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authorAlex Elder <elder@linaro.org>2022-02-01 09:02:04 -0600
committerJakub Kicinski <kuba@kernel.org>2022-02-03 08:03:20 -0800
commitac62a0174d62ae0f4447c0c8cf35a8e5d793df56 (patch)
treec468be219e0bf1d91df1050421768451b0b1293a
parent4a81f6da9cb2d1ef911131a6fd8bd15cb61fc772 (diff)
dt-bindings: net: qcom,ipa: add optional qcom,qmp property
For some systems, the IPA driver must make a request to ensure that its registers are retained across power collapse of the IPA hardware. On such systems, we'll use the existence of the "qcom,qmp" property as a signal that this request is required. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/net/qcom,ipa.yaml6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
index b86edf67ce62..58ecc62adfaa 100644
--- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
@@ -107,6 +107,10 @@ properties:
- const: imem
- const: config
+ qcom,qmp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to the AOSS side-channel message RAM
+
qcom,smem-states:
$ref: /schemas/types.yaml#/definitions/phandle-array
description: State bits used in by the AP to signal the modem.
@@ -222,6 +226,8 @@ examples:
"imem",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",