This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang <hl@xxxxxxxxxxxxxx>
Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
Changes in v10:
- None
Changes in v9:
- reorder compatible and reg
Changes in v8:
- delete a unuse blank line
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 | 19 +++++++++++++++++++
1 file changed, 19 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..f223313
--- /dev/null
+++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
@@ -0,0 +1,19 @@
+
+* 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 {
+ compatible = "rockchip,rk3399-dfi";
+ reg = <0x00 0xff630000 0x00 0x4000>;
+ rockchip,pmu = <&pmugrf>;
+ clocks = <&cru PCLK_DDR_MON>;
+ clock-names = "pclk_ddr_mon";
+ status = "disabled";
+ };
--
2.6.6
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