The syscon string was introduced because the mt7621 clock driver needs to
read some registers creating a regmap from the syscon. The bindings were
added before the clock driver was properly mainlined and at first the clock
driver was using ralink architecture dependent operations rt_memc_* defined
in 'arch/mips/include/asm/mach-ralink/ralink_regs.h'.
This string is already there on the memory controller node on mt7621.dtsi.
Add syscon as a constant string on the compatible property, now that memc
became a syscon. Update the example accordingly.
Fixes: 5278e4a181ff ("dt-bindings: memory: add binding for Mediatek's MT7621 SDRAM memory controller")
Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
Acked-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
---
.../bindings/memory-controllers/mediatek,mt7621-memc.yaml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,mt7621-memc.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,mt7621-memc.yaml
index 85e02854f083..6ccdaf99c778 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,mt7621-memc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,mt7621-memc.yaml
@@ -11,7 +11,9 @@ maintainers:
properties:
compatible:
- const: mediatek,mt7621-memc
+ items:
+ - const: mediatek,mt7621-memc
+ - const: syscon
reg:
maxItems: 1
@@ -25,6 +27,6 @@ additionalProperties: false
examples:
- |
memory-controller@5000 {
- compatible = "mediatek,mt7621-memc";
+ compatible = "mediatek,mt7621-memc", "syscon";
reg = <0x5000 0x1000>;
};
--
2.34.1
