dt-bindings: mmc: sdhci-of-dwcmhsc: Add rockchip support

This patch adds rockchip support in sdhci-of-dwcmhsc.yaml Signed-off-by: Shawn Lin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
josf · Mar 30, 2021 · dd12261 · dd12261
1 parent 169162c
commit dd12261
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
@@ -16,6 +16,7 @@ allOf:
 properties:
   compatible:
     enum:
+      - rockchip,rk3568-dwcmshc
       - snps,dwcmshc-sdhci
 
   reg:
@@ -31,12 +32,24 @@ properties:
     items:
       - description: core clock
       - description: bus clock for optional
+      - description: axi clock for rockchip specified
+      - description: block clock for rockchip specified
+      - description: timer clock for rockchip specified
+
 
   clock-names:
     minItems: 1
     items:
       - const: core
       - const: bus
+      - const: axi
+      - const: block
+      - const: timer
+
+  rockchip,txclk-tapnum:
+    description: Specify the number of delay for tx sampling.
+    $ref: /schemas/types.yaml#/definitions/uint8
+
 
 required:
   - compatible
@@ -48,6 +61,17 @@ required:
 unevaluatedProperties: false
 
 examples:
+  - |
+    mmc@fe310000 {
+      compatible = "rockchip,rk3568-dwcmshc";
+      reg = <0xfe310000 0x10000>;
+      interrupts = <0 25 0x4>;
+      clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
+      clock-names = "core", "bus", "axi", "block", "timer";
+      bus-width = <8>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+    };
   - |
     mmc@aa0000 {
       compatible = "snps,dwcmshc-sdhci";