This property contains a phandle to the EMC driver that is needed by the
EMC clock to request the EMC driver to do its part of the clock change
sequence.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
index 2197ffd..a7000db 100644
--- a/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
+++ b/Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt
@@ -18,6 +18,7 @@ Required properties :
- #reset-cells : Should be 1.
In clock consumers, this cell represents the bit number in the CAR's
array of CLK_RST_CONTROLLER_RST_DEVICES_* registers.
+- nvidia,external-memory-controller : phandle of the EMC driver.
The node should contain a "emc-timings" subnode for each supported RAM type (see
field RAM_CODE in register PMC_STRAPPING_OPT_A).
@@ -48,6 +49,7 @@ Example SoC include file:
reg = <0x60006000 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ nvidia,external-memory-controller = <&emc>;
};
usb@c5004000 {
--
1.9.3
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