mirror of
https://github.com/torvalds/linux.git
synced 2024-12-23 19:31:53 +00:00
b79df1ec22
Add SDM845 AOSS (always on subsystem) reset controller binding Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
53 lines
1.1 KiB
Plaintext
53 lines
1.1 KiB
Plaintext
Qualcomm AOSS Reset Controller
|
|
======================================
|
|
|
|
This binding describes a reset-controller found on AOSS-CC (always on subsystem)
|
|
for Qualcomm SDM845 SoCs.
|
|
|
|
Required properties:
|
|
- compatible:
|
|
Usage: required
|
|
Value type: <string>
|
|
Definition: must be:
|
|
"qcom,sdm845-aoss-cc"
|
|
|
|
- reg:
|
|
Usage: required
|
|
Value type: <prop-encoded-array>
|
|
Definition: must specify the base address and size of the register
|
|
space.
|
|
|
|
- #reset-cells:
|
|
Usage: required
|
|
Value type: <uint>
|
|
Definition: must be 1; cell entry represents the reset index.
|
|
|
|
Example:
|
|
|
|
aoss_reset: reset-controller@c2a0000 {
|
|
compatible = "qcom,sdm845-aoss-cc";
|
|
reg = <0xc2a0000 0x31000>;
|
|
#reset-cells = <1>;
|
|
};
|
|
|
|
Specifying reset lines connected to IP modules
|
|
==============================================
|
|
|
|
Device nodes that need access to reset lines should
|
|
specify them as a reset phandle in their corresponding node as
|
|
specified in reset.txt.
|
|
|
|
For list of all valid reset indicies see
|
|
<dt-bindings/reset/qcom,sdm845-aoss.h>
|
|
|
|
Example:
|
|
|
|
modem-pil@4080000 {
|
|
...
|
|
|
|
resets = <&aoss_reset AOSS_CC_MSS_RESTART>;
|
|
reset-names = "mss_restart";
|
|
|
|
...
|
|
};
|