dt-bindings: mediatek: add descriptions for larbid

This patch add larbid descritptions for mediatek's gen1 smi larb hardware.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
index 21277a56e94c7c790656fc9fad7bb3f3e7442da7..ddf46b8856a565da83744c4402ec9ae738e67b9e 100644 (file)
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
@@ -15,6 +15,9 @@ Required properties:
            the register.
   - "smi" : It's the clock for transfer data and command.
 
+Required property for mt2701:
+- mediatek,larb-id :the hardware id of this larb.
+
 Example:
        larb1: larb@16010000 {
                compatible = "mediatek,mt8173-smi-larb";
@@ -25,3 +28,15 @@ Example:
                         <&vdecsys CLK_VDEC_LARB_CKEN>;
                clock-names = "apb", "smi";
        };
+
+Example for mt2701:
+       larb0: larb@14010000 {
+               compatible = "mediatek,mt2701-smi-larb";
+               reg = <0 0x14010000 0 0x1000>;
+               mediatek,smi = <&smi_common>;
+               mediatek,larb-id = <0>;
+               clocks = <&mmsys CLK_MM_SMI_LARB0>,
+                        <&mmsys CLK_MM_SMI_LARB0>;
+               clock-names = "apb", "smi";
+               power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>;
+       };