dt-bindings: rockchip-scr: add rockchip SOC smart card reader controller.

Change-Id: I735c86c164eef2ea119818abe8afa0dd8ee5647a
Signed-off-by: Aiyoujun <ayj@rock-chips.com>

diff --git a/Documentation/devicetree/bindings/misc/rockchip-scr.txt b/Documentation/devicetree/bindings/misc/rockchip-scr.txt
new file mode 100644 (file)
index 0000000..d3b4159
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/rockchip-scr.txt
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+* Rockchip Smartcard Reader Controller driver.
+
+Required properties:
+- compatible: should be "rockchip-scr"
+       support smart card reader controller for SoC
+       such as RK3128, RK322x, RK3288, RK3368, RK3366 and etc.
+- reg: Should contain SCR registers location and length
+- interrupts: Should contain SCR interrupt
+
+Example:
+scr: rkscr@20048000 {
+       compatible = "rockchip-scr";
+       reg = <0x20048000 0x4000>;
+       interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+};