserteq(SYSCON0, dev->driver_data);
 | 
						|
 | 
						|
	ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
 | 
						|
	ut_asserteq(SYSCON1, dev->driver_data);
 | 
						|
 | 
						|
	ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 | 
						|
 | 
						|
/* Test system controller by phandle */
 | 
						|
static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
 | 
						|
{
 | 
						|
	struct udevice *dev;
 | 
						|
	struct regmap *map;
 | 
						|
 | 
						|
	ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
 | 
						|
					      &dev));
 | 
						|
 | 
						|
	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
 | 
						|
	map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
 | 
						|
	ut_assert(map);
 | 
						|
	ut_assert(!IS_ERR(map));
 | 
						|
	ut_asserteq(1, map->range_count);
 | 
						|
 | 
						|
	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
 | 
						|
							"second-sys-ctrl"));
 | 
						|
	map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
 | 
						|
	ut_assert(map);
 | 
						|
	ut_assert(!IS_ERR(map));
 | 
						|
	ut_asserteq(4, map->range_count);
 | 
						|
 | 
						|
	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
 | 
						|
							"third-syscon"));
 | 
						|
	map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
 | 
						|
	ut_assert(map);
 | 
						|
	ut_assert(!IS_ERR(map));
 | 
						|
	ut_asserteq(4, map->range_count);
 | 
						|
 | 
						|
	ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 |