syscon: dm: Add a new method to get a regmap from DTS
syscon_regmap_lookup_by_phandle() can be used to get the regmap of a syscon
device from a reference in the DTS. It operates similarly to the linux
version of the namesake function.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 6722e18..515acbb 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -460,6 +460,8 @@
test4 {
compatible = "denx,u-boot-probe-test";
+ first-syscon = <&syscon0>;
+ second-sys-ctrl = <&another_system_controller>;
};
};
@@ -540,12 +542,12 @@
};
};
- syscon@0 {
+ syscon0: syscon@0 {
compatible = "sandbox,syscon0";
reg = <0x10 16>;
};
- syscon@1 {
+ another_system_controller: syscon@1 {
compatible = "sandbox,syscon1";
reg = <0x20 5
0x28 6