From: Chris Zhong <zyw@xxxxxxxxxxxxxx>
The pmu-sram is used to store resume code, suspend/resume need get the
address of it. Therefore add a node and documentation for it.
Signed-off-by: Tony Xie <xxx@xxxxxxxxxxxxxx>
Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/arm/rockchip/pmu-sram.txt | 15 +++++++++++++++
1 file changed, 15 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt
diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt b/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt
new file mode 100644
index 0000000..7a134cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt
@@ -0,0 +1,15 @@
+Rockchip SRAM for pmu:
+------------------------------
+
+The sram of pmu is used to store the function of resume from maskrom(the 1st
+level loader).
+
+Required node properties:
+- compatible : should be "rockchip,rk3288-pmu-sram"
+- reg : physical base address and the size of the registers window
+
+Example:
+ pmu_intmem@ff720000 {
+ compatible = "mmio-sram", "rockchip,rk3288-pmu-sram";
+ reg = <0xff720000 0x4000>;
+ };
--
1.7.9.5
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