Some Samsung Exynos boards using the arm64 architecture have DW MMC
controllers configured for a 32-bit data bus but a 64-bit FIFO. On these
systems the 64-bit FIFO registers must be accessed in two 32-bit halves.
Add two new compatible strings, "samsung,exynos78xx-dw-mshc" and
"samsung,exynos78xx-dw-mshc-smu" respectively, to denote exynos78xx
boards that need this quirk. But it's very possible that all
"samsung,exynos7-dw-mshc" boards are actually affected.
---
.../devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml
index fdaa18481..a72a67792 100644
--- a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml
+++ b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml
@@ -22,6 +22,8 @@ properties:
- samsung,exynos5420-dw-mshc-smu
- samsung,exynos7-dw-mshc
- samsung,exynos7-dw-mshc-smu
+ - samsung,exynos78xx-dw-mshc
+ - samsung,exynos78xx-dw-mshc-smu
- axis,artpec8-dw-mshc
reg:
--
2.38.3
