Without this patch (and with CONFIG_QCOM_ADSP_PIL), I get this error:
[ 0.711529] qcom_adsp_pil adsp-pil: failed to get xo clock
[ 0.711540] remoteproc remoteproc0: releasing adsp-pil
With this patch, adsp-pil can initialize correctly.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
---
NOTE: I don't know if I actually chose the right clock source.
Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt
suggests that adsp-pil's xo should be controlled by the RPM
processor; Existing devicetrees and a recent patch to msm8996.dtsi
use &xo_board, though:
https://www.spinics.net/lists/linux-arm-msm/msg25711.html
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index d3e1a61b8671..cccd8cba8872 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -250,6 +250,9 @@
cx-supply = <&pm8841_s2>;
+ clocks = <&xo_board>;
+ clock-names = "xo";
+
memory-region = <&adsp_region>;
qcom,smem-states = <&adsp_smp2p_out 0>;
--
2.11.0
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