[PATCH v7 4/8] Documentation: bindings: add dt documentation for dfi controller

Lin Huang
2016-08-22T03:38:27Z

This patch adds the documentation for rockchip dfi devfreq-event driver.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v7:
-None

Changes in v6:
-None

Changes in v5:
-None

Changes in v4:
-None

Changes in v3:
-None

Changes in v2:
-None

Changes in v1:
-None
.../bindings/devfreq/event/rockchip-dfi.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt

diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
new file mode 100644
index 0000000..bf42255
--- /dev/null
+++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
@@ -0,0 +1,20 @@
+
+* Rockchip rk3399 DFI device
+
+Required properties:
+- compatible: Must be "rockchip,rk3399-dfi".
+- reg: physical base address of each DFI and length of memory mapped region
+- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
+- clocks: phandles for clock specified in "clock-names" property
+- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
+
+Example:
+ dfi: dfi@0xff630000 {
+ reg = <0x00 0xff630000 0x00 0x4000>;
+ compatible = "rockchip,rk3399-dfi";
+ rockchip,pmu = <&pmugrf>;
+ clocks = <&cru PCLK_DDR_MON>;
+ clock-names = "pclk_ddr_mon";
+ status = "disabled";
+ };
+
--
2.6.6