Re: [U-Boot] [PATCH] test: regmap: test Linux-compatible syscon_node_to_regmap()

[Simon Glass]

On 22 April 2018 at 22:26, Masahiro Yamada 
wrote:
> Like Linux, syscon_node_to_regmap() allows a node to work as a syscon
> provider without binding it to a syscon driver.  Test this.
>
> Requested-by: Simon Glass 
> Signed-off-by: Masahiro Yamada 
> ---
>
>  arch/sandbox/dts/test.dts |  8 
>  test/dm/regmap.c  | 17 +
>  2 files changed, 25 insertions(+)

Reviewed-by: Simon Glass 
___
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot

[U-Boot] [PATCH] test: regmap: test Linux-compatible syscon_node_to_regmap()

[Masahiro Yamada]

Like Linux, syscon_node_to_regmap() allows a node to work as a syscon
provider without binding it to a syscon driver.  Test this.

Requested-by: Simon Glass 
Signed-off-by: Masahiro Yamada 
---

 arch/sandbox/dts/test.dts |  8 
 test/dm/regmap.c  | 17 +
 2 files changed, 25 insertions(+)

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 06d0e8c..3c25cb7 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -393,6 +393,14 @@
0x38 8>;
};
 
+   syscon@2 {
+   compatible = "simple-mfd", "syscon";
+   reg = <0x40 5
+   0x48 6
+   0x50 7
+   0x58 8>;
+   };
+
timer {
compatible = "sandbox,timer";
clock-frequency = <100>;
diff --git a/test/dm/regmap.c b/test/dm/regmap.c
index 8125345..698a013 100644
--- a/test/dm/regmap.c
+++ b/test/dm/regmap.c
@@ -20,6 +20,7 @@ static int dm_test_regmap_base(struct unit_test_state *uts)
 {
struct udevice *dev;
struct regmap *map;
+   ofnode node;
int i;
 
ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, ));
@@ -48,6 +49,22 @@ static int dm_test_regmap_base(struct unit_test_state *uts)
map = syscon_get_regmap(dev);
ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map);
 
+   /* A different device can be a syscon by using Linux-compat API */
+   node = ofnode_path("/syscon@2");
+   ut_assert(ofnode_valid(node));
+
+   map = syscon_node_to_regmap(node);
+   ut_assertok_ptr(map);
+   ut_asserteq(4, map->range_count);
+   ut_asserteq(0x40, map->ranges[0].start);
+   for (i = 0; i < 4; i++) {
+   const unsigned long addr = 0x40 + 8 * i;
+
+   ut_asserteq(addr, map->ranges[i].start);
+   ut_asserteq(5 + i, map->ranges[i].size);
+   ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
+   }
+
return 0;
 }
 DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
-- 
2.7.4

___
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot