[v3,1/2] dt-bindings: Document the hi3660 reset bindings

Message ID 1480989092-31847-2-git-send-email-zhangfei.gao@linaro.org
State New
Headers show

Commit Message

zhangfei Dec. 6, 2016, 1:51 a.m.
Add DT bindings documentation for hi3660 SoC reset controller.

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>

---
 .../bindings/reset/hisilicon,hi3660-reset.txt      | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi3660-reset.txt

-- 
2.7.4


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diff --git a/Documentation/devicetree/bindings/reset/hisilicon,hi3660-reset.txt b/Documentation/devicetree/bindings/reset/hisilicon,hi3660-reset.txt
new file mode 100644
index 0000000..178e478
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/hisilicon,hi3660-reset.txt
@@ -0,0 +1,36 @@ 
+Hisilicon System Reset Controller
+======================================
+
+Please also refer to reset.txt in this directory for common reset
+controller binding usage.
+
+The reset controller registers are part of the system-ctl block on
+hi3660 SoC.
+
+Required properties:
+- compatible: should be
+		 "hisilicon,hi3660-reset"
+- #reset-cells: 2, see below
+- hisi,rst-syscon: phandle of the reset's syscon.
+
+Example:
+	iomcu: iomcu@ffd7e000 {
+		compatible = "hisilicon,hi3660-iomcu", "syscon";
+		reg = <0x0 0xffd7e000 0x0 0x1000>;
+	};
+
+	iomcu_rst: iomcu_rst_controller {
+		compatible = "hisilicon,hi3660-reset";
+		hisi,rst-syscon = <&iomcu>;
+		#reset-cells = <2>;
+	};
+
+Specifying reset lines connected to IP modules
+==============================================
+example:
+
+        i2c0: i2c@..... {
+                ...
+		resets = <&iomcu_rst 0x20 3>; /* offset: 0x20; bit: 3 */
+                ...
+        };